ci2-android-6-1/strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ci2-android-6-1/syz-executor326205666 <...> static-x86_64: Process 3466 attached [pid 3465] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3464] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 3466] set_robust_list(0x55556c898760, 24 [pid 3465] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3464] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3466] <... set_robust_list resumed>) = 0 [pid 3465] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3464] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 3466] rt_sigprocmask(SIG_SETMASK, [] [pid 3465] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3464] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 3466] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3465] <... symlinkat resumed>) = 0 [pid 3464] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./647/config" [pid 306] rmdir("./599" [pid 3466] chdir("./626" [pid 3465] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3464] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3466] <... chdir resumed>) = 0 [pid 3465] <... unlinkat resumed>) = 0 [pid 3464] exit_group(0 [pid 310] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./600", 0777 [pid 3466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3465] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3464] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 3466] <... prctl resumed>) = 0 [pid 3465] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./647/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3464] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 3467 attached [pid 3466] setpgid(0, 0 [pid 3465] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3467] set_robust_list(0x55556c898760, 24 [pid 3466] <... setpgid resumed>) = 0 [pid 3465] <... exit_group resumed>) = ? [pid 310] getdents64(4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3467 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3467] <... set_robust_list resumed>) = 0 [pid 3466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3465] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3467] rt_sigprocmask(SIG_SETMASK, [] [pid 3466] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3467] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3466] write(3, "1000", 4 [pid 310] close(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3467] chdir("./600" [pid 3466] <... write resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 3467] <... chdir resumed>) = 0 [pid 3466] close(3 [pid 310] rmdir("./647/config" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3466] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3467] <... prctl resumed>) = 0 [pid 3466] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(3 [pid 3467] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3467] <... setpgid resumed>) = 0 [pid 3466] <... symlink resumed>) = 0 [pid 310] close(3 [pid 3467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3466] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 executing program [pid 3466] <... write resumed>) = 18 [pid 310] rmdir("./647" [pid 3467] <... openat resumed>) = 3 [pid 3466] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 3467] write(3, "1000", 4 [pid 310] mkdir("./648", 0777 [pid 3467] <... write resumed>) = 4 [pid 3466] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 3467] close(3 [pid 3466] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3467] <... close resumed>) = 0 [pid 3466] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3467] symlink("/dev/binderfs", "./binderfs" [pid 3466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3468 attached [pid 3467] <... symlink resumed>) = 0 [pid 3466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3468] set_robust_list(0x55556c898760, 24 [pid 3467] write(1, "executing program\n", 18 [pid 3466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3468 [pid 3468] <... set_robust_list resumed>) = 0 [pid 3467] <... write resumed>) = 18 [pid 3466] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3467] mkdirat(AT_FDCWD, "./config", 0777 [pid 3466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3468] rt_sigprocmask(SIG_SETMASK, [] [pid 3466] <... mkdirat resumed>) = 0 [pid 3466] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3468] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3466] <... symlinkat resumed>) = 0 [pid 3466] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3468] chdir("./648" [pid 3467] <... mkdirat resumed>) = 0 [pid 3466] <... unlinkat resumed>) = 0 [pid 3467] mount(NULL, "./config", "configfs", 0, NULL [pid 3466] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3468] <... chdir resumed>) = 0 [pid 3466] <... unlinkat resumed>) = 0 [pid 3468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3466] exit_group(0 [pid 3467] <... mount resumed>) = 0 [pid 3466] <... exit_group resumed>) = ? [pid 3467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3468] setpgid(0, 0) = 0 [pid 3468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3467] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3466] +++ exited with 0 +++ [pid 3467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3467] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3468] write(3, "1000", 4 [pid 3467] <... mkdirat resumed>) = 0 [pid 3468] <... write resumed>) = 4 [pid 3467] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3468] close(3) = 0 [pid 3467] <... symlinkat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3468] symlink("/dev/binderfs", "./binderfs" [pid 3467] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3468] <... symlink resumed>) = 0 [pid 3467] <... unlinkat resumed>) = 0 [pid 3468] write(1, "executing program\n", 18 [pid 3467] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./635", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 308] umount2("./643", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3468] <... write resumed>) = 18 [pid 3467] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3468] mkdirat(AT_FDCWD, "./config", 0777 [pid 3467] exit_group(0 [pid 309] openat(AT_FDCWD, "./635", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./643", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3467] <... exit_group resumed>) = ? [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 3468] <... mkdirat resumed>) = 0 [pid 309] fstat(3 [pid 308] fstat(3 [pid 3468] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3468] <... mount resumed>) = 0 [pid 3467] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 3468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./635/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./643/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 3468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./635/binderfs" [pid 308] newfstatat(AT_FDCWD, "./643/binderfs" [pid 3468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3468] <... mkdirat resumed>) = 0 [pid 309] unlink("./635/binderfs" [pid 308] unlink("./643/binderfs" [pid 306] umount2("./600", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3468] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3468] <... symlinkat resumed>) = 0 [pid 309] umount2("./635/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./643/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./600", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3468] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 3468] <... unlinkat resumed>) = 0 [pid 309] umount2("./635/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./643/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 3468] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3468] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./635/config" [pid 308] newfstatat(AT_FDCWD, "./643/config" [pid 306] getdents64(3 [pid 3468] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3468] <... exit_group resumed>) = ? [pid 309] umount2("./635/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./643/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./600/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3468] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "./635/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./643/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./600/binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... openat resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] fstat(4 [pid 308] fstat(4 [pid 306] unlink("./600/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 306] umount2("./600/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./648", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 306] umount2("./600/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./648", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] close(4 [pid 308] close(4 [pid 306] newfstatat(AT_FDCWD, "./600/config" [pid 310] fstat(3 [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] umount2("./626", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./635/config" [pid 308] rmdir("./643/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./600/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./626", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./600/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./648/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] fstat(3 [pid 306] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 308] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./648/binderfs" [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./635" [pid 308] rmdir("./643" [pid 306] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] unlink("./648/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./626/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./644", 0777 [pid 306] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 309] mkdir("./636", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] newfstatat(AT_FDCWD, "./626/binderfs" [pid 306] rmdir("./600/config" [pid 310] <... umount2 resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 310] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3469 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./626/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./648/config" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./600" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3470 [pid 307] <... unlink resumed>) = 0 [pid 306] mkdir("./601", 0777ci2-android-6-1/strace-static-x86_64: Process 3469 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./626/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3469] set_robust_list(0x55556c898760, 24 [pid 310] openat(AT_FDCWD, "./648/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3471 attached [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3471 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3470 attached [pid 3470] set_robust_list(0x55556c898760, 24) = 0 [pid 3470] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3470] chdir("./636" [pid 310] <... openat resumed>) = 4 [pid 307] umount2("./626/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3470] <... chdir resumed>) = 0 [pid 3470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3470] setpgid(0, 0) = 0 [pid 3470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3470] write(3, "1000", 4) = 4 [pid 3470] close(3) = 0 [pid 3470] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 3469] <... set_robust_list resumed>) = 0 [pid 3470] write(1, "executing program\n", 18) = 18 [pid 3470] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 307] newfstatat(AT_FDCWD, "./626/config" [pid 3471] set_robust_list(0x55556c898760, 24 [pid 3470] <... mkdirat resumed>) = 0 [pid 3469] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3470] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] umount2("./626/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 3471] <... set_robust_list resumed>) = 0 [pid 3470] <... mkdirat resumed>) = 0 [pid 3469] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./626/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3470] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] close(4 [pid 307] <... openat resumed>) = 4 [pid 3470] <... symlinkat resumed>) = 0 [pid 307] fstat(4 [pid 310] <... close resumed>) = 0 [pid 3470] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] rmdir("./648/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3469] chdir("./644" [pid 3470] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] getdents64(4 [pid 3470] exit_group(0) = ? [pid 3471] rt_sigprocmask(SIG_SETMASK, [] [pid 3470] +++ exited with 0 +++ [pid 3469] <... chdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 310] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 3471] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 310] close(3 [pid 307] rmdir("./626/config" [pid 3471] chdir("./601") = 0 [pid 3471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3471] setpgid(0, 0) = 0 [pid 3471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 3471] <... openat resumed>) = 3 [pid 3469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rmdir("./648" [pid 307] getdents64(3 [pid 3471] write(3, "1000", 4) = 4 [pid 3471] close(3) = 0 [pid 3471] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3471] write(1, "executing program\n", 18 [pid 307] close(3 [pid 310] mkdir("./649", 0777 [pid 307] <... close resumed>) = 0 [pid 3471] <... write resumed>) = 18 [pid 3471] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] rmdir("./626" [pid 3471] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rmdir resumed>) = 0 executing program [pid 3471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] mkdir("./627", 0777 [pid 3471] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... mkdir resumed>) = 0 [pid 3471] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3471] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3471] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3471] exit_group(0) = ? [pid 3471] +++ exited with 0 +++ [pid 3469] <... prctl resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3472 ci2-android-6-1/strace-static-x86_64: Process 3472 attached [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3469] setpgid(0, 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3472] set_robust_list(0x55556c898760, 24) = 0 [pid 3472] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3469] <... setpgid resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3473 [pid 3472] chdir("./649") = 0 [pid 3472] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3472] setpgid(0, 0) = 0 [pid 3472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3472] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3472] <... write resumed>) = 4 [pid 3472] close(3) = 0 [pid 3472] symlink("/dev/binderfs", "./binderfs" [pid 3469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3469] <... openat resumed>) = 3 [pid 3472] <... symlink resumed>) = 0 [pid 3472] write(1, "executing program\n", 18) = 18 executing program [pid 3472] mkdirat(AT_FDCWD, "./config", 0777 [pid 3469] write(3, "1000", 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 3469] <... write resumed>) = 4 [pid 3469] close(3 [pid 306] umount2("./601", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3469] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3469] symlink("/dev/binderfs", "./binderfs" [pid 306] openat(AT_FDCWD, "./601", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3 [pid 3472] <... mkdirat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3472] mount(NULL, "./config", "configfs", 0, NULL [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3469] <... symlink resumed>) = 0 [pid 306] umount2("./601/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3469] write(1, "executing program\n", 18 [pid 306] newfstatat(AT_FDCWD, "./601/binderfs" [pid 3472] <... mount resumed>) = 0 executing program [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3469] <... write resumed>) = 18 [pid 306] unlink("./601/binderfs" [pid 3472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./601/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./636", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3469] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./601/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./636", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./601/config" [pid 309] fstat(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./601/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3472] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] openat(AT_FDCWD, "./601/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./636/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 3472] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 3469] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./636/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3472] <... symlinkat resumed>) = 0 [pid 3469] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(4 [pid 309] unlink("./636/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3472] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] getdents64(4 [pid 309] umount2("./636/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3469] <... mount resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 306] close(4 [pid 309] umount2("./636/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 3469] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./601/config" [pid 3469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] newfstatat(AT_FDCWD, "./636/config" [pid 3472] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3469] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(3 [pid 309] umount2("./636/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 309] openat(AT_FDCWD, "./636/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 3472] exit_group(0 [pid 309] <... openat resumed>) = 4 [pid 306] rmdir("./601" [pid 309] fstat(4 [pid 3472] <... exit_group resumed>) = ? [pid 3472] +++ exited with 0 +++ [pid 3469] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3473 attached [pid 3473] set_robust_list(0x55556c898760, 24 [pid 309] getdents64(4 [pid 3469] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] mkdir("./602", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3473] <... set_robust_list resumed>) = 0 [pid 3473] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3473] chdir("./627" [pid 309] getdents64(4 [pid 306] <... mkdir resumed>) = 0 [pid 3469] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3469] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3473] <... chdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3469] <... unlinkat resumed>) = 0 [pid 309] rmdir("./636/config" [pid 3473] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3473] setpgid(0, 0) = 0 [pid 3473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3473] write(3, "1000", 4) = 4 [pid 3473] close(3) = 0 [pid 3473] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3474 [pid 3469] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3473] write(1, "executing program\n", 18 [pid 309] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3473] <... write resumed>) = 18 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./636" [pid 3469] <... unlinkat resumed>) = 0 executing program [pid 3473] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3469] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 3473] mount(NULL, "./config", "configfs", 0, NULL [pid 309] mkdir("./637", 0777 [pid 3469] <... exit_group resumed>) = ? [pid 3473] <... mount resumed>) = 0 [pid 3473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3473] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3473] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... mkdir resumed>) = 0 [pid 3473] <... unlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3473] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3473] <... unlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3473] exit_group(0) = ? [pid 3473] +++ exited with 0 +++ [pid 3469] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3475 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3474 attached [pid 3474] set_robust_list(0x55556c898760, 24 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3474] <... set_robust_list resumed>) = 0 [pid 3474] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] umount2("./649", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3474] chdir("./602") = 0 [pid 3474] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3474] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... restart_syscall resumed>) = 0 [pid 310] openat(AT_FDCWD, "./649", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3474] <... setpgid resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 3474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] fstat(3 [pid 3474] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./627", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3474] write(3, "1000", 4 [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3474] <... write resumed>) = 4 [pid 3474] close(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] openat(AT_FDCWD, "./627", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./649/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3474] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./649/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3474] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 310] unlink("./649/binderfs" [pid 3474] write(1, "executing program\n", 18) = 18 [pid 3474] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program ci2-android-6-1/strace-static-x86_64: Process 3475 attached [pid 3474] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] umount2("./627/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3474] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./627/binderfs" [pid 3474] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./627/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./649/config" [pid 307] <... unlink resumed>) = 0 [pid 3474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./627/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3474] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./649/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./627/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 307] newfstatat(AT_FDCWD, "./627/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3474] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 307] umount2("./627/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3474] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3474] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] openat(AT_FDCWD, "./627/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 3474] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] close(4 [pid 307] fstat(4 [pid 3474] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./649/config" [pid 307] getdents64(4 [pid 3474] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3474] exit_group(0) = ? [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 307] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 3475] set_robust_list(0x55556c898760, 24 [pid 3474] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 307] close(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./649" [pid 307] rmdir("./627/config" [pid 3475] <... set_robust_list resumed>) = 0 [pid 3475] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3475] chdir("./637" [pid 310] mkdir("./650", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 3475] <... chdir resumed>) = 0 [pid 3475] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3475] setpgid(0, 0) = 0 [pid 3475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 3475] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3475] write(3, "1000", 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] close(3 [pid 3475] <... write resumed>) = 4 [pid 3475] close(3) = 0 [pid 3475] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3475] write(1, "executing program\n", 18 [pid 307] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3476 [pid 307] rmdir("./627" [pid 3475] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 3475] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3475] <... mkdirat resumed>) = 0 [pid 307] mkdir("./628", 0777 [pid 3475] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] umount2("./602", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./602", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 3 [pid 3475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] fstat(3 [pid 3475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3475] <... mkdirat resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(3 [pid 3475] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3475] <... symlinkat resumed>) = 0 [pid 306] umount2("./602/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3475] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3475] <... unlinkat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./602/binderfs" [pid 3475] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 3477 attached [pid 3475] <... unlinkat resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3477 [pid 306] unlink("./602/binderfs" [pid 3477] set_robust_list(0x55556c898760, 24 [pid 3475] exit_group(0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... unlink resumed>) = 0 [pid 3475] <... exit_group resumed>) = ? [pid 308] umount2("./644", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./602/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3477] <... set_robust_list resumed>) = 0 [pid 3475] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 308] openat(AT_FDCWD, "./644", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./602/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./602/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 306] umount2("./602/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./644/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./602/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./644/binderfs" [pid 306] fstat(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./644/binderfs" [pid 306] getdents64(4 [pid 308] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./644/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 308] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./644/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 309] umount2("./637", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./644/config" [pid 306] rmdir("./602/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./637", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./644/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 3476 attached [pid 309] fstat(3 [pid 308] openat(AT_FDCWD, "./644/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 3476] set_robust_list(0x55556c898760, 24 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 3476] <... set_robust_list resumed>) = 0 [pid 309] getdents64(3 [pid 308] fstat(4 [pid 306] rmdir("./602" [pid 3477] rt_sigprocmask(SIG_SETMASK, [] [pid 3476] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3476] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./637/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 306] mkdir("./603", 0777 [pid 3477] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3476] chdir("./650" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... mkdir resumed>) = 0 [pid 3476] <... chdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./637/binderfs" [pid 308] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3476] <... prctl resumed>) = 0 [pid 309] unlink("./637/binderfs" [pid 308] close(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3477] chdir("./628" [pid 3476] setpgid(0, 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3478 attached [pid 3476] <... setpgid resumed>) = 0 [pid 309] umount2("./637/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./644/config" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3478 [pid 3478] set_robust_list(0x55556c898760, 24 [pid 3477] <... chdir resumed>) = 0 [pid 3476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3478] <... set_robust_list resumed>) = 0 [pid 3477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3476] <... openat resumed>) = 3 [pid 309] umount2("./637/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3476] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3476] <... write resumed>) = 4 [pid 308] close(3 [pid 3476] close(3 [pid 308] <... close resumed>) = 0 [pid 3476] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./644" [pid 3478] rt_sigprocmask(SIG_SETMASK, [] [pid 3477] <... prctl resumed>) = 0 [pid 3476] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./637/config" [pid 308] <... rmdir resumed>) = 0 [pid 3478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3477] setpgid(0, 0 [pid 3476] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] mkdir("./645", 0777 [pid 3478] chdir("./603" [pid 3477] <... setpgid resumed>) = 0 [pid 3476] write(1, "executing program\n", 18 [pid 309] umount2("./637/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 3476] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 3476] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3478] <... chdir resumed>) = 0 [pid 3477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3476] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3477] <... openat resumed>) = 3 [pid 3476] mount(NULL, "./config", "configfs", 0, NULL [pid 309] openat(AT_FDCWD, "./637/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 3479 attached [pid 3476] <... mount resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3479 [pid 3476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3476] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3477] write(3, "1000", 4 [pid 3476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3478] <... prctl resumed>) = 0 [pid 3477] <... write resumed>) = 4 [pid 3476] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 3479] set_robust_list(0x55556c898760, 24 [pid 3476] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3476] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3477] close(3 [pid 3478] setpgid(0, 0 [pid 3476] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(4 [pid 3479] <... set_robust_list resumed>) = 0 [pid 3478] <... setpgid resumed>) = 0 [pid 3477] <... close resumed>) = 0 [pid 3476] <... unlinkat resumed>) = 0 [pid 3476] exit_group(0) = ? [pid 3479] rt_sigprocmask(SIG_SETMASK, [] [pid 3478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3477] symlink("/dev/binderfs", "./binderfs" [pid 3476] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3479] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3479] chdir("./645") = 0 [pid 3479] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3479] setpgid(0, 0) = 0 [pid 3479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3479] write(3, "1000", 4) = 4 [pid 3477] <... symlink resumed>) = 0 [pid 309] getdents64(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3479] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3477] write(1, "executing program\n", 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3479] <... close resumed>) = 0 [pid 3479] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] getdents64(4 [pid 3477] <... write resumed>) = 18 [pid 3479] write(1, "executing program\n", 18) = 18 executing program executing program [pid 3479] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3479] <... mkdirat resumed>) = 0 [pid 3478] <... openat resumed>) = 3 [pid 3477] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(4 [pid 3479] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... close resumed>) = 0 [pid 3479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3477] <... mkdirat resumed>) = 0 [pid 309] rmdir("./637/config" [pid 3479] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3479] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3479] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3477] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rmdir resumed>) = 0 [pid 3479] <... unlinkat resumed>) = 0 [pid 3479] exit_group(0) = ? [pid 3479] +++ exited with 0 +++ [pid 3478] write(3, "1000", 4 [pid 3477] <... mount resumed>) = 0 [pid 309] getdents64(3 [pid 3478] <... write resumed>) = 4 [pid 3477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3478] close(3) = 0 [pid 3477] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3478] symlink("/dev/binderfs", "./binderfs" [pid 3477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3478] <... symlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 3478] write(1, "executing program\n", 18 [pid 3477] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./637" [pid 3478] <... write resumed>) = 18 executing program [pid 3478] mkdirat(AT_FDCWD, "./config", 0777 [pid 3477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3478] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3478] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3477] <... mkdirat resumed>) = 0 [pid 309] mkdir("./638", 0777 [pid 3478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3477] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3478] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3478] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 3477] <... symlinkat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 3478] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3477] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3478] <... unlinkat resumed>) = 0 [pid 3478] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3477] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3478] <... unlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3477] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3478] exit_group(0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3478] <... exit_group resumed>) = ? [pid 3477] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3478] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3477] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3480 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3477] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 3480 attached [pid 3480] set_robust_list(0x55556c898760, 24) = 0 [pid 3480] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3477] +++ exited with 0 +++ [pid 3480] chdir("./638") = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3480] <... prctl resumed>) = 0 [pid 3480] setpgid(0, 0) = 0 [pid 3480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3480] write(3, "1000", 4) = 4 [pid 3480] close(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./650", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./645", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./650", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./645", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3480] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 308] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 3480] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./650/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./645/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./650/binderfs" [pid 308] newfstatat(AT_FDCWD, "./645/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./650/binderfs" [pid 308] unlink("./645/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 3480] <... symlink resumed>) = 0 [pid 3480] write(1, "executing program\n", 18 [pid 308] <... unlink resumed>) = 0 [pid 310] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./645/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3480] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 executing program [pid 310] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./645/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./650/config" [pid 308] newfstatat(AT_FDCWD, "./645/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./645/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./650/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./645/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 3480] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] fstat(4 [pid 308] <... openat resumed>) = 4 [pid 3480] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(4 [pid 3480] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 308] getdents64(4 [pid 3480] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 308] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 308] close(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rmdir("./645/config" [pid 310] rmdir("./650/config" [pid 3480] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./628", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3480] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 307] openat(AT_FDCWD, "./628", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(3 [pid 310] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] rmdir("./650" [pid 308] <... close resumed>) = 0 [pid 307] fstat(3 [pid 3480] <... symlinkat resumed>) = 0 [pid 3480] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] rmdir("./645" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] mkdir("./651", 0777 [pid 3480] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 3480] exit_group(0) = ? [pid 3480] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 308] mkdir("./646", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./628/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3481 attached [pid 307] newfstatat(AT_FDCWD, "./628/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3482 attached [pid 3481] set_robust_list(0x55556c898760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3481 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3482 [pid 3482] set_robust_list(0x55556c898760, 24 [pid 3481] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3482] <... set_robust_list resumed>) = 0 [pid 3481] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] unlink("./628/binderfs" [pid 3482] rt_sigprocmask(SIG_SETMASK, [] [pid 3481] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3482] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3481] chdir("./651" [pid 307] <... unlink resumed>) = 0 [pid 3482] chdir("./646" [pid 3481] <... chdir resumed>) = 0 [pid 307] umount2("./628/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3482] <... chdir resumed>) = 0 [pid 3481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... umount2 resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3481] <... prctl resumed>) = 0 [pid 307] umount2("./628/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3481] setpgid(0, 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... setpgid resumed>) = 0 [pid 306] umount2("./603", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./628/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3482] <... prctl resumed>) = 0 [pid 3481] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./603", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] write(3, "1000", 4 [pid 307] umount2("./628/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3482] setpgid(0, 0) = 0 [pid 3482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... write resumed>) = 4 [pid 306] <... openat resumed>) = 3 [pid 3481] close(3 [pid 307] openat(AT_FDCWD, "./628/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] <... close resumed>) = 0 [pid 306] fstat(3 [pid 3481] symlink("/dev/binderfs", "./binderfs" [pid 307] <... openat resumed>) = 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(4 [pid 3482] <... openat resumed>) = 3 [pid 3481] <... symlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 3481] write(1, "executing program\n", 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3482] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./603/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3481] <... write resumed>) = 18 [pid 309] umount2("./638", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] openat(AT_FDCWD, "./638", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(4 [pid 306] newfstatat(AT_FDCWD, "./603/binderfs" [pid 309] <... openat resumed>) = 3 [pid 3482] <... write resumed>) = 4 [pid 309] fstat(3 [pid 307] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rmdir("./628/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 3482] close(3) = 0 [pid 3482] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rmdir resumed>) = 0 [pid 306] unlink("./603/binderfs" [pid 309] umount2("./638/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 3482] write(1, "executing program\n", 18) = 18 [pid 306] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./638/binderfs" [pid 306] umount2("./603/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3482] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] unlink("./638/binderfs" [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3481] <... mkdirat resumed>) = 0 executing program executing program [pid 3482] <... mkdirat resumed>) = 0 [pid 3481] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... unlink resumed>) = 0 [pid 307] rmdir("./628" [pid 306] umount2("./603/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3482] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./638/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./638/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./629", 0777 [pid 306] newfstatat(AT_FDCWD, "./603/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./638/config" [pid 3481] <... mount resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./603/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3482] <... mount resumed>) = 0 [pid 3481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3481] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./638/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./603/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 3482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] openat(AT_FDCWD, "./638/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3481] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3483 [pid 306] fstat(4 [pid 3481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... openat resumed>) = 4 [pid 3482] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3481] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3481] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 309] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 309] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3481] <... symlinkat resumed>) = 0 [pid 309] close(4 [pid 306] close(4 [pid 3482] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 3482] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3481] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rmdir("./638/config" [pid 306] <... close resumed>) = 0 [pid 3482] <... unlinkat resumed>) = 0 [pid 3482] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] rmdir("./603/config" [pid 3482] exit_group(0) = ? [pid 309] <... rmdir resumed>) = 0 [pid 3482] +++ exited with 0 +++ [pid 3481] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... rmdir resumed>) = 0 executing program [pid 3481] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 3481] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3481] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 306] close(3 [pid 3481] <... exit_group resumed>) = ? [pid 309] rmdir("./638" [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3483 attached [pid 3483] set_robust_list(0x55556c898760, 24) = 0 [pid 3483] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 306] rmdir("./603" [pid 309] mkdir("./639", 0777 [pid 3483] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3483] chdir("./629") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3483] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3483] setpgid(0, 0) = 0 [pid 3483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 306] mkdir("./604", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3483] <... openat resumed>) = 3 [pid 3483] write(3, "1000", 4) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3483] close(3) = 0 [pid 3483] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3483] write(1, "executing program\n", 18) = 18 [pid 3483] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3484 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... mkdirat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./646", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3485 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./646", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3481] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3483] <... mount resumed>) = 0 [pid 308] getdents64(3 [pid 3483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3483] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./646/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] newfstatat(AT_FDCWD, "./646/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3485 attached [pid 3483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3485] set_robust_list(0x55556c898760, 24 [pid 3483] <... mkdirat resumed>) = 0 [pid 308] unlink("./646/binderfs" [pid 3483] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... unlink resumed>) = 0 [pid 3485] <... set_robust_list resumed>) = 0 [pid 3483] <... symlinkat resumed>) = 0 [pid 308] umount2("./646/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3483] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3483] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./646/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3483] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] rt_sigprocmask(SIG_SETMASK, [] [pid 3483] exit_group(0 [pid 308] newfstatat(AT_FDCWD, "./646/config" [pid 3483] <... exit_group resumed>) = ? [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3485] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3483] +++ exited with 0 +++ [pid 308] umount2("./646/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./646/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 3485] chdir("./604" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./646/config" [pid 3485] <... chdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./646" [pid 3485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./647", 0777 [pid 3485] <... prctl resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3485] setpgid(0, 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... setpgid resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3484 attached [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3486 [pid 3484] set_robust_list(0x55556c898760, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3484] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3484] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3484] chdir("./639") = 0 [pid 3484] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3484] setpgid(0, 0) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] write(3, "1000", 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 3485] <... write resumed>) = 4 [pid 3484] <... openat resumed>) = 3 [pid 3484] write(3, "1000", 4 [pid 3485] close(3 [pid 3484] <... write resumed>) = 4 [pid 307] umount2("./629", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3485] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] close(3 [pid 307] openat(AT_FDCWD, "./629", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] symlink("/dev/binderfs", "./binderfs" [pid 3484] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 3484] symlink("/dev/binderfs", "./binderfs" [pid 307] fstat(3 [pid 3485] <... symlink resumed>) = 0 [pid 3484] <... symlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] write(1, "executing program\n", 18 [pid 3485] write(1, "executing program\n", 18 [pid 307] getdents64(3 [pid 3484] <... write resumed>) = 18 [pid 3485] <... write resumed>) = 18 executing program executing program [pid 3484] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 3486 attached [pid 3485] mkdirat(AT_FDCWD, "./config", 0777 [pid 3484] <... mkdirat resumed>) = 0 [pid 307] umount2("./629/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3484] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... mount resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./629/binderfs" [pid 3484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3484] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] unlink("./629/binderfs" [pid 3485] <... mkdirat resumed>) = 0 [pid 3484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] <... unlink resumed>) = 0 [pid 3484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3485] mount(NULL, "./config", "configfs", 0, NULL [pid 307] umount2("./629/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3485] <... mount resumed>) = 0 [pid 3484] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3484] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./629/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3484] <... symlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] newfstatat(AT_FDCWD, "./629/config" [pid 3485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3484] <... unlinkat resumed>) = 0 [pid 307] umount2("./629/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3484] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] openat(AT_FDCWD, "./629/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... unlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 3484] exit_group(0 [pid 307] fstat(4 [pid 3484] <... exit_group resumed>) = ? [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 3486] set_robust_list(0x55556c898760, 24 [pid 3485] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3484] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3486] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... restart_syscall resumed>) = 0 [pid 307] close(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 3486] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./629/config" [pid 3486] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./651", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3486] chdir("./647") = 0 [pid 3486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./639", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./651", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./639", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 307] rmdir("./629" [pid 3485] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... prctl resumed>) = 0 [pid 3486] setpgid(0, 0) = 0 [pid 3486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 310] umount2("./651/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3485] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./651/binderfs" [pid 307] mkdir("./630", 0777 [pid 309] umount2("./639/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3485] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3486] <... openat resumed>) = 3 [pid 3486] write(3, "1000", 4) = 4 [pid 3486] close(3 [pid 307] <... mkdir resumed>) = 0 [pid 3485] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] unlink("./651/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3486] <... close resumed>) = 0 [pid 3486] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./639/binderfs" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3486] <... symlink resumed>) = 0 [pid 3485] <... unlinkat resumed>) = 0 executing program [pid 310] <... umount2 resumed>) = 0 [pid 309] unlink("./639/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3486] write(1, "executing program\n", 18) = 18 [pid 309] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] newfstatat(AT_FDCWD, "./651/config" [pid 309] umount2("./639/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3485] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3487 [pid 310] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3485] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./639/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./651/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./639/config" [pid 310] fstat(4 [pid 3486] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3486] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 309] umount2("./639/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./639/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 309] <... openat resumed>) = 4 [pid 3486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 309] fstat(4 [pid 310] rmdir("./651/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 3485] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 309] close(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./651" [pid 309] <... close resumed>) = 0 [pid 3486] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3486] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./639/config" [pid 3486] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] mkdir("./652", 0777 [pid 3486] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3486] exit_group(0) = ? [pid 3486] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 3487 attached [pid 3487] set_robust_list(0x55556c898760, 24 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3487] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(3 [pid 3487] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 3487] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3487] chdir("./630") = 0 [pid 3487] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3487] setpgid(0, 0) = 0 [pid 3487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rmdir("./639" [pid 308] umount2("./647", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3488 [pid 3487] <... openat resumed>) = 3 [pid 3487] write(3, "1000", 4) = 4 [pid 3487] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./647", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] mkdir("./640", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 3487] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3487] write(1, "executing program\n", 18 [pid 309] <... mkdir resumed>) = 0 [pid 308] fstat(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3487] <... write resumed>) = 18 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 3487] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3487] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3489 executing program [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./647/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3487] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] newfstatat(AT_FDCWD, "./647/binderfs" [pid 3487] <... symlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3487] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] unlink("./647/binderfs" [pid 3487] <... unlinkat resumed>) = 0 [pid 3487] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3487] exit_group(0 [pid 308] <... unlink resumed>) = 0 [pid 3487] <... exit_group resumed>) = ? [pid 308] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3489 attached [pid 3487] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] newfstatat(AT_FDCWD, "./647/config"ci2-android-6-1/strace-static-x86_64: Process 3488 attached [pid 3488] set_robust_list(0x55556c898760, 24 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3488] <... set_robust_list resumed>) = 0 [pid 308] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3488] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./647/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./604", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(4 [pid 306] openat(AT_FDCWD, "./604", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 308] getdents64(4 [pid 306] fstat(3 [pid 3488] chdir("./652" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 306] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3488] <... chdir resumed>) = 0 [pid 308] close(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./604/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./647/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3488] setpgid(0, 0) = 0 [pid 3488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./604/binderfs" [pid 308] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] unlink("./604/binderfs" [pid 3488] <... openat resumed>) = 3 [pid 308] close(3 [pid 3488] write(3, "1000", 4 [pid 306] <... unlink resumed>) = 0 [pid 3488] <... write resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./604/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./647" [pid 3488] close(3) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3488] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./604/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./648", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3488] write(1, "executing program\n", 18) = 18 executing program [pid 3488] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./604/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3488] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./604/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3488] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./630", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3490 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3488] <... symlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./630", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./604/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3488] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3489] set_robust_list(0x55556c898760, 24 [pid 3488] <... unlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 4 [pid 307] fstat(3 [pid 306] fstat(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3488] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] getdents64(3 [pid 306] getdents64(4 [pid 3488] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./630/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./630/binderfs" [pid 306] close(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 307] unlink("./630/binderfs" [pid 306] rmdir("./604/config" [pid 3488] exit_group(0) = ? [pid 3489] <... set_robust_list resumed>) = 0 [pid 3488] +++ exited with 0 +++ [pid 307] <... unlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3490 attached [pid 307] umount2("./630/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] close(3 [pid 307] umount2("./630/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./604" [pid 307] newfstatat(AT_FDCWD, "./630/config" [pid 3490] set_robust_list(0x55556c898760, 24) = 0 [pid 3490] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] mkdir("./605", 0777 [pid 307] umount2("./630/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3490] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3490] chdir("./648") = 0 [pid 3490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3490] setpgid(0, 0 [pid 306] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./630/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 3490] <... setpgid resumed>) = 0 [pid 3490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3490] write(3, "1000", 4) = 4 [pid 3490] close(3) = 0 [pid 3490] symlink("/dev/binderfs", "./binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3491 [pid 3490] <... symlink resumed>) = 0 [pid 307] getdents64(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./652", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3490] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 3490] <... write resumed>) = 18 [pid 310] openat(AT_FDCWD, "./652", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] close(4 executing program [pid 310] fstat(3 [pid 3490] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 3490] <... mkdirat resumed>) = 0 [pid 3489] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 307] rmdir("./630/config" [pid 3490] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] umount2("./652/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./652/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(3 [pid 3489] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./652/binderfs" [pid 307] <... close resumed>) = 0 [pid 3490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3489] chdir("./640" [pid 310] <... unlink resumed>) = 0 [pid 307] rmdir("./630" [pid 3490] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3490] <... symlinkat resumed>) = 0 [pid 3490] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] mkdir("./631", 0777 [pid 310] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3489] <... chdir resumed>) = 0 [pid 3490] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3490] exit_group(0 [pid 3489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 3490] <... exit_group resumed>) = ? [pid 3489] <... prctl resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./652/config" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 3491 attached [pid 3490] +++ exited with 0 +++ [pid 3489] setpgid(0, 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3489] <... setpgid resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3491] set_robust_list(0x55556c898760, 24) = 0 [pid 3491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3491] chdir("./605") = 0 [pid 3491] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3491] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./652/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3491] <... setpgid resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3492 [pid 3489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] fstat(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 3491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3489] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 3491] <... openat resumed>) = 3 [pid 3489] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3491] write(3, "1000", 4 [pid 310] close(4 [pid 3489] <... write resumed>) = 4 [pid 3491] <... write resumed>) = 4 [pid 3489] close(3 [pid 310] <... close resumed>) = 0 [pid 3491] close(3 [pid 310] rmdir("./652/config" [pid 3491] <... close resumed>) = 0 [pid 3491] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3491] write(1, "executing program\n", 18 [pid 3489] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3491] <... write resumed>) = 18 [pid 3489] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(3 [pid 3491] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 3491] <... mkdirat resumed>) = 0 [pid 3489] <... symlink resumed>) = 0 [pid 310] close(3 [pid 3491] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3489] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 [pid 3491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 310] rmdir("./652" [pid 3489] <... write resumed>) = 18 [pid 3491] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 3491] <... mkdirat resumed>) = 0 [pid 3489] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 310] mkdir("./653", 0777 [pid 3491] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-6-1/strace-static-x86_64: Process 3492 attached [pid 3492] set_robust_list(0x55556c898760, 24) = 0 [pid 3492] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3492] chdir("./631" [pid 310] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3492] <... chdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3492] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3492] setpgid(0, 0) = 0 [pid 3492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3492] write(3, "1000", 4) = 4 [pid 3492] close(3 [pid 308] umount2("./648", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3493 [pid 3491] <... symlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3492] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3491] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./648", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3492] symlink("/dev/binderfs", "./binderfs" [pid 308] <... openat resumed>) = 3 [pid 3491] <... unlinkat resumed>) = 0 [pid 308] fstat(3 [pid 3492] <... symlink resumed>) = 0 [pid 3491] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3489] <... mkdirat resumed>) = 0 [pid 3492] write(1, "executing program\n", 18 [pid 308] getdents64(3 [pid 3492] <... write resumed>) = 18 [pid 3492] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3492] <... mkdirat resumed>) = 0 [pid 3491] <... unlinkat resumed>) = 0 [pid 3489] mount(NULL, "./config", "configfs", 0, NULL [pid 308] umount2("./648/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3493 attached ) = -1 EINVAL (Invalid argument) [pid 3491] exit_group(0 [pid 308] newfstatat(AT_FDCWD, "./648/binderfs" [pid 3493] set_robust_list(0x55556c898760, 24 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3491] <... exit_group resumed>) = ? [pid 3489] <... mount resumed>) = 0 [pid 308] unlink("./648/binderfs" [pid 3493] <... set_robust_list resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 3493] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3493] chdir("./653" [pid 308] <... umount2 resumed>) = 0 [pid 3493] <... chdir resumed>) = 0 [pid 308] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3491] +++ exited with 0 +++ [pid 3489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] newfstatat(AT_FDCWD, "./648/config" [pid 3493] <... prctl resumed>) = 0 [pid 3493] setpgid(0, 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3489] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3492] mount(NULL, "./config", "configfs", 0, NULL [pid 3489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3493] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3489] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./648/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... restart_syscall resumed>) = 0 [pid 3493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... openat resumed>) = 4 [pid 3492] <... mount resumed>) = 0 [pid 308] fstat(4 [pid 3493] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3493] write(3, "1000", 4 [pid 308] getdents64(4 [pid 3492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3489] <... mkdirat resumed>) = 0 [pid 306] umount2("./605", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3489] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3492] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 3493] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./605", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(4 [pid 306] <... openat resumed>) = 3 [pid 3493] close(3 [pid 308] <... close resumed>) = 0 [pid 306] fstat(3 [pid 3492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3489] <... symlinkat resumed>) = 0 [pid 308] rmdir("./648/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3493] <... close resumed>) = 0 [pid 3493] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3489] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 3492] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 3493] write(1, "executing program\n", 18 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./605/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3489] <... unlinkat resumed>) = 0 [pid 308] close(3 [pid 3492] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3489] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3492] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./605/binderfs" [pid 308] rmdir("./648" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3493] <... write resumed>) = 18 executing program [pid 3493] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3492] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3489] <... unlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] unlink("./605/binderfs" [pid 308] mkdir("./649", 0777 [pid 3493] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... unlink resumed>) = 0 [pid 3493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./605/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3492] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3489] exit_group(0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3493] <... mkdirat resumed>) = 0 [pid 3492] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3492] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3489] <... exit_group resumed>) = ? [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./605/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3493] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3493] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3493] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3494 [pid 306] newfstatat(AT_FDCWD, "./605/config" [pid 3493] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./605/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3493] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./605/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3493] +++ exited with 0 +++ [pid 3492] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3489] +++ exited with 0 +++ [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3492] exit_group(0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3492] <... exit_group resumed>) = ? [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3494 attached , 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3494] set_robust_list(0x55556c898760, 24 [pid 306] getdents64(4 [pid 3494] <... set_robust_list resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3494] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(4 [pid 3494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 3494] chdir("./649" [pid 306] rmdir("./605/config" [pid 3494] <... chdir resumed>) = 0 [pid 3494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3494] setpgid(0, 0) = 0 [pid 3494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 3494] <... openat resumed>) = 3 [pid 3492] +++ exited with 0 +++ [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3494] write(3, "1000", 4 [pid 306] <... close resumed>) = 0 [pid 3494] <... write resumed>) = 4 [pid 306] rmdir("./605" [pid 3494] close(3) = 0 [pid 3494] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3494] write(1, "executing program\n", 18 [pid 306] mkdir("./606", 0777 [pid 3494] <... write resumed>) = 18 executing program [pid 3494] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3494] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3494] <... mount resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3494] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3494] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 3494] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3495 [pid 3494] <... unlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./653", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3494] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3494] exit_group(0 [pid 310] openat(AT_FDCWD, "./653", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3494] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 3495 attached [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 3495] set_robust_list(0x55556c898760, 24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3495] <... set_robust_list resumed>) = 0 [pid 3494] +++ exited with 0 +++ [pid 310] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./653/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./653/binderfs" [pid 3495] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./653/binderfs") = 0 [pid 3495] chdir("./606" [pid 310] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3495] <... chdir resumed>) = 0 [pid 3495] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3495] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3495] setpgid(0, 0 [pid 310] newfstatat(AT_FDCWD, "./653/config" [pid 3495] <... setpgid resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./653/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3495] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 3495] write(3, "1000", 4) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3495] close(3 [pid 310] getdents64(4 [pid 3495] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3495] symlink("/dev/binderfs", "./binderfs" [pid 310] close(4) = 0 [pid 310] rmdir("./653/config" [pid 3495] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3495] write(1, "executing program\n", 18) = 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 3495] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(3) = 0 [pid 309] umount2("./640", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./653" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./640", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./654", 0777 [pid 309] <... openat resumed>) = 3 [pid 3495] <... mkdirat resumed>) = 0 [pid 3495] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3495] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./640/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3496 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3495] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./640/binderfs" [pid 3495] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./640/binderfs" [pid 3495] <... symlinkat resumed>) = 0 [pid 3495] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./640/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3495] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 3495] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./640/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3495] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3495] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./640/config" [pid 308] <... restart_syscall resumed>) = 0 [pid 3495] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./640/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3495] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3496 attached [pid 309] openat(AT_FDCWD, "./640/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./649", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] fstat(4 [pid 308] openat(AT_FDCWD, "./649", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 307] umount2("./631", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 3496] set_robust_list(0x55556c898760, 24 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./631", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3496] <... set_robust_list resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] close(4 [pid 307] <... openat resumed>) = 3 [pid 308] umount2("./649/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 307] fstat(3 [pid 309] rmdir("./640/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3496] chdir("./654") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./649/binderfs" [pid 307] getdents64(3 [pid 309] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] unlink("./649/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3496] <... prctl resumed>) = 0 [pid 3496] setpgid(0, 0 [pid 308] <... unlink resumed>) = 0 [pid 307] umount2("./631/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 308] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 3496] <... setpgid resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./631/binderfs" [pid 309] rmdir("./640" [pid 308] <... umount2 resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 3496] <... openat resumed>) = 3 [pid 309] mkdir("./641", 0777 [pid 308] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./631/binderfs" [pid 3496] write(3, "1000", 4) = 4 [pid 3496] close(3) = 0 [pid 3496] symlink("/dev/binderfs", "./binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./631/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./649/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./631/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3496] <... symlink resumed>) = 0 [pid 3496] write(1, "executing program\n", 18) = 18 [pid 3496] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./631/config" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3497 [pid 308] openat(AT_FDCWD, "./649/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3496] <... mkdirat resumed>) = 0 [pid 3496] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... openat resumed>) = 4 [pid 306] umount2("./606", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 307] umount2("./631/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] openat(AT_FDCWD, "./631/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./606", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3496] <... mount resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 308] getdents64(4 [pid 306] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] fstat(4 [pid 308] close(4 [pid 306] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./649/config" [pid 307] getdents64(4 [pid 306] getdents64(3 [pid 3496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 307] getdents64(4 [pid 306] umount2("./606/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 307] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 308] rmdir("./649" [pid 307] rmdir("./631/config" [pid 306] newfstatat(AT_FDCWD, "./606/binderfs" [pid 3496] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3496] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3496] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] mkdir("./650", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] unlink("./606/binderfs" [pid 3496] exit_group(0) = ? [pid 3496] +++ exited with 0 +++ [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3497 attached [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./606/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] close(3 [pid 306] <... umount2 resumed>) = 0 [pid 3497] set_robust_list(0x55556c898760, 24) = 0 [pid 3497] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3497] chdir("./641") = 0 [pid 3497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3497] setpgid(0, 0 [pid 306] umount2("./606/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3498 [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./631" [pid 306] newfstatat(AT_FDCWD, "./606/config" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3497] <... setpgid resumed>) = 0 [pid 3497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 3497] write(3, "1000", 4) = 4 [pid 3497] close(3) = 0 [pid 3497] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] mkdir("./632", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3497] write(1, "executing program\n", 18) = 18 executing program [pid 3497] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./606/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./654", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./606/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./654", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 3497] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(3 [pid 306] fstat(4 [pid 3497] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3499 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 3497] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 3497] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./654/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./654/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(4 [pid 310] unlink("./654/binderfs" [pid 306] <... close resumed>) = 0 [pid 3497] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] rmdir("./606/config" [pid 310] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3497] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 3497] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./654/config" [pid 306] rmdir("./606" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3497] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 3499 attached [pid 3497] +++ exited with 0 +++ [pid 310] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3498 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] mkdir("./607", 0777 [pid 310] openat(AT_FDCWD, "./654/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3498] set_robust_list(0x55556c898760, 24) = 0 [pid 3498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3498] chdir("./650" [pid 306] <... mkdir resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] fstat(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(4 [pid 3498] <... chdir resumed>) = 0 [pid 3498] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3498] setpgid(0, 0) = 0 [pid 3498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3498] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3500 [pid 3498] <... write resumed>) = 4 [pid 310] getdents64(4 [pid 3498] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3498] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 3498] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./654/config" [pid 3498] <... symlink resumed>) = 0 [pid 3498] write(1, "executing program\n", 18) = 18 [pid 3498] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] getdents64(3 [pid 3498] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3498] <... mount resumed>) = 0 executing program [pid 310] close(3 [pid 3498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./641", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./654" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3498] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./641", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./655", 0777 [pid 309] <... openat resumed>) = 3 [pid 3498] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3498] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3498] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3498] exit_group(0) = ? [pid 3498] +++ exited with 0 +++ [pid 3499] set_robust_list(0x55556c898760, 24 [pid 309] umount2("./641/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3501 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./641/binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./641/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3500 attached [pid 3500] set_robust_list(0x55556c898760, 24) = 0 [pid 3500] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3500] chdir("./607" [pid 309] <... unlink resumed>) = 0 [pid 3500] <... chdir resumed>) = 0 [pid 309] umount2("./641/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3500] setpgid(0, 0) = 0 [pid 3500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = 0 [pid 3499] <... set_robust_list resumed>) = 0 [pid 309] umount2("./641/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3501 attached [pid 309] newfstatat(AT_FDCWD, "./641/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3501] set_robust_list(0x55556c898760, 24) = 0 [pid 3501] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./641/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3501] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./641/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3501] chdir("./655" [pid 309] <... openat resumed>) = 4 [pid 3499] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(4 [pid 3501] <... chdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] getdents64(4 [pid 3499] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3501] <... prctl resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3501] setpgid(0, 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3501] <... setpgid resumed>) = 0 [pid 309] close(4 [pid 3499] chdir("./632" [pid 308] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./641/config" [pid 3501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3501] write(3, "1000", 4 [pid 309] <... rmdir resumed>) = 0 [pid 3499] <... chdir resumed>) = 0 [pid 308] umount2("./650", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3500] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 3501] <... write resumed>) = 4 [pid 3501] close(3) = 0 [pid 3501] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3500] write(3, "1000", 4 [pid 3499] <... prctl resumed>) = 0 [pid 309] close(3 [pid 308] openat(AT_FDCWD, "./650", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 3501] write(1, "executing program\n", 18 [pid 309] rmdir("./641" [pid 308] <... openat resumed>) = 3 [pid 3500] <... write resumed>) = 4 [pid 3499] setpgid(0, 0 [pid 3501] <... write resumed>) = 18 executing program [pid 3501] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3500] close(3 [pid 3499] <... setpgid resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 3501] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] mkdir("./642", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3500] <... close resumed>) = 0 [pid 3501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 3500] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./650/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3501] <... mkdirat resumed>) = 0 [pid 3501] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3502 [pid 308] newfstatat(AT_FDCWD, "./650/binderfs" [pid 3501] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] unlink("./650/binderfs" [pid 3501] <... unlinkat resumed>) = 0 [pid 3501] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... unlink resumed>) = 0 [pid 3501] <... unlinkat resumed>) = 0 [pid 3500] <... symlink resumed>) = 0 [pid 3499] <... openat resumed>) = 3 [pid 308] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3501] exit_group(0 [pid 3500] write(1, "executing program\n", 18 [pid 3499] write(3, "1000", 4 [pid 308] <... umount2 resumed>) = 0 [pid 3501] <... exit_group resumed>) = ? executing program [pid 3501] +++ exited with 0 +++ [pid 3500] <... write resumed>) = 18 [pid 3499] <... write resumed>) = 4 [pid 308] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3502 attached [pid 3500] mkdirat(AT_FDCWD, "./config", 0777 [pid 3499] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] newfstatat(AT_FDCWD, "./650/config" [pid 3499] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3499] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3502] set_robust_list(0x55556c898760, 24 [pid 308] openat(AT_FDCWD, "./650/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3502] <... set_robust_list resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 3502] rt_sigprocmask(SIG_SETMASK, [] [pid 3499] <... symlink resumed>) = 0 [pid 308] fstat(4 [pid 3502] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3499] write(1, "executing program\n", 18 [pid 308] getdents64(4 [pid 3502] chdir("./642" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3499] <... write resumed>) = 18 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 3502] <... chdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3499] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 308] rmdir("./650/config" [pid 3500] <... mkdirat resumed>) = 0 [pid 3502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rmdir resumed>) = 0 [pid 3502] <... prctl resumed>) = 0 [pid 3502] setpgid(0, 0) = 0 [pid 308] getdents64(3 [pid 3502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3502] <... openat resumed>) = 3 [pid 3500] mount(NULL, "./config", "configfs", 0, NULL [pid 308] close(3 [pid 3499] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3500] <... mount resumed>) = 0 [pid 3499] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rmdir("./650" [pid 3500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3502] write(3, "1000", 4) = 4 [pid 3502] close(3) = 0 [pid 3502] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 3500] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] mkdir("./651", 0777 [pid 3500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3499] <... mount resumed>) = 0 [pid 3502] <... symlink resumed>) = 0 [pid 3502] write(1, "executing program\n", 18 [pid 308] <... mkdir resumed>) = 0 [pid 3500] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3502] <... write resumed>) = 18 [pid 3500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 3499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3502] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3502] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3503 [pid 3502] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] umount2("./655", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./655", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3500] <... mkdirat resumed>) = 0 [pid 3499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... openat resumed>) = 3 [pid 3502] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 3500] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 3503 attached [pid 3499] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 3500] <... symlinkat resumed>) = 0 [pid 3502] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3502] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 3499] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3500] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3502] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3499] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./655/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3500] <... unlinkat resumed>) = 0 [pid 3502] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3502] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3499] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] newfstatat(AT_FDCWD, "./655/binderfs" [pid 3500] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3503] set_robust_list(0x55556c898760, 24 [pid 310] unlink("./655/binderfs" [pid 3502] <... unlinkat resumed>) = 0 [pid 3499] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3503] <... set_robust_list resumed>) = 0 [pid 3502] exit_group(0 [pid 3500] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3499] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... unlink resumed>) = 0 [pid 3502] <... exit_group resumed>) = ? [pid 3503] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3503] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3503] chdir("./651" [pid 310] <... umount2 resumed>) = 0 [pid 3503] <... chdir resumed>) = 0 [pid 310] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... prctl resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./655/config" [pid 3503] setpgid(0, 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3503] <... setpgid resumed>) = 0 [pid 310] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3502] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3499] exit_group(0 [pid 3500] exit_group(0 executing program [pid 310] openat(AT_FDCWD, "./655/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3499] <... exit_group resumed>) = ? [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] fstat(4 [pid 3503] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3503] write(3, "1000", 4 [pid 310] getdents64(4 [pid 3500] <... exit_group resumed>) = ? [pid 3503] <... write resumed>) = 4 [pid 3503] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3503] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 3503] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3503] <... symlink resumed>) = 0 [pid 310] close(4 [pid 3499] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./655/config" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3503] write(1, "executing program\n", 18) = 18 [pid 3503] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3500] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(3 [pid 3503] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3503] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 3503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rmdir("./655" [pid 3503] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] mkdir("./656", 0777 [pid 3503] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3503] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3503] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] umount2("./632", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3503] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] <... exit_group resumed>) = ? [pid 307] openat(AT_FDCWD, "./632", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3504 [pid 309] umount2("./642", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3503] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./642", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 3504 attached [pid 3504] set_robust_list(0x55556c898760, 24 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3504] <... set_robust_list resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./632/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./642/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./632/binderfs" [pid 309] newfstatat(AT_FDCWD, "./642/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./632/binderfs" [pid 306] <... restart_syscall resumed>) = 0 [pid 309] unlink("./642/binderfs" [pid 3504] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... unlink resumed>) = 0 [pid 3504] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3504] chdir("./656") = 0 [pid 309] <... unlink resumed>) = 0 [pid 3504] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] umount2("./632/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./642/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3504] <... prctl resumed>) = 0 [pid 3504] setpgid(0, 0 [pid 306] umount2("./607", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./642/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./632/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./607", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... setpgid resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./632/config" [pid 306] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./642/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./632/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./642/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 3504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./632/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./642/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 309] fstat(4 [pid 306] umount2("./607/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 3504] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] newfstatat(AT_FDCWD, "./607/binderfs" [pid 309] getdents64(4 [pid 307] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 307] close(4 [pid 306] unlink("./607/binderfs" [pid 309] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 3504] write(3, "1000", 4) = 4 [pid 306] <... unlink resumed>) = 0 [pid 309] rmdir("./642/config" [pid 307] rmdir("./632/config" [pid 306] umount2("./607/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3504] close(3) = 0 [pid 3504] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3504] write(1, "executing program\n", 18) = 18 [pid 307] <... rmdir resumed>) = 0 [pid 3504] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] getdents64(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./607/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 3504] mount(NULL, "./config", "configfs", 0, NULL [pid 307] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./651", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./607/config" [pid 309] rmdir("./642" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./632" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3504] <... mount resumed>) = 0 [pid 3504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 3504] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 309] mkdir("./643", 0777 [pid 308] openat(AT_FDCWD, "./651", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./633", 0777 [pid 306] umount2("./607/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3504] <... mkdirat resumed>) = 0 [pid 3504] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3504] <... symlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./607/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3504] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 308] fstat(3 [pid 306] <... openat resumed>) = 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] fstat(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3504] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3504] exit_group(0) = ? [pid 3504] +++ exited with 0 +++ [pid 308] umount2("./651/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3505 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] newfstatat(AT_FDCWD, "./651/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3506 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] unlink("./651/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 3505 attached [pid 3505] set_robust_list(0x55556c898760, 24 [pid 308] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(4 [pid 308] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 3505] <... set_robust_list resumed>) = 0 [pid 306] rmdir("./607/config" [pid 308] <... umount2 resumed>) = 0 [pid 3505] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3505] chdir("./643" [pid 308] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 3505] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 3505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] newfstatat(AT_FDCWD, "./651/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(3 [pid 308] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./607" [pid 308] openat(AT_FDCWD, "./651/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3505] <... prctl resumed>) = 0 [pid 3505] setpgid(0, 0) = 0 [pid 3505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3506 attached [pid 3505] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 4 [pid 306] mkdir("./608", 0777 [pid 308] fstat(4 [pid 3505] write(3, "1000", 4) = 4 [pid 3505] close(3) = 0 [pid 3505] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3505] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3505] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3505] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] close(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3507 [pid 3505] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./651/config" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3505] <... mount resumed>) = 0 [pid 3505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... restart_syscall resumed>) = 0 executing program [pid 308] <... rmdir resumed>) = 0 [pid 3505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(3 [pid 3505] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./656", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 3505] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./656", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./651" [pid 3505] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 3 [pid 3505] <... symlinkat resumed>) = 0 [pid 3505] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(3 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] mkdir("./652", 0777 [pid 3505] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 3505] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3505] exit_group(0) = ? [pid 308] <... mkdir resumed>) = 0 [pid 3506] set_robust_list(0x55556c898760, 24 [pid 3505] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 3507 attached [pid 310] umount2("./656/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./656/binderfs" [pid 3507] set_robust_list(0x55556c898760, 24) = 0 [pid 3507] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3507] chdir("./608") = 0 [pid 3507] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3507] setpgid(0, 0) = 0 [pid 3507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3508 [pid 310] unlink("./656/binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3507] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3507] write(3, "1000", 4) = 4 [pid 310] <... umount2 resumed>) = 0 [pid 3507] close(3 [pid 310] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3507] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3507] symlink("/dev/binderfs", "./binderfs" [pid 310] newfstatat(AT_FDCWD, "./656/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./656/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 3507] <... symlink resumed>) = 0 [pid 310] fstat(4 [pid 3507] write(1, "executing program\n", 18) = 18 executing program [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3507] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(4 [pid 3507] <... mkdirat resumed>) = 0 [pid 3506] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3507] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(4 [pid 3507] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] close(4 [pid 3507] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 3507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./656/config" [pid 3507] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3507] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 3507] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3507] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] close(3 [pid 3507] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 3507] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./656" [pid 3507] <... unlinkat resumed>) = 0 [pid 3507] exit_group(0) = ? [pid 3507] +++ exited with 0 +++ [pid 3506] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./657", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 3508 attached [pid 3508] set_robust_list(0x55556c898760, 24) = 0 [pid 3508] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 3508] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3508] chdir("./652") = 0 [pid 3508] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3508] setpgid(0, 0) = 0 [pid 3508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3508] write(3, "1000", 4 [pid 309] umount2("./643", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3509 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3508] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./643", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3508] close(3 [pid 309] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 3508] <... close resumed>) = 0 [pid 3508] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./643/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3506] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3508] <... symlink resumed>) = 0 [pid 3506] chdir("./633" [pid 309] newfstatat(AT_FDCWD, "./643/binderfs" [pid 3508] write(1, "executing program\n", 18 [pid 3506] <... chdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3508] <... write resumed>) = 18 [pid 3506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] unlink("./643/binderfs" executing program [pid 3508] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3506] <... prctl resumed>) = 0 [pid 309] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3509 attached [pid 309] umount2("./643/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3506] setpgid(0, 0 [pid 3508] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3506] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 3508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./643/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./643/config" [pid 3508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./643/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3506] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3506] write(3, "1000", 4 [pid 309] openat(AT_FDCWD, "./643/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3508] <... mkdirat resumed>) = 0 [pid 3506] <... write resumed>) = 4 [pid 309] <... openat resumed>) = 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 3509] set_robust_list(0x55556c898760, 24 [pid 3506] close(3 [pid 3508] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3506] <... close resumed>) = 0 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3508] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3506] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(4 [pid 306] umount2("./608", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3508] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 306] openat(AT_FDCWD, "./608", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3508] <... unlinkat resumed>) = 0 [pid 3506] <... symlink resumed>) = 0 [pid 309] close(4 [pid 306] <... openat resumed>) = 3 [pid 3508] exit_group(0 [pid 3506] write(1, "executing program\n", 18 [pid 309] <... close resumed>) = 0 [pid 306] fstat(3 [pid 3508] <... exit_group resumed>) = ? executing program [pid 3509] <... set_robust_list resumed>) = 0 [pid 3508] +++ exited with 0 +++ [pid 3506] <... write resumed>) = 18 [pid 309] rmdir("./643/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3509] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3509] chdir("./657" [pid 309] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 3506] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3509] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./608/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3509] setpgid(0, 0 [pid 309] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3509] <... setpgid resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./608/binderfs" [pid 309] rmdir("./643" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 306] unlink("./608/binderfs" [pid 309] mkdir("./644", 0777 [pid 3509] write(3, "1000", 4) = 4 [pid 306] <... unlink resumed>) = 0 [pid 3509] close(3) = 0 [pid 3509] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] umount2("./608/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3509] write(1, "executing program\n", 18 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = 0 [pid 308] umount2("./652", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3509] <... write resumed>) = 18 [pid 3509] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3510 [pid 306] umount2("./608/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./652", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./608/config" [pid 3506] <... mkdirat resumed>) = 0 [pid 308] fstat(3 [pid 3506] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./608/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3509] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] openat(AT_FDCWD, "./608/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3506] <... mount resumed>) = 0 [pid 308] umount2("./652/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3509] <... mount resumed>) = 0 [pid 3506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] newfstatat(AT_FDCWD, "./652/binderfs" [pid 306] fstat(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./652/binderfs" [pid 306] getdents64(4 [pid 3509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 3509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3509] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 306] getdents64(4 [pid 3506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3509] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 3506] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] newfstatat(AT_FDCWD, "./652/config" [pid 306] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3506] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 306] rmdir("./608/config" [pid 308] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3509] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3509] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3506] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./652/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 3506] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) ci2-android-6-1/strace-static-x86_64: Process 3510 attached [pid 3509] exit_group(0 [pid 308] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3506] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] fstat(4 [pid 306] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 306] rmdir("./608" [pid 3506] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3510] set_robust_list(0x55556c898760, 24 [pid 3509] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3510] <... set_robust_list resumed>) = 0 [pid 3509] +++ exited with 0 +++ [pid 3506] exit_group(0 [pid 308] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 3510] rt_sigprocmask(SIG_SETMASK, [] [pid 3506] <... exit_group resumed>) = ? [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./609", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(4 [pid 3510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3510] chdir("./644") = 0 [pid 3510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3510] setpgid(0, 0) = 0 [pid 3510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3510] write(3, "1000", 4) = 4 [pid 3510] close(3) = 0 [pid 3510] symlink("/dev/binderfs", "./binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 3510] <... symlink resumed>) = 0 [pid 3510] write(1, "executing program\n", 18) = 18 [pid 3510] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./652/config" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3510] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 3510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3506] +++ exited with 0 +++ [pid 308] close(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3511 [pid 308] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 3510] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rmdir("./652" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3510] <... symlinkat resumed>) = 0 [pid 3510] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./653", 0777 [pid 3510] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3510] exit_group(0) = ? [pid 3510] +++ exited with 0 +++ [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3511 attached [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3511] set_robust_list(0x55556c898760, 24) = 0 [pid 3511] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3511] chdir("./609") = 0 [pid 3511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3512 [pid 3511] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3511] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3511] write(3, "1000", 4) = 4 [pid 3511] close(3) = 0 [pid 3511] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3511] write(1, "executing program\n", 18) = 18 executing program [pid 3511] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3511] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3511] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3511] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3511] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3511] exit_group(0) = ? [pid 3511] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3512 attached [pid 3512] set_robust_list(0x55556c898760, 24) = 0 [pid 3512] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3512] chdir("./653") = 0 [pid 3512] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3512] setpgid(0, 0) = 0 [pid 3512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3512] write(3, "1000", 4) = 4 [pid 3512] close(3) = 0 [pid 3512] symlink("/dev/binderfs", "./binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3512] <... symlink resumed>) = 0 [pid 3512] write(1, "executing program\n", 18) = 18 [pid 310] umount2("./657", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./644", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./633", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./657", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./644", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] fstat(3 [pid 307] openat(AT_FDCWD, "./633", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 307] <... openat resumed>) = 3 executing program [pid 309] getdents64(3 [pid 3512] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] fstat(3 [pid 310] umount2("./657/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./644/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./657/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./644/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] unlink("./657/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./609", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./633/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./644/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./633/binderfs" [pid 306] openat(AT_FDCWD, "./609", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./644/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./633/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 306] fstat(3 [pid 307] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./657/config" [pid 309] umount2("./644/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./633/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./644/config" [pid 307] <... umount2 resumed>) = 0 [pid 3512] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./633/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] openat(AT_FDCWD, "./657/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./644/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./609/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./633/config" [pid 310] fstat(4 [pid 309] openat(AT_FDCWD, "./644/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] newfstatat(AT_FDCWD, "./609/binderfs" [pid 310] getdents64(4 [pid 3512] mount(NULL, "./config", "configfs", 0, NULL [pid 309] fstat(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./633/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./609/binderfs" [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3512] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] openat(AT_FDCWD, "./633/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... unlink resumed>) = 0 [pid 310] close(4 [pid 309] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./609/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] fstat(4 [pid 310] rmdir("./657/config" [pid 309] close(4 [pid 306] <... umount2 resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 310] getdents64(3 [pid 306] umount2("./609/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./644/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3512] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] close(3 [pid 307] getdents64(4 [pid 309] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./609/config" [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./657" [pid 309] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(4 [pid 3512] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./609/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./658", 0777 [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./633/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3512] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3512] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./609/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3512] exit_group(0 [pid 307] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./644" [pid 307] getdents64(3 [pid 306] <... openat resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3512] <... exit_group resumed>) = ? [pid 3512] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] fstat(4 [pid 309] mkdir("./645", 0777 [pid 307] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./609/config"ci2-android-6-1/strace-static-x86_64: Process 3513 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3513 [pid 309] <... mkdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rmdir("./633" [pid 306] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 3513] set_robust_list(0x55556c898760, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3513] <... set_robust_list resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] mkdir("./634", 0777 [pid 306] close(3) = 0 [pid 306] rmdir("./609") = 0 [pid 306] mkdir("./610", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3514 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3513] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3513] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3513] chdir("./658" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3515 attached [pid 3513] <... chdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3515 [pid 3515] set_robust_list(0x55556c898760, 24 [pid 3513] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3516 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3515] <... set_robust_list resumed>) = 0 [pid 3513] <... prctl resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3515] rt_sigprocmask(SIG_SETMASK, [] [pid 3513] setpgid(0, 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3513] <... setpgid resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3514 attached [pid 3513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./653", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3515] chdir("./610" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./653", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3515] <... chdir resumed>) = 0 [pid 3513] <... openat resumed>) = 3 [pid 3515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... openat resumed>) = 3 [pid 3513] write(3, "1000", 4 [pid 3515] <... prctl resumed>) = 0 [pid 308] fstat(3 [pid 3515] setpgid(0, 0 [pid 3513] <... write resumed>) = 4 [pid 3515] <... setpgid resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3513] close(3 [pid 308] getdents64(3 [pid 3513] <... close resumed>) = 0 [pid 3515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3513] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./653/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3513] <... symlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./653/binderfs" [pid 3513] write(1, "executing program\n", 18 [pid 3515] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3515] write(3, "1000", 4 [pid 3513] <... write resumed>) = 18 [pid 3515] <... write resumed>) = 4 executing program [pid 308] unlink("./653/binderfs" [pid 3515] close(3 [pid 3514] set_robust_list(0x55556c898760, 24 [pid 3513] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... unlink resumed>) = 0 [pid 3515] <... close resumed>) = 0 [pid 308] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3514] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3515] symlink("/dev/binderfs", "./binderfs" [pid 3514] rt_sigprocmask(SIG_SETMASK, [] [pid 3513] <... mkdirat resumed>) = 0 [pid 308] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3513] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3514] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3513] <... mount resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./653/config" [pid 3515] <... symlink resumed>) = 0 [pid 3513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3515] write(1, "executing program\n", 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3515] <... write resumed>) = 18 [pid 3513] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 308] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3516 attached [pid 3515] mkdirat(AT_FDCWD, "./config", 0777 [pid 3514] chdir("./645" [pid 3513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3516] set_robust_list(0x55556c898760, 24 [pid 308] openat(AT_FDCWD, "./653/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3516] <... set_robust_list resumed>) = 0 [pid 3513] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 4 [pid 3516] rt_sigprocmask(SIG_SETMASK, [] [pid 3514] <... chdir resumed>) = 0 [pid 3513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] fstat(4 [pid 3514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3516] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3513] <... mkdirat resumed>) = 0 [pid 308] getdents64(4 [pid 3513] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3514] <... prctl resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3516] chdir("./634" [pid 3514] setpgid(0, 0 [pid 3513] <... symlinkat resumed>) = 0 [pid 308] getdents64(4 [pid 3516] <... chdir resumed>) = 0 [pid 3515] <... mkdirat resumed>) = 0 [pid 3513] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3515] mount(NULL, "./config", "configfs", 0, NULL [pid 308] close(4 [pid 3516] <... prctl resumed>) = 0 [pid 3513] <... unlinkat resumed>) = 0 [pid 3516] setpgid(0, 0 [pid 308] <... close resumed>) = 0 [pid 3516] <... setpgid resumed>) = 0 [pid 3515] <... mount resumed>) = 0 [pid 3514] <... setpgid resumed>) = 0 [pid 3513] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rmdir("./653/config" [pid 3514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 3514] write(3, "1000", 4 [pid 3513] <... unlinkat resumed>) = 0 [pid 3516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] getdents64(3 [pid 3515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3513] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3516] <... openat resumed>) = 3 [pid 3515] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3514] <... write resumed>) = 4 [pid 3513] <... exit_group resumed>) = ? [pid 308] close(3 [pid 3516] write(3, "1000", 4 [pid 3514] close(3 [pid 308] <... close resumed>) = 0 [pid 3514] <... close resumed>) = 0 [pid 308] rmdir("./653" [pid 3514] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3514] write(1, "executing program\n", 18 [pid 308] mkdir("./654", 0777 [pid 3516] <... write resumed>) = 4 [pid 3513] +++ exited with 0 +++ [pid 3514] <... write resumed>) = 18 executing program [pid 3516] close(3 [pid 3515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3514] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 3516] <... close resumed>) = 0 [pid 3515] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3514] <... mkdirat resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3516] symlink("/dev/binderfs", "./binderfs" [pid 3515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3514] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3516] <... symlink resumed>) = 0 [pid 3514] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3517 [pid 3514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./658", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3516] write(1, "executing program\n", 18 [pid 3514] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3516] <... write resumed>) = 18 [pid 3514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3516] mkdirat(AT_FDCWD, "./config", 0777 [pid 3515] <... mkdirat resumed>) = 0 [pid 3514] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3514] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./658", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3516] <... mkdirat resumed>) = 0 [pid 3515] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3514] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 3516] mount(NULL, "./config", "configfs", 0, NULL [pid 3515] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3514] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(3 [pid 3516] <... mount resumed>) = 0 [pid 3515] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3514] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3515] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3514] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3516] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3515] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3514] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 3516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3515] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3514] exit_group(0 [pid 3516] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3515] exit_group(0 [pid 3514] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3515] <... exit_group resumed>) = ? [pid 3514] +++ exited with 0 +++ [pid 310] umount2("./658/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3516] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./658/binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3516] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./658/binderfs" [pid 3516] <... symlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3517 attached [pid 3516] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3515] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 3516] <... unlinkat resumed>) = 0 [pid 310] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3516] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3516] <... unlinkat resumed>) = 0 [pid 3516] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3516] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./658/config" [pid 3517] set_robust_list(0x55556c898760, 24 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3517] <... set_robust_list resumed>) = 0 [pid 310] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3517] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3517] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3516] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./658/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3517] chdir("./654" [pid 310] <... openat resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3517] <... chdir resumed>) = 0 [pid 310] fstat(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3517] <... prctl resumed>) = 0 [pid 310] getdents64(4 [pid 3517] setpgid(0, 0) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(4 [pid 3517] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3517] write(3, "1000", 4 [pid 310] close(4 [pid 3517] <... write resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 3517] close(3 [pid 310] rmdir("./658/config" [pid 3517] <... close resumed>) = 0 [pid 3517] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3517] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 3517] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 3517] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(3 [pid 3517] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 3517] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rmdir("./658" [pid 3517] <... mount resumed>) = 0 [pid 3517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 3517] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./659", 0777 [pid 3517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 3517] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3517] <... symlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3517] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3517] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3517] exit_group(0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3518 [pid 3517] <... exit_group resumed>) = ? [pid 3517] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] umount2("./645", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./610", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./654", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./645", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./634", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./610", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./654", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./634", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./645/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./610/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./645/binderfs" [pid 308] umount2("./654/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./610/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./645/binderfs" [pid 308] newfstatat(AT_FDCWD, "./654/binderfs" [pid 307] umount2("./634/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./610/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] umount2("./645/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./654/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./610/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./634/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./645/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3518 attached [pid 3518] set_robust_list(0x55556c898760, 24 [pid 307] unlink("./634/binderfs" [pid 306] umount2("./610/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./645/config" [pid 308] <... umount2 resumed>) = 0 [pid 3518] <... set_robust_list resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 308] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./634/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./610/config" [pid 309] umount2("./645/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./654/config" [pid 3518] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./645/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./634/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 308] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./610/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./634/config" [pid 306] openat(AT_FDCWD, "./610/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 308] openat(AT_FDCWD, "./654/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 4 [pid 3518] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 307] umount2("./634/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./634/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 306] getdents64(4 [pid 309] rmdir("./645/config" [pid 307] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3518] chdir("./659") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... close resumed>) = 0 [pid 306] close(4 [pid 307] getdents64(4 [pid 309] close(3 [pid 308] rmdir("./654/config" [pid 306] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3518] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3518] setpgid(0, 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] rmdir("./645" [pid 308] getdents64(3 [pid 307] close(4 [pid 306] rmdir("./610/config" [pid 3518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 3518] write(3, "1000", 4 [pid 307] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] mkdir("./646", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./634/config" [pid 306] getdents64(3 [pid 3518] <... write resumed>) = 4 [pid 3518] close(3) = 0 [pid 3518] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 3518] write(1, "executing program\n", 18) = 18 executing program [pid 3518] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 3518] <... mkdirat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 3518] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 3518] <... mount resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rmdir("./654" [pid 307] close(3 [pid 3518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... close resumed>) = 0 [pid 3518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3518] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3518] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3519 [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./610" [pid 3518] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./655", 0777 [pid 3518] <... unlinkat resumed>) = 0 [pid 307] rmdir("./634" [pid 306] <... rmdir resumed>) = 0 [pid 3518] exit_group(0) = ? [pid 3518] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] mkdir("./611", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] mkdir("./635", 0777ci2-android-6-1/strace-static-x86_64: Process 3519 attached [pid 3519] set_robust_list(0x55556c898760, 24) = 0 [pid 3519] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... mkdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3519] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3519] chdir("./646") = 0 [pid 3519] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3519] <... prctl resumed>) = 0 [pid 3519] setpgid(0, 0) = 0 [pid 3519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3519] write(3, "1000", 4) = 4 [pid 3519] close(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./659", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3520 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3519] <... close resumed>) = 0 [pid 3519] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3519] write(1, "executing program\n", 18) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3519] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] openat(AT_FDCWD, "./659", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3521 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3522 [pid 310] fstat(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3519] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3519] <... mount resumed>) = 0 [pid 310] umount2("./659/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3519] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./659/binderfs" [pid 3519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3519] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] unlink("./659/binderfs" [pid 3519] <... symlinkat resumed>) = 0 [pid 3519] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 3519] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3519] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 3519] exit_group(0 [pid 310] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3519] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3521 attached [pid 3519] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./659/config"ci2-android-6-1/strace-static-x86_64: Process 3520 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3520] set_robust_list(0x55556c898760, 24 [pid 310] openat(AT_FDCWD, "./659/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3520] <... set_robust_list resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 3520] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(4 [pid 3521] set_robust_list(0x55556c898760, 24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 3520] chdir("./655" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3520] <... chdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3522 attached [pid 310] getdents64(4 [pid 3520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3520] <... prctl resumed>) = 0 [pid 310] close(4 [pid 3520] setpgid(0, 0 [pid 310] <... close resumed>) = 0 [pid 3522] set_robust_list(0x55556c898760, 24 [pid 3520] <... setpgid resumed>) = 0 [pid 310] rmdir("./659/config" [pid 3520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3522] <... set_robust_list resumed>) = 0 [pid 3522] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 3520] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 3522] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3522] chdir("./611" [pid 310] close(3 [pid 3522] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 3520] write(3, "1000", 4 executing program [pid 310] rmdir("./659" [pid 3522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3520] <... write resumed>) = 4 [pid 3522] <... prctl resumed>) = 0 [pid 3520] close(3 [pid 3522] setpgid(0, 0 [pid 3520] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3522] <... setpgid resumed>) = 0 [pid 310] mkdir("./660", 0777 [pid 3522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3520] symlink("/dev/binderfs", "./binderfs" [pid 3522] <... openat resumed>) = 3 [pid 3520] <... symlink resumed>) = 0 [pid 3522] write(3, "1000", 4) = 4 [pid 3522] close(3 [pid 3520] write(1, "executing program\n", 18 [pid 3522] <... close resumed>) = 0 [pid 3520] <... write resumed>) = 18 [pid 3522] symlink("/dev/binderfs", "./binderfs" [pid 3520] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 3522] <... symlink resumed>) = 0 [pid 3521] <... set_robust_list resumed>) = 0 [pid 3520] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3522] write(1, "executing program\n", 18 [pid 3520] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 3522] <... write resumed>) = 18 [pid 3521] rt_sigprocmask(SIG_SETMASK, [] [pid 3520] <... mount resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3522] mkdirat(AT_FDCWD, "./config", 0777 [pid 3520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3522] <... mkdirat resumed>) = 0 [pid 3520] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3521] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3522] mount(NULL, "./config", "configfs", 0, NULL [pid 3520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3523 [pid 3521] chdir("./635" [pid 3522] <... mount resumed>) = 0 [pid 3521] <... chdir resumed>) = 0 [pid 3520] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3522] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3521] <... prctl resumed>) = 0 [pid 3520] <... mkdirat resumed>) = 0 [pid 3522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3520] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3521] setpgid(0, 0 [pid 3522] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3520] <... symlinkat resumed>) = 0 [pid 3522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3520] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3521] <... setpgid resumed>) = 0 [pid 3522] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3520] <... unlinkat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 3521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3522] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3520] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3522] <... symlinkat resumed>) = 0 [pid 3521] <... openat resumed>) = 3 [pid 3520] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 309] umount2("./646", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3522] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3521] write(3, "1000", 4 [pid 3520] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3522] <... unlinkat resumed>) = 0 [pid 3521] <... write resumed>) = 4 [pid 3520] <... exit_group resumed>) = ? [pid 309] openat(AT_FDCWD, "./646", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3522] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3521] close(3 [pid 3520] +++ exited with 0 +++ [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3521] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3521] symlink("/dev/binderfs", "./binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 3522] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3522] exit_group(0 [pid 309] umount2("./646/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3521] <... symlink resumed>) = 0 [pid 3522] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 3521] write(1, "executing program\n", 18 [pid 309] newfstatat(AT_FDCWD, "./646/binderfs" [pid 3521] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 3522] +++ exited with 0 +++ [pid 3521] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] unlink("./646/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3523 attached [pid 3523] set_robust_list(0x55556c898760, 24 [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./655", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./646/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./655", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = 0 [pid 3523] <... set_robust_list resumed>) = 0 [pid 3523] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./646/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 306] umount2("./611", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./646/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./646/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./611", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 3521] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./646/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3521] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... openat resumed>) = 4 [pid 306] fstat(3 [pid 309] fstat(4 [pid 308] umount2("./655/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./655/binderfs" [pid 306] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3523] chdir("./660" [pid 309] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3521] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] unlink("./655/binderfs" [pid 306] umount2("./611/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] close(4 [pid 3523] <... chdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./611/binderfs" [pid 3521] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./646/config" [pid 3523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3523] <... prctl resumed>) = 0 [pid 3523] setpgid(0, 0) = 0 [pid 3523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 3521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(3 [pid 308] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./611/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3523] <... openat resumed>) = 3 [pid 309] close(3 [pid 308] newfstatat(AT_FDCWD, "./655/config" [pid 306] <... unlink resumed>) = 0 [pid 3521] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./611/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./646" [pid 308] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3523] write(3, "1000", 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 3523] <... write resumed>) = 4 [pid 3521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./655/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./611/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3523] close(3) = 0 [pid 3523] symlink("/dev/binderfs", "./binderfs" [pid 309] mkdir("./647", 0777 [pid 308] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3523] <... symlink resumed>) = 0 [pid 3521] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./611/config" [pid 3521] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(4 [pid 306] umount2("./611/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 3523] write(1, "executing program\n", 18) = 18 [pid 3523] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3524 attached ) = 0 [pid 3521] <... symlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3521] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3524 [pid 308] getdents64(4 [pid 306] openat(AT_FDCWD, "./611/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3524] set_robust_list(0x55556c898760, 24 [pid 3521] <... unlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3524] <... set_robust_list resumed>) = 0 [pid 3521] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(4 [pid 308] close(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 308] rmdir("./655/config" [pid 3523] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3524] rt_sigprocmask(SIG_SETMASK, [] [pid 3523] <... mount resumed>) = 0 [pid 3521] <... unlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 3524] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3524] chdir("./647" [pid 3523] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3521] exit_group(0 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3524] <... chdir resumed>) = 0 [pid 3523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3523] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3521] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 3524] <... prctl resumed>) = 0 [pid 3523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] close(3 [pid 3523] <... mkdirat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3523] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... close resumed>) = 0 [pid 306] rmdir("./611/config" [pid 3524] setpgid(0, 0 [pid 3523] <... symlinkat resumed>) = 0 [pid 3521] +++ exited with 0 +++ [pid 3523] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3524] <... setpgid resumed>) = 0 [pid 3523] <... unlinkat resumed>) = 0 [pid 308] rmdir("./655" [pid 306] <... rmdir resumed>) = 0 [pid 3524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3523] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3523] <... unlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 3524] <... openat resumed>) = 3 [pid 3523] exit_group(0 [pid 3524] write(3, "1000", 4 [pid 3523] <... exit_group resumed>) = ? [pid 308] mkdir("./656", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3524] <... write resumed>) = 4 [pid 3523] +++ exited with 0 +++ [pid 306] close(3 [pid 3524] close(3) = 0 [pid 3524] symlink("/dev/binderfs", "./binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... close resumed>) = 0 [pid 3524] <... symlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./611" [pid 3524] write(1, "executing program\n", 18) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rmdir resumed>) = 0 executing program [pid 3524] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] mkdir("./612", 0777 [pid 3524] <... mkdirat resumed>) = 0 [pid 3524] mount(NULL, "./config", "configfs", 0, NULLci2-android-6-1/strace-static-x86_64: Process 3525 attached ) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3525 [pid 306] <... mkdir resumed>) = 0 [pid 3525] set_robust_list(0x55556c898760, 24 [pid 3524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3525] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3524] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 3526 attached [pid 3525] rt_sigprocmask(SIG_SETMASK, [] [pid 3524] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3526] set_robust_list(0x55556c898760, 24 [pid 3525] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3526 [pid 3526] <... set_robust_list resumed>) = 0 [pid 3524] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3525] chdir("./656" [pid 310] umount2("./660", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./635", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3526] rt_sigprocmask(SIG_SETMASK, [] [pid 3525] <... chdir resumed>) = 0 [pid 3524] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3526] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] openat(AT_FDCWD, "./660", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3525] <... prctl resumed>) = 0 [pid 307] openat(AT_FDCWD, "./635", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3525] setpgid(0, 0 [pid 310] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 3525] <... setpgid resumed>) = 0 [pid 310] fstat(3 [pid 307] fstat(3 [pid 3526] chdir("./612" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3526] <... chdir resumed>) = 0 [pid 3525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 3526] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] getdents64(3 [pid 3524] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3526] <... prctl resumed>) = 0 [pid 3525] <... openat resumed>) = 3 [pid 310] umount2("./660/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./635/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3526] setpgid(0, 0 [pid 3525] write(3, "1000", 4 [pid 3526] <... setpgid resumed>) = 0 [pid 3525] <... write resumed>) = 4 [pid 3524] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3525] close(3 [pid 310] newfstatat(AT_FDCWD, "./660/binderfs" [pid 307] newfstatat(AT_FDCWD, "./635/binderfs" [pid 3525] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3525] symlink("/dev/binderfs", "./binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] unlink("./660/binderfs" [pid 307] unlink("./635/binderfs" [pid 3524] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 3525] <... symlink resumed>) = 0 [pid 3524] <... unlinkat resumed>) = 0 [pid 310] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 3526] <... openat resumed>) = 3 [pid 3525] write(1, "executing program\n", 18 [pid 307] umount2("./635/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3526] write(3, "1000", 4 [pid 3525] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 executing program [pid 3526] <... write resumed>) = 4 [pid 3525] mkdirat(AT_FDCWD, "./config", 0777 [pid 3524] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./635/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3526] close(3 [pid 3524] <... exit_group resumed>) = ? [pid 3526] <... close resumed>) = 0 [pid 3525] <... mkdirat resumed>) = 0 [pid 3524] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./660/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3526] symlink("/dev/binderfs", "./binderfs" [pid 3525] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./635/config" [pid 3526] <... symlink resumed>) = 0 [pid 3525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3526] write(1, "executing program\n", 18 [pid 3525] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) executing program [pid 307] umount2("./635/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3526] <... write resumed>) = 18 [pid 3525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3526] mkdirat(AT_FDCWD, "./config", 0777 [pid 3525] <... mkdirat resumed>) = 0 [pid 309] umount2("./647", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3525] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./660/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./635/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3526] <... mkdirat resumed>) = 0 [pid 3525] <... symlinkat resumed>) = 0 [pid 3526] mount(NULL, "./config", "configfs", 0, NULL [pid 3525] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./647", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 4 [pid 3526] <... mount resumed>) = 0 [pid 3525] <... unlinkat resumed>) = 0 [pid 310] fstat(4 [pid 3526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3525] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... openat resumed>) = 3 [pid 307] fstat(4 [pid 3526] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3525] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3525] exit_group(0 [pid 309] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3526] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3525] <... exit_group resumed>) = ? [pid 310] getdents64(4 [pid 3526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3525] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 310] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./647/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3526] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./647/binderfs" [pid 3526] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rmdir("./660/config" [pid 307] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3526] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 3526] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3 [pid 309] unlink("./647/binderfs" [pid 3526] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./635/config" [pid 3526] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... unlink resumed>) = 0 [pid 3526] <... unlinkat resumed>) = 0 [pid 3526] exit_group(0) = ? [pid 3526] +++ exited with 0 +++ [pid 307] <... rmdir resumed>) = 0 [pid 310] close(3 [pid 309] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rmdir("./660" [pid 309] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 310] mkdir("./661", 0777 [pid 309] newfstatat(AT_FDCWD, "./647/config" [pid 307] rmdir("./635" [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./636", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./647/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3528 attached ci2-android-6-1/strace-static-x86_64: Process 3527 attached [pid 309] <... openat resumed>) = 4 [pid 3527] set_robust_list(0x55556c898760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3527 [pid 309] fstat(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3528 [pid 3528] set_robust_list(0x55556c898760, 24 [pid 3527] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3528] <... set_robust_list resumed>) = 0 [pid 3527] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3528] rt_sigprocmask(SIG_SETMASK, [] [pid 3527] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3527] chdir("./661" [pid 309] getdents64(4 [pid 308] <... restart_syscall resumed>) = 0 [pid 3527] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(4 [pid 3528] chdir("./636") = 0 [pid 3527] <... prctl resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./647/config" [pid 308] umount2("./656", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3527] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3528] <... prctl resumed>) = 0 [pid 3527] <... setpgid resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./656", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3528] setpgid(0, 0 [pid 3527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 3528] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] fstat(3 [pid 306] umount2("./612", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3527] <... openat resumed>) = 3 [pid 309] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3528] <... openat resumed>) = 3 [pid 3527] write(3, "1000", 4 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3528] write(3, "1000", 4 [pid 3527] <... write resumed>) = 4 [pid 309] rmdir("./647" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3528] <... write resumed>) = 4 [pid 3527] close(3 [pid 308] umount2("./656/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./612", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3528] close(3 [pid 3527] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./656/binderfs" [pid 309] mkdir("./648", 0777 [pid 306] <... openat resumed>) = 3 [pid 3528] <... close resumed>) = 0 [pid 3527] symlink("/dev/binderfs", "./binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./656/binderfs" [pid 306] fstat(3 [pid 308] <... unlink resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3528] symlink("/dev/binderfs", "./binderfs" [pid 3527] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = 0 [pid 3527] write(1, "executing program\n", 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 3528] <... symlink resumed>) = 0 [pid 3527] <... write resumed>) = 18 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 308] newfstatat(AT_FDCWD, "./656/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./656/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 3529 attached [pid 3528] write(1, "executing program\n", 18 [pid 3527] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... openat resumed>) = 4 executing program [pid 306] umount2("./612/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3529] set_robust_list(0x55556c898760, 24 [pid 3528] <... write resumed>) = 18 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3527] <... mkdirat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3529 [pid 3528] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3529] <... set_robust_list resumed>) = 0 [pid 3527] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./612/binderfs" [pid 3528] <... mkdirat resumed>) = 0 [pid 3527] <... mount resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rmdir("./656/config" [pid 3529] rt_sigprocmask(SIG_SETMASK, [] [pid 3528] mount(NULL, "./config", "configfs", 0, NULL [pid 3527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 306] unlink("./612/binderfs" [pid 3527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] close(3 [pid 306] <... unlink resumed>) = 0 [pid 3527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./656" [pid 306] umount2("./612/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3529] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3528] <... mount resumed>) = 0 [pid 3527] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3529] chdir("./648" [pid 3528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3527] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] mkdir("./657", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 3529] <... chdir resumed>) = 0 [pid 3528] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3527] <... symlinkat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 3529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3527] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./612/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3529] <... prctl resumed>) = 0 [pid 3528] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3527] <... unlinkat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3529] setpgid(0, 0 [pid 3528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3527] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3530 attached [pid 3529] <... setpgid resumed>) = 0 [pid 3528] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3527] <... unlinkat resumed>) = 0 [pid 3528] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3527] exit_group(0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3530 [pid 306] newfstatat(AT_FDCWD, "./612/config" [pid 3530] set_robust_list(0x55556c898760, 24 [pid 3528] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3527] <... exit_group resumed>) = ? [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3529] <... openat resumed>) = 3 [pid 3527] +++ exited with 0 +++ [pid 3530] <... set_robust_list resumed>) = 0 [pid 3529] write(3, "1000", 4 [pid 3528] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3527, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./612/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3530] rt_sigprocmask(SIG_SETMASK, [] [pid 3529] <... write resumed>) = 4 [pid 3528] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3530] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3529] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3530] chdir("./657" [pid 3529] <... close resumed>) = 0 [pid 3528] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] openat(AT_FDCWD, "./612/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3530] <... chdir resumed>) = 0 [pid 3529] symlink("/dev/binderfs", "./binderfs" [pid 3528] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 3528] exit_group(0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3528] <... exit_group resumed>) = ? [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3530] <... prctl resumed>) = 0 [pid 3530] setpgid(0, 0) = 0 [pid 3530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3528] +++ exited with 0 +++ [pid 3530] <... openat resumed>) = 3 [pid 3529] <... symlink resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(4 [pid 3530] write(3, "1000", 4 [pid 3529] write(1, "executing program\n", 18 executing program [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3530] <... write resumed>) = 4 [pid 3529] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3530] close(3 [pid 3529] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] close(4 [pid 3530] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3530] symlink("/dev/binderfs", "./binderfs" [pid 306] rmdir("./612/config" [pid 3530] <... symlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3530] write(1, "executing program\n", 18 [pid 3529] <... mkdirat resumed>) = 0 [pid 306] getdents64(3 [pid 3530] <... write resumed>) = 18 [pid 3529] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3530] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 306] close(3 [pid 3530] <... mkdirat resumed>) = 0 [pid 3529] <... mount resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3530] mount(NULL, "./config", "configfs", 0, NULL [pid 3529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rmdir("./612" [pid 3530] <... mount resumed>) = 0 [pid 3530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 3529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] mkdir("./613", 0777 [pid 3530] <... mkdirat resumed>) = 0 [pid 3530] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... mkdir resumed>) = 0 [pid 3529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3530] <... symlinkat resumed>) = 0 [pid 3529] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3530] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3530] <... unlinkat resumed>) = 0 [pid 3530] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3530] exit_group(0) = ? [pid 3530] +++ exited with 0 +++ [pid 3529] <... mkdirat resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3531 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 3531 attached [pid 3529] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3531] set_robust_list(0x55556c898760, 24 [pid 3529] <... symlinkat resumed>) = 0 [pid 3531] <... set_robust_list resumed>) = 0 [pid 3531] rt_sigprocmask(SIG_SETMASK, [] [pid 3529] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3531] chdir("./613") = 0 [pid 3531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3531] setpgid(0, 0) = 0 [pid 3531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3529] <... unlinkat resumed>) = 0 [pid 3531] write(3, "1000", 4 [pid 3529] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3531] <... write resumed>) = 4 [pid 3531] close(3) = 0 [pid 3531] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3529] <... unlinkat resumed>) = 0 executing program [pid 3531] write(1, "executing program\n", 18) = 18 [pid 3531] mkdirat(AT_FDCWD, "./config", 0777 [pid 3529] exit_group(0) = ? [pid 3531] <... mkdirat resumed>) = 0 [pid 3531] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3531] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3529] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3531] <... symlinkat resumed>) = 0 [pid 3531] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] umount2("./636", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] umount2("./657", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./636", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./657", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 308] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3531] <... unlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./636/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./636/binderfs" [pid 310] umount2("./661", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./657/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./636/binderfs" [pid 310] openat(AT_FDCWD, "./661", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./636/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./657/binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 310] fstat(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./636/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./657/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./636/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] umount2("./636/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./661/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./636/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./661/binderfs" [pid 308] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 310] unlink("./661/binderfs" [pid 308] newfstatat(AT_FDCWD, "./657/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 310] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 310] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./636/config" [pid 3531] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 3531] <... unlinkat resumed>) = 0 [pid 310] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./657/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 3531] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3531] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./661/config" [pid 308] fstat(4 [pid 307] close(3 [pid 3531] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 310] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 307] rmdir("./636" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rmdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./661/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 307] mkdir("./637", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] fstat(4 [pid 308] close(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(4 [pid 308] rmdir("./657/config" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3532 attached [pid 310] getdents64(4 [pid 308] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3532 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(4 [pid 308] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./661/config" [pid 308] <... close resumed>) = 0 [pid 3532] set_robust_list(0x55556c898760, 24) = 0 [pid 3532] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 308] rmdir("./657" [pid 3532] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3532] chdir("./637") = 0 [pid 3532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] mkdir("./658", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3532] setpgid(0, 0) = 0 [pid 309] umount2("./648", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 306] umount2("./613", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 3532] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./648", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] openat(AT_FDCWD, "./613", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./661" [pid 309] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 3532] <... write resumed>) = 4 [pid 3532] close(3) = 0 [pid 3532] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] mkdir("./662", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 3532] <... symlink resumed>) = 0 [pid 3532] write(1, "executing program\n", 18) = 18 [pid 310] <... mkdir resumed>) = 0 [pid 3532] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 3532] <... mkdirat resumed>) = 0 [pid 3532] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./648/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3533 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 309] newfstatat(AT_FDCWD, "./648/binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./613/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3532] <... mount resumed>) = 0 [pid 3532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] unlink("./648/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3534 [pid 3532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./613/binderfs" [pid 309] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3532] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = 0 [pid 306] unlink("./613/binderfs" [pid 309] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3532] <... symlinkat resumed>) = 0 [pid 3532] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 3532] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./648/config" [pid 306] umount2("./613/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3532] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./613/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./648/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./613/config" [pid 309] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 3532] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./613/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3532] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] openat(AT_FDCWD, "./613/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3534 attached [pid 3532] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3533 attached [pid 3533] set_robust_list(0x55556c898760, 24 [pid 309] close(4 [pid 306] fstat(4 [pid 3533] <... set_robust_list resumed>) = 0 [pid 3533] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3533] chdir("./658" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 3533] <... chdir resumed>) = 0 [pid 3533] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3533] setpgid(0, 0) = 0 [pid 3533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rmdir("./648/config" [pid 306] getdents64(4 [pid 3534] set_robust_list(0x55556c898760, 24 [pid 3533] <... openat resumed>) = 3 [pid 3533] write(3, "1000", 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3533] <... write resumed>) = 4 [pid 3533] close(3) = 0 [pid 3533] symlink("/dev/binderfs", "./binderfs" [pid 3534] <... set_robust_list resumed>) = 0 [pid 3533] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 309] getdents64(3 [pid 3533] write(1, "executing program\n", 18 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3533] <... write resumed>) = 18 [pid 306] close(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 executing program [pid 309] close(3 [pid 306] rmdir("./613/config" [pid 3533] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3533] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] rmdir("./648" [pid 306] getdents64(3 [pid 3534] rt_sigprocmask(SIG_SETMASK, [] [pid 3533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] close(3 [pid 309] mkdir("./649", 0777 [pid 3533] <... mkdirat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3533] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] rmdir("./613" [pid 3533] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3533] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 3533] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./614", 0777 [pid 3533] <... exit_group resumed>) = ? [pid 3534] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3533] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 307] umount2("./637", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./637", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3535 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./637/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./637/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./637/binderfs") = 0 [pid 307] umount2("./637/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 307] umount2("./637/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./637/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./637/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./637/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./637/config" [pid 3534] chdir("./662" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3536 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./637" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3534] <... chdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./638", 0777 [pid 3534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3534] <... prctl resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3537 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./658", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3535 attached [pid 308] openat(AT_FDCWD, "./658", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3535] set_robust_list(0x55556c898760, 24 [pid 308] <... openat resumed>) = 3 [pid 3535] <... set_robust_list resumed>) = 0 [pid 308] fstat(3 [pid 3535] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3535] chdir("./649" [pid 308] getdents64(3 [pid 3535] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] umount2("./658/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3535] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3535] setpgid(0, 0 [pid 308] newfstatat(AT_FDCWD, "./658/binderfs" [pid 3535] <... setpgid resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] unlink("./658/binderfs" [pid 3535] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 3535] write(3, "1000", 4 [pid 308] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3535] <... write resumed>) = 4 [pid 3535] close(3 [pid 308] <... umount2 resumed>) = 0 [pid 3535] <... close resumed>) = 0 [pid 308] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3535] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3535] <... symlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./658/config" [pid 3535] write(1, "executing program\n", 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 3536 attached [pid 3535] <... write resumed>) = 18 [pid 308] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3536] set_robust_list(0x55556c898760, 24 [pid 3535] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3537 attached [pid 3536] <... set_robust_list resumed>) = 0 [pid 3535] <... mkdirat resumed>) = 0 [pid 3534] setpgid(0, 0 [pid 308] openat(AT_FDCWD, "./658/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3536] rt_sigprocmask(SIG_SETMASK, [] [pid 3535] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... openat resumed>) = 4 [pid 3536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3535] <... mount resumed>) = 0 [pid 308] fstat(4 [pid 3536] chdir("./614" [pid 3535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3536] <... chdir resumed>) = 0 [pid 3535] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 3536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3536] <... prctl resumed>) = 0 [pid 3535] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 3536] setpgid(0, 0 [pid 3535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3534] <... setpgid resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3536] <... setpgid resumed>) = 0 [pid 3535] <... mkdirat resumed>) = 0 [pid 3534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] close(4 [pid 3536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3535] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... close resumed>) = 0 [pid 3536] <... openat resumed>) = 3 [pid 3535] <... symlinkat resumed>) = 0 [pid 3534] <... openat resumed>) = 3 [pid 308] rmdir("./658/config" [pid 3537] set_robust_list(0x55556c898760, 24 [pid 3536] write(3, "1000", 4 [pid 3535] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3536] <... write resumed>) = 4 [pid 3535] <... unlinkat resumed>) = 0 [pid 3536] close(3 [pid 3535] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... rmdir resumed>) = 0 [pid 3534] write(3, "1000", 4 [pid 308] getdents64(3 [pid 3536] <... close resumed>) = 0 [pid 3535] <... unlinkat resumed>) = 0 [pid 3534] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3536] symlink("/dev/binderfs", "./binderfs" [pid 3535] exit_group(0 [pid 3534] close(3 [pid 308] close(3 [pid 3536] <... symlink resumed>) = 0 [pid 3535] <... exit_group resumed>) = ? [pid 3534] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3537] <... set_robust_list resumed>) = 0 [pid 308] rmdir("./658" [pid 3534] symlink("/dev/binderfs", "./binderfs" [pid 3536] write(1, "executing program\n", 18 [pid 3535] +++ exited with 0 +++ [pid 3534] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3536] <... write resumed>) = 18 executing program [pid 308] mkdir("./659", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3534] write(1, "executing program\n", 18 [pid 3536] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3534] <... write resumed>) = 18 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... mkdir resumed>) = 0 [pid 3536] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3534] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3536] <... mount resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3536] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3536] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3538 [pid 3534] <... mkdirat resumed>) = 0 [pid 3536] <... unlinkat resumed>) = 0 [pid 3534] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3536] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3536] <... unlinkat resumed>) = 0 [pid 3534] <... mount resumed>) = 0 [pid 3536] exit_group(0 [pid 3534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3536] <... exit_group resumed>) = ? [pid 3537] rt_sigprocmask(SIG_SETMASK, [] [pid 3536] +++ exited with 0 +++ [pid 3534] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 3534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 3538 attached [pid 3538] set_robust_list(0x55556c898760, 24 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./649", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3534] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3538] <... set_robust_list resumed>) = 0 [pid 3538] rt_sigprocmask(SIG_SETMASK, [] [pid 3534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./649", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3538] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3538] chdir("./659") = 0 [pid 3538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3538] setpgid(0, 0) = 0 [pid 3538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3538] write(3, "1000", 4) = 4 [pid 309] getdents64(3 [pid 306] umount2("./614", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3538] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./649/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./614", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./649/binderfs" [pid 306] fstat(3 [pid 3534] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3534] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] unlink("./649/binderfs" [pid 3538] <... close resumed>) = 0 [pid 3537] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3534] <... symlinkat resumed>) = 0 [pid 306] getdents64(3 [pid 3538] symlink("/dev/binderfs", "./binderfs" [pid 3537] chdir("./638" [pid 309] <... unlink resumed>) = 0 [pid 3538] <... symlink resumed>) = 0 [pid 3534] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3537] <... chdir resumed>) = 0 [pid 306] umount2("./614/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3534] <... unlinkat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./614/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3534] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./649/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./614/binderfs" [pid 309] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3537] setpgid(0, 0) = 0 [pid 3537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 3534] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./649/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./614/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = 0 [pid 3534] exit_group(0 [pid 309] fstat(4 [pid 306] umount2("./614/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3534] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./614/config" [pid 3537] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 306] umount2("./614/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 306] openat(AT_FDCWD, "./614/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 3537] write(3, "1000", 4 [pid 309] rmdir("./649/config" [pid 306] <... openat resumed>) = 4 [pid 3537] <... write resumed>) = 4 [pid 3537] close(3) = 0 [pid 3537] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3537] write(1, "executing program\n", 18) = 18 [pid 3537] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 306] fstat(4 [pid 309] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 309] close(3 [pid 3537] <... mkdirat resumed>) = 0 [pid 3534] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./649" [pid 306] getdents64(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3537] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./650", 0777 [pid 306] close(4 [pid 3537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3538] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./614/config" [pid 3538] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3537] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3537] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rmdir resumed>) = 0 [pid 3538] mkdirat(AT_FDCWD, "./config", 0777 [pid 3537] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3537] exit_group(0) = ? executing program [pid 3538] <... mkdirat resumed>) = 0 [pid 3537] +++ exited with 0 +++ [pid 306] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3539 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 3538] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rmdir("./614"ci2-android-6-1/strace-static-x86_64: Process 3539 attached [pid 3539] set_robust_list(0x55556c898760, 24) = 0 [pid 3539] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3539] chdir("./650" [pid 306] <... rmdir resumed>) = 0 [pid 3538] <... mount resumed>) = 0 [pid 306] mkdir("./615", 0777 [pid 3539] <... chdir resumed>) = 0 [pid 3539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3539] setpgid(0, 0) = 0 [pid 3539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... mkdir resumed>) = 0 [pid 3538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3539] <... openat resumed>) = 3 [pid 3538] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3539] write(3, "1000", 4 [pid 3538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3539] <... write resumed>) = 4 [pid 3539] close(3) = 0 [pid 3539] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3539] write(1, "executing program\n", 18) = 18 [pid 3539] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3538] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 3539] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3540 [pid 3538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3539] <... mount resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3538] <... mkdirat resumed>) = 0 [pid 3539] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3539] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3538] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3539] <... symlinkat resumed>) = 0 [pid 3539] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3538] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3539] <... unlinkat resumed>) = 0 [pid 3538] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3539] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3538] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3539] exit_group(0 [pid 3538] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3539] <... exit_group resumed>) = ? [pid 3539] +++ exited with 0 +++ [pid 3538] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3538] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 3540 attached [pid 3540] set_robust_list(0x55556c898760, 24) = 0 [pid 3540] rt_sigprocmask(SIG_SETMASK, [] [pid 3538] <... exit_group resumed>) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 3540] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./638", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./638", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] umount2("./662", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./662", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 3538] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3540] chdir("./615" [pid 310] fstat(3 [pid 307] umount2("./638/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3540] <... chdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] newfstatat(AT_FDCWD, "./638/binderfs" [pid 3540] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3540] setpgid(0, 0 [pid 310] umount2("./662/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./638/binderfs" [pid 3540] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./662/binderfs" [pid 307] umount2("./638/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 310] unlink("./662/binderfs" [pid 307] umount2("./638/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./638/config" [pid 310] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3540] <... openat resumed>) = 3 [pid 310] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./638/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3540] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3540] <... write resumed>) = 4 [pid 310] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./638/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3540] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./650", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./659", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3540] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./662/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./650", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./659", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(4 [pid 310] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./662/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 308] fstat(3 [pid 307] getdents64(4 [pid 310] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3540] symlink("/dev/binderfs", "./binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] fstat(4 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3540] <... symlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] umount2("./650/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./659/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3540] write(1, "executing program\n", 18 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 3540] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./650/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./659/binderfs" [pid 3540] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 309] unlink("./650/binderfs" [pid 307] rmdir("./638/config" [pid 310] rmdir("./662/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 309] <... unlink resumed>) = 0 [pid 308] unlink("./659/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 3540] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 309] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3540] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3540] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] close(3 [pid 309] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./662" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3540] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./650/config" [pid 308] newfstatat(AT_FDCWD, "./659/config" [pid 307] <... close resumed>) = 0 [pid 310] mkdir("./663", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./638" [pid 3540] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3540] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3540] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./639", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./650/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./659/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3540] exit_group(0) = ? [pid 3540] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 307] <... mkdir resumed>) = 0 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 3541 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3541 [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3541] set_robust_list(0x55556c898760, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3541] <... set_robust_list resumed>) = 0 [pid 3541] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3542 ci2-android-6-1/strace-static-x86_64: Process 3542 attached [pid 309] rmdir("./650/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3541] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3542] set_robust_list(0x55556c898760, 24 [pid 3541] chdir("./663" [pid 309] <... rmdir resumed>) = 0 [pid 308] close(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./659/config" [pid 309] close(3 [pid 3541] <... chdir resumed>) = 0 [pid 3541] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3541] setpgid(0, 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 3541] <... openat resumed>) = 3 [pid 309] rmdir("./650" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3541] write(3, "1000", 4) = 4 [pid 3541] close(3) = 0 [pid 3541] symlink("/dev/binderfs", "./binderfs" [pid 3542] <... set_robust_list resumed>) = 0 [pid 3541] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 309] mkdir("./651", 0777 [pid 308] <... close resumed>) = 0 [pid 3541] write(1, "executing program\n", 18) = 18 executing program [pid 3541] mkdirat(AT_FDCWD, "./config", 0777 [pid 3542] rt_sigprocmask(SIG_SETMASK, [] [pid 3541] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] rmdir("./659" [pid 3541] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3541] <... mount resumed>) = 0 [pid 3541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3542] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3541] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] mkdir("./660", 0777 [pid 3541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3541] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3541] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3541] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3542] chdir("./639" [pid 3541] <... unlinkat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3543 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3541] exit_group(0 [pid 3542] <... chdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3541] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3542] <... prctl resumed>) = 0 [pid 3541] +++ exited with 0 +++ [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3542] setpgid(0, 0ci2-android-6-1/strace-static-x86_64: Process 3543 attached [pid 3543] set_robust_list(0x55556c898760, 24) = 0 [pid 3543] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3543] chdir("./651") = 0 [pid 3542] <... setpgid resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3544 [pid 306] umount2("./615", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./615", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... openat resumed>) = 3 [pid 3542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] fstat(3 [pid 3543] <... prctl resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3543] setpgid(0, 0 [pid 306] getdents64(3 [pid 3543] <... setpgid resumed>) = 0 [pid 3543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3542] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3543] <... openat resumed>) = 3 [pid 3542] write(3, "1000", 4 [pid 306] umount2("./615/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3543] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3542] <... write resumed>) = 4 [pid 306] newfstatat(AT_FDCWD, "./615/binderfs" [pid 3543] <... write resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3542] close(3 [pid 306] unlink("./615/binderfs" [pid 3543] close(3) = 0 [pid 3543] symlink("/dev/binderfs", "./binderfs" [pid 306] <... unlink resumed>) = 0 [pid 3542] <... close resumed>) = 0 [pid 306] umount2("./615/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3542] symlink("/dev/binderfs", "./binderfs" [pid 306] <... umount2 resumed>) = 0 [pid 3543] <... symlink resumed>) = 0 [pid 306] umount2("./615/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3543] write(1, "executing program\n", 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3542] <... symlink resumed>) = 0 [pid 3543] <... write resumed>) = 18 [pid 306] newfstatat(AT_FDCWD, "./615/config" [pid 3542] write(1, "executing program\n", 18 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 3543] mkdirat(AT_FDCWD, "./config", 0777 [pid 3542] <... write resumed>) = 18 executing program [pid 306] umount2("./615/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3543] <... mkdirat resumed>) = 0 [pid 3542] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3543] mount(NULL, "./config", "configfs", 0, NULL [pid 306] openat(AT_FDCWD, "./615/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3543] <... mount resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 3543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] fstat(4 [pid 3543] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] getdents64(4 [pid 3543] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3542] <... mkdirat resumed>) = 0 [pid 306] getdents64(4 [pid 3543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3542] mount(NULL, "./config", "configfs", 0, NULL [pid 306] close(4 [pid 3543] <... mkdirat resumed>) = 0 [pid 3542] <... mount resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3543] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rmdir("./615/config" [pid 3543] <... symlinkat resumed>) = 0 [pid 3543] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3542] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3543] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] getdents64(3 [pid 3543] <... unlinkat resumed>) = 0 [pid 3542] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3543] exit_group(0 [pid 3542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] close(3 [pid 3543] <... exit_group resumed>) = ? [pid 306] <... close resumed>) = 0 [pid 3543] +++ exited with 0 +++ [pid 3542] <... mkdirat resumed>) = 0 [pid 306] rmdir("./615"ci2-android-6-1/strace-static-x86_64: Process 3544 attached [pid 3544] set_robust_list(0x55556c898760, 24) = 0 [pid 3544] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3542] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] mkdir("./616", 0777 [pid 3544] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3544] chdir("./660") = 0 [pid 3544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3544] setpgid(0, 0) = 0 [pid 3544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] umount2("./663", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 3542] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3542] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 310] openat(AT_FDCWD, "./663", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3542] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 3544] write(3, "1000", 4) = 4 [pid 3544] close(3) = 0 [pid 3544] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3544] write(1, "executing program\n", 18) = 18 [pid 3544] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3542] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3545 [pid 310] umount2("./663/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3544] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3542] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./663/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3544] <... mount resumed>) = 0 [pid 3542] exit_group(0 [pid 310] unlink("./663/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3545 attached [pid 3545] set_robust_list(0x55556c898760, 24 [pid 3542] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 3545] <... set_robust_list resumed>) = 0 [pid 310] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3545] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 3545] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3545] chdir("./616" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3545] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./663/config" [pid 3545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3545] <... prctl resumed>) = 0 [pid 310] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3542] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./663/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3545] setpgid(0, 0 [pid 310] <... openat resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] fstat(4 [pid 3544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3545] <... setpgid resumed>) = 0 [pid 310] getdents64(4 [pid 3544] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3545] <... openat resumed>) = 3 [pid 3544] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 3545] write(3, "1000", 4 [pid 3544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3545] <... write resumed>) = 4 [pid 310] close(4 [pid 3545] close(3 [pid 310] <... close resumed>) = 0 [pid 3545] <... close resumed>) = 0 [pid 310] rmdir("./663/config" [pid 309] <... restart_syscall resumed>) = 0 [pid 3545] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3544] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 3545] write(1, "executing program\n", 18 [pid 3544] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./651", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 3545] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./651", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./663" [pid 3545] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... openat resumed>) = 3 executing program [pid 3545] <... mkdirat resumed>) = 0 [pid 3544] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 310] mkdir("./664", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3544] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3545] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 3545] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 3544] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3544] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./651/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3545] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3545] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3545] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3546 [pid 309] newfstatat(AT_FDCWD, "./651/binderfs" [pid 3545] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./651/binderfs" [pid 3544] <... unlinkat resumed>) = 0 [pid 3545] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3545] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 3544] exit_group(0 [pid 309] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3545] <... exit_group resumed>) = ? [pid 3544] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = 0 [pid 3545] +++ exited with 0 +++ [pid 3544] +++ exited with 0 +++ [pid 309] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./651/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3546 attached [pid 309] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3546] set_robust_list(0x55556c898760, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3546] <... set_robust_list resumed>) = 0 [pid 309] openat(AT_FDCWD, "./651/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3546] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] getdents64(4 [pid 3546] chdir("./664" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3546] <... chdir resumed>) = 0 [pid 309] getdents64(4 [pid 3546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3546] <... prctl resumed>) = 0 [pid 309] close(4 [pid 3546] setpgid(0, 0 [pid 309] <... close resumed>) = 0 [pid 3546] <... setpgid resumed>) = 0 [pid 309] rmdir("./651/config" [pid 3546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3546] write(3, "1000", 4 [pid 309] <... rmdir resumed>) = 0 [pid 3546] <... write resumed>) = 4 [pid 309] getdents64(3 [pid 3546] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3546] <... close resumed>) = 0 [pid 309] close(3 [pid 3546] symlink("/dev/binderfs", "./binderfs" [pid 309] <... close resumed>) = 0 [pid 3546] <... symlink resumed>) = 0 [pid 309] rmdir("./651" [pid 3546] write(1, "executing program\n", 18) = 18 executing program [pid 3546] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3546] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] mkdir("./652", 0777 [pid 3546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 3546] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3546] <... symlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3546] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3546] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3546] exit_group(0) = ? [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3547 [pid 307] umount2("./639", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./639", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3546] +++ exited with 0 +++ [pid 307] fstat(3ci2-android-6-1/strace-static-x86_64: Process 3547 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... restart_syscall resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 3547] set_robust_list(0x55556c898760, 24 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3547] <... set_robust_list resumed>) = 0 [pid 307] umount2("./639/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./616", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./639/binderfs" [pid 306] openat(AT_FDCWD, "./616", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 307] unlink("./639/binderfs" [pid 306] fstat(3 [pid 3547] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... unlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./639/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 3547] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3547] chdir("./652" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./616/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3547] <... chdir resumed>) = 0 [pid 307] umount2("./639/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3547] <... prctl resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3547] setpgid(0, 0 [pid 306] newfstatat(AT_FDCWD, "./616/binderfs" [pid 3547] <... setpgid resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./639/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] unlink("./616/binderfs" [pid 307] umount2("./639/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./616/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./639/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] <... umount2 resumed>) = 0 [pid 307] fstat(4 [pid 306] umount2("./616/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3547] <... openat resumed>) = 3 [pid 307] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./616/config" [pid 3547] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3547] <... write resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 3547] close(3 [pid 306] umount2("./616/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3547] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3547] symlink("/dev/binderfs", "./binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 306] openat(AT_FDCWD, "./616/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 307] rmdir("./639/config" [pid 306] fstat(4 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 306] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3547] <... symlink resumed>) = 0 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 307] rmdir("./639" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3547] write(1, "executing program\n", 18) = 18 [pid 3547] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 307] mkdir("./640", 0777 [pid 306] <... close resumed>) = 0 executing program [pid 3547] <... mkdirat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] rmdir("./616/config" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3547] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 308] umount2("./660", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3547] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3547] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] openat(AT_FDCWD, "./660", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3548 [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 306] <... close resumed>) = 0 [pid 310] umount2("./664", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./616" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 3547] <... symlinkat resumed>) = 0 [pid 3547] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] openat(AT_FDCWD, "./664", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 306] mkdir("./617", 0777 [pid 310] fstat(3 [pid 308] umount2("./660/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3547] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3547] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./660/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./664/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./660/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3547] <... exit_group resumed>) = ? [pid 3547] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./664/binderfs" [pid 308] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3548 attached [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./664/binderfs" [pid 308] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3549 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3548] set_robust_list(0x55556c898760, 24 [pid 310] <... unlink resumed>) = 0 [pid 3548] <... set_robust_list resumed>) = 0 [pid 310] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./660/config" [pid 310] newfstatat(AT_FDCWD, "./664/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3548] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./660/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./664/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3548] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 310] fstat(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 3548] chdir("./640" [pid 310] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3548] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 3548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 310] close(4 [pid 3548] setpgid(0, 0 [pid 308] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] rmdir("./660/config" [pid 310] rmdir("./664/config" [pid 3548] <... setpgid resumed>) = 0 [pid 3548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3548] write(3, "1000", 4 [pid 308] <... rmdir resumed>) = 0 [pid 3548] <... write resumed>) = 4 [pid 3548] close(3) = 0 [pid 3548] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3 executing program [pid 310] getdents64(3 [pid 3548] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] umount2("./652", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 308] close(3 [pid 310] rmdir("./664" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3548] write(1, "executing program\n", 18) = 18 [pid 3548] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] openat(AT_FDCWD, "./652", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 3548] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] rmdir("./660" [pid 310] mkdir("./665", 0777 [pid 309] fstat(3 [pid 3548] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3548] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] mkdir("./661", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3548] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3548] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./652/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./652/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3548] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3550 [pid 309] unlink("./652/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3549 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3548] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... unlink resumed>) = 0 [pid 3549] set_robust_list(0x55556c898760, 24) = 0 [pid 3549] rt_sigprocmask(SIG_SETMASK, [] [pid 3548] exit_group(0 [pid 3549] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3549] chdir("./617" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3548] <... exit_group resumed>) = ? [pid 3549] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3551 [pid 309] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3550 attached [pid 3548] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./652/config" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3549] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] openat(AT_FDCWD, "./652/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3549] <... prctl resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 3549] setpgid(0, 0 [pid 309] fstat(4 [pid 3549] <... setpgid resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 3549] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3549] write(3, "1000", 4 [pid 309] getdents64(4 [pid 3549] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3549] close(3 [pid 309] close(4 [pid 3549] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 3549] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 309] rmdir("./652/config" [pid 3549] write(1, "executing program\n", 18) = 18 [pid 3549] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3550] set_robust_list(0x55556c898760, 24 [pid 309] getdents64(3 [pid 3549] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3549] <... mount resumed>) = 0 [pid 309] close(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 3549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./652" [pid 3549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./640", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./653", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3549] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3549] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./640", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3549] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3549] exit_group(0) = ? [pid 3550] <... set_robust_list resumed>) = 0 [pid 3549] +++ exited with 0 +++ [pid 307] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 3551 attached [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3552 [pid 307] umount2("./640/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3551] set_robust_list(0x55556c898760, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./640/binderfs" [pid 306] umount2("./617", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./640/binderfs" [pid 306] openat(AT_FDCWD, "./617", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3551] <... set_robust_list resumed>) = 0 [pid 3551] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... unlink resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 307] umount2("./640/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 3551] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3551] chdir("./661" [pid 307] <... umount2 resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./640/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3551] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] newfstatat(AT_FDCWD, "./640/config" [pid 306] umount2("./617/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 3552 attached [pid 3551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] umount2("./640/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./617/binderfs" [pid 307] openat(AT_FDCWD, "./640/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3551] <... prctl resumed>) = 0 [pid 3551] setpgid(0, 0) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] unlink("./617/binderfs" [pid 307] fstat(4 [pid 3551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3550] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... unlink resumed>) = 0 [pid 307] getdents64(4 [pid 3550] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./617/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3551] write(3, "1000", 4) = 4 [pid 3551] close(3 [pid 306] <... umount2 resumed>) = 0 [pid 307] getdents64(4 [pid 306] umount2("./617/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3550] chdir("./665" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3552] set_robust_list(0x55556c898760, 24 [pid 3551] <... close resumed>) = 0 [pid 307] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3550] <... chdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 3550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] newfstatat(AT_FDCWD, "./617/config" [pid 307] rmdir("./640/config" [pid 3550] <... prctl resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3552] <... set_robust_list resumed>) = 0 [pid 3551] symlink("/dev/binderfs", "./binderfs" [pid 3552] rt_sigprocmask(SIG_SETMASK, [] [pid 3551] <... symlink resumed>) = 0 [pid 3550] setpgid(0, 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./617/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 3552] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3551] write(1, "executing program\n", 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3550] <... setpgid resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./617/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(3 [pid 3552] chdir("./653" [pid 3551] <... write resumed>) = 18 [pid 306] <... openat resumed>) = 4 [pid 3550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... close resumed>) = 0 [pid 306] fstat(4 [pid 307] rmdir("./640" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3552] <... chdir resumed>) = 0 executing program [pid 3551] mkdirat(AT_FDCWD, "./config", 0777 [pid 3552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3551] <... mkdirat resumed>) = 0 [pid 3550] <... openat resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 307] mkdir("./641", 0777 [pid 3552] <... prctl resumed>) = 0 [pid 3551] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3552] setpgid(0, 0 [pid 3551] <... mount resumed>) = 0 [pid 3552] <... setpgid resumed>) = 0 [pid 3551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3551] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3550] write(3, "1000", 4 [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 3552] <... openat resumed>) = 3 [pid 3551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3550] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3550] close(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3552] write(3, "1000", 4 [pid 3551] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3550] <... close resumed>) = 0 [pid 306] close(4 [pid 3552] <... write resumed>) = 4 [pid 3551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3552] close(3 [pid 3551] <... mkdirat resumed>) = 0 [pid 3552] <... close resumed>) = 0 executing program [pid 3551] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3552] symlink("/dev/binderfs", "./binderfs" [pid 3551] <... symlinkat resumed>) = 0 [pid 3550] symlink("/dev/binderfs", "./binderfs" [pid 306] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3553 [pid 306] rmdir("./617/config" [pid 3552] <... symlink resumed>) = 0 [pid 3551] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3552] write(1, "executing program\n", 18 [pid 3551] <... unlinkat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3552] <... write resumed>) = 18 [pid 3551] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3550] <... symlink resumed>) = 0 [pid 306] getdents64(3 [pid 3552] mkdirat(AT_FDCWD, "./config", 0777 [pid 3551] <... unlinkat resumed>) = 0 [pid 3550] write(1, "executing program\n", 18 [pid 3552] <... mkdirat resumed>) = 0 [pid 3551] exit_group(0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3552] mount(NULL, "./config", "configfs", 0, NULL [pid 3551] <... exit_group resumed>) = ? executing program [pid 3550] <... write resumed>) = 18 [pid 306] close(3 [pid 3552] <... mount resumed>) = 0 [pid 3551] +++ exited with 0 +++ [pid 306] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./617" [pid 3550] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 3552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] mkdir("./618", 0777 [pid 3552] <... mkdirat resumed>) = 0 [pid 3552] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3552] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3550] <... mkdirat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3552] <... unlinkat resumed>) = 0 [pid 3550] mount(NULL, "./config", "configfs", 0, NULL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3552] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3552] exit_group(0) = ? [pid 3552] +++ exited with 0 +++ [pid 3550] <... mount resumed>) = 0 [pid 3550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3554 ci2-android-6-1/strace-static-x86_64: Process 3554 attached ci2-android-6-1/strace-static-x86_64: Process 3553 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3553] set_robust_list(0x55556c898760, 24 [pid 3550] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3553] <... set_robust_list resumed>) = 0 [pid 308] umount2("./661", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./653", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./661", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./653", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3553] rt_sigprocmask(SIG_SETMASK, [] [pid 3550] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 3553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 308] fstat(3 [pid 3550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3553] chdir("./641" [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 3553] <... chdir resumed>) = 0 [pid 3553] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3553] setpgid(0, 0) = 0 [pid 3553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3553] write(3, "1000", 4) = 4 [pid 3553] close(3) = 0 [pid 3553] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./653/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./661/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./653/binderfs" [pid 308] newfstatat(AT_FDCWD, "./661/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3550] <... mkdirat resumed>) = 0 [pid 3553] write(1, "executing program\n", 18 [pid 309] unlink("./653/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3553] <... write resumed>) = 18 [pid 3553] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... unlink resumed>) = 0 [pid 308] unlink("./661/binderfs" [pid 3550] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3553] <... mkdirat resumed>) = 0 [pid 3550] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 3550] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3553] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3553] <... mount resumed>) = 0 [pid 3550] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3550] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./653/config" [pid 308] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./661/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./653/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 308] openat(AT_FDCWD, "./661/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3550] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 308] fstat(4 [pid 3553] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3550] exit_group(0 [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] close(4 [pid 3550] <... exit_group resumed>) = ? [pid 308] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./653/config" [pid 308] close(4 [pid 3553] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3554] set_robust_list(0x55556c898760, 24 executing program [pid 3553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3554] <... set_robust_list resumed>) = 0 [pid 3553] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] rmdir("./661/config" [pid 3550] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3554] rt_sigprocmask(SIG_SETMASK, [] [pid 3553] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 3554] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3553] <... symlinkat resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./653" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3554] chdir("./618" [pid 3553] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 3554] <... chdir resumed>) = 0 [pid 3553] <... unlinkat resumed>) = 0 [pid 309] mkdir("./654", 0777 [pid 308] <... close resumed>) = 0 [pid 3554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3553] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rmdir("./661" [pid 3554] <... prctl resumed>) = 0 [pid 3553] <... unlinkat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 3554] setpgid(0, 0 [pid 3553] exit_group(0 [pid 3554] <... setpgid resumed>) = 0 [pid 3553] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rmdir resumed>) = 0 [pid 3554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3553] +++ exited with 0 +++ [pid 308] mkdir("./662", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3554] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... mkdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3554] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3554] <... write resumed>) = 4 [pid 3554] close(3) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3555 attached [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3555 executing program [pid 3554] symlink("/dev/binderfs", "./binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3555] set_robust_list(0x55556c898760, 24 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3554] <... symlink resumed>) = 0 [pid 3554] write(1, "executing program\n", 18ci2-android-6-1/strace-static-x86_64: Process 3556 attached [pid 3555] <... set_robust_list resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3556 [pid 3556] set_robust_list(0x55556c898760, 24 [pid 3555] rt_sigprocmask(SIG_SETMASK, [] [pid 3554] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3556] <... set_robust_list resumed>) = 0 [pid 3555] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3556] rt_sigprocmask(SIG_SETMASK, [] [pid 3555] chdir("./654" [pid 3554] mkdirat(AT_FDCWD, "./config", 0777 [pid 3556] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3555] <... chdir resumed>) = 0 [pid 3556] chdir("./662" [pid 3555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3554] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3555] <... prctl resumed>) = 0 [pid 3556] <... chdir resumed>) = 0 [pid 3555] setpgid(0, 0 [pid 3556] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3555] <... setpgid resumed>) = 0 [pid 3554] mount(NULL, "./config", "configfs", 0, NULL [pid 3556] <... prctl resumed>) = 0 [pid 3555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3554] <... mount resumed>) = 0 [pid 310] umount2("./665", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./641", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3556] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./665", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./641", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 307] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3556] <... setpgid resumed>) = 0 [pid 3555] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 3555] write(3, "1000", 4 [pid 307] getdents64(3 [pid 3556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3555] <... write resumed>) = 4 [pid 3554] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./665/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3556] <... openat resumed>) = 3 [pid 3555] close(3 [pid 3554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3556] write(3, "1000", 4 [pid 3555] <... close resumed>) = 0 [pid 3554] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./641/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3556] <... write resumed>) = 4 [pid 3555] symlink("/dev/binderfs", "./binderfs" [pid 3554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] newfstatat(AT_FDCWD, "./665/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3556] close(3 [pid 3555] <... symlink resumed>) = 0 [pid 3554] <... mkdirat resumed>) = 0 [pid 3556] <... close resumed>) = 0 [pid 3555] write(1, "executing program\n", 18 executing program [pid 3554] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./641/binderfs" [pid 3556] symlink("/dev/binderfs", "./binderfs" [pid 3555] <... write resumed>) = 18 [pid 3554] <... symlinkat resumed>) = 0 [pid 3555] mkdirat(AT_FDCWD, "./config", 0777 [pid 3554] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] unlink("./665/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3554] <... unlinkat resumed>) = 0 [pid 3554] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3555] <... mkdirat resumed>) = 0 [pid 3556] <... symlink resumed>) = 0 [pid 3554] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] unlink("./641/binderfs" [pid 3556] write(1, "executing program\n", 18 [pid 3555] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 3554] exit_group(0 [pid 310] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3554] <... exit_group resumed>) = ? [pid 307] <... unlink resumed>) = 0 [pid 3556] <... write resumed>) = 18 [pid 3555] <... mount resumed>) = 0 [pid 3554] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = 0 [pid 3555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./641/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3556] mkdirat(AT_FDCWD, "./config", 0777 [pid 3555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./665/config" [pid 307] <... umount2 resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./641/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./641/config" [pid 310] openat(AT_FDCWD, "./665/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] umount2("./641/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./641/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 3555] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 3556] <... mkdirat resumed>) = 0 [pid 3555] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3556] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(4 [pid 3555] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 3556] <... mount resumed>) = 0 [pid 3555] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 310] rmdir("./665/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3555] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 3556] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... close resumed>) = 0 [pid 3555] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 307] rmdir("./641/config" [pid 3556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3555] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3555] exit_group(0 [pid 310] close(3 [pid 3555] <... exit_group resumed>) = ? [pid 307] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./665" [pid 307] close(3 [pid 3556] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 3556] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] mkdir("./666", 0777 [pid 307] rmdir("./641" [pid 3556] <... symlinkat resumed>) = 0 [pid 3555] +++ exited with 0 +++ [pid 3556] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3556] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 3556] exit_group(0) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rmdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] mkdir("./642", 0777 [pid 3556] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3557 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3558 attached [pid 3557] set_robust_list(0x55556c898760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3557 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3558] set_robust_list(0x55556c898760, 24 [pid 3557] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3558 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3558] <... set_robust_list resumed>) = 0 [pid 3557] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3557] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3558] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3557] chdir("./666" [pid 306] <... restart_syscall resumed>) = 0 [pid 309] umount2("./654", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] umount2("./662", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./654", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3557] <... chdir resumed>) = 0 [pid 306] umount2("./618", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./662", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3557] <... prctl resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 3558] chdir("./642" [pid 3557] setpgid(0, 0 [pid 306] openat(AT_FDCWD, "./618", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3558] <... chdir resumed>) = 0 [pid 3557] <... setpgid resumed>) = 0 [pid 309] getdents64(3 [pid 308] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 3558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 3558] <... prctl resumed>) = 0 [pid 3557] <... openat resumed>) = 3 [pid 309] umount2("./654/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 3558] setpgid(0, 0 [pid 3557] write(3, "1000", 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] newfstatat(AT_FDCWD, "./654/binderfs" [pid 306] getdents64(3 [pid 3558] <... setpgid resumed>) = 0 [pid 3557] <... write resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./662/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3557] close(3 [pid 309] unlink("./654/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3557] <... close resumed>) = 0 [pid 306] umount2("./618/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3557] symlink("/dev/binderfs", "./binderfs" [pid 309] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./662/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./618/binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 308] unlink("./662/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3558] <... openat resumed>) = 3 [pid 3557] <... symlink resumed>) = 0 [pid 309] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 306] unlink("./618/binderfs" [pid 3558] write(3, "1000", 4 [pid 3557] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 3558] <... write resumed>) = 4 [pid 3557] <... write resumed>) = 18 [pid 309] newfstatat(AT_FDCWD, "./654/config" [pid 308] <... umount2 resumed>) = 0 [pid 3558] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./618/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 3557] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 309] openat(AT_FDCWD, "./654/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./618/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3558] <... close resumed>) = 0 [pid 3557] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./662/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3558] symlink("/dev/binderfs", "./binderfs" [pid 3557] mount(NULL, "./config", "configfs", 0, NULL [pid 309] fstat(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./618/config" [pid 308] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./618/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3557] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./662/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3558] <... symlink resumed>) = 0 [pid 3557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(4 [pid 308] <... openat resumed>) = 4 [pid 3558] write(1, "executing program\n", 18 [pid 3557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./618/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(4 [pid 3558] <... write resumed>) = 18 [pid 3557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 executing program [pid 3558] mkdirat(AT_FDCWD, "./config", 0777 [pid 3557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 306] fstat(4 [pid 3558] <... mkdirat resumed>) = 0 [pid 3557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rmdir("./654/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3558] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 306] getdents64(4 [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3558] <... mount resumed>) = 0 [pid 3557] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... close resumed>) = 0 [pid 3557] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] close(3 [pid 308] rmdir("./662/config" [pid 306] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 3558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rmdir("./654" [pid 308] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3558] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3557] <... symlinkat resumed>) = 0 [pid 3558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3557] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 306] close(4 [pid 3558] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3557] <... unlinkat resumed>) = 0 [pid 309] mkdir("./655", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3557] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... close resumed>) = 0 [pid 3558] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 308] close(3 [pid 306] rmdir("./618/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 3558] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rmdir("./662" [pid 306] <... rmdir resumed>) = 0 [pid 3558] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3557] <... unlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(3 [pid 3558] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3558] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3558] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 3558] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 3559 attached ) = ? [pid 3557] exit_group(0 [pid 308] mkdir("./663", 0777 [pid 306] close(3 [pid 3559] set_robust_list(0x55556c898760, 24 [pid 3557] <... exit_group resumed>) = ? [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3559 [pid 3558] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3557] +++ exited with 0 +++ [pid 3559] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./618" [pid 3559] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3559] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3559] chdir("./655" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 3559] <... chdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] mkdir("./619", 0777 [pid 3559] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3559] setpgid(0, 0) = 0 [pid 3559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3559] write(3, "1000", 4 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3560 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 3560 attached [pid 3559] <... write resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3560] set_robust_list(0x55556c898760, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3559] close(3) = 0 [pid 3559] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 3559] write(1, "executing program\n", 18 [pid 3560] <... set_robust_list resumed>) = 0 [pid 3559] <... write resumed>) = 18 ci2-android-6-1/strace-static-x86_64: Process 3561 attached [pid 3560] rt_sigprocmask(SIG_SETMASK, [] [pid 3559] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3561 [pid 3561] set_robust_list(0x55556c898760, 24 [pid 3560] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3561] <... set_robust_list resumed>) = 0 [pid 3560] chdir("./663" [pid 3559] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3560] <... chdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3561] rt_sigprocmask(SIG_SETMASK, [] [pid 3560] <... prctl resumed>) = 0 [pid 3559] mount(NULL, "./config", "configfs", 0, NULL [pid 3561] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3560] setpgid(0, 0 [pid 3561] chdir("./619" [pid 3560] <... setpgid resumed>) = 0 [pid 3559] <... mount resumed>) = 0 [pid 3560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3561] <... chdir resumed>) = 0 [pid 3561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3560] <... openat resumed>) = 3 [pid 3559] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3560] write(3, "1000", 4 [pid 3561] <... prctl resumed>) = 0 [pid 3560] <... write resumed>) = 4 [pid 3561] setpgid(0, 0 [pid 3560] close(3 [pid 3561] <... setpgid resumed>) = 0 [pid 3561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3560] <... close resumed>) = 0 [pid 3559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3560] symlink("/dev/binderfs", "./binderfs" [pid 3559] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3560] <... symlink resumed>) = 0 [pid 3559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3561] <... openat resumed>) = 3 [pid 3560] write(1, "executing program\n", 18 [pid 3561] write(3, "1000", 4 [pid 3560] <... write resumed>) = 18 [pid 3561] <... write resumed>) = 4 executing program [pid 3561] close(3 [pid 3560] mkdirat(AT_FDCWD, "./config", 0777 [pid 3559] <... mkdirat resumed>) = 0 [pid 3559] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3560] <... mkdirat resumed>) = 0 [pid 3561] <... close resumed>) = 0 [pid 3560] mount(NULL, "./config", "configfs", 0, NULL [pid 3561] symlink("/dev/binderfs", "./binderfs" [pid 3560] <... mount resumed>) = 0 [pid 3559] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3561] <... symlink resumed>) = 0 [pid 3560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3561] write(1, "executing program\n", 18 executing program [pid 3560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3561] <... write resumed>) = 18 [pid 3560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3559] <... unlinkat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3561] mkdirat(AT_FDCWD, "./config", 0777 [pid 3560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3559] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3559] <... unlinkat resumed>) = 0 [pid 3561] <... mkdirat resumed>) = 0 [pid 3560] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3559] exit_group(0 [pid 310] umount2("./666", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./642", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3561] mount(NULL, "./config", "configfs", 0, NULL [pid 3560] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3559] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3561] <... mount resumed>) = 0 [pid 3560] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3559] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./666", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./642", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3560] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 3561] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3560] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] fstat(3 [pid 3561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3560] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3560] exit_group(0 [pid 3561] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 307] getdents64(3 [pid 3561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3560] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./666/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 307] umount2("./642/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./666/binderfs" [pid 307] newfstatat(AT_FDCWD, "./642/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./655", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3560] +++ exited with 0 +++ [pid 310] unlink("./666/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./642/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./655", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3561] <... mkdirat resumed>) = 0 [pid 310] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 307] umount2("./642/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3561] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = 0 [pid 309] fstat(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = 0 [pid 310] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./642/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./642/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3561] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 307] umount2("./642/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3561] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./666/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3561] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./655/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 307] openat(AT_FDCWD, "./642/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3561] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./655/binderfs" [pid 307] fstat(4 [pid 3561] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./666/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./663", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3561] exit_group(0 [pid 310] <... openat resumed>) = 4 [pid 309] unlink("./655/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 3561] <... exit_group resumed>) = ? [pid 310] fstat(4 [pid 309] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./663", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 307] close(4 [pid 3561] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./655/config" [pid 308] getdents64(3 [pid 307] rmdir("./642/config" [pid 310] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 309] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./663/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 310] rmdir("./666/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./655/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(3 [pid 310] getdents64(3 [pid 309] <... openat resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./663/binderfs" [pid 307] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./642" [pid 310] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./663/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] mkdir("./643", 0777 [pid 310] rmdir("./666" [pid 309] getdents64(4 [pid 308] <... unlink resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3562 attached [pid 310] mkdir("./667", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3562 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 309] close(4 [pid 308] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3562] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3562] <... set_robust_list resumed>) = 0 [pid 309] rmdir("./655/config" [pid 308] newfstatat(AT_FDCWD, "./663/config" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3562] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3562] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3563 attached [pid 3562] chdir("./643" [pid 309] getdents64(3 [pid 308] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3563] set_robust_list(0x55556c898760, 24 [pid 3562] <... chdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3563 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3563] <... set_robust_list resumed>) = 0 [pid 3562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 308] openat(AT_FDCWD, "./663/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 3563] rt_sigprocmask(SIG_SETMASK, [] [pid 3562] <... prctl resumed>) = 0 [pid 309] rmdir("./655" [pid 308] <... openat resumed>) = 4 [pid 3563] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3562] setpgid(0, 0) = 0 [pid 3562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] fstat(4 [pid 3562] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3563] chdir("./667" [pid 3562] write(3, "1000", 4 [pid 309] mkdir("./656", 0777 [pid 308] getdents64(4 [pid 3563] <... chdir resumed>) = 0 [pid 3562] <... write resumed>) = 4 [pid 3562] close(3) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 3563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3563] <... prctl resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3563] setpgid(0, 0 [pid 308] getdents64(4 [pid 3563] <... setpgid resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3562] symlink("/dev/binderfs", "./binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(4 [pid 3562] <... symlink resumed>) = 0 [pid 3562] write(1, "executing program\n", 18 [pid 308] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3564 [pid 308] rmdir("./663/config" executing program [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3562] <... write resumed>) = 18 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 3563] <... openat resumed>) = 3 [pid 3562] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3563] write(3, "1000", 4) = 4 [pid 3562] <... mkdirat resumed>) = 0 [pid 308] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 3563] close(3 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./663" [pid 3563] <... close resumed>) = 0 [pid 3562] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3563] symlink("/dev/binderfs", "./binderfs" [pid 306] umount2("./619", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./664", 0777 [pid 3562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3562] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./619", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3562] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3563] <... symlink resumed>) = 0 [pid 3562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 3563] write(1, "executing program\n", 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3 [pid 3563] <... write resumed>) = 18 executing program [pid 3562] <... mkdirat resumed>) = 0 [pid 3562] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 3565 attached [pid 3563] mkdirat(AT_FDCWD, "./config", 0777 [pid 3562] <... symlinkat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3565 [pid 306] getdents64(3 [pid 3562] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./619/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3565] set_robust_list(0x55556c898760, 24 [pid 3563] <... mkdirat resumed>) = 0 [pid 3562] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3565] <... set_robust_list resumed>) = 0 [pid 3563] mount(NULL, "./config", "configfs", 0, NULL [pid 3562] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3565] rt_sigprocmask(SIG_SETMASK, [] [pid 3563] <... mount resumed>) = 0 [pid 3562] <... unlinkat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./619/binderfs" [pid 3565] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3562] exit_group(0 [pid 3565] chdir("./664" [pid 3563] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3562] <... exit_group resumed>) = ? [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3565] <... chdir resumed>) = 0 [pid 3563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3562] +++ exited with 0 +++ [pid 3565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3563] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] unlink("./619/binderfs" [pid 3565] <... prctl resumed>) = 0 [pid 3563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] umount2("./643", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 3565] setpgid(0, 0 [pid 3563] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./619/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3565] <... setpgid resumed>) = 0 [pid 3563] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] openat(AT_FDCWD, "./643", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3563] <... symlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = 0 [pid 3565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3563] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] fstat(3 [pid 3563] <... unlinkat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./619/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3564 attached [pid 3565] <... openat resumed>) = 3 [pid 3563] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] getdents64(3 [pid 3565] write(3, "1000", 4 [pid 3563] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3565] <... write resumed>) = 4 [pid 3564] set_robust_list(0x55556c898760, 24 [pid 3563] exit_group(0 [pid 307] umount2("./643/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3565] close(3 [pid 3564] <... set_robust_list resumed>) = 0 [pid 3563] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./619/config" [pid 307] newfstatat(AT_FDCWD, "./643/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./643/binderfs" [pid 3563] +++ exited with 0 +++ [pid 3565] <... close resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] umount2("./619/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3565] symlink("/dev/binderfs", "./binderfs" [pid 3564] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./643/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3565] <... symlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3563, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3565] write(1, "executing program\n", 18 [pid 3564] chdir("./656" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./643/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3565] <... write resumed>) = 18 [pid 3564] <... chdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./619/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3565] mkdirat(AT_FDCWD, "./config", 0777 [pid 3564] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 307] newfstatat(AT_FDCWD, "./643/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 4 [pid 3564] <... prctl resumed>) = 0 [pid 307] umount2("./643/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 3565] <... mkdirat resumed>) = 0 [pid 3564] setpgid(0, 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3565] mount(NULL, "./config", "configfs", 0, NULL [pid 3564] <... setpgid resumed>) = 0 [pid 307] openat(AT_FDCWD, "./643/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3565] <... mount resumed>) = 0 [pid 3564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... openat resumed>) = 4 [pid 3565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3564] <... openat resumed>) = 3 [pid 307] fstat(4 [pid 306] getdents64(4 [pid 3565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3564] write(3, "1000", 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3564] <... write resumed>) = 4 [pid 307] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3564] close(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3564] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3565] <... mkdirat resumed>) = 0 [pid 3564] symlink("/dev/binderfs", "./binderfs" [pid 307] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3565] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... close resumed>) = 0 [pid 3564] <... symlink resumed>) = 0 [pid 307] rmdir("./643/config" [pid 306] close(4 [pid 3565] <... symlinkat resumed>) = 0 [pid 3564] write(1, "executing program\n", 18 [pid 307] <... rmdir resumed>) = 0 executing program [pid 3565] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3564] <... write resumed>) = 18 [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 3564] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./619/config" [pid 3565] <... unlinkat resumed>) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./643" [pid 3564] <... mkdirat resumed>) = 0 [pid 3565] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3565] <... unlinkat resumed>) = 0 [pid 3564] mount(NULL, "./config", "configfs", 0, NULL [pid 307] mkdir("./644", 0777 [pid 3565] exit_group(0 [pid 3564] <... mount resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 3565] <... exit_group resumed>) = ? [pid 3564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3566 attached [pid 3565] +++ exited with 0 +++ [pid 3564] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] close(3 [pid 3566] set_robust_list(0x55556c898760, 24 [pid 3564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3566 [pid 3566] <... set_robust_list resumed>) = 0 [pid 3564] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 3564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./619" [pid 3566] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3566] chdir("./644" [pid 306] <... rmdir resumed>) = 0 [pid 3566] <... chdir resumed>) = 0 [pid 306] mkdir("./620", 0777 [pid 3566] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3566] setpgid(0, 0) = 0 [pid 3566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3564] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3566] write(3, "1000", 4 [pid 3564] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3566] <... write resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3566] close(3 [pid 310] umount2("./667", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3564] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3566] <... close resumed>) = 0 [pid 3566] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3564] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./667", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 3567 attached [pid 3567] set_robust_list(0x55556c898760, 24 [pid 3566] write(1, "executing program\n", 18 [pid 3564] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3567 [pid 3567] <... set_robust_list resumed>) = 0 [pid 3564] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3567] rt_sigprocmask(SIG_SETMASK, [] [pid 3566] <... write resumed>) = 18 [pid 3564] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3567] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3567] chdir("./620" [pid 3566] mkdirat(AT_FDCWD, "./config", 0777 [pid 3564] exit_group(0 [pid 310] getdents64(3 [pid 3567] <... chdir resumed>) = 0 [pid 3566] <... mkdirat resumed>) = 0 [pid 3564] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3566] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3567] <... prctl resumed>) = 0 [pid 3566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3564] +++ exited with 0 +++ [pid 310] umount2("./667/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3567] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3567] <... setpgid resumed>) = 0 [pid 3566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./667/binderfs" [pid 3567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./667/binderfs" [pid 309] umount2("./656", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3567] <... openat resumed>) = 3 [pid 310] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3567] write(3, "1000", 4 [pid 309] openat(AT_FDCWD, "./656", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3567] <... write resumed>) = 4 [pid 3566] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 3567] close(3 [pid 310] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3567] <... close resumed>) = 0 [pid 309] fstat(3 [pid 3567] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./667/config" [pid 309] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3566] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3567] <... symlink resumed>) = 0 [pid 3566] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./656/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3567] write(1, "executing program\n", 18 [pid 3566] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./667/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3567] <... write resumed>) = 18 [pid 310] <... openat resumed>) = 4 executing program [pid 309] newfstatat(AT_FDCWD, "./656/binderfs" [pid 3567] mkdirat(AT_FDCWD, "./config", 0777 [pid 3566] <... unlinkat resumed>) = 0 [pid 310] fstat(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] unlink("./656/binderfs" [pid 310] getdents64(4 [pid 3566] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... unlink resumed>) = 0 [pid 3567] <... mkdirat resumed>) = 0 [pid 3566] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3567] mount(NULL, "./config", "configfs", 0, NULL [pid 3566] exit_group(0 [pid 310] getdents64(4 [pid 308] umount2("./664", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3567] <... mount resumed>) = 0 [pid 3566] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 3567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3566] +++ exited with 0 +++ [pid 310] close(4 [pid 309] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./664", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./667/config" [pid 309] newfstatat(AT_FDCWD, "./656/config" [pid 308] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... restart_syscall resumed>) = 0 [pid 3567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(3 [pid 310] getdents64(3 [pid 309] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] umount2("./644", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3567] <... mkdirat resumed>) = 0 [pid 310] close(3 [pid 309] openat(AT_FDCWD, "./656/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3567] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] umount2("./664/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./644", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3567] <... symlinkat resumed>) = 0 [pid 310] rmdir("./667" [pid 309] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 3567] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] fstat(3 [pid 3567] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./664/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3567] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] mkdir("./668", 0777 [pid 309] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./644/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] unlink("./664/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3567] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 308] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./644/binderfs" [pid 3567] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3567] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(4 [pid 308] <... umount2 resumed>) = 0 [pid 307] unlink("./644/binderfs") = 0 [pid 307] umount2("./644/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 309] rmdir("./656/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./644/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3568 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./644/config" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./664/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./644/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3568 attached [pid 3567] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3568] set_robust_list(0x55556c898760, 24 [pid 309] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./644/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3568] <... set_robust_list resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./664/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 4 [pid 309] rmdir("./656" [pid 308] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3568] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3568] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] fstat(4 [pid 307] getdents64(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3568] chdir("./668" [pid 309] mkdir("./657", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3568] <... chdir resumed>) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 3568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... mkdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 3568] <... prctl resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rmdir("./644/config" [pid 3568] setpgid(0, 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 3568] <... setpgid resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./644"ci2-android-6-1/strace-static-x86_64: Process 3569 attached [pid 3568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] close(4 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3569 [pid 308] <... close resumed>) = 0 [pid 307] mkdir("./645", 0777 [pid 3569] set_robust_list(0x55556c898760, 24 [pid 3568] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./664/config" [pid 307] <... mkdir resumed>) = 0 [pid 3569] <... set_robust_list resumed>) = 0 [pid 3568] write(3, "1000", 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3569] rt_sigprocmask(SIG_SETMASK, [] [pid 3568] <... write resumed>) = 4 [pid 308] getdents64(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3570 attached [pid 3569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3568] close(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3570] set_robust_list(0x55556c898760, 24 [pid 3569] chdir("./657" [pid 3568] <... close resumed>) = 0 [pid 308] close(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3570 [pid 3570] <... set_robust_list resumed>) = 0 [pid 3569] <... chdir resumed>) = 0 [pid 3568] symlink("/dev/binderfs", "./binderfs" [pid 308] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3569] <... prctl resumed>) = 0 [pid 3568] <... symlink resumed>) = 0 [pid 308] rmdir("./664" [pid 3570] rt_sigprocmask(SIG_SETMASK, [] [pid 3569] setpgid(0, 0 executing program [pid 3568] write(1, "executing program\n", 18 [pid 3570] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3568] <... write resumed>) = 18 [pid 308] <... rmdir resumed>) = 0 [pid 3569] <... setpgid resumed>) = 0 [pid 3570] chdir("./645" [pid 3569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3568] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] mkdir("./665", 0777 [pid 3570] <... chdir resumed>) = 0 [pid 3570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3568] <... mkdirat resumed>) = 0 [pid 3570] <... prctl resumed>) = 0 [pid 3570] setpgid(0, 0) = 0 [pid 3570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3568] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... mkdir resumed>) = 0 [pid 3569] <... openat resumed>) = 3 [pid 3570] <... openat resumed>) = 3 [pid 3569] write(3, "1000", 4 [pid 3568] <... mount resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3570] write(3, "1000", 4 [pid 3569] <... write resumed>) = 4 [pid 3568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3569] close(3 [pid 3568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3570] <... write resumed>) = 4 [pid 3570] close(3) = 0 [pid 3569] <... close resumed>) = 0 [pid 3568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3570] symlink("/dev/binderfs", "./binderfs" [pid 3569] symlink("/dev/binderfs", "./binderfs" [pid 3568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3571 [pid 3570] <... symlink resumed>) = 0 [pid 3568] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3568] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3569] <... symlink resumed>) = 0 [pid 3570] write(1, "executing program\n", 18 [pid 3569] write(1, "executing program\n", 18 [pid 3568] <... symlinkat resumed>) = 0 [pid 3570] <... write resumed>) = 18 [pid 3569] <... write resumed>) = 18 executing program executing program [pid 3568] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3570] mkdirat(AT_FDCWD, "./config", 0777 [pid 3568] <... unlinkat resumed>) = 0 [pid 3569] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 3568] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3570] <... mkdirat resumed>) = 0 [pid 3568] <... unlinkat resumed>) = 0 [pid 3570] mount(NULL, "./config", "configfs", 0, NULL [pid 3568] exit_group(0 [pid 306] umount2("./620", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3568] <... exit_group resumed>) = ? [pid 3569] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3570] <... mount resumed>) = 0 [pid 3570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3568] +++ exited with 0 +++ [pid 3569] mount(NULL, "./config", "configfs", 0, NULL [pid 306] openat(AT_FDCWD, "./620", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3570] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 3 [pid 3569] <... mount resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] fstat(3 [pid 3570] <... mkdirat resumed>) = 0 [pid 3569] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] getdents64(3 [pid 3570] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3569] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3570] <... symlinkat resumed>) = 0 [pid 3569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] umount2("./620/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3570] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3569] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3570] <... unlinkat resumed>) = 0 [pid 3569] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] newfstatat(AT_FDCWD, "./620/binderfs" [pid 3570] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3569] <... symlinkat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3569] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] unlink("./620/binderfs" [pid 3570] <... unlinkat resumed>) = 0 [pid 3569] <... unlinkat resumed>) = 0 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3571 attached [pid 3570] exit_group(0 [pid 3569] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3571] set_robust_list(0x55556c898760, 24 [pid 306] umount2("./620/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3571] <... set_robust_list resumed>) = 0 [pid 3569] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3570] <... exit_group resumed>) = ? [pid 3569] exit_group(0 [pid 306] <... umount2 resumed>) = 0 [pid 3571] rt_sigprocmask(SIG_SETMASK, [] [pid 3569] <... exit_group resumed>) = ? [pid 306] umount2("./620/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3570] +++ exited with 0 +++ [pid 3571] chdir("./665" [pid 3569] +++ exited with 0 +++ [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3571] <... chdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./620/config" [pid 3571] <... prctl resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3571] setpgid(0, 0 [pid 309] umount2("./657", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./620/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3571] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./657", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./620/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... openat resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 3571] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 306] <... openat resumed>) = 4 [pid 3571] write(3, "1000", 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3571] <... write resumed>) = 4 [pid 309] getdents64(3 [pid 307] umount2("./645", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 3571] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3571] <... close resumed>) = 0 [pid 309] umount2("./657/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./645", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3571] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./657/binderfs" [pid 307] fstat(3 [pid 306] getdents64(4 [pid 3571] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3571] write(1, "executing program\n", 18 [pid 309] unlink("./657/binderfs" executing program [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3571] <... write resumed>) = 18 [pid 309] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3571] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./645/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./645/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./645/binderfs" [pid 306] close(4 [pid 3571] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./657/config" [pid 307] <... unlink resumed>) = 0 [pid 3571] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./645/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 3571] <... mount resumed>) = 0 [pid 309] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 3571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./645/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./620/config" [pid 3571] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] openat(AT_FDCWD, "./657/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./645/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... openat resumed>) = 4 [pid 307] umount2("./645/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 3571] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./668", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./645/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./668", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 306] close(3 [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3571] <... mkdirat resumed>) = 0 [pid 310] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 3571] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3571] <... symlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 306] rmdir("./620" [pid 3571] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] rmdir("./657/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] rmdir("./645/config" [pid 3571] <... unlinkat resumed>) = 0 [pid 310] umount2("./668/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] mkdir("./621", 0777 [pid 3571] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 310] newfstatat(AT_FDCWD, "./668/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3571] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 307] rmdir("./645" [pid 3571] exit_group(0 [pid 310] unlink("./668/binderfs" [pid 309] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3571] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./657" [pid 307] mkdir("./646", 0777 [pid 310] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] mkdir("./658", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 3572 attached [pid 3571] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./668/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3572 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3573 [pid 3572] set_robust_list(0x55556c898760, 24 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 3573 attached [pid 3573] set_robust_list(0x55556c898760, 24 [pid 3572] <... set_robust_list resumed>) = 0 [pid 310] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3574 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./668/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3572] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 4 [pid 3572] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(4 [pid 3572] chdir("./646" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3572] <... chdir resumed>) = 0 [pid 310] getdents64(4 [pid 3573] <... set_robust_list resumed>) = 0 [pid 3572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3572] <... prctl resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3572] setpgid(0, 0 [pid 310] getdents64(4 [pid 3572] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 308] umount2("./665", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rmdir("./668/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3573] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./665", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3572] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 3572] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3572] <... write resumed>) = 4 [pid 308] fstat(3 [pid 310] close(3 [pid 3572] close(3 [pid 310] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3572] <... close resumed>) = 0 [pid 310] rmdir("./668" [pid 3572] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(3 [pid 3573] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] mkdir("./669", 0777 [pid 308] umount2("./665/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3573] chdir("./621") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] newfstatat(AT_FDCWD, "./665/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3572] <... symlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3572] write(1, "executing program\n", 18 [pid 3573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 3572] <... write resumed>) = 18 [pid 308] unlink("./665/binderfs" [pid 3573] setpgid(0, 0) = 0 [pid 3573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3575 [pid 308] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3575 attached [pid 3573] write(3, "1000", 4 [pid 3572] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3573] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = 0 [pid 3573] close(3 [pid 308] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3573] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3575] set_robust_list(0x55556c898760, 24 [pid 3573] symlink("/dev/binderfs", "./binderfs" [pid 3572] <... mkdirat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./665/config" [pid 3575] <... set_robust_list resumed>) = 0 [pid 3572] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3575] rt_sigprocmask(SIG_SETMASK, [] [pid 3573] <... symlink resumed>) = 0 [pid 3572] <... mount resumed>) = 0 [pid 308] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3575] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./665/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3575] chdir("./669" [pid 3573] write(1, "executing program\n", 18 [pid 3572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 4 [pid 3575] <... chdir resumed>) = 0 [pid 3572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] fstat(4 [pid 3575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3575] <... prctl resumed>) = 0 [pid 3573] <... write resumed>) = 18 [pid 3572] <... mkdirat resumed>) = 0 executing program [pid 308] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3574 attached [pid 3575] setpgid(0, 0 [pid 3573] mkdirat(AT_FDCWD, "./config", 0777 [pid 3575] <... setpgid resumed>) = 0 [pid 3574] set_robust_list(0x55556c898760, 24 [pid 3573] <... mkdirat resumed>) = 0 [pid 3572] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3574] <... set_robust_list resumed>) = 0 [pid 3573] mount(NULL, "./config", "configfs", 0, NULL [pid 3572] <... symlinkat resumed>) = 0 [pid 308] getdents64(4 [pid 3572] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3575] <... openat resumed>) = 3 [pid 3574] rt_sigprocmask(SIG_SETMASK, [] [pid 3573] <... mount resumed>) = 0 [pid 3572] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3575] write(3, "1000", 4 [pid 3572] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3575] <... write resumed>) = 4 [pid 3574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] close(4 [pid 3575] close(3 [pid 3574] chdir("./658" [pid 3573] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3572] <... unlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3575] <... close resumed>) = 0 [pid 3574] <... chdir resumed>) = 0 [pid 3573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3572] exit_group(0 [pid 308] rmdir("./665/config" [pid 3574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3573] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3575] symlink("/dev/binderfs", "./binderfs" [pid 3574] <... prctl resumed>) = 0 [pid 3573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3572] <... exit_group resumed>) = ? [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 3574] setpgid(0, 0 [pid 3573] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3574] <... setpgid resumed>) = 0 [pid 3573] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] close(3 [pid 3575] <... symlink resumed>) = 0 [pid 3574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3573] <... symlinkat resumed>) = 0 [pid 3572] +++ exited with 0 +++ [pid 308] <... close resumed>) = 0 [pid 3575] write(1, "executing program\n", 18 [pid 3574] <... openat resumed>) = 3 executing program [pid 3573] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rmdir("./665" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3575] <... write resumed>) = 18 [pid 3574] write(3, "1000", 4 [pid 3573] <... unlinkat resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3575] mkdirat(AT_FDCWD, "./config", 0777 [pid 3574] <... write resumed>) = 4 [pid 3573] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... rmdir resumed>) = 0 [pid 3574] close(3 [pid 3573] <... unlinkat resumed>) = 0 [pid 3575] <... mkdirat resumed>) = 0 [pid 3574] <... close resumed>) = 0 [pid 3573] exit_group(0 [pid 308] mkdir("./666", 0777 [pid 3575] mount(NULL, "./config", "configfs", 0, NULL [pid 3573] <... exit_group resumed>) = ? [pid 308] <... mkdir resumed>) = 0 [pid 3575] <... mount resumed>) = 0 [pid 3574] symlink("/dev/binderfs", "./binderfs" [pid 3573] +++ exited with 0 +++ [pid 3575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3575] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3574] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3574] write(1, "executing program\n", 18) = 18 executing program [pid 3574] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3576 attached [pid 3575] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3574] <... mkdirat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3576 [pid 3575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3574] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3575] <... mkdirat resumed>) = 0 [pid 3576] set_robust_list(0x55556c898760, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3576] <... set_robust_list resumed>) = 0 [pid 3575] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3574] <... mount resumed>) = 0 [pid 3576] rt_sigprocmask(SIG_SETMASK, [] [pid 3575] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3576] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3575] <... unlinkat resumed>) = 0 [pid 3574] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3576] chdir("./666" [pid 3575] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3576] <... chdir resumed>) = 0 [pid 3575] <... unlinkat resumed>) = 0 [pid 3574] <... mkdirat resumed>) = 0 [pid 3576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3575] exit_group(0 [pid 3574] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3576] <... prctl resumed>) = 0 [pid 3575] <... exit_group resumed>) = ? [pid 3574] <... symlinkat resumed>) = 0 [pid 3574] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3574] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3576] setpgid(0, 0 [pid 3575] +++ exited with 0 +++ [pid 3574] <... unlinkat resumed>) = 0 [pid 3576] <... setpgid resumed>) = 0 [pid 3574] exit_group(0) = ? [pid 3576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3574] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3576] <... openat resumed>) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3576] write(3, "1000", 4) = 4 [pid 3576] close(3) = 0 [pid 3576] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3576] write(1, "executing program\n", 18 [pid 307] <... restart_syscall resumed>) = 0 [pid 3576] <... write resumed>) = 18 executing program [pid 3576] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] umount2("./646", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] umount2("./658", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./646", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... restart_syscall resumed>) = 0 [pid 3576] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 3576] mount(NULL, "./config", "configfs", 0, NULL [pid 309] openat(AT_FDCWD, "./658", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 309] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3576] <... mount resumed>) = 0 [pid 309] fstat(3 [pid 307] getdents64(3 [pid 3576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(3 [pid 307] umount2("./646/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./621", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./658/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./646/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./658/binderfs" [pid 307] unlink("./646/binderfs" [pid 306] openat(AT_FDCWD, "./621", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 3576] <... mkdirat resumed>) = 0 [pid 309] unlink("./658/binderfs" [pid 307] umount2("./646/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 3576] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 309] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./646/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 3576] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3576] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./646/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3576] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3576] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./658/config" [pid 307] umount2("./646/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 3576] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3576] exit_group(0 [pid 309] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./646/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3576] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./658/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(4 [pid 306] umount2("./621/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(4 [pid 307] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] newfstatat(AT_FDCWD, "./621/binderfs" [pid 3576] +++ exited with 0 +++ [pid 310] umount2("./669", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 307] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./669", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 307] close(4 [pid 310] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 306] unlink("./621/binderfs" [pid 310] fstat(3 [pid 309] close(4 [pid 307] rmdir("./646/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] rmdir("./658/config" [pid 307] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 310] umount2("./669/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./621/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 307] rmdir("./646" [pid 310] newfstatat(AT_FDCWD, "./669/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 307] mkdir("./647", 0777 [pid 310] unlink("./669/binderfs" [pid 309] <... close resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./621/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./658" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3577 attached [pid 310] <... umount2 resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./621/config" [pid 3577] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./659", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3577 [pid 3577] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3577] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./669/config" [pid 309] <... mkdir resumed>) = 0 [pid 306] umount2("./621/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3577] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./621/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3577] chdir("./647" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./669/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 4 [pid 3577] <... chdir resumed>) = 0 [pid 3577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3577] setpgid(0, 0ci2-android-6-1/strace-static-x86_64: Process 3578 attached ) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3578 [pid 306] fstat(4 [pid 310] fstat(4 [pid 3578] set_robust_list(0x55556c898760, 24 [pid 3577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3578] <... set_robust_list resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 3578] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3578] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 306] getdents64(4 [pid 3578] chdir("./659" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3578] <... chdir resumed>) = 0 [pid 310] close(4 [pid 306] close(4 [pid 3578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3578] <... prctl resumed>) = 0 [pid 310] rmdir("./669/config" [pid 306] rmdir("./621/config" [pid 3578] setpgid(0, 0) = 0 [pid 3578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3578] write(3, "1000", 4) = 4 [pid 3578] close(3) = 0 [pid 3578] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3578] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 306] getdents64(3 [pid 3578] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3578] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(3 [pid 306] close(3 [pid 3578] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3578] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rmdir("./669" [pid 306] rmdir("./621" [pid 3578] <... mount resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] mkdir("./670", 0777 [pid 308] umount2("./666", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./622", 0777 [pid 3578] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 3578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./666", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3578] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] fstat(3 executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3578] <... mkdirat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 3580 attached ci2-android-6-1/strace-static-x86_64: Process 3579 attached [pid 3578] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3577] <... openat resumed>) = 3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3579 [pid 308] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3580 [pid 3580] set_robust_list(0x55556c898760, 24 [pid 3579] set_robust_list(0x55556c898760, 24 [pid 3578] <... symlinkat resumed>) = 0 [pid 3577] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3580] <... set_robust_list resumed>) = 0 [pid 3579] <... set_robust_list resumed>) = 0 [pid 3578] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3577] <... write resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3580] rt_sigprocmask(SIG_SETMASK, [] [pid 3579] rt_sigprocmask(SIG_SETMASK, [] [pid 3578] <... unlinkat resumed>) = 0 [pid 3577] close(3 [pid 308] umount2("./666/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3580] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3579] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3578] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3577] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3580] chdir("./622" [pid 3579] chdir("./670" [pid 3578] <... unlinkat resumed>) = 0 [pid 3577] symlink("/dev/binderfs", "./binderfs" [pid 308] newfstatat(AT_FDCWD, "./666/binderfs" [pid 3580] <... chdir resumed>) = 0 [pid 3579] <... chdir resumed>) = 0 [pid 3578] exit_group(0 [pid 3577] <... symlink resumed>) = 0 [pid 3580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3578] <... exit_group resumed>) = ? executing program [pid 3577] write(1, "executing program\n", 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3580] <... prctl resumed>) = 0 [pid 3579] <... prctl resumed>) = 0 [pid 3577] <... write resumed>) = 18 [pid 308] unlink("./666/binderfs" [pid 3580] setpgid(0, 0 [pid 3579] setpgid(0, 0 [pid 3578] +++ exited with 0 +++ [pid 3577] mkdirat(AT_FDCWD, "./config", 0777 [pid 3580] <... setpgid resumed>) = 0 [pid 3579] <... setpgid resumed>) = 0 [pid 3577] <... mkdirat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 3580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3577] mount(NULL, "./config", "configfs", 0, NULL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3580] <... openat resumed>) = 3 [pid 3579] <... openat resumed>) = 3 [pid 3577] <... mount resumed>) = 0 [pid 308] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3580] write(3, "1000", 4 [pid 3579] write(3, "1000", 4 [pid 3577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3580] <... write resumed>) = 4 [pid 3579] <... write resumed>) = 4 [pid 3577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = 0 [pid 3580] close(3 [pid 3579] close(3 [pid 3577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3580] <... close resumed>) = 0 [pid 3579] <... close resumed>) = 0 [pid 3577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3580] symlink("/dev/binderfs", "./binderfs" [pid 3579] symlink("/dev/binderfs", "./binderfs" [pid 3577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3580] <... symlink resumed>) = 0 [pid 3579] <... symlink resumed>) = 0 [pid 3577] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3580] write(1, "executing program\n", 18 executing program executing program [pid 3579] write(1, "executing program\n", 18 [pid 3577] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3580] <... write resumed>) = 18 [pid 3579] <... write resumed>) = 18 [pid 308] newfstatat(AT_FDCWD, "./666/config" [pid 3580] mkdirat(AT_FDCWD, "./config", 0777 [pid 3577] <... symlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3579] mkdirat(AT_FDCWD, "./config", 0777 [pid 3577] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3580] <... mkdirat resumed>) = 0 [pid 3579] <... mkdirat resumed>) = 0 [pid 3577] <... unlinkat resumed>) = 0 [pid 3580] mount(NULL, "./config", "configfs", 0, NULL [pid 3579] mount(NULL, "./config", "configfs", 0, NULL [pid 3577] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3580] <... mount resumed>) = 0 [pid 3579] <... mount resumed>) = 0 [pid 3577] <... unlinkat resumed>) = 0 [pid 3580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3577] exit_group(0 [pid 308] openat(AT_FDCWD, "./666/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3577] <... exit_group resumed>) = ? [pid 3580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3577] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 4 [pid 3580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(4 [pid 3580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3579] <... mkdirat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 307] umount2("./647", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3580] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3579] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3580] <... symlinkat resumed>) = 0 [pid 3579] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 307] openat(AT_FDCWD, "./647", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3580] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3579] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./659", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 3580] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3579] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 307] fstat(3 [pid 3580] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3579] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] openat(AT_FDCWD, "./659", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3580] <... unlinkat resumed>) = 0 [pid 3579] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... openat resumed>) = 3 [pid 308] rmdir("./666/config" [pid 307] getdents64(3 [pid 3580] exit_group(0 [pid 3579] exit_group(0 [pid 309] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3580] <... exit_group resumed>) = ? [pid 3579] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./647/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3580] +++ exited with 0 +++ [pid 3579] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./647/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./659/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] unlink("./647/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./659/binderfs" [pid 308] rmdir("./666" [pid 307] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./659/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] mkdir("./667", 0777 [pid 307] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./647/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./647/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] <... umount2 resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] fstat(4 [pid 309] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./659/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./647/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3581 [pid 307] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./659/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(3 [pid 309] <... openat resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 309] fstat(4 [pid 307] rmdir("./647" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./648", 0777 [pid 309] getdents64(4 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3582 [pid 309] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./659/config" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3581 attached [pid 3581] set_robust_list(0x55556c898760, 24) = 0 [pid 3581] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 3581] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3581] chdir("./667" [pid 309] close(3 [pid 3581] <... chdir resumed>) = 0 [pid 310] umount2("./670", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./659" [pid 310] openat(AT_FDCWD, "./670", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3581] setpgid(0, 0) = 0 [pid 3581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] mkdir("./660", 0777 [pid 310] fstat(3 [pid 3581] <... openat resumed>) = 3 [pid 3581] write(3, "1000", 4) = 4 [pid 3581] close(3) = 0 [pid 3581] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 3581] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3581] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 310] umount2("./670/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3581] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3581] <... mkdirat resumed>) = 0 [pid 3581] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] newfstatat(AT_FDCWD, "./670/binderfs" [pid 3581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3583 [pid 310] unlink("./670/binderfs" [pid 3581] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 3581] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] umount2("./622", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./622", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./670/config" [pid 3581] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(3 [pid 310] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] openat(AT_FDCWD, "./670/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3581] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] fstat(4 [pid 306] umount2("./622/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3581] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./622/binderfs" [pid 3581] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3581] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 306] unlink("./622/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3581] <... unlinkat resumed>) = 0 [pid 310] close(4 [pid 306] <... unlink resumed>) = 0 [pid 3581] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 306] umount2("./622/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3581] <... exit_group resumed>) = ? [pid 310] rmdir("./670/config"ci2-android-6-1/strace-static-x86_64: Process 3582 attached [pid 3581] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3583 attached [pid 3583] set_robust_list(0x55556c898760, 24 [pid 310] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./622/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3583] <... set_robust_list resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./622/config" [pid 310] rmdir("./670" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3583] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3583] chdir("./660") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] umount2("./622/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./671", 0777 [pid 3583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3583] <... prctl resumed>) = 0 [pid 3583] setpgid(0, 0) = 0 [pid 3583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./622/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] fstat(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3583] write(3, "1000", 4) = 4 [pid 3583] close(3) = 0 [pid 3583] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3583] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3584 [pid 306] getdents64(4 [pid 3583] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 3583] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 3583] <... mkdirat resumed>) = 0 [pid 3582] set_robust_list(0x55556c898760, 24 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3583] mount(NULL, "./config", "configfs", 0, NULL [pid 306] close(4 [pid 3583] <... mount resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rmdir("./622/config" [pid 3583] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3583] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3 [pid 3583] <... symlinkat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3582] <... set_robust_list resumed>) = 0 [pid 3583] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] close(3 [pid 3583] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... close resumed>) = 0 [pid 308] umount2("./667", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./622" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3583] <... unlinkat resumed>) = 0 [pid 3583] exit_group(0 [pid 308] openat(AT_FDCWD, "./667", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 3583] <... exit_group resumed>) = ? [pid 308] <... openat resumed>) = 3 [pid 306] mkdir("./623", 0777 [pid 308] fstat(3 [pid 3583] +++ exited with 0 +++ [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./667/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3584 attached [pid 3584] set_robust_list(0x55556c898760, 24) = 0 [pid 3584] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3584] chdir("./671") = 0 [pid 3584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] newfstatat(AT_FDCWD, "./667/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3585 [pid 3584] <... prctl resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3582] rt_sigprocmask(SIG_SETMASK, [] [pid 308] unlink("./667/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3584] setpgid(0, 0) = 0 [pid 3584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3582] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3584] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = 0 [pid 3582] chdir("./648" [pid 308] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3584] write(3, "1000", 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3582] <... chdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./667/config" [pid 3584] <... write resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3584] close(3) = 0 [pid 3584] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3582] <... prctl resumed>) = 0 [pid 308] openat(AT_FDCWD, "./667/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3584] <... symlink resumed>) = 0 [pid 3582] setpgid(0, 0 [pid 308] <... openat resumed>) = 4 [pid 3584] write(1, "executing program\n", 18) = 18 [pid 308] fstat(4 [pid 3582] <... setpgid resumed>) = 0 executing program [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3584] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] getdents64(4 [pid 3582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3584] <... mkdirat resumed>) = 0 [pid 3582] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3582] write(3, "1000", 4 [pid 308] getdents64(4 [pid 3584] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3582] <... write resumed>) = 4 [pid 308] close(4 [pid 3584] <... mount resumed>) = 0 [pid 3582] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./667/config" [pid 3582] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3585 attached [pid 3584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 309] umount2("./660", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./660", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(3) = 0 [pid 308] rmdir("./667" [pid 309] <... openat resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 308] mkdir("./668", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3586 attached [pid 3584] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./660/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3586 [pid 3584] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./660/binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3586] set_robust_list(0x55556c898760, 24 [pid 3584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3586] <... set_robust_list resumed>) = 0 [pid 3584] <... mkdirat resumed>) = 0 [pid 309] unlink("./660/binderfs" [pid 3584] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3584] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... unlink resumed>) = 0 [pid 3584] <... unlinkat resumed>) = 0 [pid 309] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3584] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 3584] exit_group(0 [pid 309] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3584] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3586] rt_sigprocmask(SIG_SETMASK, [] [pid 3584] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./660/config" [pid 3582] symlink("/dev/binderfs", "./binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3582] <... symlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3582] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3582] <... write resumed>) = 18 executing program [pid 3582] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] openat(AT_FDCWD, "./660/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3586] chdir("./668" [pid 3582] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 3585] set_robust_list(0x55556c898760, 24) = 0 [pid 309] fstat(4 [pid 3585] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3585] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3582] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(4 [pid 3585] chdir("./623" [pid 3582] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3585] <... chdir resumed>) = 0 [pid 3582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(4 [pid 3585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3582] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3585] <... prctl resumed>) = 0 [pid 3582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(4 [pid 3585] setpgid(0, 0 [pid 3582] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 3585] <... setpgid resumed>) = 0 [pid 3582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rmdir("./660/config" [pid 3585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3582] <... mkdirat resumed>) = 0 [pid 3585] <... openat resumed>) = 3 [pid 3582] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rmdir resumed>) = 0 [pid 3585] write(3, "1000", 4 [pid 3582] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 3586] <... chdir resumed>) = 0 [pid 3585] <... write resumed>) = 4 [pid 3582] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3585] close(3 [pid 3582] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3582] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] close(3 [pid 3586] <... prctl resumed>) = 0 [pid 3585] <... close resumed>) = 0 [pid 3586] setpgid(0, 0 [pid 3585] symlink("/dev/binderfs", "./binderfs" [pid 3582] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 3582] exit_group(0 [pid 309] rmdir("./660" [pid 3582] <... exit_group resumed>) = ? [pid 3586] <... setpgid resumed>) = 0 [pid 3585] <... symlink resumed>) = 0 [pid 3582] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 3585] write(1, "executing program\n", 18 [pid 309] mkdir("./661", 0777 [pid 3586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3585] <... write resumed>) = 18 [pid 3585] mkdirat(AT_FDCWD, "./config", 0777 [pid 3586] <... openat resumed>) = 3 [pid 3585] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3586] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3586] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3586] close(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3586] <... close resumed>) = 0 executing program [pid 3585] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3586] symlink("/dev/binderfs", "./binderfs" [pid 3585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-6-1/strace-static-x86_64: Process 3587 attached ) = -1 EEXIST (File exists) [pid 3585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3586] <... symlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3587 [pid 3586] write(1, "executing program\n", 18) = 18 [pid 3585] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3587] set_robust_list(0x55556c898760, 24 [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 3586] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] umount2("./648", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./671", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./648", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./671", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 310] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 310] getdents64(3 [pid 3585] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3587] <... set_robust_list resumed>) = 0 [pid 3586] <... mkdirat resumed>) = 0 [pid 310] umount2("./671/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./648/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3586] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./671/binderfs" [pid 307] newfstatat(AT_FDCWD, "./648/binderfs" [pid 3586] <... mount resumed>) = 0 [pid 3585] <... symlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3587] rt_sigprocmask(SIG_SETMASK, [] [pid 3586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] unlink("./671/binderfs" [pid 307] unlink("./648/binderfs" [pid 3587] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3586] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3585] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 3586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... unlink resumed>) = 0 [pid 310] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3587] chdir("./661" [pid 3586] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3585] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = 0 [pid 3587] <... chdir resumed>) = 0 [pid 3586] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3585] <... unlinkat resumed>) = 0 [pid 310] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 3587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3586] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3585] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3585] <... exit_group resumed>) = ? [pid 307] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3587] <... prctl resumed>) = 0 [pid 3586] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3585] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./671/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./648/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3586] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3587] setpgid(0, 0 [pid 310] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3586] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3587] <... setpgid resumed>) = 0 [pid 3586] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./671/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3586] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./648/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3586] exit_group(0 [pid 307] <... openat resumed>) = 4 [pid 3586] <... exit_group resumed>) = ? [pid 310] getdents64(4 [pid 307] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 307] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3587] <... openat resumed>) = 3 [pid 310] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3587] write(3, "1000", 4 [pid 310] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 310] rmdir("./671/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3587] <... write resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 310] getdents64(3 [pid 3587] close(3 [pid 3586] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 310] close(3 [pid 307] rmdir("./648/config" [pid 310] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3587] <... close resumed>) = 0 [pid 3587] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] rmdir("./671" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rmdir resumed>) = 0 [pid 3587] write(1, "executing program\n", 18) = 18 [pid 3587] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 executing program [pid 307] getdents64(3 [pid 310] mkdir("./672", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3587] <... mkdirat resumed>) = 0 [pid 3587] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 3587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./648" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3587] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3587] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] mkdir("./649", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3588 [pid 3587] <... unlinkat resumed>) = 0 [pid 3587] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3587] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3587] <... exit_group resumed>) = ? [pid 3587] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3589 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 3588 attached [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3588] set_robust_list(0x55556c898760, 24) = 0 ci2-android-6-1/strace-static-x86_64: Process 3589 attached [pid 3588] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3588] chdir("./672") = 0 [pid 3588] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3588] setpgid(0, 0) = 0 [pid 3589] set_robust_list(0x55556c898760, 24 [pid 3588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... restart_syscall resumed>) = 0 [pid 3588] <... openat resumed>) = 3 [pid 3588] write(3, "1000", 4) = 4 [pid 3588] close(3) = 0 [pid 3588] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./661", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 309] openat(AT_FDCWD, "./661", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3588] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 306] umount2("./623", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3588] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 306] openat(AT_FDCWD, "./623", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3588] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 3 [pid 309] umount2("./661/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 306] fstat(3 [pid 3588] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./661/binderfs" [pid 306] getdents64(3 [pid 3589] <... set_robust_list resumed>) = 0 [pid 3588] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3588] mount(NULL, "./config", "configfs", 0, NULL [pid 309] unlink("./661/binderfs" [pid 306] umount2("./623/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3588] <... mount resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./623/binderfs" [pid 3588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./623/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./661/config" [pid 306] umount2("./623/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 3588] <... mkdirat resumed>) = 0 [pid 3589] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./623/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3588] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] openat(AT_FDCWD, "./661/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3588] <... symlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 3588] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] newfstatat(AT_FDCWD, "./623/config" [pid 308] <... restart_syscall resumed>) = 0 [pid 309] fstat(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./623/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 3588] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3588] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./668", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 306] openat(AT_FDCWD, "./623/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./668", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(4 [pid 309] close(4 [pid 3588] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./661/config" [pid 308] fstat(3 [pid 306] getdents64(4 [pid 3588] exit_group(0) = ? [pid 3589] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3588] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 306] getdents64(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 308] umount2("./668/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./661" [pid 308] newfstatat(AT_FDCWD, "./668/binderfs" [pid 306] <... close resumed>) = 0 [pid 3589] chdir("./649") = 0 [pid 3589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./623/config" [pid 309] mkdir("./662", 0777 [pid 308] unlink("./668/binderfs" [pid 3589] <... prctl resumed>) = 0 [pid 3589] setpgid(0, 0) = 0 [pid 3589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 3589] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 3589] write(3, "1000", 4) = 4 [pid 3589] close(3) = 0 [pid 3589] symlink("/dev/binderfs", "./binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3589] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(3 [pid 308] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3589] write(1, "executing program\n", 18) = 18 [pid 3589] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3589] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3590 [pid 306] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./668/config" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./623" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3589] <... mount resumed>) = 0 [pid 3589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 308] openat(AT_FDCWD, "./668/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] mkdir("./624", 0777 [pid 3589] <... mkdirat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 3589] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] fstat(4 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3589] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3589] <... unlinkat resumed>) = 0 [pid 3589] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] umount2("./672", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3589] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 3589] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./672", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3589] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3591 [pid 310] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./672/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./668/config" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./672/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./672/binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./649", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] openat(AT_FDCWD, "./649", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./672/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./672/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./668" [pid 310] <... openat resumed>) = 4 [pid 307] fstat(3ci2-android-6-1/strace-static-x86_64: Process 3590 attached [pid 310] fstat(4 [pid 3590] set_robust_list(0x55556c898760, 24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3590] <... set_robust_list resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 3591 attached [pid 3590] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] mkdir("./669", 0777 [pid 3590] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 307] getdents64(3 [pid 3590] chdir("./662" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3590] <... chdir resumed>) = 0 [pid 310] close(4 [pid 3590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... close resumed>) = 0 [pid 3590] <... prctl resumed>) = 0 [pid 310] rmdir("./672/config" [pid 308] <... mkdir resumed>) = 0 [pid 3591] set_robust_list(0x55556c898760, 24 [pid 3590] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3590] <... setpgid resumed>) = 0 [pid 310] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./649/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3591] <... set_robust_list resumed>) = 0 [pid 3590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3590] <... openat resumed>) = 3 [pid 310] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3590] write(3, "1000", 4 [pid 310] <... close resumed>) = 0 [pid 3590] <... write resumed>) = 4 [pid 310] rmdir("./672" [pid 3590] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 3590] <... close resumed>) = 0 [pid 310] mkdir("./673", 0777 [pid 3591] rt_sigprocmask(SIG_SETMASK, [] [pid 3590] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./649/binderfs" [pid 3591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3590] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3592 [pid 3590] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3590] <... write resumed>) = 18 executing program [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./649/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3593 attached [pid 3591] chdir("./624" [pid 3590] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3593] set_robust_list(0x55556c898760, 24 [pid 3591] <... chdir resumed>) = 0 [pid 3590] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3593 [pid 307] <... unlink resumed>) = 0 [pid 3590] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3590] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3593] <... set_robust_list resumed>) = 0 [pid 3591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = 0 [pid 3590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3590] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] newfstatat(AT_FDCWD, "./649/config" [pid 3590] <... mkdirat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3591] <... prctl resumed>) = 0 [pid 307] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3590] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3590] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] openat(AT_FDCWD, "./649/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3590] <... unlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 3590] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] fstat(4 [pid 3590] exit_group(0 [pid 3591] setpgid(0, 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3590] <... exit_group resumed>) = ? [pid 307] getdents64(4 [pid 3593] rt_sigprocmask(SIG_SETMASK, [] [pid 3591] <... setpgid resumed>) = 0 [pid 3590] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(4 [pid 309] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3592 attached [pid 307] <... close resumed>) = 0 [pid 3592] set_robust_list(0x55556c898760, 24 [pid 307] rmdir("./649/config" [pid 309] umount2("./662", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3592] <... set_robust_list resumed>) = 0 [pid 3592] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3592] chdir("./669" [pid 307] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 309] openat(AT_FDCWD, "./662", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3592] <... chdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] close(3 [pid 309] fstat(3 [pid 3592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 3592] <... prctl resumed>) = 0 [pid 309] getdents64(3 [pid 307] rmdir("./649" [pid 3592] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3592] <... setpgid resumed>) = 0 [pid 3592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] umount2("./662/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 3591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./650", 0777 [pid 309] newfstatat(AT_FDCWD, "./662/binderfs" [pid 3592] write(3, "1000", 4) = 4 [pid 3592] close(3) = 0 [pid 3592] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3591] <... openat resumed>) = 3 [pid 309] unlink("./662/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3592] write(1, "executing program\n", 18) = 18 [pid 309] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 3592] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3592] <... mkdirat resumed>) = 0 [pid 3591] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3591] <... write resumed>) = 4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3594 ci2-android-6-1/strace-static-x86_64: Process 3594 attached [pid 3593] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3592] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3592] <... mount resumed>) = 0 [pid 3591] close(3 [pid 309] newfstatat(AT_FDCWD, "./662/config" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3591] <... close resumed>) = 0 [pid 3592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3591] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] openat(AT_FDCWD, "./662/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3592] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 3592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(4 [pid 3592] <... mkdirat resumed>) = 0 [pid 3591] <... symlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3592] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(4 [pid 3591] write(1, "executing program\n", 18 [pid 3592] <... symlinkat resumed>) = 0 [pid 3591] <... write resumed>) = 18 executing program [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3592] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 3592] <... unlinkat resumed>) = 0 [pid 3591] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3592] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] close(4 [pid 3592] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 3592] exit_group(0 [pid 309] rmdir("./662/config" [pid 3592] <... exit_group resumed>) = ? [pid 3592] +++ exited with 0 +++ [pid 3591] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3594] set_robust_list(0x55556c898760, 24 [pid 3591] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(3 [pid 3593] chdir("./673" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(3 [pid 3591] <... mount resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... close resumed>) = 0 [pid 3594] <... set_robust_list resumed>) = 0 [pid 309] rmdir("./662" [pid 3591] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3594] rt_sigprocmask(SIG_SETMASK, [] [pid 3593] <... chdir resumed>) = 0 [pid 3593] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 3594] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3593] <... prctl resumed>) = 0 [pid 309] mkdir("./663", 0777 [pid 3591] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3594] chdir("./650" [pid 3593] setpgid(0, 0 [pid 3594] <... chdir resumed>) = 0 [pid 3593] <... setpgid resumed>) = 0 [pid 3594] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 3594] <... prctl resumed>) = 0 [pid 3593] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3591] <... mkdirat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3594] setpgid(0, 0 [pid 3593] write(3, "1000", 4 [pid 3591] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3594] <... setpgid resumed>) = 0 [pid 3593] <... write resumed>) = 4 [pid 3594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3593] close(3 [pid 3594] <... openat resumed>) = 3 [pid 3593] <... close resumed>) = 0 [pid 3594] write(3, "1000", 4 [pid 3593] symlink("/dev/binderfs", "./binderfs" [pid 3594] <... write resumed>) = 4 [pid 3593] <... symlink resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3591] <... symlinkat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3595 [pid 3594] close(3 [pid 3593] write(1, "executing program\n", 18 [pid 3594] <... close resumed>) = 0 [pid 3591] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3594] symlink("/dev/binderfs", "./binderfs" [pid 3593] <... write resumed>) = 18 executing program [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3594] <... symlink resumed>) = 0 [pid 3593] mkdirat(AT_FDCWD, "./config", 0777 [pid 3591] <... unlinkat resumed>) = 0 [pid 308] umount2("./669", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3595 attached [pid 3594] write(1, "executing program\n", 18 [pid 3593] <... mkdirat resumed>) = 0 [pid 3591] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3594] <... write resumed>) = 18 [pid 3593] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3594] mkdirat(AT_FDCWD, "./config", 0777 [pid 3593] <... mount resumed>) = 0 [pid 3591] <... unlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./669", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3594] <... mkdirat resumed>) = 0 [pid 3593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3591] exit_group(0 [pid 308] <... openat resumed>) = 3 [pid 3594] mount(NULL, "./config", "configfs", 0, NULL [pid 3593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3591] <... exit_group resumed>) = ? [pid 308] fstat(3 [pid 3594] <... mount resumed>) = 0 [pid 3593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3594] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3593] <... mkdirat resumed>) = 0 [pid 3591] +++ exited with 0 +++ [pid 308] getdents64(3 [pid 3594] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3593] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3593] <... symlinkat resumed>) = 0 [pid 308] umount2("./669/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3594] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3593] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3594] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3593] <... unlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./669/binderfs" [pid 3594] <... symlinkat resumed>) = 0 [pid 3593] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3595] set_robust_list(0x55556c898760, 24 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3594] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3593] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 308] unlink("./669/binderfs" [pid 3594] <... unlinkat resumed>) = 0 [pid 3593] exit_group(0 [pid 3595] <... set_robust_list resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 3595] rt_sigprocmask(SIG_SETMASK, [] [pid 3594] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3593] <... exit_group resumed>) = ? [pid 308] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3595] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3594] <... unlinkat resumed>) = 0 [pid 3593] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3593, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] newfstatat(AT_FDCWD, "./669/config" [pid 3595] chdir("./663" [pid 3594] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3595] <... chdir resumed>) = 0 [pid 3594] <... exit_group resumed>) = ? [pid 3595] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3594] +++ exited with 0 +++ [pid 308] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3595] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3595] setpgid(0, 0 [pid 308] openat(AT_FDCWD, "./669/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3595] <... setpgid resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 3595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] fstat(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 3595] <... openat resumed>) = 3 [pid 3595] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./650", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 306] umount2("./624", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3595] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./650", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./624", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3595] close(3 [pid 307] <... openat resumed>) = 3 [pid 3595] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 308] rmdir("./669/config" [pid 306] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3595] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 3595] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 308] close(3 [pid 307] umount2("./650/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./669" [pid 307] newfstatat(AT_FDCWD, "./650/binderfs" [pid 306] umount2("./624/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3595] <... write resumed>) = 18 executing program [pid 3595] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3595] mount(NULL, "./config", "configfs", 0, NULL [pid 308] mkdir("./670", 0777 [pid 307] unlink("./650/binderfs" [pid 306] newfstatat(AT_FDCWD, "./624/binderfs" [pid 3595] <... mount resumed>) = 0 [pid 3595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 3595] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./624/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3595] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3595] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3595] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3595] exit_group(0 [pid 307] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./624/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3596 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3595] <... exit_group resumed>) = ? [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./650/config" [pid 306] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./624/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3595] +++ exited with 0 +++ [pid 307] openat(AT_FDCWD, "./650/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./624/config" [pid 307] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] fstat(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./624/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3596 attached [pid 309] <... restart_syscall resumed>) = 0 [pid 307] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3596] set_robust_list(0x55556c898760, 24 [pid 306] openat(AT_FDCWD, "./624/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./673", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./663", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 310] openat(AT_FDCWD, "./673", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./663", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 309] fstat(3 [pid 307] close(4 [pid 306] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 3596] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3596] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./673/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rmdir("./650/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./663/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3596] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3596] chdir("./670" [pid 307] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./673/binderfs" [pid 307] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./663/binderfs" [pid 306] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] unlink("./673/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 3596] <... chdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./663/binderfs" [pid 306] close(4 [pid 310] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3596] setpgid(0, 0 [pid 307] <... close resumed>) = 0 [pid 3596] <... setpgid resumed>) = 0 [pid 3596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] rmdir("./650" [pid 306] <... close resumed>) = 0 [pid 310] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3596] <... openat resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 3596] write(3, "1000", 4) = 4 [pid 3596] close(3) = 0 [pid 3596] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 307] mkdir("./651", 0777 [pid 306] rmdir("./624/config" [pid 310] newfstatat(AT_FDCWD, "./673/config" [pid 309] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3596] write(1, "executing program\n", 18) = 18 executing program [pid 3596] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./663/config" [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] openat(AT_FDCWD, "./673/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3596] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 4 [pid 306] close(3 [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./663/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 3596] <... mount resumed>) = 0 [pid 3596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] getdents64(4 [pid 309] <... openat resumed>) = 4 [pid 306] rmdir("./624" [pid 3596] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3596] <... symlinkat resumed>) = 0 [pid 3596] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] getdents64(4 [pid 309] fstat(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3597 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] mkdir("./625", 0777 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3596] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3596] exit_group(0) = ? [pid 3596] +++ exited with 0 +++ [pid 310] rmdir("./673/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3597 attached [pid 3597] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] close(3 [pid 309] close(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3597] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./673" [pid 309] rmdir("./663/config" [pid 3597] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3597] chdir("./651") = 0 [pid 3597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3597] setpgid(0, 0) = 0 [pid 3597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3597] write(3, "1000", 4) = 4 [pid 3597] close(3) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3597] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3598 [pid 310] mkdir("./674", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3597] write(1, "executing program\n", 18) = 18 executing program [pid 3597] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rmdir("./663" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3597] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 3597] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3597] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] mkdir("./664", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3599 [pid 3597] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3597] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3597] exit_group(0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3597] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 3599 attached [pid 3597] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./670", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3598 attached [pid 3598] set_robust_list(0x55556c898760, 24) = 0 [pid 3598] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3598] chdir("./625") = 0 [pid 3598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3598] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3600 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./670", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 3598] <... setpgid resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] getdents64(3 [pid 3598] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3598] write(3, "1000", 4) = 4 [pid 308] umount2("./670/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3598] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3598] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./670/binderfs" [pid 3598] symlink("/dev/binderfs", "./binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3599] set_robust_list(0x55556c898760, 24 [pid 3598] <... symlink resumed>) = 0 [pid 308] unlink("./670/binderfs" [pid 3598] write(1, "executing program\n", 18) = 18 [pid 3598] mkdirat(AT_FDCWD, "./config", 0777 [pid 3599] <... set_robust_list resumed>) = 0 [pid 3598] <... mkdirat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 executing program [pid 308] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3600 attached ) = 0 [pid 3600] set_robust_list(0x55556c898760, 24 [pid 308] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3600] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./670/config" [pid 3600] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./670/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3600] chdir("./664" [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3600] <... chdir resumed>) = 0 [pid 3600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] getdents64(4 [pid 3600] setpgid(0, 0) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] getdents64(4 [pid 3600] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3600] write(3, "1000", 4 [pid 308] close(4 [pid 3600] <... write resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 3600] close(3 [pid 308] rmdir("./670/config" [pid 3600] <... close resumed>) = 0 [pid 3600] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3600] write(1, "executing program\n", 18 [pid 308] getdents64(3 [pid 3600] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3600] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 308] close(3) = 0 [pid 3600] <... mkdirat resumed>) = 0 [pid 308] rmdir("./670" [pid 3600] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 3600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] mkdir("./671", 0777 [pid 3599] rt_sigprocmask(SIG_SETMASK, [] [pid 3600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 3600] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3599] chdir("./674" [pid 3598] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3600] <... symlinkat resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 3599] <... chdir resumed>) = 0 [pid 3598] <... mount resumed>) = 0 [pid 3600] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3600] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3600] exit_group(0) = ? [pid 3600] +++ exited with 0 +++ [pid 3599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3601 ci2-android-6-1/strace-static-x86_64: Process 3601 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3599] <... prctl resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./651", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3599] setpgid(0, 0 [pid 3598] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3599] <... setpgid resumed>) = 0 [pid 3598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] openat(AT_FDCWD, "./651", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3601] set_robust_list(0x55556c898760, 24 [pid 307] <... openat resumed>) = 3 [pid 3601] <... set_robust_list resumed>) = 0 [pid 307] fstat(3 [pid 3599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3598] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 3601] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./651/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3599] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./651/binderfs" [pid 3601] chdir("./671" [pid 3599] write(3, "1000", 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3598] <... mkdirat resumed>) = 0 [pid 307] unlink("./651/binderfs" [pid 3599] <... write resumed>) = 4 [pid 3601] <... chdir resumed>) = 0 [pid 3601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... unlink resumed>) = 0 [pid 3599] close(3 [pid 3598] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3599] <... close resumed>) = 0 [pid 307] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3601] setpgid(0, 0) = 0 [pid 3599] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./651/config" [pid 3601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3598] <... symlinkat resumed>) = 0 [pid 307] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3599] <... symlink resumed>) = 0 [pid 3598] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] openat(AT_FDCWD, "./651/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3599] write(1, "executing program\n", 18 [pid 307] getdents64(4 [pid 3598] <... unlinkat resumed>) = 0 [pid 3599] <... write resumed>) = 18 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 3601] <... openat resumed>) = 3 [pid 3598] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3599] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] close(4 [pid 3601] write(3, "1000", 4 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./651/config" [pid 3601] <... write resumed>) = 4 [pid 3601] close(3) = 0 [pid 3601] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3598] <... unlinkat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3601] write(1, "executing program\n", 18 executing program executing program [pid 307] getdents64(3 [pid 3598] exit_group(0 [pid 3601] <... write resumed>) = 18 [pid 3599] <... mkdirat resumed>) = 0 [pid 3598] <... exit_group resumed>) = ? [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 3601] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... close resumed>) = 0 [pid 309] umount2("./664", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./651" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3601] <... mkdirat resumed>) = 0 [pid 3599] mount(NULL, "./config", "configfs", 0, NULL [pid 309] openat(AT_FDCWD, "./664", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 3601] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... openat resumed>) = 3 [pid 307] mkdir("./652", 0777 [pid 309] fstat(3 [pid 3601] <... mount resumed>) = 0 [pid 3601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3599] <... mount resumed>) = 0 [pid 3601] <... mkdirat resumed>) = 0 [pid 3599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./664/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3599] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3601] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3601] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3601] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] newfstatat(AT_FDCWD, "./664/binderfs" [pid 3601] exit_group(0 [pid 3599] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3602 [pid 3599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3598] +++ exited with 0 +++ [pid 309] unlink("./664/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3601] <... exit_group resumed>) = ? [pid 3601] +++ exited with 0 +++ [pid 3599] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3599] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-6-1/strace-static-x86_64: Process 3602 attached [pid 309] <... umount2 resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3599] <... symlinkat resumed>) = 0 [pid 309] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3599] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3602] set_robust_list(0x55556c898760, 24 [pid 309] newfstatat(AT_FDCWD, "./664/config" [pid 3602] <... set_robust_list resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3599] <... unlinkat resumed>) = 0 [pid 309] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3602] rt_sigprocmask(SIG_SETMASK, [] [pid 3599] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./664/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3602] chdir("./652" [pid 309] <... openat resumed>) = 4 [pid 3602] <... chdir resumed>) = 0 [pid 3599] <... unlinkat resumed>) = 0 [pid 309] fstat(4 [pid 3602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3599] exit_group(0 [pid 309] getdents64(4 [pid 3602] <... prctl resumed>) = 0 [pid 3602] setpgid(0, 0) = 0 [pid 3599] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 3602] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3602] write(3, "1000", 4 [pid 309] close(4 [pid 3602] <... write resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 3602] close(3 [pid 309] rmdir("./664/config" [pid 3602] <... close resumed>) = 0 executing program [pid 3602] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3602] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 3602] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3602] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(3 [pid 3602] <... mkdirat resumed>) = 0 [pid 3599] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./664" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3602] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] mkdir("./665", 0777 [pid 3602] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 3602] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3602] <... symlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3602] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3602] <... unlinkat resumed>) = 0 [pid 3602] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3602] exit_group(0) = ? [pid 3602] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3603 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3603 attached [pid 3603] set_robust_list(0x55556c898760, 24) = 0 [pid 3603] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3603] chdir("./665") = 0 [pid 3603] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3603] setpgid(0, 0) = 0 [pid 3603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3603] write(3, "1000", 4) = 4 [pid 3603] close(3) = 0 [pid 3603] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3603] write(1, "executing program\n", 18) = 18 executing program [pid 3603] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] umount2("./674", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 310] openat(AT_FDCWD, "./674", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./625", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 3603] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 308] umount2("./671", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./625", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./671", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3603] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 310] umount2("./674/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./674/binderfs" [pid 306] getdents64(3 [pid 308] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./625/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./674/binderfs" [pid 308] umount2("./671/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3603] <... mount resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./625/binderfs" [pid 310] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./671/binderfs" [pid 310] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./625/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./674/config" [pid 308] unlink("./671/binderfs" [pid 306] umount2("./625/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 306] umount2("./625/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./674/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 308] newfstatat(AT_FDCWD, "./671/config" [pid 306] newfstatat(AT_FDCWD, "./625/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 308] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./625/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./671/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 306] openat(AT_FDCWD, "./625/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] close(4 [pid 308] fstat(4 [pid 306] <... openat resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 306] fstat(4 [pid 310] rmdir("./674/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3603] <... mkdirat resumed>) = 0 [pid 3603] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 3603] <... symlinkat resumed>) = 0 [pid 3603] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3603] <... unlinkat resumed>) = 0 [pid 3603] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 308] getdents64(4 [pid 307] umount2("./652", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 308] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./652", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] close(4 [pid 308] <... close resumed>) = 0 [pid 307] fstat(3 [pid 308] rmdir("./671/config" [pid 306] <... close resumed>) = 0 [pid 310] rmdir("./674" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3603] <... unlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 308] getdents64(3 [pid 306] rmdir("./625/config" [pid 3603] exit_group(0) = ? [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rmdir resumed>) = 0 [pid 307] umount2("./652/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./675", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./652/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... close resumed>) = 0 [pid 307] unlink("./652/binderfs" [pid 306] close(3 [pid 3603] +++ exited with 0 +++ [pid 308] rmdir("./671") = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3604 [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3604 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] mkdir("./672", 0777 [pid 307] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3604] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... mkdir resumed>) = 0 [pid 306] rmdir("./625" [pid 3604] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3604] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3605 attached [pid 3604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3605 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3605] set_robust_list(0x55556c898760, 24 [pid 3604] chdir("./675" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] mkdir("./626", 0777 [pid 307] newfstatat(AT_FDCWD, "./652/config" [pid 3605] <... set_robust_list resumed>) = 0 [pid 3604] <... chdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3604] <... prctl resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./652/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3604] setpgid(0, 0 [pid 307] <... openat resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3604] <... setpgid resumed>) = 0 [pid 309] umount2("./665", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./652/config" [pid 3605] chdir("./672" [pid 3604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] openat(AT_FDCWD, "./665", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3606 [pid 309] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3605] <... chdir resumed>) = 0 [pid 3604] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3604] write(3, "1000", 4 [pid 307] rmdir("./652" [pid 3605] <... prctl resumed>) = 0 [pid 3604] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rmdir resumed>) = 0 [pid 3605] setpgid(0, 0 [pid 3604] close(3 [pid 309] umount2("./665/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./653", 0777 [pid 3605] <... setpgid resumed>) = 0 [pid 3604] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 3604] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./665/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3604] <... symlink resumed>) = 0 [pid 309] unlink("./665/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3605] <... openat resumed>) = 3 [pid 3604] write(1, "executing program\n", 18 [pid 309] <... unlink resumed>) = 0 executing program ci2-android-6-1/strace-static-x86_64: Process 3607 attached [pid 3605] write(3, "1000", 4 [pid 3604] <... write resumed>) = 18 [pid 309] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3607 [pid 3607] set_robust_list(0x55556c898760, 24 [pid 3605] <... write resumed>) = 4 [pid 3604] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3607] <... set_robust_list resumed>) = 0 [pid 3605] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3606 attached [pid 3606] set_robust_list(0x55556c898760, 24 [pid 3605] <... close resumed>) = 0 [pid 3604] <... mkdirat resumed>) = 0 [pid 309] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3605] symlink("/dev/binderfs", "./binderfs" [pid 3604] mount(NULL, "./config", "configfs", 0, NULL [pid 3607] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3604] <... mount resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./665/config" [pid 3606] <... set_robust_list resumed>) = 0 [pid 3604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3604] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./665/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3607] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3605] <... symlink resumed>) = 0 [pid 3606] rt_sigprocmask(SIG_SETMASK, [] [pid 3605] write(1, "executing program\n", 18 [pid 3604] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 3607] chdir("./653" [pid 3605] <... write resumed>) = 18 [pid 3604] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] fstat(4 [pid 3607] <... chdir resumed>) = 0 executing program [pid 3607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3605] mkdirat(AT_FDCWD, "./config", 0777 [pid 3604] <... symlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3607] <... prctl resumed>) = 0 [pid 3604] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 3604] <... unlinkat resumed>) = 0 [pid 3604] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3604] <... unlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 3604] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3604] <... exit_group resumed>) = ? [pid 309] close(4 [pid 3606] chdir("./626") = 0 [pid 3606] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3604] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./665/config" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3606] setpgid(0, 0) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3607] setpgid(0, 0 [pid 3605] <... mkdirat resumed>) = 0 [pid 309] getdents64(3 [pid 3605] mount(NULL, "./config", "configfs", 0, NULL [pid 3607] <... setpgid resumed>) = 0 [pid 3606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3606] <... openat resumed>) = 3 [pid 3605] <... mount resumed>) = 0 [pid 309] close(3 [pid 3606] write(3, "1000", 4 [pid 3605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... close resumed>) = 0 [pid 3607] <... openat resumed>) = 3 [pid 3607] write(3, "1000", 4 [pid 3606] <... write resumed>) = 4 [pid 3605] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./675", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./665" [pid 3607] <... write resumed>) = 4 [pid 3606] close(3 [pid 3605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3606] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./675", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3607] close(3 [pid 3605] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] mkdir("./666", 0777 [pid 3607] <... close resumed>) = 0 [pid 3605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... openat resumed>) = 3 [pid 3606] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] fstat(3 [pid 309] <... mkdir resumed>) = 0 [pid 3606] write(1, "executing program\n", 18 [pid 3607] symlink("/dev/binderfs", "./binderfs" [pid 3605] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3605] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 3606] <... write resumed>) = 18 [pid 3605] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3605] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./675/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3606] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3608 attached [pid 3607] <... symlink resumed>) = 0 [pid 3606] <... mkdirat resumed>) = 0 [pid 3605] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3607] write(1, "executing program\n", 18 [pid 3608] set_robust_list(0x55556c898760, 24 [pid 3607] <... write resumed>) = 18 [pid 3606] mount(NULL, "./config", "configfs", 0, NULL [pid 3605] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./675/binderfs" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3608 [pid 3606] <... mount resumed>) = 0 [pid 3605] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3607] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] unlink("./675/binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 3605] exit_group(0 [pid 310] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3605] <... exit_group resumed>) = ? [pid 3606] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3605] +++ exited with 0 +++ [pid 3606] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] <... set_robust_list resumed>) = 0 [pid 3607] <... mkdirat resumed>) = 0 [pid 3606] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3608] rt_sigprocmask(SIG_SETMASK, [] [pid 3607] mount(NULL, "./config", "configfs", 0, NULL [pid 3606] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3607] <... mount resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./675/config" [pid 3607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3608] chdir("./666" [pid 3607] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3608] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3607] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3608] <... prctl resumed>) = 0 [pid 310] openat(AT_FDCWD, "./675/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3608] setpgid(0, 0 [pid 3607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3608] <... setpgid resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 3607] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(4 [pid 3607] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3607] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 3607] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3606] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3608] <... openat resumed>) = 3 [pid 3607] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3606] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3606] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 3608] write(3, "1000", 4 [pid 3607] <... unlinkat resumed>) = 0 [pid 3606] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3608] <... write resumed>) = 4 [pid 3607] exit_group(0 [pid 3606] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3608] close(3 [pid 3607] <... exit_group resumed>) = ? [pid 3606] <... exit_group resumed>) = ? [pid 3608] <... close resumed>) = 0 [pid 3607] +++ exited with 0 +++ [pid 3606] +++ exited with 0 +++ [pid 310] close(4 [pid 3608] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rmdir("./675/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3608] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3608] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 3608] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 3608] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(3) = 0 [pid 310] rmdir("./675" [pid 3608] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./676", 0777 [pid 3608] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 3608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./672", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3609 attached [pid 3608] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./653", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3609] set_robust_list(0x55556c898760, 24 [pid 3608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3609 [pid 308] openat(AT_FDCWD, "./672", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3609] <... set_robust_list resumed>) = 0 [pid 3608] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./653", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3609] rt_sigprocmask(SIG_SETMASK, [] [pid 3608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 3609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3608] <... mkdirat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] umount2("./626", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3609] chdir("./676" [pid 3608] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3609] <... chdir resumed>) = 0 [pid 3608] <... symlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3608] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./672/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3609] <... prctl resumed>) = 0 [pid 3608] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./653/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./626", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3609] setpgid(0, 0 [pid 3608] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] newfstatat(AT_FDCWD, "./672/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3609] <... setpgid resumed>) = 0 [pid 3608] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./653/binderfs" [pid 306] <... openat resumed>) = 3 [pid 3608] exit_group(0 [pid 308] unlink("./672/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3608] <... exit_group resumed>) = ? [pid 308] <... unlink resumed>) = 0 [pid 307] unlink("./653/binderfs" [pid 306] fstat(3 [pid 3609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3608] +++ exited with 0 +++ [pid 308] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 3609] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./672/config" [pid 307] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3609] write(3, "1000", 4 [pid 308] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./653/config" [pid 306] umount2("./626/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3609] <... write resumed>) = 4 [pid 308] openat(AT_FDCWD, "./672/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./626/binderfs" [pid 3609] close(3 [pid 308] fstat(4 [pid 307] openat(AT_FDCWD, "./653/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3609] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 307] fstat(4 [pid 306] unlink("./626/binderfs" [pid 3609] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 307] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... unlink resumed>) = 0 [pid 308] close(4 [pid 307] getdents64(4 [pid 3609] <... symlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./626/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./672/config" [pid 307] close(4 [pid 3609] write(1, "executing program\n", 18 [pid 308] <... rmdir resumed>) = 0 executing program [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 308] getdents64(3 [pid 307] rmdir("./653/config" [pid 306] umount2("./626/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3609] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./672" [pid 307] close(3 [pid 306] newfstatat(AT_FDCWD, "./626/config" [pid 3609] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 308] mkdir("./673", 0777 [pid 307] rmdir("./653" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3609] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] mkdir("./654", 0777 [pid 306] umount2("./626/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3609] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3609] <... mount resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3610 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./626/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 3610 attached [pid 3609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3611 [pid 306] <... openat resumed>) = 4 [pid 3609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(4 [pid 3609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 3611 attached [pid 3611] set_robust_list(0x55556c898760, 24 [pid 3609] <... mkdirat resumed>) = 0 [pid 306] getdents64(4 [pid 3609] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3611] <... set_robust_list resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3611] rt_sigprocmask(SIG_SETMASK, [] [pid 3609] <... symlinkat resumed>) = 0 [pid 306] getdents64(4 [pid 3609] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3609] <... unlinkat resumed>) = 0 [pid 306] close(4 [pid 3609] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... close resumed>) = 0 [pid 3611] chdir("./654" [pid 3609] <... unlinkat resumed>) = 0 [pid 306] rmdir("./626/config" [pid 3611] <... chdir resumed>) = 0 [pid 3611] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3611] setpgid(0, 0) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3609] exit_group(0 [pid 306] getdents64(3 [pid 3611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3609] <... exit_group resumed>) = ? [pid 306] close(3 [pid 3611] <... openat resumed>) = 3 [pid 3611] write(3, "1000", 4) = 4 [pid 3611] close(3) = 0 [pid 3611] symlink("/dev/binderfs", "./binderfs" [pid 3609] +++ exited with 0 +++ [pid 306] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 306] rmdir("./626" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3611] <... symlink resumed>) = 0 [pid 3611] write(1, "executing program\n", 18) = 18 [pid 3611] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] mkdir("./627", 0777 [pid 3611] <... mkdirat resumed>) = 0 [pid 3611] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... mkdir resumed>) = 0 [pid 309] umount2("./666", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./666", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(3 [pid 3611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 3611] <... mkdirat resumed>) = 0 [pid 3611] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3611] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3612 [pid 309] umount2("./666/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3611] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./666/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./666/binderfs" [pid 3611] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3611] exit_group(0) = ? [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./666/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./666/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./666/config" [pid 3611] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./666"ci2-android-6-1/strace-static-x86_64: Process 3612 attached [pid 3612] set_robust_list(0x55556c898760, 24) = 0 [pid 3612] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3612] chdir("./627" [pid 309] mkdir("./667", 0777 [pid 3612] <... chdir resumed>) = 0 [pid 3612] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3612] setpgid(0, 0) = 0 [pid 3612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 3612] <... openat resumed>) = 3 [pid 3612] write(3, "1000", 4) = 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3612] close(3) = 0 [pid 3612] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3612] <... symlink resumed>) = 0 [pid 3612] write(1, "executing program\n", 18) = 18 executing program [pid 3612] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3613 [pid 3610] set_robust_list(0x55556c898760, 24 [pid 3612] <... mkdirat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3610] <... set_robust_list resumed>) = 0 [pid 3612] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3612] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3612] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3610] rt_sigprocmask(SIG_SETMASK, [] [pid 3612] <... symlinkat resumed>) = 0 [pid 3612] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3612] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3610] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3612] <... unlinkat resumed>) = 0 [pid 3610] chdir("./673" [pid 3612] exit_group(0) = ? [pid 3610] <... chdir resumed>) = 0 [pid 3610] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./654", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3612] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./654", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... openat resumed>) = 3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 3613 attached [pid 307] getdents64(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 3613] set_robust_list(0x55556c898760, 24 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3613] <... set_robust_list resumed>) = 0 [pid 307] umount2("./654/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./676", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./654/binderfs" [pid 310] openat(AT_FDCWD, "./676", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] unlink("./654/binderfs" [pid 310] fstat(3 [pid 3613] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... unlink resumed>) = 0 [pid 3613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 307] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3613] chdir("./667" [pid 310] umount2("./676/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./676/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./654/config" [pid 310] unlink("./676/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3613] <... chdir resumed>) = 0 [pid 3613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3613] setpgid(0, 0) = 0 [pid 3613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3613] write(3, "1000", 4) = 4 [pid 3613] close(3) = 0 [pid 3613] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 307] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 307] openat(AT_FDCWD, "./654/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./676/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 3613] write(1, "executing program\n", 18 [pid 310] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 310] openat(AT_FDCWD, "./676/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] close(4 [pid 310] fstat(4 [pid 3613] <... write resumed>) = 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 307] rmdir("./654/config" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3613] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 executing program [pid 310] getdents64(4 [pid 3610] setpgid(0, 0 [pid 307] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3610] <... setpgid resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] close(3 [pid 310] rmdir("./676/config" [pid 307] <... close resumed>) = 0 [pid 3613] <... mkdirat resumed>) = 0 [pid 3613] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rmdir resumed>) = 0 [pid 3610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rmdir("./654" [pid 310] getdents64(3 [pid 3613] <... mount resumed>) = 0 [pid 3613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] close(3 [pid 307] mkdir("./655", 0777 [pid 310] <... close resumed>) = 0 [pid 3613] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] rmdir("./676" [pid 3613] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3613] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./627", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./677", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3613] <... unlinkat resumed>) = 0 [pid 3613] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] openat(AT_FDCWD, "./627", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3610] <... openat resumed>) = 3 [pid 3613] exit_group(0) = ? [pid 306] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3614 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3 [pid 3610] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3613] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 3614 attached [pid 3614] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3615 [pid 306] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3610] <... write resumed>) = 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./627/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3610] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3610] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./627/binderfs" [pid 3614] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3610] symlink("/dev/binderfs", "./binderfs" [pid 306] unlink("./627/binderfs" [pid 3614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3614] chdir("./655" [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./627/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3614] <... chdir resumed>) = 0 [pid 3614] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3614] setpgid(0, 0 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./627/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3614] <... setpgid resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3610] <... symlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./627/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3610] write(1, "executing program\n", 18 [pid 306] umount2("./627/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3610] <... write resumed>) = 18 executing program [pid 306] openat(AT_FDCWD, "./627/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 3610] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 3614] <... openat resumed>) = 3 [pid 309] umount2("./667", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 309] openat(AT_FDCWD, "./667", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] close(4 [pid 309] fstat(3 [pid 306] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./627/config" [pid 309] getdents64(3 [pid 3614] write(3, "1000", 4) = 4 [pid 3614] close(3) = 0 [pid 3614] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 309] umount2("./667/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 309] newfstatat(AT_FDCWD, "./667/binderfs" [pid 306] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./627" [pid 309] unlink("./667/binderfs" [pid 3614] <... symlink resumed>) = 0 [pid 3614] write(1, "executing program\n", 18 [pid 306] <... rmdir resumed>) = 0 [pid 3614] <... write resumed>) = 18 [pid 309] <... unlink resumed>) = 0 [pid 306] mkdir("./628", 0777 [pid 309] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3614] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3610] <... mkdirat resumed>) = 0 [pid 309] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3614] <... mkdirat resumed>) = 0 [pid 3614] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] newfstatat(AT_FDCWD, "./667/config" [pid 3610] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3616 [pid 309] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3614] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3610] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./667/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 4 [pid 3610] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 309] fstat(4 [pid 3614] <... mkdirat resumed>) = 0 [pid 3610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3614] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(4 [pid 3610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3614] <... symlinkat resumed>) = 0 [pid 3610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3614] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 3610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 3614] <... unlinkat resumed>) = 0 [pid 3610] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] close(4 [pid 3614] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-6-1/strace-static-x86_64: Process 3616 attached ci2-android-6-1/strace-static-x86_64: Process 3615 attached [pid 309] <... close resumed>) = 0 [pid 3610] <... symlinkat resumed>) = 0 [pid 309] rmdir("./667/config" [pid 3610] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3614] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3614] exit_group(0) = ? [pid 309] <... rmdir resumed>) = 0 [pid 3610] <... unlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 3610] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3614] +++ exited with 0 +++ [pid 3610] <... unlinkat resumed>) = 0 [pid 309] close(3 [pid 3615] set_robust_list(0x55556c898760, 24 [pid 309] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3610] exit_group(0 [pid 309] rmdir("./667" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3610] <... exit_group resumed>) = ? [pid 3615] <... set_robust_list resumed>) = 0 [pid 3615] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3615] chdir("./677" [pid 309] <... rmdir resumed>) = 0 [pid 3615] <... chdir resumed>) = 0 [pid 309] mkdir("./668", 0777 [pid 3615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3615] setpgid(0, 0) = 0 [pid 3615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 3615] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3615] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3615] close(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3615] <... close resumed>) = 0 [pid 3615] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3615] write(1, "executing program\n", 18) = 18 [pid 3615] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3617 attached ) = 0 [pid 3610] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3617 [pid 3615] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3617] set_robust_list(0x55556c898760, 24 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3617] <... set_robust_list resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3617] rt_sigprocmask(SIG_SETMASK, [] [pid 3615] <... mount resumed>) = 0 [pid 3617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3617] chdir("./668" [pid 3615] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3617] <... chdir resumed>) = 0 [pid 3615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3615] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3617] <... prctl resumed>) = 0 [pid 3615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3617] setpgid(0, 0 [pid 3616] set_robust_list(0x55556c898760, 24 [pid 3617] <... setpgid resumed>) = 0 [pid 3615] <... mkdirat resumed>) = 0 [pid 3616] <... set_robust_list resumed>) = 0 [pid 3615] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3616] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3616] chdir("./628" [pid 3615] <... symlinkat resumed>) = 0 [pid 3617] <... openat resumed>) = 3 [pid 3616] <... chdir resumed>) = 0 [pid 3615] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3616] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3616] setpgid(0, 0) = 0 [pid 3617] write(3, "1000", 4 [pid 3616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3615] <... unlinkat resumed>) = 0 [pid 3616] <... openat resumed>) = 3 [pid 3617] <... write resumed>) = 4 [pid 3615] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... restart_syscall resumed>) = 0 [pid 3616] write(3, "1000", 4) = 4 [pid 3616] close(3 [pid 307] umount2("./655", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3616] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3616] symlink("/dev/binderfs", "./binderfs" [pid 307] openat(AT_FDCWD, "./655", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] close(3 [pid 3615] <... unlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 3617] <... close resumed>) = 0 [pid 307] fstat(3 [pid 3617] symlink("/dev/binderfs", "./binderfs" [pid 3616] <... symlink resumed>) = 0 [pid 3615] exit_group(0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] write(1, "executing program\n", 18 [pid 3615] <... exit_group resumed>) = ? [pid 307] getdents64(3 [pid 3616] <... write resumed>) = 18 [pid 3616] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3616] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 307] umount2("./655/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3617] <... symlink resumed>) = 0 [pid 3616] <... mount resumed>) = 0 [pid 3615] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] write(1, "executing program\n", 18 [pid 3616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./655/binderfs" [pid 3617] <... write resumed>) = 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 3616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3617] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] unlink("./655/binderfs" [pid 3616] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... unlink resumed>) = 0 [pid 3616] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3616] <... symlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3617] <... mkdirat resumed>) = 0 [pid 307] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3616] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3617] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./655/config" [pid 3616] <... unlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3616] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3617] <... mount resumed>) = 0 [pid 308] umount2("./673", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./655/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./673", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3616] <... unlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 4 [pid 3617] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3616] exit_group(0 [pid 308] fstat(3 [pid 307] fstat(4 [pid 3617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3616] <... exit_group resumed>) = ? [pid 3617] <... mkdirat resumed>) = 0 [pid 3616] +++ exited with 0 +++ [pid 308] getdents64(3 [pid 307] getdents64(4 [pid 3617] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3617] <... symlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3617] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./673/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3617] <... unlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./673/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3617] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(4 [pid 308] unlink("./673/binderfs" [pid 306] umount2("./628", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 3617] <... unlinkat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] rmdir("./655/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3617] exit_group(0 [pid 307] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./628", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3617] <... exit_group resumed>) = ? [pid 3617] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 308] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 308] newfstatat(AT_FDCWD, "./673/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 308] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 307] rmdir("./655" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./673/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... openat resumed>) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./628/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 307] mkdir("./656", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./628/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3618 [pid 306] unlink("./628/binderfs" [pid 308] close(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./628/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./673/config"ci2-android-6-1/strace-static-x86_64: Process 3618 attached [pid 306] <... umount2 resumed>) = 0 [pid 309] umount2("./668", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3618] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./628/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 309] openat(AT_FDCWD, "./668", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./628/config" [pid 308] close(3 [pid 309] fstat(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./628/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 3618] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] rmdir("./673" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3618] chdir("./656") = 0 [pid 3618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] umount2("./668/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./628/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./674", 0777 [pid 309] newfstatat(AT_FDCWD, "./668/binderfs" [pid 306] <... openat resumed>) = 4 [pid 3618] setpgid(0, 0) = 0 [pid 3618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] fstat(4 [pid 309] unlink("./668/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] <... openat resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4 [pid 309] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3618] write(3, "1000", 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./677", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3618] <... write resumed>) = 4 [pid 3618] close(3) = 0 [pid 3618] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./677", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(4ci2-android-6-1/strace-static-x86_64: Process 3619 attached [pid 309] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3619 [pid 310] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./668/config" [pid 306] rmdir("./628/config" [pid 3619] set_robust_list(0x55556c898760, 24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3619] <... set_robust_list resumed>) = 0 [pid 310] umount2("./677/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./668/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 310] newfstatat(AT_FDCWD, "./677/binderfs" [pid 309] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 310] unlink("./677/binderfs" [pid 309] fstat(4 [pid 306] rmdir("./628" [pid 3619] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] <... symlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 310] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./629", 0777 [pid 3618] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3618] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(4 executing program [pid 3618] mkdirat(AT_FDCWD, "./config", 0777 [pid 3619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3618] <... mkdirat resumed>) = 0 [pid 310] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3619] chdir("./674" [pid 310] newfstatat(AT_FDCWD, "./677/config" [pid 309] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./668/config" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3619] <... chdir resumed>) = 0 [pid 310] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3618] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 3618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./677/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3620 [pid 3619] <... prctl resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3619] setpgid(0, 0 [pid 310] fstat(4 [pid 309] rmdir("./668" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3619] <... setpgid resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3618] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 3618] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] mkdir("./669", 0777 [pid 3619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(4 [pid 3618] <... unlinkat resumed>) = 0 [pid 3618] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 310] close(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3619] <... openat resumed>) = 3 [pid 310] rmdir("./677/config" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3618] exit_group(0) = ? [pid 3618] +++ exited with 0 +++ [pid 3619] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3621 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3619] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3619] close(3 [pid 310] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3620 attached [pid 310] <... close resumed>) = 0 [pid 3620] set_robust_list(0x55556c898760, 24) = 0 [pid 310] rmdir("./677" [pid 3619] <... close resumed>) = 0 [pid 3620] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3620] chdir("./629") = 0 [pid 3619] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 3620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] mkdir("./678", 0777 [pid 3620] <... prctl resumed>) = 0 [pid 3620] setpgid(0, 0) = 0 [pid 3620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 3620] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3619] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3620] <... write resumed>) = 4 [pid 3619] write(1, "executing program\n", 18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3620] close(3) = 0 [pid 3620] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3620] write(1, "executing program\n", 18) = 18 [pid 3620] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3621 attached ) = 0 [pid 3619] <... write resumed>) = 18 executing program executing program [pid 3620] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3622 [pid 3619] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] umount2("./656", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./656", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3619] <... mkdirat resumed>) = 0 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./656/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./656/binderfs" [pid 3619] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./656/binderfs") = 0 [pid 307] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3619] <... mount resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] newfstatat(AT_FDCWD, "./656/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./656/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3619] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 3619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rmdir("./656/config" [pid 3621] set_robust_list(0x55556c898760, 24 [pid 3619] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 3621] <... set_robust_list resumed>) = 0 [pid 3619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rmdir("./656") = 0 [pid 3619] <... mkdirat resumed>) = 0 [pid 307] mkdir("./657", 0777 [pid 3621] rt_sigprocmask(SIG_SETMASK, [] [pid 3620] <... mount resumed>) = 0 [pid 3619] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... mkdir resumed>) = 0 [pid 3620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3620] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3619] <... symlinkat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3619] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3623 attached [pid 3621] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3620] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3619] <... unlinkat resumed>) = 0 [pid 3620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3619] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3623 [pid 3620] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3620] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3620] <... symlinkat resumed>) = 0 [pid 3620] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3619] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3620] <... unlinkat resumed>) = 0 [pid 3619] exit_group(0 [pid 3621] chdir("./669" [pid 3620] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3619] <... exit_group resumed>) = ? [pid 3620] <... unlinkat resumed>) = 0 [pid 3620] exit_group(0) = ? [pid 3620] +++ exited with 0 +++ [pid 3619] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 3622 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3621] <... chdir resumed>) = 0 [pid 3622] set_robust_list(0x55556c898760, 24) = 0 [pid 3622] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3622] chdir("./678") = 0 [pid 3622] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3622] setpgid(0, 0) = 0 [pid 3622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3622] write(3, "1000", 4) = 4 [pid 3622] close(3) = 0 [pid 3621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... restart_syscall resumed>) = 0 [pid 3622] symlink("/dev/binderfs", "./binderfs" [pid 3621] <... prctl resumed>) = 0 [pid 3623] set_robust_list(0x55556c898760, 24 [pid 3622] <... symlink resumed>) = 0 [pid 3621] setpgid(0, 0 [pid 3622] write(1, "executing program\n", 18 [pid 306] umount2("./629", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3621] <... setpgid resumed>) = 0 [pid 3622] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] mkdirat(AT_FDCWD, "./config", 0777 [pid 3621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 306] openat(AT_FDCWD, "./629", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] <... set_robust_list resumed>) = 0 [pid 3622] <... mkdirat resumed>) = 0 [pid 3621] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 3621] write(3, "1000", 4 [pid 306] fstat(3 [pid 3622] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3621] <... write resumed>) = 4 [pid 3622] <... mount resumed>) = 0 [pid 306] getdents64(3 [pid 3621] close(3 [pid 3622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3621] <... close resumed>) = 0 [pid 306] umount2("./629/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3621] symlink("/dev/binderfs", "./binderfs" [pid 3622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] newfstatat(AT_FDCWD, "./629/binderfs" [pid 3622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3621] <... symlink resumed>) = 0 [pid 306] unlink("./629/binderfs" [pid 3622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3622] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... unlink resumed>) = 0 [pid 3621] write(1, "executing program\n", 18 executing program [pid 306] umount2("./629/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3622] <... symlinkat resumed>) = 0 [pid 3621] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = 0 [pid 3622] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] umount2("./629/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3621] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] newfstatat(AT_FDCWD, "./629/config" [pid 3622] <... unlinkat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3622] exit_group(0 [pid 306] umount2("./629/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3621] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3622] <... exit_group resumed>) = ? [pid 3621] mount(NULL, "./config", "configfs", 0, NULL [pid 306] openat(AT_FDCWD, "./629/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] rt_sigprocmask(SIG_SETMASK, [] [pid 3622] +++ exited with 0 +++ [pid 3621] <... mount resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 3623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3623] chdir("./657" [pid 306] getdents64(4 [pid 3623] <... chdir resumed>) = 0 [pid 310] umount2("./678", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3621] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 310] openat(AT_FDCWD, "./678", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 3 [pid 3621] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 306] close(4 [pid 3621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 306] rmdir("./629/config" [pid 3623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3623] <... prctl resumed>) = 0 [pid 3623] setpgid(0, 0) = 0 [pid 3623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 310] umount2("./678/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 3623] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3621] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./678/binderfs" [pid 306] close(3 [pid 3623] write(3, "1000", 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3621] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] unlink("./678/binderfs" [pid 306] <... close resumed>) = 0 [pid 3623] <... write resumed>) = 4 [pid 3623] close(3) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] rmdir("./629" [pid 310] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3623] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3623] write(1, "executing program\n", 18 [pid 306] <... rmdir resumed>) = 0 [pid 3623] <... write resumed>) = 18 [pid 3623] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 306] mkdir("./630", 0777 [pid 3621] <... symlinkat resumed>) = 0 [pid 310] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3623] <... mkdirat resumed>) = 0 [pid 3621] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./678/config" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3621] <... unlinkat resumed>) = 0 [pid 3623] mount(NULL, "./config", "configfs", 0, NULL [pid 3621] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] <... mount resumed>) = 0 [pid 3623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./678/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3623] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3624 executing program [pid 310] fstat(4 [pid 3623] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3621] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3623] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3623] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 3621] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./674", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3621] <... exit_group resumed>) = ? [pid 310] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3623] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./674", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./678/config" [pid 3623] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... openat resumed>) = 3 [pid 3623] exit_group(0) = ? [pid 3623] +++ exited with 0 +++ [pid 3621] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 310] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] close(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... close resumed>) = 0 [pid 308] umount2("./674/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./678" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./674/binderfs" [pid 310] mkdir("./679", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 3624 attached [pid 3624] set_robust_list(0x55556c898760, 24) = 0 [pid 3624] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3624] chdir("./630" [pid 310] <... mkdir resumed>) = 0 [pid 308] unlink("./674/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3624] <... chdir resumed>) = 0 [pid 3624] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3624] <... prctl resumed>) = 0 [pid 3624] setpgid(0, 0) = 0 [pid 3624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3624] write(3, "1000", 4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3625 [pid 308] <... umount2 resumed>) = 0 [pid 3624] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3624] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./674/config" [pid 3624] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 3624] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3624] write(1, "executing program\n", 18) = 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] openat(AT_FDCWD, "./674/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3624] <... mkdirat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 3624] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./669", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] openat(AT_FDCWD, "./669", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3624] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 308] getdents64(4 [pid 3624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3624] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 3624] <... mkdirat resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 3624] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rmdir("./674/config" [pid 309] umount2("./669/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3624] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3624] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./669/binderfs" [pid 308] getdents64(3 [pid 3624] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] unlink("./669/binderfs" [pid 308] close(3 [pid 3624] <... exit_group resumed>) = ? [pid 3624] +++ exited with 0 +++ [pid 309] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 309] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./674"ci2-android-6-1/strace-static-x86_64: Process 3625 attached [pid 3625] set_robust_list(0x55556c898760, 24) = 0 [pid 3625] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] mkdir("./675", 0777 [pid 309] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3625] chdir("./679") = 0 [pid 3625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3625] setpgid(0, 0) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./669/config" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3625] <... openat resumed>) = 3 [pid 3625] write(3, "1000", 4) = 4 [pid 3625] close(3) = 0 [pid 3625] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3625] write(1, "executing program\n", 18 [pid 309] openat(AT_FDCWD, "./669/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3626 [pid 3625] <... write resumed>) = 18 [pid 309] <... openat resumed>) = 4 executing program [pid 3625] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] fstat(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3625] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 3625] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3625] <... mount resumed>) = 0 [pid 309] getdents64(4 [pid 3625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3625] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(4 [pid 3625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... close resumed>) = 0 [pid 3625] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./669/config" [pid 3625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3625] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(3 [pid 3625] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3625] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 3625] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./669" [pid 3625] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3625] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./630", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./670", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./657", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./657", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... mkdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./630", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] fstat(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 306] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./657/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./657/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./657/binderfs") = 0 [pid 307] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3627 [pid 307] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./657/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./657/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] umount2("./630/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./630/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3625] <... exit_group resumed>) = ? [pid 307] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 3627 attached [pid 3625] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] unlink("./630/binderfs" [pid 307] close(4) = 0 [pid 307] rmdir("./657/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./630/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 310] umount2("./679", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./657" [pid 306] umount2("./630/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./679", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] mkdir("./658", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3627] set_robust_list(0x55556c898760, 24 [pid 310] fstat(3 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] newfstatat(AT_FDCWD, "./630/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3627] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./630/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./679/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3628 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./679/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./630/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./679/binderfs" [pid 306] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 3626 attached [pid 3626] set_robust_list(0x55556c898760, 24 [pid 310] <... unlink resumed>) = 0 [pid 306] fstat(4 [pid 310] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3626] <... set_robust_list resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3628 attached [pid 3627] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 306] getdents64(4 [pid 3627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3627] chdir("./670" [pid 3626] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3627] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./679/config" [pid 306] getdents64(4 [pid 3627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3627] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3627] setpgid(0, 0 [pid 310] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 3627] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3626] chdir("./675" [pid 310] openat(AT_FDCWD, "./679/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 3626] <... chdir resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] rmdir("./630/config" [pid 3627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] fstat(4 [pid 3626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3626] setpgid(0, 0) = 0 [pid 3626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3627] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 306] getdents64(3 [pid 3627] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3627] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 3627] close(3 [pid 306] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3627] <... close resumed>) = 0 [pid 3626] <... openat resumed>) = 3 [pid 310] close(4 [pid 306] <... close resumed>) = 0 [pid 3627] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 306] rmdir("./630" [pid 310] rmdir("./679/config" [pid 3626] write(3, "1000", 4) = 4 [pid 3626] close(3) = 0 [pid 3626] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 3626] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] mkdir("./631", 0777 [pid 310] getdents64(3 [pid 3626] write(1, "executing program\n", 18) = 18 [pid 3626] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 3627] <... symlink resumed>) = 0 [pid 3626] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3627] write(1, "executing program\n", 18 [pid 310] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3626] mount(NULL, "./config", "configfs", 0, NULL [pid 3628] set_robust_list(0x55556c898760, 24 executing program [pid 3627] <... write resumed>) = 18 [pid 3626] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rmdir("./679" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3628] <... set_robust_list resumed>) = 0 [pid 3627] mkdirat(AT_FDCWD, "./config", 0777 [pid 3626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 3626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3626] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3626] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] mkdir("./680", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3629 [pid 3626] <... unlinkat resumed>) = 0 [pid 3626] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3626] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3626] <... exit_group resumed>) = ? [pid 3626] +++ exited with 0 +++ [pid 3627] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3630 [pid 3627] mount(NULL, "./config", "configfs", 0, NULL [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3627] <... mount resumed>) = 0 [pid 3627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3628] rt_sigprocmask(SIG_SETMASK, [] [pid 3627] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 3629 attached [pid 3628] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3629] set_robust_list(0x55556c898760, 24 [pid 3627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3628] chdir("./658" [pid 3627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3629] <... set_robust_list resumed>) = 0 [pid 3629] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3627] <... mkdirat resumed>) = 0 [pid 3629] chdir("./631" [pid 3628] <... chdir resumed>) = 0 [pid 3627] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3629] <... chdir resumed>) = 0 [pid 3629] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3629] setpgid(0, 0 [pid 3628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3627] <... symlinkat resumed>) = 0 [pid 3629] <... setpgid resumed>) = 0 [pid 3628] <... prctl resumed>) = 0 [pid 3627] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3628] setpgid(0, 0 [pid 3627] <... unlinkat resumed>) = 0 [pid 3629] <... openat resumed>) = 3 [pid 3628] <... setpgid resumed>) = 0 [pid 3627] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3629] write(3, "1000", 4) = 4 [pid 3629] close(3) = 0 [pid 3627] <... unlinkat resumed>) = 0 [pid 3629] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3627] exit_group(0 [pid 3629] write(1, "executing program\n", 18 [pid 3627] <... exit_group resumed>) = ? [pid 3629] <... write resumed>) = 18 [pid 3628] <... openat resumed>) = 3 [pid 3629] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3627] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 3630 attached executing program [pid 3628] write(3, "1000", 4 [pid 3630] set_robust_list(0x55556c898760, 24 [pid 3628] <... write resumed>) = 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3630] <... set_robust_list resumed>) = 0 [pid 3628] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3630] rt_sigprocmask(SIG_SETMASK, [] [pid 3628] <... close resumed>) = 0 [pid 3629] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3630] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3630] chdir("./680") = 0 [pid 3629] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3630] setpgid(0, 0 [pid 3629] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3630] <... setpgid resumed>) = 0 [pid 3629] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3628] symlink("/dev/binderfs", "./binderfs" [pid 3629] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3630] <... openat resumed>) = 3 [pid 3628] <... symlink resumed>) = 0 [pid 3630] write(3, "1000", 4) = 4 [pid 3629] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3630] close(3 [pid 3629] <... symlinkat resumed>) = 0 [pid 3628] write(1, "executing program\n", 18 [pid 3630] <... close resumed>) = 0 [pid 3628] <... write resumed>) = 18 executing program [pid 3630] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3628] mkdirat(AT_FDCWD, "./config", 0777 [pid 3629] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3629] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3629] exit_group(0) = ? [pid 3630] write(1, "executing program\n", 18 [pid 3629] +++ exited with 0 +++ [pid 3628] <... mkdirat resumed>) = 0 executing program [pid 3630] <... write resumed>) = 18 [pid 3630] mkdirat(AT_FDCWD, "./config", 0777 [pid 3628] mount(NULL, "./config", "configfs", 0, NULL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3628] <... mount resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3630] <... mkdirat resumed>) = 0 [pid 3628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3630] mount(NULL, "./config", "configfs", 0, NULL [pid 3628] <... mkdirat resumed>) = 0 [pid 3628] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3630] <... mount resumed>) = 0 [pid 3628] <... symlinkat resumed>) = 0 [pid 3628] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3628] <... unlinkat resumed>) = 0 [pid 3628] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3630] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3628] <... unlinkat resumed>) = 0 [pid 3628] exit_group(0) = ? [pid 3630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3628] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3630] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3630] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3630] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./675", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3630] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3630] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] openat(AT_FDCWD, "./675", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3630] <... unlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 3630] exit_group(0 [pid 308] fstat(3 [pid 3630] <... exit_group resumed>) = ? [pid 3630] +++ exited with 0 +++ [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./675/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./631", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./675/binderfs" [pid 306] openat(AT_FDCWD, "./631", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] umount2("./680", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 310] openat(AT_FDCWD, "./680", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] unlink("./675/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 306] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] getdents64(3 [pid 306] umount2("./631/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./670", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./631/binderfs" [pid 310] umount2("./680/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./670", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./680/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./631/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./675/config" [pid 310] unlink("./680/binderfs" [pid 309] fstat(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./631/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] openat(AT_FDCWD, "./675/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = 0 [pid 306] umount2("./631/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./670/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./631/config" [pid 310] newfstatat(AT_FDCWD, "./680/config" [pid 309] newfstatat(AT_FDCWD, "./670/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./670/binderfs" [pid 308] getdents64(4 [pid 306] umount2("./631/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./680/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 309] <... umount2 resumed>) = 0 [pid 306] openat(AT_FDCWD, "./631/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] fstat(4 [pid 309] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 306] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./670/config" [pid 308] <... close resumed>) = 0 [pid 306] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rmdir("./675/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 309] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] close(4 [pid 309] openat(AT_FDCWD, "./670/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 310] rmdir("./680/config" [pid 308] close(3 [pid 306] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./631/config" [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 307] umount2("./658", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rmdir("./675" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./631" [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./658", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] close(4 [pid 308] mkdir("./676", 0777 [pid 306] mkdir("./632", 0777 [pid 310] rmdir("./680" [pid 309] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./670/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] fstat(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3631 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3631 attached [pid 310] mkdir("./681", 0777 [pid 3631] set_robust_list(0x55556c898760, 24) = 0 [pid 3631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3631] chdir("./632" [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3631] <... chdir resumed>) = 0 [pid 3631] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3631] setpgid(0, 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 3631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3631] write(3, "1000", 4) = 4 [pid 3631] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3632 [pid 307] umount2("./658/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3631] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./658/binderfs" [pid 3631] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3631] write(1, "executing program\n", 18) = 18 executing program [pid 3631] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3633 attached ) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3633 [pid 309] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3631] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./670" [pid 307] unlink("./658/binderfs" [pid 3631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... unlink resumed>) = 0 [pid 3631] <... mkdirat resumed>) = 0 [pid 3631] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3631] <... symlinkat resumed>) = 0 [pid 3631] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = 0 [pid 309] mkdir("./671", 0777 [pid 3633] set_robust_list(0x55556c898760, 24 [pid 3631] <... unlinkat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3631] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3633] <... set_robust_list resumed>) = 0 [pid 3631] <... unlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3631] exit_group(0) = ? [pid 3633] rt_sigprocmask(SIG_SETMASK, [] [pid 3631] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./658/config"ci2-android-6-1/strace-static-x86_64: Process 3632 attached [pid 3632] set_robust_list(0x55556c898760, 24) = 0 [pid 3632] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3632] chdir("./676" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3632] <... chdir resumed>) = 0 [pid 3632] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3632] setpgid(0, 0) = 0 [pid 3632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3632] write(3, "1000", 4) = 4 [pid 3632] close(3) = 0 [pid 3632] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3632] write(1, "executing program\n", 18) = 18 executing program [pid 3632] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3632] <... mkdirat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3634 [pid 307] openat(AT_FDCWD, "./658/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3632] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... openat resumed>) = 4 [pid 3632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(4 [pid 3632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3633] chdir("./681" [pid 3632] <... mkdirat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3632] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] getdents64(4 [pid 3632] <... symlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3632] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] getdents64(4 [pid 3632] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3632] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] close(4 [pid 3632] <... unlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 3632] exit_group(0 [pid 307] rmdir("./658/config" [pid 3632] <... exit_group resumed>) = ? [pid 3633] <... chdir resumed>) = 0 [pid 3632] +++ exited with 0 +++ [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3634 attached [pid 3634] set_robust_list(0x55556c898760, 24 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3634] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3634] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(3 [pid 3634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 3634] chdir("./671" [pid 307] rmdir("./658" [pid 3634] <... chdir resumed>) = 0 [pid 3634] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3634] setpgid(0, 0) = 0 [pid 3634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 3634] write(3, "1000", 4 [pid 307] mkdir("./659", 0777 [pid 3634] <... write resumed>) = 4 [pid 3634] close(3) = 0 [pid 3634] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3634] write(1, "executing program\n", 18 [pid 307] <... mkdir resumed>) = 0 executing program [pid 3634] <... write resumed>) = 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3634] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3634] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] umount2("./632", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3635 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3634] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./632", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3634] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3634] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 3634] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3634] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(3 [pid 3634] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3634] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./632/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3634] <... symlinkat resumed>) = 0 [pid 3633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3634] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] newfstatat(AT_FDCWD, "./632/binderfs" [pid 3634] <... unlinkat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3634] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] unlink("./632/binderfs" [pid 3634] <... unlinkat resumed>) = 0 [pid 3634] exit_group(0 [pid 306] <... unlink resumed>) = 0 [pid 3634] <... exit_group resumed>) = ? [pid 306] umount2("./632/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3634] +++ exited with 0 +++ [pid 3633] <... prctl resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./632/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3635 attached [pid 306] newfstatat(AT_FDCWD, "./632/config" [pid 308] umount2("./676", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./632/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./676", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3635] set_robust_list(0x55556c898760, 24 [pid 308] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./632/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(3 [pid 306] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(4 [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3635] <... set_robust_list resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(4 [pid 308] umount2("./676/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3635] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] newfstatat(AT_FDCWD, "./676/binderfs" [pid 306] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] unlink("./676/binderfs" [pid 306] close(4 [pid 3635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3635] chdir("./659") = 0 [pid 3635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 308] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./632/config" [pid 3635] <... prctl resumed>) = 0 [pid 3635] setpgid(0, 0 [pid 308] <... umount2 resumed>) = 0 [pid 3635] <... setpgid resumed>) = 0 [pid 3635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./676/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(3 [pid 3635] write(3, "1000", 4) = 4 [pid 3635] close(3) = 0 [pid 3635] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 3635] <... symlink resumed>) = 0 [pid 3633] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./632" [pid 308] openat(AT_FDCWD, "./676/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3635] write(1, "executing program\n", 18) = 18 executing program [pid 3635] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3633] <... setpgid resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 308] fstat(4 [pid 306] mkdir("./633", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3635] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... mkdir resumed>) = 0 [pid 308] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3635] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3635] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] close(4 [pid 3635] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3636 [pid 308] rmdir("./676/config" [pid 3635] <... unlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3635] exit_group(0 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3635] <... exit_group resumed>) = ? [pid 3635] +++ exited with 0 +++ [pid 3633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] close(3 [pid 309] umount2("./671", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rmdir("./676" [pid 309] openat(AT_FDCWD, "./671", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3636 attached [pid 3636] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3636] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 308] mkdir("./677", 0777 [pid 309] fstat(3 [pid 3636] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3636] chdir("./633") = 0 [pid 3636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3636] setpgid(0, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3636] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./671/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3636] write(3, "1000", 4) = 4 [pid 3636] close(3) = 0 [pid 3636] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./671/binderfs" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3637 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./671/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3633] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3633] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = 0 [pid 3633] <... write resumed>) = 4 [pid 309] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3636] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3633] close(3 [pid 309] newfstatat(AT_FDCWD, "./671/config" [pid 3636] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3633] <... close resumed>) = 0 [pid 309] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3636] <... write resumed>) = 18 executing program [pid 3636] mkdirat(AT_FDCWD, "./config", 0777 [pid 3633] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3636] <... mkdirat resumed>) = 0 [pid 3633] <... symlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./671/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 3637 attached [pid 3637] set_robust_list(0x55556c898760, 24 [pid 309] <... openat resumed>) = 4 [pid 3633] write(1, "executing program\n", 18 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] fstat(4 [pid 3633] <... write resumed>) = 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3637] <... set_robust_list resumed>) = 0 [pid 309] getdents64(4 [pid 307] umount2("./659", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3633] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./659", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 307] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 307] fstat(3 [pid 309] rmdir("./671/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3637] chdir("./677" [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 309] getdents64(3 [pid 3637] <... chdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3637] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] umount2("./659/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3637] setpgid(0, 0) = 0 [pid 3637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3637] write(3, "1000", 4) = 4 [pid 3637] close(3) = 0 [pid 3637] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 307] newfstatat(AT_FDCWD, "./659/binderfs" [pid 309] <... close resumed>) = 0 executing program [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./671" [pid 307] unlink("./659/binderfs" [pid 3637] <... symlink resumed>) = 0 [pid 3637] write(1, "executing program\n", 18) = 18 [pid 309] <... rmdir resumed>) = 0 [pid 3637] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... unlink resumed>) = 0 [pid 309] mkdir("./672", 0777 [pid 307] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3637] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 3637] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] newfstatat(AT_FDCWD, "./659/config" [pid 3637] <... mount resumed>) = 0 [pid 3637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3638 [pid 307] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./659/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 3636] mount(NULL, "./config", "configfs", 0, NULL [pid 307] fstat(4 [pid 3633] <... mkdirat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3637] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 3637] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3633] mount(NULL, "./config", "configfs", 0, NULL [pid 307] getdents64(4 [pid 3636] <... mount resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3637] <... symlinkat resumed>) = 0 [pid 3636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] close(4 [pid 3637] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3636] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... close resumed>) = 0 [pid 3636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3633] <... mount resumed>) = 0 [pid 307] rmdir("./659/config" [pid 3637] <... unlinkat resumed>) = 0 [pid 3637] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3637] exit_group(0 [pid 3636] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 3637] <... exit_group resumed>) = ? [pid 307] getdents64(3 [pid 3636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3633] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3637] +++ exited with 0 +++ [pid 3636] <... mkdirat resumed>) = 0 [pid 3633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] close(3ci2-android-6-1/strace-static-x86_64: Process 3638 attached ) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./659" [pid 3636] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3633] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3638] set_robust_list(0x55556c898760, 24) = 0 [pid 3638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] mkdir("./660", 0777 [pid 3638] chdir("./672") = 0 [pid 3638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3638] setpgid(0, 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3633] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3636] <... symlinkat resumed>) = 0 [pid 3633] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3638] write(3, "1000", 4) = 4 [pid 3638] close(3) = 0 [pid 3638] symlink("/dev/binderfs", "./binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3639 [pid 307] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 3636] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3633] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3633] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3636] <... unlinkat resumed>) = 0 [pid 3633] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3636] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3638] <... symlink resumed>) = 0 [pid 3638] write(1, "executing program\n", 18) = 18 [pid 3638] mkdirat(AT_FDCWD, "./config", 0777 [pid 3633] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3636] <... unlinkat resumed>) = 0 [pid 3633] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3636] exit_group(0 [pid 3638] <... mkdirat resumed>) = 0 [pid 3633] exit_group(0 [pid 3636] <... exit_group resumed>) = ? [pid 3638] mount(NULL, "./config", "configfs", 0, NULL [pid 3633] <... exit_group resumed>) = ? [pid 3638] <... mount resumed>) = 0 [pid 3638] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3638] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3638] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 3638] <... mkdirat resumed>) = 0 [pid 3638] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./677", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./677", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3638] <... symlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 3638] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3633] +++ exited with 0 +++ [pid 308] umount2("./677/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3638] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] newfstatat(AT_FDCWD, "./677/binderfs" [pid 3638] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3638] exit_group(0 [pid 308] unlink("./677/binderfs" [pid 3636] +++ exited with 0 +++ [pid 3638] <... exit_group resumed>) = ? [pid 3638] +++ exited with 0 +++ [pid 308] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3639 attached [pid 308] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = 0 [pid 3639] set_robust_list(0x55556c898760, 24 [pid 308] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3639] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./677/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3639] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./677/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3639] chdir("./660" [pid 308] <... openat resumed>) = 4 [pid 3639] <... chdir resumed>) = 0 [pid 308] fstat(4 [pid 3639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3639] <... prctl resumed>) = 0 [pid 308] getdents64(4 [pid 3639] setpgid(0, 0) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] getdents64(4 [pid 3639] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3639] <... write resumed>) = 4 [pid 3639] close(3) = 0 [pid 308] close(4 [pid 3639] symlink("/dev/binderfs", "./binderfs" [pid 308] <... close resumed>) = 0 [pid 3639] <... symlink resumed>) = 0 [pid 308] rmdir("./677/config" [pid 3639] write(1, "executing program\n", 18) = 18 [pid 3639] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 3639] <... mkdirat resumed>) = 0 executing program [pid 3639] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 310] umount2("./681", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 3639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] openat(AT_FDCWD, "./681", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 308] rmdir("./677" [pid 3639] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3639] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] umount2("./672", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./678", 0777 [pid 3639] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3639] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3639] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... mkdir resumed>) = 0 [pid 310] umount2("./681/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./672", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./681/binderfs" [pid 309] fstat(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] unlink("./681/binderfs" [pid 309] getdents64(3 [pid 3639] <... unlinkat resumed>) = 0 [pid 3639] exit_group(0) = ? [pid 3639] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./672/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3640 ci2-android-6-1/strace-static-x86_64: Process 3640 attached [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./672/binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./672/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./681/config" [pid 3640] set_robust_list(0x55556c898760, 24 [pid 309] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3640] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./681/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3640] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./672/config" [pid 310] fstat(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 3640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./672/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 309] <... openat resumed>) = 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 executing program [pid 310] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 3640] chdir("./678" [pid 309] getdents64(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./681/config" [pid 306] umount2("./633", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3640] <... chdir resumed>) = 0 [pid 3640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3640] setpgid(0, 0) = 0 [pid 3640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3640] write(3, "1000", 4) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3640] close(3) = 0 [pid 3640] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./633", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 309] getdents64(4 [pid 307] umount2("./660", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 310] <... close resumed>) = 0 [pid 309] close(4 [pid 310] rmdir("./681" [pid 307] openat(AT_FDCWD, "./660", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3640] <... symlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 3640] write(1, "executing program\n", 18 [pid 307] fstat(3 [pid 306] getdents64(3 [pid 3640] <... write resumed>) = 18 [pid 3640] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./672/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] mkdir("./682", 0777 [pid 3640] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] umount2("./633/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3640] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./660/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./633/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./660/binderfs" [pid 306] unlink("./633/binderfs" [pid 3640] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3640] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3640] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3640] exit_group(0) = ? [pid 3640] +++ exited with 0 +++ [pid 309] rmdir("./672" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... unlink resumed>) = 0 [pid 307] unlink("./660/binderfs" [pid 306] umount2("./633/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3641 attached [pid 307] <... unlink resumed>) = 0 [pid 3641] set_robust_list(0x55556c898760, 24 [pid 306] <... umount2 resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3641] <... set_robust_list resumed>) = 0 [pid 3641] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./633/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./673", 0777 [pid 307] <... umount2 resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3641 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3641] chdir("./682") = 0 [pid 3641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3641] setpgid(0, 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./633/config" [pid 307] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./633/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./660/config" [pid 3641] <... setpgid resumed>) = 0 [pid 3641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3641] write(3, "1000", 4) = 4 [pid 3641] close(3) = 0 [pid 3641] symlink("/dev/binderfs", "./binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3642 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./633/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./660/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(4 [pid 307] <... openat resumed>) = 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(4 [pid 306] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 306] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3641] <... symlink resumed>) = 0 [pid 307] close(4 [pid 306] <... close resumed>) = 0 [pid 3641] write(1, "executing program\n", 18 [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./633/config" [pid 307] rmdir("./660/config" [pid 3641] <... write resumed>) = 18 [pid 3641] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 3641] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 3641] <... mount resumed>) = 0 [pid 307] close(3 [pid 306] close(3 [pid 3641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 307] rmdir("./660" [pid 306] rmdir("./633" [pid 3641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3641] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... rmdir resumed>) = 0 [pid 307] mkdir("./661", 0777 [pid 306] mkdir("./634", 0777 [pid 3641] <... symlinkat resumed>) = 0 [pid 3641] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3641] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3641] exit_group(0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3641] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3641] +++ exited with 0 +++ [pid 308] umount2("./678", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3643 ci2-android-6-1/strace-static-x86_64: Process 3642 attached [pid 3642] set_robust_list(0x55556c898760, 24) = 0 [pid 3642] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3642] chdir("./673") = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./678", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3644 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 3642] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3642] setpgid(0, 0 [pid 308] umount2("./678/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3642] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./678/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./678/binderfs" [pid 3642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... unlink resumed>) = 0 [pid 3642] <... openat resumed>) = 3 [pid 308] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3642] write(3, "1000", 4) = 4 [pid 308] <... umount2 resumed>) = 0 [pid 3642] close(3 [pid 308] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3642] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3642] symlink("/dev/binderfs", "./binderfs" [pid 308] newfstatat(AT_FDCWD, "./678/config" [pid 3642] <... symlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 3642] write(1, "executing program\n", 18 [pid 308] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3642] <... write resumed>) = 18 [pid 3642] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3643 attached [pid 3642] <... mkdirat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./678/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3642] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 3642] <... mount resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3643] set_robust_list(0x55556c898760, 24 [pid 308] getdents64(4 [pid 3642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3642] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 3642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3642] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] close(4 [pid 3642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3644 attached [pid 3643] <... set_robust_list resumed>) = 0 [pid 308] rmdir("./678/config" [pid 3642] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3642] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3642] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(3 [pid 3642] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3642] exit_group(0 [pid 308] close(3 [pid 3642] <... exit_group resumed>) = ? [pid 308] <... close resumed>) = 0 [pid 3644] set_robust_list(0x55556c898760, 24 [pid 3643] rt_sigprocmask(SIG_SETMASK, [] [pid 3642] +++ exited with 0 +++ [pid 308] rmdir("./678" [pid 3644] <... set_robust_list resumed>) = 0 [pid 3644] rt_sigprocmask(SIG_SETMASK, [] [pid 3643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rmdir resumed>) = 0 [pid 3644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3644] chdir("./634" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] mkdir("./679", 0777 [pid 3644] <... chdir resumed>) = 0 [pid 3644] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3644] setpgid(0, 0) = 0 [pid 3644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3644] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./682", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3644] <... write resumed>) = 4 [pid 3644] close(3) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3644] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3644] write(1, "executing program\n", 18) = 18 executing program [pid 3644] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] openat(AT_FDCWD, "./682", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... restart_syscall resumed>) = 0 [pid 3643] chdir("./661" [pid 3644] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3645 [pid 3644] <... mount resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3643] <... chdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(3 [pid 309] umount2("./673", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3644] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3643] <... prctl resumed>) = 0 [pid 310] umount2("./682/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./673", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3643] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3644] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3643] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./682/binderfs" [pid 309] <... openat resumed>) = 3 [pid 3644] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 310] unlink("./682/binderfs" [pid 3643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3644] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3644] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 310] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./673/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./673/binderfs" [pid 310] newfstatat(AT_FDCWD, "./682/config" [pid 3643] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 3645 attached [pid 3644] <... mkdirat resumed>) = 0 [pid 3643] write(3, "1000", 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./673/binderfs" [pid 3645] set_robust_list(0x55556c898760, 24 [pid 3643] <... write resumed>) = 4 [pid 310] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3644] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3645] <... set_robust_list resumed>) = 0 [pid 3644] <... symlinkat resumed>) = 0 [pid 3643] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./682/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3643] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 3644] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = 0 [pid 3643] symlink("/dev/binderfs", "./binderfs" [pid 310] fstat(4 [pid 3645] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3644] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./673/config" [pid 310] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3643] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3643] write(1, "executing program\n", 18 [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./673/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./682/config" [pid 3645] chdir("./679" [pid 3643] <... write resumed>) = 18 [pid 309] <... openat resumed>) = 4 [pid 3644] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 310] getdents64(3 [pid 3643] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3645] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 executing program [pid 310] close(3 [pid 3645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3644] exit_group(0 [pid 3643] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3645] <... prctl resumed>) = 0 [pid 3643] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rmdir("./682" [pid 3645] setpgid(0, 0 [pid 309] getdents64(4 [pid 3644] <... exit_group resumed>) = ? [pid 3645] <... setpgid resumed>) = 0 [pid 3644] +++ exited with 0 +++ [pid 3643] <... mount resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] mkdir("./683", 0777 [pid 3643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] close(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./673/config" [pid 3643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3645] write(3, "1000", 4 [pid 3643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rmdir resumed>) = 0 [pid 3645] <... write resumed>) = 4 [pid 309] getdents64(3 [pid 3645] close(3) = 0 [pid 3645] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 3646 attached ) = 0 [pid 3643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3646 [pid 309] close(3 [pid 3645] write(1, "executing program\n", 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./673" [pid 3646] set_robust_list(0x55556c898760, 24 [pid 3643] <... mkdirat resumed>) = 0 executing program [pid 3645] <... write resumed>) = 18 [pid 3646] <... set_robust_list resumed>) = 0 [pid 3645] mkdirat(AT_FDCWD, "./config", 0777 [pid 3643] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rmdir resumed>) = 0 [pid 3646] rt_sigprocmask(SIG_SETMASK, [] [pid 3645] <... mkdirat resumed>) = 0 [pid 3643] <... symlinkat resumed>) = 0 [pid 309] mkdir("./674", 0777 [pid 3646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3643] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3645] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 3643] <... unlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3643] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3646] chdir("./683" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3646] <... chdir resumed>) = 0 [pid 3645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3643] <... unlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3645] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3646] <... prctl resumed>) = 0 [pid 3645] <... mkdirat resumed>) = 0 [pid 3643] exit_group(0 [pid 3646] setpgid(0, 0 [pid 3645] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3643] <... exit_group resumed>) = ? [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3647 [pid 3646] <... setpgid resumed>) = 0 [pid 3645] <... symlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3645] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3645] <... unlinkat resumed>) = 0 [pid 3645] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3643] +++ exited with 0 +++ [pid 3646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3645] <... unlinkat resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3646] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3646] <... write resumed>) = 4 [pid 3646] close(3 [pid 3645] exit_group(0 [pid 3646] <... close resumed>) = 0 [pid 3645] <... exit_group resumed>) = ? [pid 3646] symlink("/dev/binderfs", "./binderfs" [pid 3645] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 3647 attached [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3646] <... symlink resumed>) = 0 [pid 3646] write(1, "executing program\n", 18) = 18 executing program [pid 3646] mkdirat(AT_FDCWD, "./config", 0777 [pid 3647] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3647] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./634", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./679", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./661", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./679", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./634", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3646] <... mkdirat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./661", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 3 [pid 3646] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3646] <... mount resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 3646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./679/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./661/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./679/binderfs" [pid 306] umount2("./634/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] unlink("./679/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./661/binderfs" [pid 3646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./634/binderfs" [pid 308] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./661/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./634/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 308] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./634/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3646] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3646] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] newfstatat(AT_FDCWD, "./679/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./661/config" [pid 306] umount2("./634/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./634/config" [pid 308] openat(AT_FDCWD, "./679/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 4 [pid 3646] <... symlinkat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./661/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./634/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3646] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] fstat(4 [pid 307] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./634/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3646] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 3646] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] fstat(4 [pid 308] close(4 [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3647] chdir("./674" [pid 3646] <... unlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 308] rmdir("./679/config" [pid 307] close(4 [pid 3647] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 306] getdents64(4 [pid 307] rmdir("./661/config" [pid 3646] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3646] <... exit_group resumed>) = ? [pid 308] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 3647] <... prctl resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 308] rmdir("./679" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./634/config" [pid 3647] setpgid(0, 0 [pid 308] <... rmdir resumed>) = 0 [pid 3647] <... setpgid resumed>) = 0 [pid 3647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] mkdir("./680", 0777 [pid 307] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 3647] <... openat resumed>) = 3 [pid 3647] write(3, "1000", 4) = 4 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./661" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3647] close(3) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 3647] symlink("/dev/binderfs", "./binderfs" [pid 3646] +++ exited with 0 +++ [pid 3647] <... symlink resumed>) = 0 [pid 307] mkdir("./662", 0777 [pid 306] <... close resumed>) = 0 executing program [pid 3647] write(1, "executing program\n", 18) = 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3646, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./634" [pid 3647] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3648 attached ) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3648 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3648] set_robust_list(0x55556c898760, 24 [pid 3647] mount(NULL, "./config", "configfs", 0, NULL [pid 3648] <... set_robust_list resumed>) = 0 [pid 3647] <... mount resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./635", 0777 [pid 3647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3648] rt_sigprocmask(SIG_SETMASK, [] [pid 3647] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 3648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3648] chdir("./680" [pid 3647] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 3649 attached [pid 3648] <... chdir resumed>) = 0 [pid 3647] <... symlinkat resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3649 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3649] set_robust_list(0x55556c898760, 24 [pid 3648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3647] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3649] <... set_robust_list resumed>) = 0 [pid 3648] <... prctl resumed>) = 0 [pid 3647] <... unlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3648] setpgid(0, 0 [pid 3647] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3647] exit_group(0) = ? [pid 3649] rt_sigprocmask(SIG_SETMASK, [] [pid 3648] <... setpgid resumed>) = 0 [pid 3647] +++ exited with 0 +++ [pid 3649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3650 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3649] chdir("./662" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3648] <... openat resumed>) = 3 [pid 3648] write(3, "1000", 4 [pid 3649] <... chdir resumed>) = 0 [pid 3648] <... write resumed>) = 4 [pid 3649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3648] close(3 [pid 3649] <... prctl resumed>) = 0 [pid 3648] <... close resumed>) = 0 [pid 3649] setpgid(0, 0) = 0 [pid 3648] symlink("/dev/binderfs", "./binderfs" [pid 3649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 3650 attached [pid 3648] <... symlink resumed>) = 0 [pid 3649] <... openat resumed>) = 3 [pid 3649] write(3, "1000", 4 executing program [pid 3648] write(1, "executing program\n", 18 [pid 3649] <... write resumed>) = 4 [pid 3648] <... write resumed>) = 18 [pid 3650] set_robust_list(0x55556c898760, 24 [pid 3648] mkdirat(AT_FDCWD, "./config", 0777 [pid 3649] close(3 [pid 3650] <... set_robust_list resumed>) = 0 [pid 3650] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3648] <... mkdirat resumed>) = 0 [pid 3649] <... close resumed>) = 0 [pid 3648] mount(NULL, "./config", "configfs", 0, NULL [pid 3649] symlink("/dev/binderfs", "./binderfs" [pid 3648] <... mount resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 3648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3650] chdir("./635" [pid 3648] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3649] <... symlink resumed>) = 0 [pid 310] umount2("./683", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3649] write(1, "executing program\n", 18 [pid 3648] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3649] <... write resumed>) = 18 [pid 3648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 310] openat(AT_FDCWD, "./683", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3649] mkdirat(AT_FDCWD, "./config", 0777 [pid 3648] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 3648] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 3648] <... symlinkat resumed>) = 0 [pid 3648] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3648] <... unlinkat resumed>) = 0 [pid 310] umount2("./683/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3648] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3650] <... chdir resumed>) = 0 [pid 3648] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./683/binderfs" [pid 3650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3648] exit_group(0 [pid 310] unlink("./683/binderfs" [pid 3648] <... exit_group resumed>) = ? [pid 3650] <... prctl resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 3650] setpgid(0, 0 [pid 310] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3650] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 3650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3650] <... openat resumed>) = 3 [pid 3649] <... mkdirat resumed>) = 0 [pid 3648] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3649] mount(NULL, "./config", "configfs", 0, NULL [pid 310] newfstatat(AT_FDCWD, "./683/config" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3649] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3649] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] openat(AT_FDCWD, "./683/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3650] write(3, "1000", 4 [pid 3649] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 3650] <... write resumed>) = 4 [pid 3649] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3650] close(3 [pid 310] fstat(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 3649] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3649] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 3650] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 309] umount2("./674", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 309] openat(AT_FDCWD, "./674", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 3650] symlink("/dev/binderfs", "./binderfs" [pid 3649] <... mkdirat resumed>) = 0 [pid 310] rmdir("./683/config" [pid 309] <... openat resumed>) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 3650] <... symlink resumed>) = 0 [pid 3650] write(1, "executing program\n", 18) = 18 [pid 3650] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 3650] <... mkdirat resumed>) = 0 [pid 3649] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 3650] mount(NULL, "./config", "configfs", 0, NULL [pid 310] close(3 [pid 3650] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./680", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./683" [pid 309] umount2("./674/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./680", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./684", 0777 [pid 309] newfstatat(AT_FDCWD, "./674/binderfs" [pid 308] <... openat resumed>) = 3 [pid 3650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3650] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3650] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./674/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3650] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 3650] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3650] exit_group(0) = ? [pid 3650] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3651 [pid 309] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./680/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./674/config" [pid 308] newfstatat(AT_FDCWD, "./680/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./635", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3651 attached [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./680/binderfs" [pid 309] openat(AT_FDCWD, "./674/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./635", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3651] set_robust_list(0x55556c898760, 24 [pid 308] <... unlink resumed>) = 0 [pid 3651] <... set_robust_list resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 4 [pid 308] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 306] getdents64(3 [pid 308] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3651] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./635/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./680/config" [pid 309] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3651] chdir("./684" [pid 309] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./635/binderfs" [pid 309] rmdir("./674/config" [pid 308] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3651] <... chdir resumed>) = 0 [pid 3651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3651] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] unlink("./635/binderfs" [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3651] <... setpgid resumed>) = 0 [pid 3651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./680/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... unlink resumed>) = 0 [pid 309] close(3 [pid 308] <... openat resumed>) = 4 [pid 306] umount2("./635/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 309] <... close resumed>) = 0 [pid 3651] <... openat resumed>) = 3 [pid 309] rmdir("./674" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3651] write(3, "1000", 4) = 4 [pid 3651] close(3) = 0 [pid 3651] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 306] umount2("./635/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./675", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3651] <... symlink resumed>) = 0 [pid 3651] write(1, "executing program\n", 18) = 18 [pid 3651] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 308] getdents64(4 executing program [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] newfstatat(AT_FDCWD, "./635/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(4 [pid 3651] <... mkdirat resumed>) = 0 [pid 3651] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] umount2("./635/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3652 [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./635/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rmdir("./680/config" [pid 306] <... openat resumed>) = 4 [pid 3651] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] fstat(4 [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 308] close(3 [pid 3651] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 308] rmdir("./680" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 3652 attached [pid 3652] set_robust_list(0x55556c898760, 24) = 0 [pid 3652] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 308] mkdir("./681", 0777 [pid 306] <... close resumed>) = 0 [pid 3652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3652] chdir("./675") = 0 [pid 3652] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3652] setpgid(0, 0) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] rmdir("./635/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(3 [pid 3652] write(3, "1000", 4) = 4 [pid 3652] close(3) = 0 [pid 3652] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3652] write(1, "executing program\n", 18) = 18 executing program [pid 3652] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3653 [pid 306] close(3 [pid 3651] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3649] <... symlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./635" [pid 3651] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3651] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3651] exit_group(0 [pid 306] mkdir("./636", 0777 [pid 3651] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 3653 attached [pid 3652] <... mkdirat resumed>) = 0 [pid 3649] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3651] +++ exited with 0 +++ [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3652] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 3654 attached ) = 0 [pid 3652] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3654 [pid 3654] set_robust_list(0x55556c898760, 24) = 0 [pid 3652] <... symlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3652] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3654] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3654] chdir("./636" [pid 3652] <... unlinkat resumed>) = 0 [pid 3652] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3654] <... chdir resumed>) = 0 [pid 3654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3652] <... unlinkat resumed>) = 0 [pid 3654] <... prctl resumed>) = 0 [pid 3652] exit_group(0 [pid 3654] setpgid(0, 0 [pid 3652] <... exit_group resumed>) = ? [pid 3654] <... setpgid resumed>) = 0 [pid 3654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3652] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3654] <... openat resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 3654] write(3, "1000", 4 [pid 3653] set_robust_list(0x55556c898760, 24 [pid 3649] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3654] <... write resumed>) = 4 [pid 310] umount2("./684", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3653] <... set_robust_list resumed>) = 0 [pid 3654] close(3 [pid 3653] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3649] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./684", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3654] <... close resumed>) = 0 [pid 3649] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3654] symlink("/dev/binderfs", "./binderfs" [pid 3649] exit_group(0 [pid 310] <... openat resumed>) = 3 [pid 3653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(3 [pid 3653] chdir("./681" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3649] <... exit_group resumed>) = ? executing program [pid 310] getdents64(3 [pid 3654] <... symlink resumed>) = 0 [pid 3649] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./684/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3654] write(1, "executing program\n", 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3654] <... write resumed>) = 18 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./684/binderfs" [pid 3653] <... chdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3654] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] unlink("./684/binderfs" [pid 3653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3653] setpgid(0, 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 3653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3653] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 3654] <... mkdirat resumed>) = 0 [pid 310] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3654] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3653] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./684/config" [pid 3653] <... write resumed>) = 4 [pid 3653] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3654] <... mount resumed>) = 0 [pid 310] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3653] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3653] symlink("/dev/binderfs", "./binderfs" [pid 3654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./684/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3654] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3653] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 3654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3653] write(1, "executing program\n", 18 [pid 310] fstat(4 [pid 3653] <... write resumed>) = 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3653] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 310] getdents64(4 [pid 3654] <... mkdirat resumed>) = 0 [pid 3653] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3653] mount(NULL, "./config", "configfs", 0, NULL [pid 3654] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 3653] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] close(4 [pid 3653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 3653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./684/config" [pid 3654] <... symlinkat resumed>) = 0 [pid 3653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 3654] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./675", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./675", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(3 [pid 3653] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 309] fstat(3 [pid 3654] <... unlinkat resumed>) = 0 [pid 310] rmdir("./684" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3653] <... symlinkat resumed>) = 0 [pid 3653] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 3654] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] mkdir("./685", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3653] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3653] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./675/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3654] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./675/binderfs" [pid 3654] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3653] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3654] <... exit_group resumed>) = ? [pid 3653] +++ exited with 0 +++ [pid 309] unlink("./675/binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3655 ci2-android-6-1/strace-static-x86_64: Process 3655 attached [pid 3655] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./675/config" [pid 3655] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./681", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./681", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./675/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3655] chdir("./685" [pid 309] <... openat resumed>) = 4 [pid 308] <... openat resumed>) = 3 [pid 309] fstat(4 [pid 308] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 308] getdents64(3 [pid 3655] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3655] setpgid(0, 0) = 0 [pid 3655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./681/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3654] +++ exited with 0 +++ [pid 309] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./681/binderfs" [pid 309] rmdir("./675/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3655] write(3, "1000", 4) = 4 [pid 3655] close(3) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] unlink("./681/binderfs" [pid 309] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3655] symlink("/dev/binderfs", "./binderfs" [pid 308] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 3655] <... symlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] rmdir("./675" [pid 308] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3655] write(1, "executing program\n", 18) = 18 executing program [pid 3655] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./636", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3655] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] mkdir("./676", 0777 [pid 308] newfstatat(AT_FDCWD, "./681/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... restart_syscall resumed>) = 0 [pid 3655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./636", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 307] umount2("./662", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3655] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3655] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3655] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3656 [pid 308] openat(AT_FDCWD, "./681/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./662", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 3 [pid 3655] exit_group(0) = ? [pid 3655] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(4 [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./636/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 307] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] newfstatat(AT_FDCWD, "./636/binderfs" [pid 308] getdents64(4 [pid 307] umount2("./662/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./636/binderfs" [pid 308] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./662/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3656 attached [pid 3656] set_robust_list(0x55556c898760, 24) = 0 [pid 3656] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3656] chdir("./676") = 0 [pid 3656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3656] setpgid(0, 0) = 0 [pid 3656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... unlink resumed>) = 0 [pid 308] rmdir("./681/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./636/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3656] <... openat resumed>) = 3 [pid 3656] write(3, "1000", 4 [pid 308] <... rmdir resumed>) = 0 [pid 307] unlink("./662/binderfs" [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = 0 [pid 3656] <... write resumed>) = 4 [pid 3656] close(3 [pid 307] <... unlink resumed>) = 0 [pid 306] umount2("./636/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./636/config" [pid 308] rmdir("./681" [pid 307] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3656] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./636/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./682", 0777 [pid 307] newfstatat(AT_FDCWD, "./662/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3656] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./636/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 4 [pid 3656] write(1, "executing program\n", 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] openat(AT_FDCWD, "./662/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3656] <... write resumed>) = 18 executing program [pid 3656] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] getdents64(4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3657 [pid 307] fstat(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3656] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] close(4 [pid 307] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3656] <... mount resumed>) = 0 [pid 307] close(4 [pid 306] rmdir("./636/config" [pid 307] <... close resumed>) = 0 [pid 3656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 307] rmdir("./662/config" [pid 306] getdents64(3 [pid 3656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 306] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./685", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 307] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./636" [pid 3656] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] openat(AT_FDCWD, "./685", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 3656] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] rmdir("./662" [pid 310] fstat(3 [pid 306] mkdir("./637", 0777 [pid 3656] <... unlinkat resumed>) = 0 [pid 3656] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3656] exit_group(0 [pid 306] <... mkdir resumed>) = 0 [pid 310] getdents64(3 [pid 307] mkdir("./663", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3656] <... exit_group resumed>) = ? [pid 307] <... mkdir resumed>) = 0 [pid 310] umount2("./685/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./685/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 3658 attached [pid 3656] +++ exited with 0 +++ [pid 310] unlink("./685/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3657 attached [pid 3657] set_robust_list(0x55556c898760, 24) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3658 ci2-android-6-1/strace-static-x86_64: Process 3659 attached [pid 3658] set_robust_list(0x55556c898760, 24 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3659 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3659] set_robust_list(0x55556c898760, 24 [pid 3658] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3659] <... set_robust_list resumed>) = 0 [pid 3658] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./685/config" [pid 3658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3659] rt_sigprocmask(SIG_SETMASK, [] [pid 3658] chdir("./637" [pid 310] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3658] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3659] chdir("./663" [pid 3658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] openat(AT_FDCWD, "./685/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3658] <... prctl resumed>) = 0 [pid 3659] <... chdir resumed>) = 0 [pid 3658] setpgid(0, 0 [pid 310] <... openat resumed>) = 4 [pid 3658] <... setpgid resumed>) = 0 [pid 3659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] fstat(4 [pid 3658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3659] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 309] umount2("./676", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3659] setpgid(0, 0 [pid 3658] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3659] <... setpgid resumed>) = 0 [pid 3658] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 309] openat(AT_FDCWD, "./676", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3658] <... write resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 3658] close(3 [pid 310] rmdir("./685/config" [pid 309] fstat(3 [pid 3657] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 3658] <... close resumed>) = 0 [pid 3659] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 3659] write(3, "1000", 4 [pid 3658] symlink("/dev/binderfs", "./binderfs" [pid 310] close(3 [pid 3659] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./676/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./685" [pid 3657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3657] chdir("./682" [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./676/binderfs" [pid 3658] <... symlink resumed>) = 0 [pid 310] mkdir("./686", 0777 [pid 3659] close(3 [pid 3658] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3657] <... chdir resumed>) = 0 [pid 3657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... mkdir resumed>) = 0 [pid 3658] <... write resumed>) = 18 [pid 309] unlink("./676/binderfs" [pid 3659] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3657] <... prctl resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 3659] symlink("/dev/binderfs", "./binderfs" [pid 3658] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 309] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3657] setpgid(0, 0) = 0 [pid 3657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... umount2 resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3660 [pid 309] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3657] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./676/config" [pid 3658] <... mkdirat resumed>) = 0 [pid 3657] <... write resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3658] mount(NULL, "./config", "configfs", 0, NULL [pid 3657] close(3 [pid 309] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3659] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3659] write(1, "executing program\n", 18 [pid 3658] <... mount resumed>) = 0 [pid 3657] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./676/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3659] <... write resumed>) = 18 [pid 3658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 4 executing program [pid 3659] mkdirat(AT_FDCWD, "./config", 0777 [pid 3658] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3657] symlink("/dev/binderfs", "./binderfs" [pid 309] fstat(4 [pid 3658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 3658] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3657] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3659] <... mkdirat resumed>) = 0 [pid 3658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(4 [pid 3659] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3658] <... mkdirat resumed>) = 0 [pid 3657] write(1, "executing program\n", 18 [pid 309] close(4 [pid 3659] <... mount resumed>) = 0 [pid 3658] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... close resumed>) = 0 [pid 3659] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3658] <... symlinkat resumed>) = 0 [pid 3657] <... write resumed>) = 18 [pid 309] rmdir("./676/config" [pid 3659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3658] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 3657] mkdirat(AT_FDCWD, "./config", 0777 [pid 3659] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3658] <... unlinkat resumed>) = 0 [pid 3657] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3658] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(3 [pid 3658] <... unlinkat resumed>) = 0 [pid 3657] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3659] <... mkdirat resumed>) = 0 [pid 3658] exit_group(0 [pid 3657] <... mount resumed>) = 0 [pid 3659] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3658] <... exit_group resumed>) = ? [pid 3657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] close(3 [pid 3657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... close resumed>) = 0 [pid 3657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3658] +++ exited with 0 +++ [pid 3657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rmdir("./676" [pid 3659] <... symlinkat resumed>) = 0 [pid 3657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3657] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3659] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3657] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3659] <... unlinkat resumed>) = 0 [pid 3657] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-6-1/strace-static-x86_64: Process 3660 attached [pid 3659] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3657] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] mkdir("./677", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3660] set_robust_list(0x55556c898760, 24 [pid 3659] <... unlinkat resumed>) = 0 [pid 3657] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 3660] <... set_robust_list resumed>) = 0 [pid 3657] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3660] rt_sigprocmask(SIG_SETMASK, [] [pid 3659] exit_group(0 [pid 3657] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3659] <... exit_group resumed>) = ? [pid 3657] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3657, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3660] chdir("./686" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3661 attached [pid 3660] <... chdir resumed>) = 0 [pid 3659] +++ exited with 0 +++ [pid 306] umount2("./637", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3661] set_robust_list(0x55556c898760, 24 [pid 3660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3661 [pid 3661] <... set_robust_list resumed>) = 0 [pid 3660] <... prctl resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] rt_sigprocmask(SIG_SETMASK, [] [pid 3660] setpgid(0, 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3661] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3660] <... setpgid resumed>) = 0 [pid 306] openat(AT_FDCWD, "./637", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3661] chdir("./677" [pid 3660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3661] <... chdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 3661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3660] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 3661] <... prctl resumed>) = 0 [pid 3660] write(3, "1000", 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3661] setpgid(0, 0 [pid 3660] <... write resumed>) = 4 [pid 306] getdents64(3 [pid 3661] <... setpgid resumed>) = 0 [pid 3660] close(3 [pid 3661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3660] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3661] <... openat resumed>) = 3 [pid 3660] symlink("/dev/binderfs", "./binderfs" [pid 306] umount2("./637/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3661] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] <... write resumed>) = 4 [pid 3660] <... symlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./637/binderfs" [pid 3660] write(1, "executing program\n", 18 [pid 3661] close(3 [pid 3660] <... write resumed>) = 18 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 3661] <... close resumed>) = 0 [pid 3660] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] unlink("./637/binderfs" [pid 3661] symlink("/dev/binderfs", "./binderfs" [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./637/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3661] <... symlink resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3661] write(1, "executing program\n", 18 [pid 3660] <... mkdirat resumed>) = 0 [pid 306] umount2("./637/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3661] <... write resumed>) = 18 [pid 3660] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3661] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] newfstatat(AT_FDCWD, "./637/config" [pid 3660] <... mount resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./637/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3661] <... mkdirat resumed>) = 0 [pid 3660] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] mount(NULL, "./config", "configfs", 0, NULL [pid 3660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] umount2("./682", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./637/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] <... mount resumed>) = 0 [pid 3660] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./682", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 4 [pid 3660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3661] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... openat resumed>) = 3 [pid 306] fstat(4 [pid 3660] <... mkdirat resumed>) = 0 [pid 308] fstat(3 [pid 3660] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 308] getdents64(3 [pid 3661] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3661] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3661] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3661] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(4 [pid 3660] <... symlinkat resumed>) = 0 [pid 308] umount2("./682/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3660] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] <... symlinkat resumed>) = 0 [pid 3660] <... unlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./682/binderfs" [pid 306] close(4 [pid 3661] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3660] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 308] unlink("./682/binderfs" [pid 306] rmdir("./637/config" [pid 3660] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3661] <... unlinkat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 3661] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 3661] <... unlinkat resumed>) = 0 [pid 3660] exit_group(0 [pid 308] <... umount2 resumed>) = 0 [pid 306] getdents64(3 [pid 308] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3660] <... exit_group resumed>) = ? [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 308] newfstatat(AT_FDCWD, "./682/config" [pid 3661] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 3661] <... exit_group resumed>) = ? [pid 308] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./637" [pid 3660] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3661] +++ exited with 0 +++ [pid 308] openat(AT_FDCWD, "./682/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... openat resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] mkdir("./638", 0777 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... mkdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] umount2("./663", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./677", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./682/config" [pid 307] openat(AT_FDCWD, "./663", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./677", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 3662 attached [pid 309] fstat(3 [pid 308] close(3 [pid 307] fstat(3 [pid 3662] set_robust_list(0x55556c898760, 24 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 3662] <... set_robust_list resumed>) = 0 [pid 309] getdents64(3 [pid 308] rmdir("./682" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3662 [pid 3662] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rmdir resumed>) = 0 [pid 3662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./677/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./683", 0777 [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3662] chdir("./638" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 3662] <... chdir resumed>) = 0 [pid 310] umount2("./686", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./677/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3662] <... prctl resumed>) = 0 [pid 310] openat(AT_FDCWD, "./686", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./677/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./663/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3663 attached [pid 3662] setpgid(0, 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 3663] set_robust_list(0x55556c898760, 24 [pid 3662] <... setpgid resumed>) = 0 [pid 310] fstat(3 [pid 309] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3663 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3663] <... set_robust_list resumed>) = 0 [pid 3662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3663] rt_sigprocmask(SIG_SETMASK, [] [pid 3662] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./663/binderfs" [pid 3663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3662] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3663] chdir("./683" [pid 3662] <... write resumed>) = 4 [pid 310] umount2("./686/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./677/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3663] <... chdir resumed>) = 0 [pid 3662] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3663] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3662] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./686/binderfs" [pid 309] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./663/binderfs" [pid 3663] <... prctl resumed>) = 0 [pid 3662] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./686/binderfs" [pid 309] openat(AT_FDCWD, "./677/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 307] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3663] setpgid(0, 0 [pid 3662] <... symlink resumed>) = 0 [pid 310] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3663] <... setpgid resumed>) = 0 [pid 3662] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = 0 executing program [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = 0 [pid 3663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3662] <... write resumed>) = 18 [pid 310] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./686/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3663] <... openat resumed>) = 3 [pid 3662] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 3663] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./677/config" [pid 307] newfstatat(AT_FDCWD, "./663/config" [pid 3663] <... write resumed>) = 4 [pid 3662] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./686/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 3663] close(3 [pid 3662] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 4 [pid 309] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3663] <... close resumed>) = 0 [pid 3662] <... mount resumed>) = 0 [pid 310] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3663] symlink("/dev/binderfs", "./binderfs" [pid 3662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(3 [pid 307] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3663] <... symlink resumed>) = 0 [pid 3662] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 3663] write(1, "executing program\n", 18 [pid 3662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 309] rmdir("./677" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3663] <... write resumed>) = 18 [pid 3662] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 3662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./678", 0777 [pid 307] openat(AT_FDCWD, "./663/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3663] mkdirat(AT_FDCWD, "./config", 0777 [pid 3662] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 309] <... mkdir resumed>) = 0 [pid 3662] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... openat resumed>) = 4 [pid 3662] <... symlinkat resumed>) = 0 [pid 310] rmdir("./686/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(4 [pid 3663] <... mkdirat resumed>) = 0 [pid 3662] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3664 attached [pid 3663] mount(NULL, "./config", "configfs", 0, NULL [pid 3662] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3662] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3664 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3662] <... unlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 3664] set_robust_list(0x55556c898760, 24 [pid 3663] <... mount resumed>) = 0 [pid 310] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3662] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 3664] <... set_robust_list resumed>) = 0 [pid 3663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3662] <... exit_group resumed>) = ? [pid 310] rmdir("./686" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3664] chdir("./678") = 0 [pid 3662] +++ exited with 0 +++ [pid 3664] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3663] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] close(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] mkdir("./687", 0777 [pid 3663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3664] setpgid(0, 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] rmdir("./663/config" [pid 3664] <... setpgid resumed>) = 0 [pid 3663] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rmdir resumed>) = 0 [pid 3664] <... openat resumed>) = 3 [pid 3664] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 3663] <... mkdirat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3663] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3664] <... write resumed>) = 4 [pid 3664] close(3) = 0 [pid 307] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3665 [pid 3664] symlink("/dev/binderfs", "./binderfs" [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3665 attached [pid 3664] <... symlink resumed>) = 0 [pid 3663] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./663" [pid 3665] set_robust_list(0x55556c898760, 24 [pid 3663] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3664] write(1, "executing program\n", 18 [pid 307] <... rmdir resumed>) = 0 [pid 3665] <... set_robust_list resumed>) = 0 [pid 3663] <... unlinkat resumed>) = 0 [pid 3665] rt_sigprocmask(SIG_SETMASK, [] [pid 3664] <... write resumed>) = 18 [pid 3663] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR executing program [pid 307] mkdir("./664", 0777 [pid 3664] mkdirat(AT_FDCWD, "./config", 0777 [pid 3665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3664] <... mkdirat resumed>) = 0 [pid 3663] <... unlinkat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3665] chdir("./687" [pid 3664] mount(NULL, "./config", "configfs", 0, NULL [pid 3663] exit_group(0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3665] <... chdir resumed>) = 0 [pid 3663] <... exit_group resumed>) = ? [pid 3665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3664] <... mount resumed>) = 0 [pid 3664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3663] +++ exited with 0 +++ [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3665] <... prctl resumed>) = 0 [pid 3664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 3666 attached [pid 3665] setpgid(0, 0 [pid 3664] <... mkdirat resumed>) = 0 [pid 3666] set_robust_list(0x55556c898760, 24 [pid 3665] <... setpgid resumed>) = 0 [pid 3664] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3666 [pid 3666] <... set_robust_list resumed>) = 0 [pid 3665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3664] <... symlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3664] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3665] <... openat resumed>) = 3 [pid 3665] write(3, "1000", 4 [pid 3666] rt_sigprocmask(SIG_SETMASK, [] [pid 3665] <... write resumed>) = 4 [pid 3666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3665] close(3 [pid 3666] chdir("./664" [pid 3665] <... close resumed>) = 0 [pid 3664] <... unlinkat resumed>) = 0 [pid 3665] symlink("/dev/binderfs", "./binderfs" [pid 3666] <... chdir resumed>) = 0 [pid 3664] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3665] <... symlink resumed>) = 0 [pid 3664] <... unlinkat resumed>) = 0 [pid 3665] write(1, "executing program\n", 18 [pid 3666] <... prctl resumed>) = 0 [pid 3665] <... write resumed>) = 18 executing program [pid 3666] setpgid(0, 0) = 0 [pid 3665] mkdirat(AT_FDCWD, "./config", 0777 [pid 3664] exit_group(0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3664] <... exit_group resumed>) = ? [pid 3666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3665] <... mkdirat resumed>) = 0 [pid 3664] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 3666] <... openat resumed>) = 3 [pid 3665] mount(NULL, "./config", "configfs", 0, NULL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./683", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3666] write(3, "1000", 4 [pid 3665] <... mount resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3666] <... write resumed>) = 4 [pid 3665] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] openat(AT_FDCWD, "./683", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3666] close(3 [pid 3665] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 3666] <... close resumed>) = 0 [pid 3665] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] fstat(3 [pid 3666] symlink("/dev/binderfs", "./binderfs" [pid 3665] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./678", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./638", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3666] <... symlink resumed>) = 0 [pid 3665] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 3666] write(1, "executing program\n", 18 [pid 3665] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./678", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3666] <... write resumed>) = 18 [pid 3665] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... openat resumed>) = 3 [pid 308] umount2("./683/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3666] mkdirat(AT_FDCWD, "./config", 0777 [pid 3665] <... symlinkat resumed>) = 0 [pid 309] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./638", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3665] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./683/binderfs" [pid 3665] <... unlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 3666] <... mkdirat resumed>) = 0 [pid 3665] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] unlink("./683/binderfs" [pid 3666] mount(NULL, "./config", "configfs", 0, NULL [pid 3665] <... unlinkat resumed>) = 0 [pid 309] umount2("./678/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 306] fstat(3 [pid 3666] <... mount resumed>) = 0 [pid 3665] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3665] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./678/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3665] +++ exited with 0 +++ [pid 309] unlink("./678/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 3666] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./683/config" [pid 3666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3666] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./638/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./683/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3666] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./678/config" [pid 308] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(4 [pid 3666] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./638/binderfs" [pid 3666] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 3666] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] openat(AT_FDCWD, "./678/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3666] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] getdents64(4 [pid 3666] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] unlink("./638/binderfs" [pid 3666] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 309] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 3666] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rmdir("./683/config" [pid 3666] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./638/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3666] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 309] rmdir("./678/config" [pid 308] <... close resumed>) = 0 [pid 306] umount2("./638/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./683" [pid 309] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./684", 0777 [pid 309] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./638/config" [pid 309] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./678" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3667 attached [pid 309] mkdir("./679", 0777 [pid 306] umount2("./638/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3667] set_robust_list(0x55556c898760, 24 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3667 [pid 3667] <... set_robust_list resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3667] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3667] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./638/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 3668 attached [pid 3667] chdir("./684" [pid 310] umount2("./687", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3668] set_robust_list(0x55556c898760, 24 [pid 3667] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3668 [pid 306] <... openat resumed>) = 4 [pid 3668] <... set_robust_list resumed>) = 0 [pid 3667] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] openat(AT_FDCWD, "./687", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3668] rt_sigprocmask(SIG_SETMASK, [] [pid 3667] <... prctl resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(4 [pid 3668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3667] setpgid(0, 0 [pid 310] fstat(3 [pid 3667] <... setpgid resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3668] chdir("./679" [pid 310] getdents64(3 [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3668] <... chdir resumed>) = 0 [pid 3667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./687/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] getdents64(4 [pid 3667] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3668] <... prctl resumed>) = 0 [pid 3667] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./687/binderfs" [pid 3668] setpgid(0, 0 [pid 306] close(4 [pid 3668] <... setpgid resumed>) = 0 [pid 3667] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3667] close(3 [pid 310] unlink("./687/binderfs" [pid 306] <... close resumed>) = 0 [pid 3667] <... close resumed>) = 0 [pid 3667] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 306] rmdir("./638/config" [pid 3668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3667] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3668] <... openat resumed>) = 3 executing program [pid 3667] write(1, "executing program\n", 18 [pid 310] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 3668] write(3, "1000", 4 [pid 3667] <... write resumed>) = 18 [pid 3668] <... write resumed>) = 4 [pid 3667] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3668] close(3 [pid 310] newfstatat(AT_FDCWD, "./687/config" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] close(3 [pid 3668] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 3668] symlink("/dev/binderfs", "./binderfs" [pid 3667] <... mkdirat resumed>) = 0 [pid 310] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./638" [pid 3667] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./664", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3667] <... mount resumed>) = 0 [pid 3667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] openat(AT_FDCWD, "./687/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 3668] <... symlink resumed>) = 0 [pid 3667] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./664", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3668] write(1, "executing program\n", 18 [pid 3667] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] mkdir("./639", 0777 [pid 3668] <... write resumed>) = 18 [pid 3667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(4 [pid 307] <... openat resumed>) = 3 [pid 3667] <... mkdirat resumed>) = 0 executing program [pid 3667] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] <... mkdir resumed>) = 0 [pid 3667] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3667] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3667] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] getdents64(3 [pid 310] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3668] mkdirat(AT_FDCWD, "./config", 0777 [pid 3667] <... unlinkat resumed>) = 0 [pid 3667] exit_group(0) = ? [pid 3668] <... mkdirat resumed>) = 0 [pid 3667] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3668] mount(NULL, "./config", "configfs", 0, NULL [pid 310] close(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./664/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3668] <... mount resumed>) = 0 [pid 3668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3669 [pid 310] rmdir("./687/config"ci2-android-6-1/strace-static-x86_64: Process 3669 attached [pid 307] newfstatat(AT_FDCWD, "./664/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3669] set_robust_list(0x55556c898760, 24 [pid 310] getdents64(3 [pid 307] unlink("./664/binderfs" [pid 3669] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3669] rt_sigprocmask(SIG_SETMASK, [] [pid 3668] <... mkdirat resumed>) = 0 [pid 310] close(3 [pid 307] <... unlink resumed>) = 0 [pid 3669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 307] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./687" [pid 3668] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3669] chdir("./639" [pid 3668] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3669] <... chdir resumed>) = 0 [pid 310] mkdir("./688", 0777 [pid 307] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3668] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3669] <... prctl resumed>) = 0 [pid 3668] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3669] setpgid(0, 0 [pid 3668] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3669] <... setpgid resumed>) = 0 [pid 3668] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./664/config" [pid 3669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3668] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./684", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3670 attached [pid 3669] <... openat resumed>) = 3 [pid 3668] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3670] set_robust_list(0x55556c898760, 24 [pid 3669] write(3, "1000", 4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3670 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./684", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3670] <... set_robust_list resumed>) = 0 [pid 3669] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 3 [pid 307] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3670] rt_sigprocmask(SIG_SETMASK, [] [pid 3669] close(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(3 [pid 3670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3669] <... close resumed>) = 0 [pid 309] umount2("./679", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3670] chdir("./688" [pid 3669] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 309] openat(AT_FDCWD, "./679", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] openat(AT_FDCWD, "./664/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3670] <... chdir resumed>) = 0 [pid 3669] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] umount2("./684/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3669] write(1, "executing program\n", 18 [pid 309] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 3670] <... prctl resumed>) = 0 [pid 3669] <... write resumed>) = 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 308] newfstatat(AT_FDCWD, "./684/binderfs" [pid 3670] setpgid(0, 0 [pid 3669] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] unlink("./684/binderfs" [pid 3670] <... setpgid resumed>) = 0 [pid 3669] <... mkdirat resumed>) = 0 [pid 309] umount2("./679/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3669] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3670] <... openat resumed>) = 3 [pid 3669] <... mount resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./679/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 307] getdents64(4 [pid 3670] write(3, "1000", 4 [pid 3669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3670] <... write resumed>) = 4 [pid 3669] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./679/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3670] close(3 [pid 3669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./684/config" [pid 3670] <... close resumed>) = 0 [pid 3669] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 3670] symlink("/dev/binderfs", "./binderfs" [pid 3669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3669] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./684/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(4 [pid 3670] <... symlink resumed>) = 0 [pid 3669] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] newfstatat(AT_FDCWD, "./679/config" [pid 308] <... openat resumed>) = 4 [pid 3670] write(1, "executing program\n", 18 [pid 3669] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 308] fstat(4 [pid 307] <... close resumed>) = 0 [pid 3670] <... write resumed>) = 18 [pid 3669] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3670] mkdirat(AT_FDCWD, "./config", 0777 [pid 3669] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] rmdir("./664/config" [pid 3669] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] openat(AT_FDCWD, "./679/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 4 [pid 308] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 3669] <... unlinkat resumed>) = 0 [pid 309] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 3670] <... mkdirat resumed>) = 0 [pid 3669] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 3670] mount(NULL, "./config", "configfs", 0, NULL [pid 3669] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rmdir("./684/config" [pid 307] close(3 [pid 3669] +++ exited with 0 +++ [pid 309] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 3670] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 3670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3670] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 307] rmdir("./664" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3669, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rmdir("./679/config" [pid 308] <... close resumed>) = 0 [pid 3670] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./684" [pid 307] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 3670] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./685", 0777 [pid 307] mkdir("./665", 0777 [pid 3670] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3670] <... symlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3670] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rmdir("./679" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3670] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3670] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] mkdir("./680", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3671 attached [pid 3670] <... unlinkat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3671 [pid 3671] set_robust_list(0x55556c898760, 24 [pid 3670] exit_group(0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3671] <... set_robust_list resumed>) = 0 [pid 3670] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c898750) = 3673 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3672 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3670] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3671] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3671] chdir("./685") = 0 [pid 3671] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3671] setpgid(0, 0) = 0 ci2-android-6-1/strace-static-x86_64: Process 3672 attached [pid 3671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 3673 attached [pid 3672] set_robust_list(0x55556c898760, 24 [pid 3671] <... openat resumed>) = 3 [pid 3672] <... set_robust_list resumed>) = 0 [pid 3671] write(3, "1000", 4 [pid 3673] set_robust_list(0x55556c898760, 24 [pid 3672] rt_sigprocmask(SIG_SETMASK, [] [pid 3671] <... write resumed>) = 4 [pid 3672] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3671] close(3 [pid 3672] chdir("./665" [pid 3671] <... close resumed>) = 0 [pid 3672] <... chdir resumed>) = 0 [pid 3671] symlink("/dev/binderfs", "./binderfs" [pid 3672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3673] <... set_robust_list resumed>) = 0 [pid 3672] <... prctl resumed>) = 0 [pid 3671] <... symlink resumed>) = 0 [pid 3672] setpgid(0, 0 [pid 3671] write(1, "executing program\n", 18 [pid 3672] <... setpgid resumed>) = 0 [pid 3671] <... write resumed>) = 18 executing program [pid 3672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3671] mkdirat(AT_FDCWD, "./config", 0777 [pid 3673] rt_sigprocmask(SIG_SETMASK, [] [pid 3672] <... openat resumed>) = 3 [pid 3673] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3673] chdir("./680" [pid 3672] write(3, "1000", 4 [pid 3671] <... mkdirat resumed>) = 0 [pid 3672] <... write resumed>) = 4 [pid 3671] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... restart_syscall resumed>) = 0 [pid 3672] close(3 [pid 3673] <... chdir resumed>) = 0 [pid 3672] <... close resumed>) = 0 [pid 306] umount2("./639", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3672] symlink("/dev/binderfs", "./binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3671] <... mount resumed>) = 0 [pid 306] openat(AT_FDCWD, "./639", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 3672] <... symlink resumed>) = 0 [pid 3671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] fstat(3 executing program [pid 3673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3672] write(1, "executing program\n", 18 [pid 306] getdents64(3 [pid 3672] <... write resumed>) = 18 [pid 3671] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3672] mkdirat(AT_FDCWD, "./config", 0777 [pid 3671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./639/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3671] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] newfstatat(AT_FDCWD, "./639/binderfs" [pid 3671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3672] <... mkdirat resumed>) = 0 [pid 3673] setpgid(0, 0 [pid 306] unlink("./639/binderfs" [pid 3673] <... setpgid resumed>) = 0 [pid 3673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3672] mount(NULL, "./config", "configfs", 0, NULL [pid 3671] <... mkdirat resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 3671] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./639/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3673] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = 0 [pid 3672] <... mount resumed>) = 0 [pid 3671] <... symlinkat resumed>) = 0 [pid 306] umount2("./639/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3671] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3673] <... write resumed>) = 4 [pid 3672] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3671] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3673] close(3 [pid 3672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3671] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] newfstatat(AT_FDCWD, "./639/config" [pid 3672] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3673] <... close resumed>) = 0 [pid 3672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3671] <... unlinkat resumed>) = 0 [pid 306] umount2("./639/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3673] symlink("/dev/binderfs", "./binderfs" [pid 3671] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3673] <... symlink resumed>) = 0 [pid 3672] <... mkdirat resumed>) = 0 [pid 3671] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 306] openat(AT_FDCWD, "./639/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3673] write(1, "executing program\n", 18 [pid 306] <... openat resumed>) = 4 [pid 3672] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./688", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 306] fstat(4 [pid 3673] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3672] <... symlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./688", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(4 [pid 3673] mkdirat(AT_FDCWD, "./config", 0777 [pid 3672] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] fstat(3 [pid 306] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3672] <... unlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3672] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 306] close(4 [pid 3673] <... mkdirat resumed>) = 0 [pid 3672] <... unlinkat resumed>) = 0 [pid 3671] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... close resumed>) = 0 [pid 3673] mount(NULL, "./config", "configfs", 0, NULL [pid 3672] exit_group(0 [pid 310] umount2("./688/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3673] <... mount resumed>) = 0 [pid 3672] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./639/config" [pid 3673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./688/binderfs" [pid 308] <... restart_syscall resumed>) = 0 [pid 3673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 3673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 3673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3672] +++ exited with 0 +++ [pid 310] unlink("./688/binderfs" [pid 308] umount2("./685", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3673] <... mkdirat resumed>) = 0 [pid 310] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./685", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3673] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] close(3 [pid 3673] <... symlinkat resumed>) = 0 [pid 310] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 3673] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./665", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 3673] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./688/config" [pid 308] getdents64(3 [pid 306] rmdir("./639" [pid 3673] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3673] <... unlinkat resumed>) = 0 [pid 310] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./685/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 3673] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./665", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3673] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./688/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./685/binderfs" [pid 306] mkdir("./640", 0777 [pid 3673] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3673, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] unlink("./685/binderfs" [pid 307] fstat(3 [pid 306] <... mkdir resumed>) = 0 [pid 310] fstat(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./685/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] close(4 [pid 308] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./665/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./685/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ci2-android-6-1/strace-static-x86_64: Process 3674 attached [pid 310] <... close resumed>) = 0 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./688/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./665/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3674 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3674] set_robust_list(0x55556c898760, 24 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3674] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 307] unlink("./665/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3674] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(3 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./685/config" [pid 3674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 3674] chdir("./640" [pid 310] rmdir("./688" [pid 308] getdents64(3 [pid 3674] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 3674] <... prctl resumed>) = 0 [pid 310] mkdir("./689", 0777 [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3674] setpgid(0, 0 [pid 308] rmdir("./685" [pid 3674] <... setpgid resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] mkdir("./686", 0777 [pid 3674] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] write(3, "1000", 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3674] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./665/config" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3676 attached ci2-android-6-1/strace-static-x86_64: Process 3675 attached [pid 3674] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3674] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3675 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3676 [pid 3676] set_robust_list(0x55556c898760, 24 [pid 3675] set_robust_list(0x55556c898760, 24 [pid 3674] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3676] <... set_robust_list resumed>) = 0 [pid 3675] <... set_robust_list resumed>) = 0 [pid 3674] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3676] rt_sigprocmask(SIG_SETMASK, [] [pid 3675] rt_sigprocmask(SIG_SETMASK, [] [pid 3674] write(1, "executing program\n", 18 executing program [pid 309] umount2("./680", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3674] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3674] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] openat(AT_FDCWD, "./680", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./665/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 3675] chdir("./689" [pid 3674] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 4 [pid 3676] chdir("./686" [pid 3675] <... chdir resumed>) = 0 [pid 3674] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(3 [pid 3676] <... chdir resumed>) = 0 [pid 3675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3674] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] fstat(4 [pid 3676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3675] <... prctl resumed>) = 0 [pid 3674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./680/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3676] <... prctl resumed>) = 0 [pid 3675] setpgid(0, 0 [pid 3674] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3676] setpgid(0, 0 [pid 3675] <... setpgid resumed>) = 0 [pid 3674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] newfstatat(AT_FDCWD, "./680/binderfs" [pid 3676] <... setpgid resumed>) = 0 [pid 3675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3674] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 3675] <... openat resumed>) = 3 [pid 3674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] unlink("./680/binderfs" [pid 3676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3675] write(3, "1000", 4 [pid 3674] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3676] <... openat resumed>) = 3 [pid 3675] <... write resumed>) = 4 [pid 3674] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3676] write(3, "1000", 4 [pid 3675] close(3 [pid 3674] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] getdents64(4 [pid 3676] <... write resumed>) = 4 [pid 3675] <... close resumed>) = 0 [pid 3674] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3676] close(3 [pid 3675] symlink("/dev/binderfs", "./binderfs" [pid 3674] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3674] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./680/config" [pid 3674] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(4 [pid 3675] <... symlink resumed>) = 0 [pid 3674] exit_group(0 [pid 309] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3676] <... close resumed>) = 0 [pid 3675] write(1, "executing program\n", 18 [pid 3674] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] <... close resumed>) = 0 [pid 3676] symlink("/dev/binderfs", "./binderfs" [pid 3675] <... write resumed>) = 18 [pid 309] openat(AT_FDCWD, "./680/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4 [pid 3674] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rmdir("./665/config" [pid 3675] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 309] close(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3675] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3676] <... symlink resumed>) = 0 [pid 3675] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rmdir("./680/config" [pid 306] <... restart_syscall resumed>) = 0 [pid 3676] write(1, "executing program\n", 18 [pid 3675] <... mount resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 executing program [pid 307] close(3 [pid 3676] <... write resumed>) = 18 [pid 3675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(3 [pid 3676] mkdirat(AT_FDCWD, "./config", 0777 [pid 3675] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 3675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(3 [pid 307] rmdir("./665" [pid 3675] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./680" [pid 3676] <... mkdirat resumed>) = 0 [pid 3675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./640", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./681", 0777 [pid 307] mkdir("./666", 0777 [pid 3676] mount(NULL, "./config", "configfs", 0, NULL [pid 3675] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3675] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] openat(AT_FDCWD, "./640", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3676] <... mount resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 3677 attached [pid 3676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3675] <... symlinkat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 3677] set_robust_list(0x55556c898760, 24 [pid 3676] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3675] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3677 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3 [pid 3677] <... set_robust_list resumed>) = 0 [pid 3676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3675] <... unlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 3676] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3675] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3678 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 3678 attached [pid 3675] <... unlinkat resumed>) = 0 [pid 306] umount2("./640/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3675] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3675] <... exit_group resumed>) = ? [pid 306] newfstatat(AT_FDCWD, "./640/binderfs" [pid 3678] set_robust_list(0x55556c898760, 24) = 0 [pid 3678] rt_sigprocmask(SIG_SETMASK, [] [pid 3675] +++ exited with 0 +++ [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] unlink("./640/binderfs" [pid 3676] <... mkdirat resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... unlink resumed>) = 0 [pid 3677] rt_sigprocmask(SIG_SETMASK, [] [pid 3676] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./640/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3677] chdir("./681" [pid 3676] <... symlinkat resumed>) = 0 [pid 306] umount2("./640/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3677] <... chdir resumed>) = 0 [pid 3676] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3677] <... prctl resumed>) = 0 [pid 3676] <... unlinkat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./640/config" [pid 3677] setpgid(0, 0 [pid 3676] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3677] <... setpgid resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./640/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3676] <... unlinkat resumed>) = 0 [pid 3677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3676] exit_group(0 [pid 306] openat(AT_FDCWD, "./640/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3676] <... exit_group resumed>) = ? [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 3678] chdir("./666" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 3676] +++ exited with 0 +++ [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3677] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3676, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3678] <... chdir resumed>) = 0 [pid 3677] write(3, "1000", 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(4 [pid 3678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3677] <... write resumed>) = 4 [pid 3678] <... prctl resumed>) = 0 [pid 3677] close(3 [pid 306] <... close resumed>) = 0 [pid 3678] setpgid(0, 0 [pid 3677] <... close resumed>) = 0 [pid 306] rmdir("./640/config" [pid 3678] <... setpgid resumed>) = 0 [pid 3678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3677] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 3678] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 3677] <... symlink resumed>) = 0 [pid 3678] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3678] <... write resumed>) = 4 [pid 3678] close(3 [pid 306] close(3 [pid 3678] <... close resumed>) = 0 [pid 310] umount2("./689", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./686", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3678] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 3678] <... symlink resumed>) = 0 [pid 3677] write(1, "executing program\n", 18 [pid 310] openat(AT_FDCWD, "./689", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./686", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3678] write(1, "executing program\n", 18 [pid 308] <... openat resumed>) = 3 [pid 3678] <... write resumed>) = 18 [pid 310] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 306] rmdir("./640" [pid 3678] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 3678] <... mkdirat resumed>) = 0 [pid 3677] <... write resumed>) = 18 executing program [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 3678] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3678] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./686/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./641", 0777 [pid 3678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3677] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./689/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3678] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] newfstatat(AT_FDCWD, "./686/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 3678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3678] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3677] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./689/binderfs" [pid 308] unlink("./686/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3677] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3678] <... mkdirat resumed>) = 0 [pid 3677] <... mount resumed>) = 0 [pid 310] unlink("./689/binderfs" [pid 308] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3678] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = 0 [pid 3678] <... symlinkat resumed>) = 0 [pid 3677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3679 attached [pid 3678] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3679 [pid 3677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] newfstatat(AT_FDCWD, "./686/config" [pid 310] <... umount2 resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3678] <... unlinkat resumed>) = 0 [pid 3677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3679] set_robust_list(0x55556c898760, 24 [pid 3678] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./686/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3677] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] newfstatat(AT_FDCWD, "./689/config" [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 3677] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3677] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 3679] <... set_robust_list resumed>) = 0 [pid 3678] <... unlinkat resumed>) = 0 [pid 3677] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3677] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./689/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 3678] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./686/config" [pid 3679] rt_sigprocmask(SIG_SETMASK, [] [pid 3678] <... exit_group resumed>) = ? [pid 3677] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... openat resumed>) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 3677] exit_group(0 [pid 310] fstat(4 [pid 308] getdents64(3 [pid 3677] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./686" [pid 3677] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] mkdir("./687", 0777 [pid 3679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3678] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3679] chdir("./641" [pid 310] close(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3679] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rmdir("./689/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3680 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3679] <... prctl resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3680 attached [pid 3680] set_robust_list(0x55556c898760, 24) = 0 [pid 3680] rt_sigprocmask(SIG_SETMASK, [] [pid 3679] setpgid(0, 0 [pid 310] getdents64(3 [pid 3679] <... setpgid resumed>) = 0 [pid 3680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] close(3 [pid 3680] chdir("./687" [pid 310] <... close resumed>) = 0 [pid 3679] <... openat resumed>) = 3 [pid 310] rmdir("./689" [pid 3680] <... chdir resumed>) = 0 [pid 3679] write(3, "1000", 4 [pid 3680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3680] <... prctl resumed>) = 0 [pid 3679] <... write resumed>) = 4 [pid 310] mkdir("./690", 0777 [pid 3680] setpgid(0, 0) = 0 [pid 309] umount2("./681", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3680] <... openat resumed>) = 3 [pid 3679] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./681", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3680] write(3, "1000", 4 [pid 3679] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... openat resumed>) = 3 [pid 3680] <... write resumed>) = 4 [pid 3679] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(3 [pid 307] umount2("./666", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3680] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3680] <... close resumed>) = 0 [pid 3679] <... symlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3680] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3680] <... symlink resumed>) = 0 [pid 309] umount2("./681/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3680] write(1, "executing program\n", 18 [pid 3679] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./666", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3680] <... write resumed>) = 18 [pid 3679] <... write resumed>) = 18 executing program executing program [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3681 [pid 309] newfstatat(AT_FDCWD, "./681/binderfs" [pid 3680] mkdirat(AT_FDCWD, "./config", 0777 [pid 3679] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 3 [pid 3680] <... mkdirat resumed>) = 0 [pid 3679] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./681/binderfs" [pid 307] fstat(3 [pid 3680] mount(NULL, "./config", "configfs", 0, NULL [pid 3679] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3680] <... mount resumed>) = 0 [pid 3679] <... mount resumed>) = 0 [pid 309] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 3680] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3680] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./681/config" [pid 307] umount2("./666/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 3681 attached [pid 3680] <... mkdirat resumed>) = 0 [pid 3679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3680] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3679] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./666/binderfs" [pid 3680] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3679] <... symlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./681/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3680] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3679] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... openat resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3680] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3679] <... unlinkat resumed>) = 0 [pid 309] fstat(4 [pid 307] unlink("./666/binderfs" [pid 3680] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3679] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3680] <... unlinkat resumed>) = 0 [pid 3679] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] getdents64(4 [pid 307] <... unlink resumed>) = 0 [pid 3680] exit_group(0 [pid 3679] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3680] <... exit_group resumed>) = ? [pid 3679] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 3680] +++ exited with 0 +++ [pid 3679] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 309] close(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3681] set_robust_list(0x55556c898760, 24 [pid 309] rmdir("./681/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3681] <... set_robust_list resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3679, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./666/config" [pid 3681] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3681] chdir("./690" [pid 309] close(3 [pid 3681] <... chdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rmdir("./681" [pid 3681] <... prctl resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3681] setpgid(0, 0 [pid 309] mkdir("./682", 0777 [pid 3681] <... setpgid resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./666/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3681] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 3681] write(3, "1000", 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(4 [pid 3681] <... write resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3681] close(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3682 [pid 308] umount2("./687", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3681] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 3681] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./687", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 3682 attached [pid 3681] <... symlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3681] write(1, "executing program\n", 18 [pid 308] fstat(3 [pid 307] getdents64(4 [pid 3681] <... write resumed>) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3681] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3682] set_robust_list(0x55556c898760, 24 [pid 3681] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] close(4 [pid 3681] mount(NULL, "./config", "configfs", 0, NULL [pid 308] umount2("./687/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3681] <... mount resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 3681] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] newfstatat(AT_FDCWD, "./687/binderfs" [pid 3681] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./666/config" [pid 3681] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] unlink("./687/binderfs" [pid 3681] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 3681] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 3682] <... set_robust_list resumed>) = 0 [pid 3681] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 308] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 308] newfstatat(AT_FDCWD, "./687/config" [pid 3681] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./666" [pid 308] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3681] <... symlinkat resumed>) = 0 [pid 3681] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3681] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./687/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./667", 0777 [pid 308] <... openat resumed>) = 4 [pid 3681] exit_group(0) = ? [pid 3681] +++ exited with 0 +++ [pid 308] fstat(4 [pid 307] <... mkdir resumed>) = 0 [pid 3682] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3682] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3682] chdir("./682" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./690", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3682] <... chdir resumed>) = 0 [pid 3682] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3682] setpgid(0, 0) = 0 [pid 3682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] openat(AT_FDCWD, "./690", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3682] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 308] close(4 [pid 310] fstat(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3683 [pid 3682] <... write resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 308] rmdir("./687/config" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3682] close(3) = 0 [pid 3682] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3682] <... symlink resumed>) = 0 [pid 310] umount2("./690/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./690/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(3 [pid 310] unlink("./690/binderfs" [pid 3682] write(1, "executing program\n", 18 [pid 308] <... close resumed>) = 0 [pid 3682] <... write resumed>) = 18 [pid 3682] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 [pid 308] rmdir("./687" [pid 310] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3682] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./688", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3682] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... mkdir resumed>) = 0 [pid 3682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./690/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 executing program [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3682] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3682] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3682] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./690/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3684 [pid 306] umount2("./641", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./641", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 3682] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 3 [pid 3682] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 306] fstat(3 [pid 3682] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 3684 attached [pid 310] close(4 [pid 306] getdents64(3 [pid 3682] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] rmdir("./690/config" [pid 306] umount2("./641/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3683 attached [pid 3682] <... exit_group resumed>) = ? [pid 3684] set_robust_list(0x55556c898760, 24 [pid 3683] set_robust_list(0x55556c898760, 24 [pid 3682] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./641/binderfs" [pid 310] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3682, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] unlink("./641/binderfs" [pid 310] close(3 [pid 3683] <... set_robust_list resumed>) = 0 [pid 3683] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] rmdir("./690" [pid 306] umount2("./641/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3683] chdir("./667") = 0 [pid 3683] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 3683] <... prctl resumed>) = 0 [pid 310] mkdir("./691", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 3683] setpgid(0, 0) = 0 [pid 3683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 306] umount2("./641/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3683] write(3, "1000", 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./641/config" [pid 3683] <... write resumed>) = 4 [pid 3683] close(3) = 0 [pid 3683] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3683] write(1, "executing program\n", 18) = 18 [pid 3683] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3685 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./682", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./641/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./682", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3684] <... set_robust_list resumed>) = 0 [pid 3683] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./641/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 3683] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3683] <... mount resumed>) = 0 [pid 309] getdents64(3 [pid 306] fstat(4 [pid 3683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./682/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3683] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./682/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(4 [pid 309] unlink("./682/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3683] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... unlink resumed>) = 0 [pid 306] close(4 [pid 309] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 3683] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] rmdir("./641/config" [pid 309] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3683] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3683] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./682/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(3 [pid 309] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 3683] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./641" [pid 309] openat(AT_FDCWD, "./682/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3683] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3683] exit_group(0 [pid 309] <... openat resumed>) = 4 [pid 306] mkdir("./642", 0777 [pid 309] fstat(4 [pid 3683] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 3685 attached [pid 3684] rt_sigprocmask(SIG_SETMASK, [] [pid 3683] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3685] set_robust_list(0x55556c898760, 24 [pid 309] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3685] <... set_robust_list resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3685] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(4 [pid 3685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3685] chdir("./691") = 0 [pid 3685] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3685] setpgid(0, 0) = 0 [pid 3685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3686 [pid 309] rmdir("./682/config" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3685] write(3, "1000", 4) = 4 [pid 3685] close(3) = 0 [pid 3685] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./667", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 307] openat(AT_FDCWD, "./667", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 3685] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 307] fstat(3 [pid 3685] <... write resumed>) = 18 [pid 3685] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] rmdir("./682" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3685] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 309] mkdir("./683", 0777 [pid 3685] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3685] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3685] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./667/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./667/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3685] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3685] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3685] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3687 [pid 307] unlink("./667/binderfs" [pid 3685] <... unlinkat resumed>) = 0 [pid 3685] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3687 attached [pid 3685] <... unlinkat resumed>) = 0 [pid 3684] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3685] exit_group(0 [pid 3684] chdir("./688" [pid 307] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3685] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3684] <... chdir resumed>) = 0 [pid 3687] set_robust_list(0x55556c898760, 24 [pid 3685] +++ exited with 0 +++ [pid 3684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] newfstatat(AT_FDCWD, "./667/config"ci2-android-6-1/strace-static-x86_64: Process 3686 attached [pid 3684] <... prctl resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3687] <... set_robust_list resumed>) = 0 [pid 3684] setpgid(0, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3684] <... setpgid resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3686] set_robust_list(0x55556c898760, 24 [pid 307] openat(AT_FDCWD, "./667/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3686] <... set_robust_list resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 3686] rt_sigprocmask(SIG_SETMASK, [] [pid 3684] <... openat resumed>) = 3 [pid 307] fstat(4 [pid 3686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3684] write(3, "1000", 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3687] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 3684] <... write resumed>) = 4 [pid 3687] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3686] chdir("./642" [pid 3684] close(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3686] <... chdir resumed>) = 0 [pid 307] getdents64(4 [pid 3686] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3684] <... close resumed>) = 0 [pid 307] close(4 [pid 3686] setpgid(0, 0 [pid 3687] chdir("./683" [pid 3684] symlink("/dev/binderfs", "./binderfs" [pid 307] <... close resumed>) = 0 [pid 3686] <... setpgid resumed>) = 0 [pid 307] rmdir("./667/config" [pid 3686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 3686] write(3, "1000", 4 [pid 307] getdents64(3 [pid 3686] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3687] <... chdir resumed>) = 0 [pid 3684] <... symlink resumed>) = 0 [pid 3687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] close(3 [pid 3686] close(3 [pid 307] <... close resumed>) = 0 [pid 3687] <... prctl resumed>) = 0 [pid 3684] write(1, "executing program\n", 18 [pid 307] rmdir("./667" [pid 3686] <... close resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 3686] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3687] setpgid(0, 0 [pid 3684] <... write resumed>) = 18 [pid 3686] write(1, "executing program\n", 18 [pid 307] mkdir("./668", 0777 [pid 3684] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./691", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3686] <... write resumed>) = 18 [pid 3686] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./691", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3686] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3687] <... setpgid resumed>) = 0 [pid 3684] <... mkdirat resumed>) = 0 [pid 310] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3684] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3686] <... mount resumed>) = 0 [pid 3686] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3686] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3686] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3684] <... mount resumed>) = 0 executing program executing program [pid 310] getdents64(3 [pid 3687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 3688 attached [pid 3686] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3688 [pid 3687] <... openat resumed>) = 3 [pid 3687] write(3, "1000", 4 [pid 3686] <... symlinkat resumed>) = 0 [pid 3684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./691/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3687] <... write resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./691/binderfs" [pid 3687] close(3 [pid 3684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3687] <... close resumed>) = 0 [pid 3684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] unlink("./691/binderfs" [pid 3686] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3686] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 3684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3687] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3684] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3686] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 3684] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3686] exit_group(0 [pid 3684] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3687] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./691/config" [pid 3687] write(1, "executing program\n", 18 [pid 3684] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3686] <... exit_group resumed>) = ? executing program [pid 3687] <... write resumed>) = 18 [pid 3686] +++ exited with 0 +++ [pid 3684] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3687] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./691/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3684] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3688] set_robust_list(0x55556c898760, 24 [pid 310] <... openat resumed>) = 4 [pid 3684] exit_group(0 [pid 310] fstat(4 [pid 3688] <... set_robust_list resumed>) = 0 [pid 3684] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3688] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 3688] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 3688] chdir("./668" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./642", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./642", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./691/config" [pid 3688] <... chdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 3688] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3688] setpgid(0, 0) = 0 [pid 3688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 3684] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 306] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 3688] <... openat resumed>) = 3 [pid 310] rmdir("./691" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3687] <... mkdirat resumed>) = 0 [pid 3688] write(3, "1000", 4) = 4 [pid 3688] close(3) = 0 [pid 310] <... rmdir resumed>) = 0 executing program [pid 3687] mount(NULL, "./config", "configfs", 0, NULL [pid 306] umount2("./642/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./692", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3688] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3688] write(1, "executing program\n", 18 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./642/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./642/binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./688", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3688] <... write resumed>) = 18 [pid 3688] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 3688] <... mkdirat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./688", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3689 [pid 306] umount2("./642/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 3688] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3687] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 308] getdents64(3 [pid 306] umount2("./642/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./688/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./642/config" [pid 3687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3689 attached [pid 3688] <... mount resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./688/binderfs" [pid 3687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./688/binderfs" [pid 3687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./642/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./642/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 3688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... openat resumed>) = 4 [pid 3688] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 3688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3688] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3687] <... mkdirat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./688/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3688] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3688] <... symlinkat resumed>) = 0 [pid 3687] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(4 [pid 3688] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3689] set_robust_list(0x55556c898760, 24 [pid 3688] <... unlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3689] <... set_robust_list resumed>) = 0 [pid 3688] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 3689] rt_sigprocmask(SIG_SETMASK, [] [pid 3688] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3687] <... symlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./688/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3689] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3688] exit_group(0 [pid 3689] chdir("./692" [pid 3688] <... exit_group resumed>) = ? [pid 3687] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... openat resumed>) = 4 [pid 306] close(4 [pid 3689] <... chdir resumed>) = 0 [pid 3688] +++ exited with 0 +++ [pid 308] fstat(4 [pid 306] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3687] <... unlinkat resumed>) = 0 [pid 306] rmdir("./642/config" [pid 3687] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3689] setpgid(0, 0) = 0 [pid 3689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(3 [pid 308] getdents64(4 [pid 3689] <... openat resumed>) = 3 [pid 3687] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3689] write(3, "1000", 4 [pid 3687] exit_group(0 [pid 308] close(4 [pid 3687] <... exit_group resumed>) = ? [pid 306] close(3 [pid 3689] <... write resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 308] rmdir("./688/config" [pid 306] rmdir("./642" [pid 3689] close(3) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3689] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 3689] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./643", 0777 [pid 3687] +++ exited with 0 +++ executing program [pid 308] close(3 [pid 3689] <... write resumed>) = 18 [pid 3689] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 3689] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rmdir("./688" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3689] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] mkdir("./689", 0777 [pid 3689] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 3690 attached ) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3690 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3690] set_robust_list(0x55556c898760, 24 [pid 3689] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3690] <... set_robust_list resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3689] <... symlinkat resumed>) = 0 [pid 3689] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-6-1/strace-static-x86_64: Process 3691 attached [pid 3690] rt_sigprocmask(SIG_SETMASK, [] [pid 3689] <... unlinkat resumed>) = 0 [pid 3690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3691 [pid 3690] chdir("./643" [pid 3691] set_robust_list(0x55556c898760, 24 [pid 3689] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3691] <... set_robust_list resumed>) = 0 [pid 3690] <... chdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3691] rt_sigprocmask(SIG_SETMASK, [] [pid 3690] setpgid(0, 0 [pid 3689] <... unlinkat resumed>) = 0 [pid 3691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3690] <... setpgid resumed>) = 0 [pid 3689] exit_group(0 [pid 3691] chdir("./689" [pid 3690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3689] <... exit_group resumed>) = ? [pid 3691] <... chdir resumed>) = 0 [pid 3690] <... openat resumed>) = 3 [pid 3689] +++ exited with 0 +++ [pid 3691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3690] write(3, "1000", 4 [pid 3691] <... prctl resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3690] <... write resumed>) = 4 [pid 3691] setpgid(0, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3690] close(3 [pid 3691] <... setpgid resumed>) = 0 [pid 3690] <... close resumed>) = 0 [pid 3691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3690] symlink("/dev/binderfs", "./binderfs" [pid 3691] <... openat resumed>) = 3 [pid 3691] write(3, "1000", 4 [pid 3690] <... symlink resumed>) = 0 [pid 3691] <... write resumed>) = 4 [pid 3690] write(1, "executing program\n", 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3691] close(3) = 0 executing program [pid 3691] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3690] <... write resumed>) = 18 [pid 310] umount2("./692", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3691] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./683", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./668", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3690] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] openat(AT_FDCWD, "./692", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./683", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./668", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 307] fstat(3 [pid 3691] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 3691] mkdirat(AT_FDCWD, "./config", 0777 [pid 3690] <... mkdirat resumed>) = 0 [pid 310] umount2("./692/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 3691] <... mkdirat resumed>) = 0 [pid 3690] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./692/binderfs" [pid 309] umount2("./683/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./668/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./692/binderfs" [pid 309] newfstatat(AT_FDCWD, "./683/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3690] <... mount resumed>) = 0 [pid 3691] mount(NULL, "./config", "configfs", 0, NULL [pid 3690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./668/binderfs" [pid 3690] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./683/binderfs" [pid 3690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3691] <... mount resumed>) = 0 [pid 3690] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] unlink("./668/binderfs" [pid 3690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 307] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./692/config" [pid 309] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3691] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3690] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3690] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3690] <... symlinkat resumed>) = 0 [pid 310] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./683/config" [pid 307] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3690] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./692/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3690] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./668/config" [pid 3690] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./683/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] <... openat resumed>) = 4 [pid 307] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3691] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3690] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./668/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3691] <... mkdirat resumed>) = 0 [pid 3690] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 3691] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3690] <... exit_group resumed>) = ? [pid 310] close(4 [pid 307] <... openat resumed>) = 4 [pid 3691] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3691] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] fstat(4 [pid 3691] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3691] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3690] +++ exited with 0 +++ [pid 310] rmdir("./692/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 3691] exit_group(0) = ? [pid 309] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3691] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(4 [pid 310] getdents64(3 [pid 309] rmdir("./683/config" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] umount2("./689", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./692" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 309] close(3 [pid 308] openat(AT_FDCWD, "./689", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] rmdir("./668/config" [pid 310] mkdir("./693", 0777 [pid 309] <... close resumed>) = 0 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./643", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./683" [pid 308] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./689/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./689/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./643", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] mkdir("./684", 0777 [pid 308] unlink("./689/binderfs" [pid 307] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... unlink resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = 0 [pid 306] fstat(3 [pid 308] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3692 attached [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./668" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3692] set_robust_list(0x55556c898760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3692 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./689/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./689/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3692] <... set_robust_list resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3693 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] mkdir("./669", 0777 [pid 306] umount2("./643/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3692] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3692] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(4 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3692] chdir("./693" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3692] <... chdir resumed>) = 0 [pid 308] close(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] newfstatat(AT_FDCWD, "./643/binderfs" [pid 3692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3692] <... prctl resumed>) = 0 [pid 308] rmdir("./689/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3692] setpgid(0, 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3692] <... setpgid resumed>) = 0 [pid 308] getdents64(3 [pid 306] unlink("./643/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./689"ci2-android-6-1/strace-static-x86_64: Process 3694 attached [pid 3692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] mkdir("./690", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3694 [pid 306] umount2("./643/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3694] set_robust_list(0x55556c898760, 24 [pid 3692] <... openat resumed>) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 3694] <... set_robust_list resumed>) = 0 [pid 3692] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 3694] rt_sigprocmask(SIG_SETMASK, [] [pid 3692] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3694] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3692] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./643/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3695 attached [pid 3694] chdir("./669" [pid 3692] <... close resumed>) = 0 [pid 3695] set_robust_list(0x55556c898760, 24 [pid 3694] <... chdir resumed>) = 0 [pid 3692] symlink("/dev/binderfs", "./binderfs" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3695 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3695] <... set_robust_list resumed>) = 0 [pid 3694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3692] <... symlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./643/config" [pid 3695] rt_sigprocmask(SIG_SETMASK, [] [pid 3694] <... prctl resumed>) = 0 [pid 3692] write(1, "executing program\n", 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program ci2-android-6-1/strace-static-x86_64: Process 3693 attached [pid 3695] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3694] setpgid(0, 0 [pid 3692] <... write resumed>) = 18 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3695] chdir("./690" [pid 3694] <... setpgid resumed>) = 0 [pid 3693] set_robust_list(0x55556c898760, 24 [pid 3692] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] umount2("./643/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3693] <... set_robust_list resumed>) = 0 [pid 3695] <... chdir resumed>) = 0 [pid 3694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3693] rt_sigprocmask(SIG_SETMASK, [] [pid 3692] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3692] mount(NULL, "./config", "configfs", 0, NULL [pid 306] openat(AT_FDCWD, "./643/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3692] <... mount resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 3695] <... prctl resumed>) = 0 [pid 3694] <... openat resumed>) = 3 [pid 3692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] fstat(4 [pid 3695] setpgid(0, 0 [pid 3694] write(3, "1000", 4 [pid 3695] <... setpgid resumed>) = 0 [pid 3692] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3694] <... write resumed>) = 4 [pid 3692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] getdents64(4 [pid 3695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3694] close(3 [pid 3692] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3694] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 3694] symlink("/dev/binderfs", "./binderfs" [pid 3693] chdir("./684" [pid 3692] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3695] <... openat resumed>) = 3 executing program [pid 3694] <... symlink resumed>) = 0 [pid 3693] <... chdir resumed>) = 0 [pid 3692] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3695] write(3, "1000", 4 [pid 3694] write(1, "executing program\n", 18 [pid 3693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] close(4 [pid 3695] <... write resumed>) = 4 [pid 3694] <... write resumed>) = 18 [pid 3693] <... prctl resumed>) = 0 [pid 3692] <... symlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3692] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rmdir("./643/config" [pid 3694] mkdirat(AT_FDCWD, "./config", 0777 [pid 3692] <... unlinkat resumed>) = 0 [pid 3693] setpgid(0, 0 [pid 3692] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... rmdir resumed>) = 0 [pid 3693] <... setpgid resumed>) = 0 [pid 3692] <... unlinkat resumed>) = 0 [pid 306] getdents64(3 [pid 3694] <... mkdirat resumed>) = 0 [pid 3695] close(3 [pid 3694] mount(NULL, "./config", "configfs", 0, NULL [pid 3693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3692] exit_group(0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3695] <... close resumed>) = 0 [pid 3692] <... exit_group resumed>) = ? [pid 306] close(3 [pid 3693] <... openat resumed>) = 3 [pid 3693] write(3, "1000", 4 [pid 3692] +++ exited with 0 +++ [pid 3695] symlink("/dev/binderfs", "./binderfs" [pid 3694] <... mount resumed>) = 0 [pid 3693] <... write resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 3694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./643" [pid 3694] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3693] close(3 [pid 3694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3693] <... close resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3695] <... symlink resumed>) = 0 [pid 3694] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3693] symlink("/dev/binderfs", "./binderfs" [pid 3695] write(1, "executing program\n", 18 [pid 3694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3693] <... symlink resumed>) = 0 [pid 306] mkdir("./644", 0777 [pid 3695] <... write resumed>) = 18 [pid 3693] write(1, "executing program\n", 18) = 18 [pid 3693] mkdirat(AT_FDCWD, "./config", 0777 [pid 3695] mkdirat(AT_FDCWD, "./config", 0777 [pid 3694] <... mkdirat resumed>) = 0 [pid 3693] <... mkdirat resumed>) = 0 [pid 310] umount2("./693", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 3694] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3693] mount(NULL, "./config", "configfs", 0, NULL [pid 3694] <... symlinkat resumed>) = 0 [pid 3693] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3695] <... mkdirat resumed>) = 0 [pid 3694] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] openat(AT_FDCWD, "./693", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3695] mount(NULL, "./config", "configfs", 0, NULL [pid 3694] <... unlinkat resumed>) = 0 [pid 3693] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3695] <... mount resumed>) = 0 executing program executing program [pid 3694] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 3 [pid 3695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3694] <... unlinkat resumed>) = 0 [pid 3693] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3695] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3694] exit_group(0 [pid 3693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3693] <... mkdirat resumed>) = 0 [pid 3693] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3694] <... exit_group resumed>) = ? [pid 3693] <... symlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 3693] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3696 [pid 3693] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3693] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./693/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3695] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3694] +++ exited with 0 +++ [pid 3693] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3693] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./693/binderfs" [pid 3695] <... mkdirat resumed>) = 0 [pid 3693] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3695] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3693] +++ exited with 0 +++ [pid 310] unlink("./693/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3696 attached ) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3695] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 3695] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3695] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3695] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./693/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3695] <... unlinkat resumed>) = 0 [pid 3695] exit_group(0 [pid 310] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3695] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./693/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 3695] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] close(4) = 0 [pid 310] rmdir("./693/config" [pid 3696] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./693" [pid 3696] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3696] chdir("./644" [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./694", 0777 [pid 3696] <... chdir resumed>) = 0 [pid 3696] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3696] setpgid(0, 0) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3696] write(3, "1000", 4ci2-android-6-1/strace-static-x86_64: Process 3697 attached [pid 3697] set_robust_list(0x55556c898760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3697 [pid 3697] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3696] <... write resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3697] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3697] chdir("./694" [pid 3696] close(3 [pid 3697] <... chdir resumed>) = 0 [pid 3696] <... close resumed>) = 0 [pid 3697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3696] symlink("/dev/binderfs", "./binderfs" [pid 3697] <... prctl resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 3697] setpgid(0, 0) = 0 [pid 3696] <... symlink resumed>) = 0 [pid 3696] write(1, "executing program\n", 18 [pid 309] umount2("./684", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 3697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3696] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3697] write(3, "1000", 4 [pid 3696] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] openat(AT_FDCWD, "./684", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3697] <... write resumed>) = 4 [pid 3697] close(3 [pid 3696] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 3697] <... close resumed>) = 0 [pid 3696] mount(NULL, "./config", "configfs", 0, NULL [pid 309] fstat(3 [pid 3697] symlink("/dev/binderfs", "./binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3696] <... mount resumed>) = 0 [pid 309] getdents64(3 [pid 3697] <... symlink resumed>) = 0 [pid 3697] write(1, "executing program\n", 18 [pid 3696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3697] <... write resumed>) = 18 executing program [pid 309] umount2("./684/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3697] mkdirat(AT_FDCWD, "./config", 0777 [pid 3696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] newfstatat(AT_FDCWD, "./684/binderfs" [pid 3696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] unlink("./684/binderfs" [pid 3696] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 3697] <... mkdirat resumed>) = 0 [pid 309] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3697] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3696] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = 0 [pid 3697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3696] <... symlinkat resumed>) = 0 [pid 309] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3697] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] newfstatat(AT_FDCWD, "./684/config" [pid 3696] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3697] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3696] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3696] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./669", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3697] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3696] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./690", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3697] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3696] exit_group(0 [pid 309] openat(AT_FDCWD, "./684/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3697] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3696] <... exit_group resumed>) = ? [pid 309] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./690", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3697] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3696] +++ exited with 0 +++ [pid 309] fstat(4 [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./669", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3697] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 3697] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 3697] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3697] exit_group(0 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] fstat(3 [pid 3697] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./690/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./690/binderfs" [pid 309] rmdir("./684/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 308] unlink("./690/binderfs" [pid 3697] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 308] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./669/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] close(3 [pid 308] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./684" [pid 308] newfstatat(AT_FDCWD, "./690/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./669/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./685", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./690/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] rmdir("./690/config" [pid 307] unlink("./669/binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... close resumed>) = 0 [pid 307] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./694", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./690") = 0 ci2-android-6-1/strace-static-x86_64: Process 3698 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3698 [pid 308] mkdir("./691", 0777 [pid 307] <... umount2 resumed>) = 0 [pid 3698] set_robust_list(0x55556c898760, 24 [pid 310] openat(AT_FDCWD, "./694", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 3698] <... set_robust_list resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3698] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3699 attached [pid 3698] chdir("./685" [pid 310] getdents64(3 [pid 3699] set_robust_list(0x55556c898760, 24 [pid 3698] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3699 [pid 307] newfstatat(AT_FDCWD, "./669/config" [pid 3699] <... set_robust_list resumed>) = 0 [pid 3698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./694/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3698] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3699] rt_sigprocmask(SIG_SETMASK, [] [pid 3698] setpgid(0, 0 [pid 310] newfstatat(AT_FDCWD, "./694/binderfs" [pid 3699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3698] <... setpgid resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./694/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3699] chdir("./691") = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./669/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... restart_syscall resumed>) = 0 [pid 3698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 3699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = 0 [pid 307] fstat(4 [pid 310] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./644", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3699] <... prctl resumed>) = 0 [pid 3698] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./694/config" [pid 3699] setpgid(0, 0 [pid 3698] write(3, "1000", 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] openat(AT_FDCWD, "./644", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3698] <... write resumed>) = 4 [pid 310] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 3698] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 3698] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./694/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 3698] symlink("/dev/binderfs", "./binderfs" [pid 310] <... openat resumed>) = 4 [pid 307] close(4 [pid 310] fstat(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 307] rmdir("./669/config" [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3699] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 3699] <... openat resumed>) = 3 [pid 3698] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./644/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3698] write(1, "executing program\n", 18 [pid 310] close(4 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3699] write(3, "1000", 4 [pid 3698] <... write resumed>) = 18 [pid 310] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./644/binderfs" [pid 310] rmdir("./694/config" [pid 307] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 3699] <... write resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] unlink("./644/binderfs" [pid 3699] close(3 [pid 3698] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(3 [pid 307] rmdir("./669" [pid 3699] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 3699] symlink("/dev/binderfs", "./binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./644/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] mkdir("./670", 0777 [pid 3699] <... symlink resumed>) = 0 [pid 3698] <... mkdirat resumed>) = 0 [pid 310] close(3 [pid 306] <... umount2 resumed>) = 0 executing program [pid 3699] write(1, "executing program\n", 18) = 18 [pid 310] <... close resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./644/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3699] mkdirat(AT_FDCWD, "./config", 0777 [pid 3698] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rmdir("./694" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3699] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3699] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3698] <... mount resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./644/config" [pid 3699] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] mkdir("./695", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3699] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 306] umount2("./644/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3699] <... mkdirat resumed>) = 0 [pid 3699] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3698] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3699] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3700 [pid 306] openat(AT_FDCWD, "./644/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3699] <... unlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3699] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3698] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 4 [pid 3699] <... unlinkat resumed>) = 0 [pid 3699] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 3701 attached [pid 3699] +++ exited with 0 +++ [pid 3698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3701 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3701] set_robust_list(0x55556c898760, 24 [pid 3698] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3701] <... set_robust_list resumed>) = 0 [pid 3698] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 3701] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3701] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3698] <... symlinkat resumed>) = 0 [pid 3698] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./691", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 3701] chdir("./695" [pid 3698] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3701] <... chdir resumed>) = 0 [pid 3698] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] openat(AT_FDCWD, "./691", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3698] <... unlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 3701] <... prctl resumed>) = 0 [pid 3698] exit_group(0 [pid 308] fstat(3 [pid 306] close(4 [pid 3701] setpgid(0, 0 [pid 3698] <... exit_group resumed>) = ? [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./691/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./644/config" [pid 3701] <... setpgid resumed>) = 0 [pid 3698] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./691/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] unlink("./691/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 3701] <... openat resumed>) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... unlink resumed>) = 0 [pid 3701] write(3, "1000", 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 3701] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = 0 [pid 3701] close(3 [pid 308] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3701] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3700 attached [pid 3701] symlink("/dev/binderfs", "./binderfs" [pid 308] newfstatat(AT_FDCWD, "./691/config" [pid 306] close(3 [pid 3701] <... symlink resumed>) = 0 [pid 3700] set_robust_list(0x55556c898760, 24 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 3701] write(1, "executing program\n", 18 [pid 3700] <... set_robust_list resumed>) = 0 [pid 308] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 3701] <... write resumed>) = 18 [pid 3700] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3701] mkdirat(AT_FDCWD, "./config", 0777 [pid 3700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./691/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rmdir("./644" [pid 3700] chdir("./670" [pid 308] <... openat resumed>) = 4 [pid 3700] <... chdir resumed>) = 0 [pid 308] fstat(4 [pid 3701] <... mkdirat resumed>) = 0 [pid 3700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3701] mount(NULL, "./config", "configfs", 0, NULL [pid 3700] <... prctl resumed>) = 0 [pid 308] getdents64(4 [pid 3701] <... mount resumed>) = 0 [pid 3700] setpgid(0, 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] mkdir("./645", 0777 [pid 3701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3700] <... setpgid resumed>) = 0 [pid 308] getdents64(4 [pid 3700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3701] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3700] <... openat resumed>) = 3 [pid 308] close(4 [pid 306] <... mkdir resumed>) = 0 [pid 3701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3700] write(3, "1000", 4 [pid 308] <... close resumed>) = 0 [pid 3701] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3700] <... write resumed>) = 4 [pid 308] rmdir("./691/config" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3700] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 3701] <... mkdirat resumed>) = 0 [pid 3700] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3701] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3700] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3701] <... symlinkat resumed>) = 0 [pid 3700] <... symlink resumed>) = 0 [pid 308] close(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3701] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3700] write(1, "executing program\n", 18 [pid 308] <... close resumed>) = 0 [pid 3700] <... write resumed>) = 18 executing program [pid 308] rmdir("./691"ci2-android-6-1/strace-static-x86_64: Process 3702 attached [pid 3701] <... unlinkat resumed>) = 0 [pid 3700] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 3702] set_robust_list(0x55556c898760, 24 [pid 3701] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3700] <... mkdirat resumed>) = 0 [pid 308] mkdir("./692", 0777 [pid 3702] <... set_robust_list resumed>) = 0 [pid 3701] <... unlinkat resumed>) = 0 [pid 3700] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... mkdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3702 [pid 3702] rt_sigprocmask(SIG_SETMASK, [] [pid 3701] exit_group(0 [pid 3700] <... mount resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3702] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3701] <... exit_group resumed>) = ? [pid 3700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3700] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3703 attached [pid 3702] chdir("./645" [pid 3701] +++ exited with 0 +++ [pid 3700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3703] set_robust_list(0x55556c898760, 24 [pid 3702] <... chdir resumed>) = 0 [pid 3700] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3703 [pid 3703] <... set_robust_list resumed>) = 0 [pid 3702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./685", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3703] rt_sigprocmask(SIG_SETMASK, [] [pid 3702] <... prctl resumed>) = 0 [pid 3700] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3703] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3702] setpgid(0, 0 [pid 3700] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./695", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./685", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3703] chdir("./692" [pid 3702] <... setpgid resumed>) = 0 [pid 3700] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 3703] <... chdir resumed>) = 0 [pid 3702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3700] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./695", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 3703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3702] <... openat resumed>) = 3 [pid 3700] <... unlinkat resumed>) = 0 [pid 3703] <... prctl resumed>) = 0 [pid 3702] write(3, "1000", 4 [pid 3700] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3703] setpgid(0, 0 [pid 3702] <... write resumed>) = 4 [pid 3700] <... unlinkat resumed>) = 0 [pid 310] fstat(3 [pid 3703] <... setpgid resumed>) = 0 [pid 3702] close(3 [pid 3700] exit_group(0 [pid 309] getdents64(3 [pid 3702] <... close resumed>) = 0 [pid 3700] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3702] symlink("/dev/binderfs", "./binderfs" [pid 3700] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] getdents64(3 [pid 309] umount2("./685/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3700, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3702] <... symlink resumed>) = 0 [pid 3702] write(1, "executing program\n", 18 [pid 310] umount2("./695/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3703] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./685/binderfs" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3703] write(3, "1000", 4 [pid 3702] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3703] <... write resumed>) = 4 executing program [pid 3703] close(3 [pid 3702] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./695/binderfs" [pid 309] unlink("./685/binderfs" [pid 3703] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3703] symlink("/dev/binderfs", "./binderfs" [pid 3702] <... mkdirat resumed>) = 0 [pid 310] unlink("./695/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 3702] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... unlink resumed>) = 0 [pid 3703] <... symlink resumed>) = 0 [pid 3702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3703] write(1, "executing program\n", 18 [pid 3702] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 310] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3703] <... write resumed>) = 18 [pid 3702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 3703] mkdirat(AT_FDCWD, "./config", 0777 [pid 3702] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = 0 [pid 3702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3703] <... mkdirat resumed>) = 0 [pid 3702] <... mkdirat resumed>) = 0 [pid 3703] mount(NULL, "./config", "configfs", 0, NULL [pid 3702] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3703] <... mount resumed>) = 0 [pid 3702] <... symlinkat resumed>) = 0 [pid 3703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3702] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./695/config" [pid 309] newfstatat(AT_FDCWD, "./685/config" [pid 3703] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3702] <... unlinkat resumed>) = 0 [pid 3703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3702] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3703] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3702] <... unlinkat resumed>) = 0 [pid 3703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3702] exit_group(0 [pid 310] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3702] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3703] <... mkdirat resumed>) = 0 [pid 3702] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3703] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./695/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./685/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] fstat(4 [pid 309] fstat(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3703] <... symlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3703] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3703] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 3703] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3703] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] close(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./695/config" [pid 309] <... close resumed>) = 0 [pid 3703] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 3703] <... exit_group resumed>) = ? [pid 309] rmdir("./685/config" [pid 310] getdents64(3 [pid 3703] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./670", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./645", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./695" [pid 309] close(3 [pid 308] umount2("./692", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./670", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./645", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./696", 0777 [pid 309] rmdir("./685" [pid 308] openat(AT_FDCWD, "./692", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] fstat(3 [pid 306] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./692/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] newfstatat(AT_FDCWD, "./692/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] mkdir("./686", 0777 [pid 308] unlink("./692/binderfs" [pid 307] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./670/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./645/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./692/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./692/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3704 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] fstat(4 [pid 307] newfstatat(AT_FDCWD, "./670/binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./645/binderfs" [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./692/config" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3705 [pid 308] getdents64(3 [pid 307] unlink("./670/binderfs" [pid 306] unlink("./645/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./692" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] mkdir("./693", 0777 [pid 307] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3705 attached [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./645/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./645/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3705] set_robust_list(0x55556c898760, 24 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3706 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./670/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3704 attached [pid 3704] set_robust_list(0x55556c898760, 24) = 0 [pid 3704] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./645/config" [pid 3705] <... set_robust_list resumed>) = 0 [pid 3704] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3704] chdir("./696" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3704] <... chdir resumed>) = 0 [pid 3704] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3704] setpgid(0, 0) = 0 [pid 3704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./645/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3704] <... openat resumed>) = 3 [pid 3704] write(3, "1000", 4) = 4 [pid 307] openat(AT_FDCWD, "./670/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3704] close(3) = 0 [pid 3704] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./645/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(4 [pid 3704] write(1, "executing program\n", 18) = 18 executing program [pid 3704] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3706 attached [pid 3705] rt_sigprocmask(SIG_SETMASK, [] [pid 3704] <... mkdirat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 [pid 3704] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] fstat(4 [pid 307] getdents64(4 [pid 3704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 3705] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3704] <... mkdirat resumed>) = 0 [pid 3706] set_robust_list(0x55556c898760, 24 [pid 307] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3704] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 3704] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3704] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 3704] exit_group(0 [pid 306] close(4 [pid 307] <... close resumed>) = 0 [pid 3704] <... exit_group resumed>) = ? [pid 3706] <... set_robust_list resumed>) = 0 [pid 3705] chdir("./686" [pid 3704] +++ exited with 0 +++ [pid 307] rmdir("./670/config" [pid 306] <... close resumed>) = 0 [pid 3706] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3706] chdir("./693" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./645/config" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 3706] <... chdir resumed>) = 0 [pid 3706] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3706] setpgid(0, 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3706] <... setpgid resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 307] rmdir("./670" [pid 306] <... close resumed>) = 0 [pid 3706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./645" [pid 3706] write(3, "1000", 4) = 4 [pid 3706] close(3) = 0 [pid 3706] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] mkdir("./671", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 3706] write(1, "executing program\n", 18) = 18 executing program [pid 3706] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] mkdir("./646", 0777 [pid 3706] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3705] <... chdir resumed>) = 0 [pid 3706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3706] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3706] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3706] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3706] exit_group(0) = ? [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3707 [pid 3705] <... prctl resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3708 attached [pid 3706] +++ exited with 0 +++ [pid 3705] setpgid(0, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3708 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3706, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3707 attached [pid 3707] set_robust_list(0x55556c898760, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3707] <... set_robust_list resumed>) = 0 [pid 3707] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3705] <... setpgid resumed>) = 0 [pid 3707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3707] chdir("./671") = 0 [pid 3707] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3707] setpgid(0, 0) = 0 [pid 3707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./696", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3707] write(3, "1000", 4) = 4 [pid 3707] close(3) = 0 [pid 3707] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 3705] <... openat resumed>) = 3 [pid 308] umount2("./693", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./696", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 3705] write(3, "1000", 4 [pid 308] openat(AT_FDCWD, "./693", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 3705] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 3705] close(3 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./693/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3705] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./693/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./693/binderfs" [pid 3705] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./696/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3707] write(1, "executing program\n", 18 [pid 310] newfstatat(AT_FDCWD, "./696/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 3705] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 3705] write(1, "executing program\n", 18 [pid 310] unlink("./696/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./693/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3705] <... write resumed>) = 18 [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3705] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] openat(AT_FDCWD, "./693/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3705] <... mkdirat resumed>) = 0 [pid 310] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3705] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 3707] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./696/config" [pid 308] <... close resumed>) = 0 [pid 3707] mkdirat(AT_FDCWD, "./config", 0777 [pid 3705] <... mount resumed>) = 0 executing program [pid 308] rmdir("./693/config" [pid 3708] set_robust_list(0x55556c898760, 24 [pid 3707] <... mkdirat resumed>) = 0 [pid 3705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3705] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 3705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3705] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./696/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(3 [pid 3705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... openat resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 310] fstat(4 [pid 308] rmdir("./693" [pid 3705] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3705] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 308] mkdir("./694", 0777 [pid 3705] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... mkdir resumed>) = 0 [pid 3705] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3708] <... set_robust_list resumed>) = 0 [pid 3707] mount(NULL, "./config", "configfs", 0, NULL [pid 3705] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 3709 attached [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3709 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3708] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3705] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(4 [pid 3708] chdir("./646") = 0 [pid 3708] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3708] setpgid(0, 0) = 0 [pid 3708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... close resumed>) = 0 [pid 3708] write(3, "1000", 4) = 4 [pid 3705] <... unlinkat resumed>) = 0 [pid 310] rmdir("./696/config" [pid 3708] close(3) = 0 [pid 3708] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3708] write(1, "executing program\n", 18) = 18 [pid 3708] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3707] <... mount resumed>) = 0 executing program [pid 3705] exit_group(0 [pid 3709] set_robust_list(0x55556c898760, 24 [pid 310] <... rmdir resumed>) = 0 [pid 3708] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3705] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 3708] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3708] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3708] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3708] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3705] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3708] exit_group(0) = ? [pid 3709] <... set_robust_list resumed>) = 0 [pid 3708] +++ exited with 0 +++ [pid 3707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3709] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3709] chdir("./694") = 0 [pid 3709] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3709] setpgid(0, 0) = 0 [pid 3709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] rmdir("./696" [pid 3707] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3709] write(3, "1000", 4) = 4 [pid 3709] close(3) = 0 [pid 3709] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3709] write(1, "executing program\n", 18) = 18 executing program [pid 3709] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 3709] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./686", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3707] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./697", 0777 [pid 306] umount2("./646", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3709] <... mount resumed>) = 0 [pid 3709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./646", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./686", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 3709] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3707] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(3 [pid 3707] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3709] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3709] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3709] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3710 [pid 309] getdents64(3 [pid 3709] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3707] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./686/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3707] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./646/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3709] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./686/binderfs" [pid 3707] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] newfstatat(AT_FDCWD, "./646/binderfs" [pid 3709] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3707] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] unlink("./686/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3709] +++ exited with 0 +++ [pid 3707] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... unlink resumed>) = 0 [pid 306] unlink("./646/binderfs" [pid 309] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3710 attached [pid 3710] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./646/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 3707] exit_group(0 [pid 309] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3707] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 3710] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3710] chdir("./697") = 0 [pid 3710] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3710] setpgid(0, 0) = 0 [pid 3707] +++ exited with 0 +++ [pid 3710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] newfstatat(AT_FDCWD, "./686/config" [pid 306] umount2("./646/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3710] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./646/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./686/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./646/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3710] write(3, "1000", 4 [pid 309] <... openat resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./646/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 3710] <... write resumed>) = 4 [pid 306] <... openat resumed>) = 4 [pid 308] umount2("./694", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3710] close(3) = 0 [pid 3710] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 309] getdents64(4 [pid 308] openat(AT_FDCWD, "./694", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 309] close(4 [pid 308] fstat(3 [pid 3710] <... symlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./686/config" [pid 308] getdents64(3 [pid 306] getdents64(4 [pid 3710] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3710] <... write resumed>) = 18 executing program [pid 3710] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./694/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 309] getdents64(3 [pid 3710] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./694/binderfs" [pid 309] close(3 [pid 306] rmdir("./646/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 3710] <... mount resumed>) = 0 [pid 3710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] rmdir("./686" [pid 308] unlink("./694/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 3710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 309] mkdir("./687", 0777 [pid 308] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3710] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3710] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3710] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... mkdir resumed>) = 0 [pid 3710] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3710] exit_group(0) = ? [pid 3710] +++ exited with 0 +++ [pid 306] rmdir("./646"ci2-android-6-1/strace-static-x86_64: Process 3711 attached [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3711 [pid 308] newfstatat(AT_FDCWD, "./694/config" [pid 306] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] mkdir("./647", 0777 [pid 3711] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] openat(AT_FDCWD, "./694/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3711] <... set_robust_list resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3712 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3712 attached [pid 3712] set_robust_list(0x55556c898760, 24) = 0 [pid 3712] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3712] chdir("./647") = 0 [pid 3712] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3712] setpgid(0, 0) = 0 [pid 3712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./671", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3712] write(3, "1000", 4) = 4 [pid 3712] close(3) = 0 [pid 3712] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3711] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3712] write(1, "executing program\n", 18) = 18 executing program [pid 3712] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3711] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./671", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3712] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] close(4 [pid 307] <... openat resumed>) = 3 [pid 3712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] fstat(3 [pid 308] <... close resumed>) = 0 [pid 3712] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rmdir("./694/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] umount2("./697", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 3712] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3712] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] openat(AT_FDCWD, "./697", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 3712] <... unlinkat resumed>) = 0 [pid 3712] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./671/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3712] <... unlinkat resumed>) = 0 [pid 3712] exit_group(0 [pid 310] fstat(3 [pid 308] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3711] chdir("./687" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./671/binderfs" [pid 310] getdents64(3 [pid 308] rmdir("./694" [pid 3711] <... chdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3712] <... exit_group resumed>) = ? [pid 3712] +++ exited with 0 +++ [pid 3711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./697/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] unlink("./671/binderfs" [pid 3711] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./695", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] newfstatat(AT_FDCWD, "./697/binderfs" [pid 307] <... unlink resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3711] setpgid(0, 0 [pid 308] <... mkdir resumed>) = 0 [pid 3711] <... setpgid resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./697/binderfs") = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = 0 [pid 3711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3711] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3711] write(3, "1000", 4 [pid 310] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3711] <... write resumed>) = 4 [pid 3711] close(3) = 0 ci2-android-6-1/strace-static-x86_64: Process 3713 attached [pid 3711] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./671/config" [pid 310] newfstatat(AT_FDCWD, "./697/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3713 [pid 3713] set_robust_list(0x55556c898760, 24 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./697/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] <... set_robust_list resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./671/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 3713] rt_sigprocmask(SIG_SETMASK, [] [pid 3711] <... symlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 3711] write(1, "executing program\n", 18 [pid 307] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3711] <... write resumed>) = 18 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 307] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 3711] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(4 [pid 307] getdents64(4 [pid 3713] chdir("./695" [pid 310] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./697/config" [pid 307] close(4 [pid 3713] <... chdir resumed>) = 0 [pid 3713] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3713] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 3713] <... setpgid resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 307] rmdir("./671/config" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 3713] write(3, "1000", 4 [pid 310] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 3711] <... mkdirat resumed>) = 0 [pid 310] rmdir("./697" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3713] <... write resumed>) = 4 [pid 3713] close(3) = 0 [pid 3713] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3711] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rmdir resumed>) = 0 [pid 307] close(3 [pid 310] mkdir("./698", 0777 [pid 3713] write(1, "executing program\n", 18 [pid 307] <... close resumed>) = 0 [pid 3713] <... write resumed>) = 18 [pid 3713] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3711] <... mount resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 executing program [pid 307] rmdir("./671" [pid 3713] mount(NULL, "./config", "configfs", 0, NULL [pid 3711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 3713] <... mount resumed>) = 0 [pid 3713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3713] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] mkdir("./672", 0777 [pid 306] umount2("./647", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] openat(AT_FDCWD, "./647", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... openat resumed>) = 3 [pid 3713] <... mkdirat resumed>) = 0 [pid 306] fstat(3 [pid 3713] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3713] <... symlinkat resumed>) = 0 [pid 306] getdents64(3 [pid 3713] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3714 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3713] <... unlinkat resumed>) = 0 [pid 3711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./647/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3713] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3713] <... unlinkat resumed>) = 0 [pid 3711] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./647/binderfs" [pid 3713] exit_group(0 [pid 3711] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3713] <... exit_group resumed>) = ? [pid 306] unlink("./647/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3715 attached [pid 3713] +++ exited with 0 +++ [pid 3711] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3715 [pid 3711] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./647/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./647/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./647/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3711] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(4 [pid 3711] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3715] set_robust_list(0x55556c898760, 24 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 3711] exit_group(0 [pid 306] <... close resumed>) = 0 [pid 3711] <... exit_group resumed>) = ? [pid 306] rmdir("./647/config") = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./647" [pid 3715] <... set_robust_list resumed>) = 0 [pid 3711] +++ exited with 0 +++ [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./648", 0777 [pid 3715] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... mkdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3716 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3714 attached ci2-android-6-1/strace-static-x86_64: Process 3716 attached [pid 3715] chdir("./672" [pid 3714] set_robust_list(0x55556c898760, 24) = 0 [pid 3714] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3714] chdir("./698") = 0 [pid 3714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3714] setpgid(0, 0) = 0 [pid 3714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3715] <... chdir resumed>) = 0 [pid 3714] <... openat resumed>) = 3 [pid 3714] write(3, "1000", 4) = 4 [pid 3714] close(3) = 0 [pid 3714] symlink("/dev/binderfs", "./binderfs" [pid 3716] set_robust_list(0x55556c898760, 24 [pid 3715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3714] <... symlink resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3714] write(1, "executing program\n", 18) = 18 executing program [pid 3714] mkdirat(AT_FDCWD, "./config", 0777 [pid 3716] <... set_robust_list resumed>) = 0 [pid 3715] <... prctl resumed>) = 0 [pid 3714] <... mkdirat resumed>) = 0 [pid 3714] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3715] setpgid(0, 0 [pid 3714] <... mkdirat resumed>) = 0 [pid 308] umount2("./695", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3714] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3714] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3714] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3714] exit_group(0) = ? [pid 3716] rt_sigprocmask(SIG_SETMASK, [] [pid 3715] <... setpgid resumed>) = 0 [pid 3714] +++ exited with 0 +++ [pid 308] openat(AT_FDCWD, "./695", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3716] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3716] chdir("./648") = 0 [pid 3716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3716] setpgid(0, 0) = 0 [pid 3716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3716] write(3, "1000", 4) = 4 [pid 3716] close(3) = 0 [pid 3716] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3716] write(1, "executing program\n", 18 [pid 308] <... openat resumed>) = 3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./687", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./687", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 3716] <... write resumed>) = 18 [pid 309] <... openat resumed>) = 3 [pid 3716] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./695/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3716] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] newfstatat(AT_FDCWD, "./695/binderfs" [pid 3716] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./687/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3716] <... mount resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./695/binderfs" [pid 309] newfstatat(AT_FDCWD, "./687/binderfs" [pid 3716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... unlink resumed>) = 0 [pid 3716] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./698", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./687/binderfs" [pid 308] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] openat(AT_FDCWD, "./698", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 3716] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./695/config" [pid 3716] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./698/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./687/config" [pid 3716] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3716] <... unlinkat resumed>) = 0 [pid 3715] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./698/binderfs" [pid 309] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3716] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3715] write(3, "1000", 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3716] <... unlinkat resumed>) = 0 [pid 3715] <... write resumed>) = 4 [pid 310] unlink("./698/binderfs" [pid 309] openat(AT_FDCWD, "./687/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3716] exit_group(0 [pid 309] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./695/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3716] <... exit_group resumed>) = ? [pid 3715] close(3 [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(4 [pid 3716] +++ exited with 0 +++ [pid 3715] <... close resumed>) = 0 [pid 310] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 4 [pid 3715] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 308] fstat(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3715] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 3715] write(1, "executing program\n", 18 [pid 310] newfstatat(AT_FDCWD, "./698/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3715] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 306] <... restart_syscall resumed>) = 0 executing program [pid 310] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./687/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3715] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 306] umount2("./648", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./698/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] close(3 [pid 308] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./648", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./695/config" [pid 306] <... openat resumed>) = 3 [pid 3715] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./687" [pid 308] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 3715] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./688", 0777 [pid 306] getdents64(3 [pid 3715] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3 [pid 3715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./648/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3715] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./648/binderfs" [pid 3715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] close(4 [pid 308] rmdir("./695" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3717 [pid 306] unlink("./648/binderfs" [pid 3715] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rmdir("./698/config" [pid 306] <... umount2 resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./648/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./648/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./648/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 3715] <... mkdirat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./648/config" [pid 3715] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rmdir resumed>) = 0 [pid 308] mkdir("./696", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./648" [pid 3715] <... symlinkat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./649", 0777 [pid 3715] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3715] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3715] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3717 attached [pid 3715] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3718 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3718 attached [pid 3718] set_robust_list(0x55556c898760, 24) = 0 [pid 3718] rt_sigprocmask(SIG_SETMASK, [] [pid 3715] exit_group(0 [pid 310] rmdir("./698" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3718] chdir("./649") = 0 [pid 3718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3718] setpgid(0, 0) = 0 [pid 3718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3718] write(3, "1000", 4) = 4 [pid 3718] close(3) = 0 [pid 3718] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3715] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3719 [pid 3718] write(1, "executing program\n", 18) = 18 [pid 3718] mkdirat(AT_FDCWD, "./config", 0777 [pid 3717] set_robust_list(0x55556c898760, 24 [pid 3718] <... mkdirat resumed>) = 0 [pid 3715] +++ exited with 0 +++ [pid 310] mkdir("./699", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3718] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3715, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) executing program [pid 3718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3717] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3718] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3718] <... symlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3718] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3718] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./672", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3718] <... unlinkat resumed>) = 0 [pid 3718] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 3720 attached [pid 3718] +++ exited with 0 +++ [pid 3717] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3720 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3719 attached [pid 3719] set_robust_list(0x55556c898760, 24) = 0 [pid 3719] rt_sigprocmask(SIG_SETMASK, [] [pid 3717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./672", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3717] chdir("./688" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3719] chdir("./696") = 0 [pid 307] <... openat resumed>) = 3 [pid 3719] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3719] setpgid(0, 0 [pid 3717] <... chdir resumed>) = 0 [pid 307] fstat(3 [pid 3719] <... setpgid resumed>) = 0 [pid 3719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3719] <... openat resumed>) = 3 [pid 3719] write(3, "1000", 4) = 4 [pid 3719] close(3) = 0 [pid 3719] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] getdents64(3 [pid 3717] <... prctl resumed>) = 0 executing program [pid 3719] write(1, "executing program\n", 18) = 18 [pid 3719] mkdirat(AT_FDCWD, "./config", 0777 [pid 3720] set_robust_list(0x55556c898760, 24 [pid 3719] <... mkdirat resumed>) = 0 [pid 3717] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3719] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3717] <... setpgid resumed>) = 0 [pid 307] umount2("./672/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3720] <... set_robust_list resumed>) = 0 [pid 3719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3719] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3719] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3719] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3717] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./672/binderfs" [pid 3719] <... unlinkat resumed>) = 0 [pid 3717] write(3, "1000", 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3719] exit_group(0) = ? [pid 3720] rt_sigprocmask(SIG_SETMASK, [] [pid 3719] +++ exited with 0 +++ [pid 3717] <... write resumed>) = 4 [pid 307] unlink("./672/binderfs" [pid 3720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3717] close(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... unlink resumed>) = 0 [pid 3720] chdir("./699" [pid 3717] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3717] symlink("/dev/binderfs", "./binderfs" [pid 3720] <... chdir resumed>) = 0 [pid 3720] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3720] setpgid(0, 0) = 0 [pid 3720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3717] <... symlink resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3717] write(1, "executing program\n", 18 executing program [pid 307] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3717] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3720] <... openat resumed>) = 3 [pid 3717] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] newfstatat(AT_FDCWD, "./672/config" [pid 3720] write(3, "1000", 4) = 4 [pid 3720] close(3) = 0 [pid 3720] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3720] write(1, "executing program\n", 18 [pid 3717] <... mkdirat resumed>) = 0 executing program [pid 3720] <... write resumed>) = 18 [pid 3717] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3720] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] umount2("./649", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3720] <... mkdirat resumed>) = 0 [pid 3717] <... mount resumed>) = 0 [pid 307] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3720] mount(NULL, "./config", "configfs", 0, NULL [pid 3717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./649", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3720] <... mount resumed>) = 0 [pid 3717] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] openat(AT_FDCWD, "./672/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 3720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... openat resumed>) = 4 [pid 306] fstat(3 [pid 3720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3717] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] fstat(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 3720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3717] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 306] umount2("./649/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3717] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3720] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] newfstatat(AT_FDCWD, "./649/binderfs" [pid 3720] <... symlinkat resumed>) = 0 [pid 3717] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3720] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3717] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] getdents64(4 [pid 306] unlink("./649/binderfs" [pid 3720] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3717] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... unlink resumed>) = 0 [pid 3717] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... restart_syscall resumed>) = 0 [pid 307] close(4 [pid 306] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3720] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3717] <... unlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3720] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3717] exit_group(0 [pid 307] rmdir("./672/config" [pid 306] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3720] exit_group(0 [pid 3717] <... exit_group resumed>) = ? [pid 308] umount2("./696", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3720] <... exit_group resumed>) = ? [pid 306] newfstatat(AT_FDCWD, "./649/config" [pid 3720] +++ exited with 0 +++ [pid 3717] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./696", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 306] umount2("./649/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 308] fstat(3 [pid 307] close(3 [pid 306] openat(AT_FDCWD, "./649/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 310] umount2("./699", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] rmdir("./672" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 310] openat(AT_FDCWD, "./699", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./696/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 306] rmdir("./649/config" [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./673", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./696/binderfs" [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./649" [pid 310] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] unlink("./696/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./650", 0777 [pid 310] umount2("./699/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./699/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./688", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 310] unlink("./699/binderfs" [pid 309] openat(AT_FDCWD, "./688", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3721 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3722 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 308] newfstatat(AT_FDCWD, "./696/config" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(3 [pid 310] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./688/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./699/config" [pid 309] newfstatat(AT_FDCWD, "./688/binderfs" [pid 308] openat(AT_FDCWD, "./696/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./688/binderfs" [pid 308] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 3722 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 308] fstat(4 [pid 310] openat(AT_FDCWD, "./699/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./688/config" [pid 310] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./688/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 310] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 308] close(4 [pid 310] rmdir("./699/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./688/config" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./696/config" [pid 310] getdents64(3 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./688"ci2-android-6-1/strace-static-x86_64: Process 3721 attached [pid 3722] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3721] set_robust_list(0x55556c898760, 24 [pid 310] close(3 [pid 309] mkdir("./689", 0777 [pid 3722] <... set_robust_list resumed>) = 0 [pid 3721] <... set_robust_list resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 3721] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./699" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3721] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3721] chdir("./673" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3723 attached [pid 3722] rt_sigprocmask(SIG_SETMASK, [] [pid 3721] <... chdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 3721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3723 [pid 3721] <... prctl resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3721] setpgid(0, 0 [pid 310] mkdir("./700", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 3721] <... setpgid resumed>) = 0 [pid 3721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3721] write(3, "1000", 4) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 308] rmdir("./696" [pid 3721] close(3) = 0 [pid 3721] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] mkdir("./697", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3721] write(1, "executing program\n", 18) = 18 [pid 3721] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 3721] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3724 executing program [pid 3721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3721] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3721] <... symlinkat resumed>) = 0 [pid 3721] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3721] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3721] exit_group(0) = ? [pid 3723] set_robust_list(0x55556c898760, 24 [pid 3722] chdir("./650" [pid 3721] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3724 attached [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3725 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3724] set_robust_list(0x55556c898760, 24 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3724] <... set_robust_list resumed>) = 0 [pid 3724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3724] chdir("./700") = 0 [pid 3724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3722] <... chdir resumed>) = 0 [pid 3724] <... prctl resumed>) = 0 [pid 3724] setpgid(0, 0) = 0 [pid 3724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3724] <... openat resumed>) = 3 [pid 3724] write(3, "1000", 4) = 4 [pid 3724] close(3) = 0 [pid 3724] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3723] <... set_robust_list resumed>) = 0 [pid 3722] <... prctl resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3725 attached [pid 3725] set_robust_list(0x55556c898760, 24) = 0 [pid 3725] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3722] setpgid(0, 0 [pid 3725] chdir("./697" [pid 3722] <... setpgid resumed>) = 0 [pid 3725] <... chdir resumed>) = 0 [pid 3725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3725] setpgid(0, 0) = 0 [pid 3725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3725] <... openat resumed>) = 3 [pid 3722] <... openat resumed>) = 3 [pid 307] umount2("./673", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3725] write(3, "1000", 4) = 4 [pid 3722] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3725] close(3 [pid 307] openat(AT_FDCWD, "./673", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3722] <... write resumed>) = 4 [pid 3725] <... close resumed>) = 0 [pid 3722] close(3 [pid 307] <... openat resumed>) = 3 [pid 3725] symlink("/dev/binderfs", "./binderfs" [pid 307] fstat(3 [pid 3722] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3725] <... symlink resumed>) = 0 [pid 3722] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(3 [pid 3725] write(1, "executing program\n", 18) = 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3725] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 307] umount2("./673/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3722] <... symlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3723] rt_sigprocmask(SIG_SETMASK, [] [pid 3722] write(1, "executing program\n", 18 [pid 307] newfstatat(AT_FDCWD, "./673/binderfs" [pid 3725] <... mkdirat resumed>) = 0 [pid 3722] <... write resumed>) = 18 executing program [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3725] mount(NULL, "./config", "configfs", 0, NULL [pid 307] unlink("./673/binderfs" [pid 3722] mkdirat(AT_FDCWD, "./config", 0777 [pid 3725] <... mount resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 3725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... umount2 resumed>) = 0 [pid 3725] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3725] <... mkdirat resumed>) = 0 [pid 3722] <... mkdirat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./673/config" [pid 3725] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3722] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3725] <... symlinkat resumed>) = 0 [pid 307] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3725] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3722] <... mount resumed>) = 0 [pid 307] openat(AT_FDCWD, "./673/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3725] <... unlinkat resumed>) = 0 [pid 3722] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... openat resumed>) = 4 [pid 3725] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] fstat(4 [pid 3722] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3725] <... unlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 3722] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3725] exit_group(0 [pid 3722] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3722] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] getdents64(4 [pid 3725] <... exit_group resumed>) = ? [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3725] +++ exited with 0 +++ [pid 3724] write(1, "executing program\n", 18 [pid 3723] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3722] <... mkdirat resumed>) = 0 [pid 307] close(4 [pid 3722] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rmdir("./673/config" [pid 3722] <... symlinkat resumed>) = 0 [pid 3724] <... write resumed>) = 18 executing program [pid 3724] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3722] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... rmdir resumed>) = 0 [pid 3724] mount(NULL, "./config", "configfs", 0, NULL [pid 307] getdents64(3 [pid 3722] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3722] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3724] <... mount resumed>) = 0 [pid 307] close(3 [pid 3724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... close resumed>) = 0 [pid 3724] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rmdir("./673" [pid 3722] <... unlinkat resumed>) = 0 [pid 3724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3722] exit_group(0 [pid 307] <... rmdir resumed>) = 0 [pid 3722] <... exit_group resumed>) = ? [pid 3723] chdir("./689" [pid 307] mkdir("./674", 0777 [pid 3724] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3724] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3724] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3724] <... unlinkat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3724] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3724] <... exit_group resumed>) = ? [pid 3724] +++ exited with 0 +++ [pid 3722] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3724, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3726 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3723] <... chdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 3726 attached [pid 3723] <... prctl resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3723] setpgid(0, 0 [pid 3726] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 3723] <... setpgid resumed>) = 0 [pid 3726] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./700", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3726] chdir("./674" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3726] <... chdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./700", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3723] <... openat resumed>) = 3 [pid 3726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3723] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 3726] <... prctl resumed>) = 0 [pid 3723] <... write resumed>) = 4 [pid 310] fstat(3 [pid 3726] setpgid(0, 0 [pid 3723] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3726] <... setpgid resumed>) = 0 [pid 3726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 3723] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3726] <... openat resumed>) = 3 [pid 3723] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./700/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3726] write(3, "1000", 4) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3726] close(3) = 0 [pid 310] newfstatat(AT_FDCWD, "./700/binderfs" [pid 308] umount2("./697", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./700/binderfs" [pid 308] openat(AT_FDCWD, "./697", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3726] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3723] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 3726] write(1, "executing program\n", 18 [pid 3723] write(1, "executing program\n", 18 [pid 310] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 3726] <... write resumed>) = 18 executing program executing program [pid 3726] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3723] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = 0 [pid 308] fstat(3 [pid 310] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./650", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3723] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./700/config" [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3726] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./650", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./697/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./700/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./697/binderfs" [pid 306] fstat(3 [pid 3726] <... mount resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] fstat(4 [pid 308] unlink("./697/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 3726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 3726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(4 [pid 308] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./650/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./650/binderfs" [pid 3723] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3723] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./697/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./700/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./650/binderfs" [pid 3726] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3726] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 308] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3726] <... symlinkat resumed>) = 0 [pid 3723] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./697/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = 0 [pid 3723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rmdir("./700" [pid 308] <... openat resumed>) = 4 [pid 306] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3726] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3726] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 308] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./701", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] newfstatat(AT_FDCWD, "./650/config" [pid 3726] <... unlinkat resumed>) = 0 [pid 3726] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 308] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./650/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3726] <... exit_group resumed>) = ? [pid 3726] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./650/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3723] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3727 [pid 308] close(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3723] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] fstat(4 [pid 308] rmdir("./697/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3723] <... symlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3727 attached [pid 3727] set_robust_list(0x55556c898760, 24) = 0 [pid 3727] rt_sigprocmask(SIG_SETMASK, [] [pid 3723] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 308] getdents64(3 [pid 3727] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 3727] chdir("./701" [pid 308] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3723] <... unlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] close(4 [pid 3723] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rmdir("./697" [pid 306] <... close resumed>) = 0 [pid 3727] <... chdir resumed>) = 0 [pid 3727] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3727] setpgid(0, 0) = 0 [pid 3727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 306] rmdir("./650/config" [pid 3723] <... unlinkat resumed>) = 0 [pid 308] mkdir("./698", 0777 [pid 3727] <... openat resumed>) = 3 [pid 3727] write(3, "1000", 4 [pid 306] <... rmdir resumed>) = 0 [pid 3727] <... write resumed>) = 4 [pid 3727] close(3) = 0 [pid 3727] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3723] exit_group(0 [pid 308] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 3723] <... exit_group resumed>) = ? executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3727] write(1, "executing program\n", 18) = 18 [pid 3727] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... close resumed>) = 0 [pid 3727] <... mkdirat resumed>) = 0 [pid 3727] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rmdir("./650" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3728 [pid 3727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 3727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] mkdir("./651", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./674", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3727] <... mkdirat resumed>) = 0 [pid 3727] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./674", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3727] <... symlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3727] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3727] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3727] exit_group(0 [pid 307] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3729 [pid 3727] <... exit_group resumed>) = ? [pid 3727] +++ exited with 0 +++ [pid 3723] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./674/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./674/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3728 attached , {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./674/binderfs" [pid 3728] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... unlink resumed>) = 0 [pid 3728] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3728] chdir("./698" [pid 307] <... umount2 resumed>) = 0 [pid 3728] <... chdir resumed>) = 0 [pid 307] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3728] setpgid(0, 0 [pid 307] newfstatat(AT_FDCWD, "./674/config" [pid 3728] <... setpgid resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3728] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3728] write(3, "1000", 4) = 4 [pid 307] openat(AT_FDCWD, "./674/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3728] close(3 [pid 307] <... openat resumed>) = 4 [pid 3728] <... close resumed>) = 0 [pid 307] fstat(4 [pid 3728] symlink("/dev/binderfs", "./binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3728] <... symlink resumed>) = 0 [pid 307] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3729 attached , 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3729] set_robust_list(0x55556c898760, 24 [pid 307] getdents64(4 [pid 3729] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3728] write(1, "executing program\n", 18 executing program [pid 3729] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(4 [pid 3728] <... write resumed>) = 18 [pid 307] <... close resumed>) = 0 [pid 3728] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] rmdir("./674/config" [pid 3728] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3729] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 3729] chdir("./651" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3729] <... chdir resumed>) = 0 [pid 307] close(3 [pid 3729] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... close resumed>) = 0 [pid 3729] setpgid(0, 0 [pid 307] rmdir("./674" [pid 3729] <... setpgid resumed>) = 0 [pid 3729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 3728] mount(NULL, "./config", "configfs", 0, NULL [pid 307] mkdir("./675", 0777 [pid 3729] write(3, "1000", 4 [pid 3728] <... mount resumed>) = 0 [pid 3729] <... write resumed>) = 4 [pid 3729] close(3) = 0 [pid 3729] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3728] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3728] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3729] write(1, "executing program\n", 18) = 18 executing program [pid 3729] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3730 attached ) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3730 [pid 3728] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./689", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./689", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./701", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 310] openat(AT_FDCWD, "./701", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 310] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] fstat(3 [pid 309] umount2("./689/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./689/binderfs" [pid 3728] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3728] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./701/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./689/binderfs" [pid 3729] mount(NULL, "./config", "configfs", 0, NULL [pid 3728] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 3730] set_robust_list(0x55556c898760, 24 [pid 3729] <... mount resumed>) = 0 [pid 3728] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./701/binderfs" [pid 309] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3730] <... set_robust_list resumed>) = 0 [pid 3729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3728] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 3729] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3728] exit_group(0 [pid 310] unlink("./701/binderfs" [pid 309] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3728] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3730] rt_sigprocmask(SIG_SETMASK, [] [pid 3729] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3728] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./689/config" [pid 3729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3729] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3729] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3729] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./689/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3729] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./701/config" [pid 309] <... openat resumed>) = 4 [pid 3729] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 308] <... restart_syscall resumed>) = 0 [pid 3729] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3729] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 3730] chdir("./675" [pid 3729] exit_group(0 [pid 310] openat(AT_FDCWD, "./701/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3729] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 3730] <... chdir resumed>) = 0 [pid 3729] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] fstat(4 [pid 309] close(4 [pid 308] umount2("./698", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 309] rmdir("./689/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./698", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 308] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 308] fstat(3 [pid 306] umount2("./651", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] rmdir("./689" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./701/config" [pid 309] mkdir("./690", 0777 [pid 308] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./651", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 308] umount2("./698/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3 [pid 3730] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./701" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3731 [pid 308] newfstatat(AT_FDCWD, "./698/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] mkdir("./702", 0777 [pid 308] unlink("./698/binderfs" [pid 306] umount2("./651/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3731 attached [pid 3731] set_robust_list(0x55556c898760, 24) = 0 [pid 3731] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3731] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./651/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = 0 [pid 306] unlink("./651/binderfs" [pid 3731] chdir("./690") = 0 [pid 3731] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3731] setpgid(0, 0) = 0 [pid 3731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3731] write(3, "1000", 4) = 4 [pid 3731] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3732 [pid 308] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./698/config" [pid 306] <... umount2 resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./651/config" [pid 308] openat(AT_FDCWD, "./698/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3731] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] umount2("./651/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 3731] symlink("/dev/binderfs", "./binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./651/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 306] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 306] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rmdir("./698/config" [pid 306] getdents64(4 [pid 3731] <... symlink resumed>) = 0 [pid 3731] write(1, "executing program\n", 18) = 18 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 306] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 308] close(3 [pid 306] rmdir("./651/config" [pid 308] <... close resumed>) = 0 [pid 3731] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rmdir resumed>) = 0 executing program [pid 3730] setpgid(0, 0 [pid 308] rmdir("./698" [pid 306] getdents64(3 [pid 3731] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3730] <... setpgid resumed>) = 0 [pid 308] mkdir("./699", 0777 [pid 306] close(3 [pid 3731] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./651" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3731] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] mkdir("./652", 0777 [pid 3731] <... mkdirat resumed>) = 0 [pid 3731] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3731] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3731] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3733 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3731] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3733 attached ci2-android-6-1/strace-static-x86_64: Process 3732 attached [pid 3730] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3731] <... exit_group resumed>) = ? [pid 3731] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3732] set_robust_list(0x55556c898760, 24) = 0 [pid 3732] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3734 [pid 3730] write(3, "1000", 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3730] <... write resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3730] close(3 [pid 3732] chdir("./702") = 0 [pid 3732] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3732] setpgid(0, 0) = 0 [pid 3732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3730] <... close resumed>) = 0 [pid 3732] <... openat resumed>) = 3 [pid 3730] symlink("/dev/binderfs", "./binderfs" [pid 3732] write(3, "1000", 4) = 4 [pid 3732] close(3) = 0 [pid 3732] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3732] write(1, "executing program\n", 18) = 18 [pid 3730] <... symlink resumed>) = 0 executing program [pid 3732] mkdirat(AT_FDCWD, "./config", 0777 [pid 3730] write(1, "executing program\n", 18) = 18 [pid 3732] <... mkdirat resumed>) = 0 executing program [pid 3730] mkdirat(AT_FDCWD, "./config", 0777 [pid 3732] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3730] <... mkdirat resumed>) = 0 [pid 3732] <... mkdirat resumed>) = 0 [pid 3732] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3730] mount(NULL, "./config", "configfs", 0, NULL [pid 3733] set_robust_list(0x55556c898760, 24 [pid 3732] <... symlinkat resumed>) = 0 [pid 3733] <... set_robust_list resumed>) = 0 [pid 3733] rt_sigprocmask(SIG_SETMASK, [] [pid 3732] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3730] <... mount resumed>) = 0 [pid 3732] <... unlinkat resumed>) = 0 [pid 3733] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3733] chdir("./699" [pid 3730] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3732] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3730] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3733] <... chdir resumed>) = 0 [pid 3733] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3730] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3733] setpgid(0, 0) = 0 [pid 3733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3732] exit_group(0) = ? [pid 3733] <... openat resumed>) = 3 [pid 3730] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3732] +++ exited with 0 +++ [pid 3730] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3733] write(3, "1000", 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3733] <... write resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3733] close(3) = 0 [pid 3730] <... mkdirat resumed>) = 0 [pid 3733] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3730] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3733] write(1, "executing program\n", 18) = 18 executing program [pid 3733] mkdirat(AT_FDCWD, "./config", 0777 [pid 3730] <... symlinkat resumed>) = 0 [pid 3733] <... mkdirat resumed>) = 0 [pid 3730] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3733] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3730] <... unlinkat resumed>) = 0 [pid 3733] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3730] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3733] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3733] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3733] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 3730] <... unlinkat resumed>) = 0 [pid 3733] exit_group(0 [pid 3730] exit_group(0) = ? [pid 3733] <... exit_group resumed>) = ? [pid 3733] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 3734 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3730] +++ exited with 0 +++ [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3734] set_robust_list(0x55556c898760, 24 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3734] <... set_robust_list resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3734] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3734] chdir("./652") = 0 [pid 3734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3734] setpgid(0, 0) = 0 [pid 3734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3734] write(3, "1000", 4) = 4 [pid 3734] close(3) = 0 [pid 3734] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3734] write(1, "executing program\n", 18) = 18 executing program [pid 3734] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 309] umount2("./690", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./690", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./690/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./690/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./690/binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 310] umount2("./702", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./690/config" [pid 308] umount2("./699", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./702", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./675", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./690/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./699", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./675", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 308] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 309] getdents64(4 [pid 307] fstat(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./702/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 308] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 309] close(4) = 0 [pid 309] rmdir("./690/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./702/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 3734] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./699/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./675/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3734] mount(NULL, "./config", "configfs", 0, NULL [pid 310] unlink("./702/binderfs" [pid 309] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3734] <... mount resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./690" [pid 308] newfstatat(AT_FDCWD, "./699/binderfs" [pid 307] newfstatat(AT_FDCWD, "./675/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./691", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 308] unlink("./699/binderfs" [pid 307] unlink("./675/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3734] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3735 attached [pid 3734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./702/config" [pid 308] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 3734] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3735 [pid 3734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3734] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3735] set_robust_list(0x55556c898760, 24 [pid 3734] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./702/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = 0 [pid 3735] <... set_robust_list resumed>) = 0 [pid 3734] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 308] newfstatat(AT_FDCWD, "./699/config" [pid 3735] rt_sigprocmask(SIG_SETMASK, [] [pid 3734] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 308] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./675/config" [pid 3735] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3734] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 3735] chdir("./691" [pid 3734] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./699/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 308] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 308] fstat(4 [pid 307] openat(AT_FDCWD, "./675/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3735] <... chdir resumed>) = 0 [pid 3734] <... unlinkat resumed>) = 0 [pid 310] rmdir("./702/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3734] exit_group(0 [pid 307] <... openat resumed>) = 4 [pid 308] getdents64(4 [pid 3735] <... prctl resumed>) = 0 [pid 3734] <... exit_group resumed>) = ? [pid 3735] setpgid(0, 0 [pid 3734] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 310] getdents64(3 [pid 308] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 308] close(4 [pid 307] getdents64(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3735] <... setpgid resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] rmdir("./702" [pid 308] rmdir("./699/config" [pid 307] getdents64(4 [pid 3735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 3735] write(3, "1000", 4) = 4 [pid 3735] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] mkdir("./703", 0777 [pid 308] getdents64(3 [pid 307] close(4 [pid 3735] <... close resumed>) = 0 [pid 3735] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3735] write(1, "executing program\n", 18 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./675/config" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] close(3 [pid 3735] <... write resumed>) = 18 executing program [pid 3735] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3735] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] rmdir("./699" [pid 307] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3736 [pid 3735] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./700", 0777 [pid 3735] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 3735] <... unlinkat resumed>) = 0 [pid 3735] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./675" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3735] exit_group(0) = ? [pid 3735] +++ exited with 0 +++ [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./652", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3736 attached [pid 3736] set_robust_list(0x55556c898760, 24) = 0 [pid 3736] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3736] chdir("./703" [pid 307] mkdir("./676", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3737 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3736] <... chdir resumed>) = 0 [pid 3736] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3736] setpgid(0, 0) = 0 [pid 3736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./652", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3 [pid 3736] <... openat resumed>) = 3 [pid 3736] write(3, "1000", 4) = 4 [pid 3736] close(3) = 0 [pid 3736] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3738 [pid 3736] write(1, "executing program\n", 18 [pid 306] getdents64(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3736] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./652/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3736] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program ci2-android-6-1/strace-static-x86_64: Process 3738 attached [pid 3736] <... mkdirat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./652/binderfs" [pid 3736] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3736] <... mount resumed>) = 0 [pid 306] unlink("./652/binderfs" [pid 3736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... unlink resumed>) = 0 [pid 3736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3736] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3736] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3736] <... symlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3736] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] newfstatat(AT_FDCWD, "./652/config" [pid 3736] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3736] <... unlinkat resumed>) = 0 [pid 306] umount2("./652/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3736] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3736] <... exit_group resumed>) = ? [pid 306] openat(AT_FDCWD, "./652/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] umount2("./691", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./691", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 306] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./691/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./691/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./691/binderfs" [pid 306] close(4 [pid 3738] set_robust_list(0x55556c898760, 24 [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 309] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./652/config" [pid 309] newfstatat(AT_FDCWD, "./691/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./691/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3738] <... set_robust_list resumed>) = 0 [pid 3736] +++ exited with 0 +++ [pid 309] <... openat resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 306] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3736, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(4 [pid 306] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 306] rmdir("./652" [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./691/config") = 0 [pid 309] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 306] mkdir("./653", 0777 [pid 309] rmdir("./691") = 0 [pid 309] mkdir("./692", 0777) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3738] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 3737 attached [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3737] set_robust_list(0x55556c898760, 24 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3737] <... set_robust_list resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3737] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3739 [pid 3737] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3737] chdir("./700" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3737] <... chdir resumed>) = 0 [pid 3737] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3737] setpgid(0, 0) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3740 [pid 3737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3737] <... openat resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3738] chdir("./676"ci2-android-6-1/strace-static-x86_64: Process 3740 attached ci2-android-6-1/strace-static-x86_64: Process 3739 attached [pid 3737] write(3, "1000", 4) = 4 [pid 310] umount2("./703", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3737] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3737] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./703", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3737] symlink("/dev/binderfs", "./binderfs" [pid 310] <... openat resumed>) = 3 [pid 3738] <... chdir resumed>) = 0 [pid 3737] <... symlink resumed>) = 0 [pid 310] fstat(3 [pid 3737] write(1, "executing program\n", 18) = 18 executing program [pid 3737] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3737] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 3737] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3738] <... prctl resumed>) = 0 [pid 310] umount2("./703/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3738] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3738] <... setpgid resumed>) = 0 [pid 3737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./703/binderfs" [pid 3737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3737] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3737] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] unlink("./703/binderfs" [pid 3737] <... symlinkat resumed>) = 0 [pid 3737] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... unlink resumed>) = 0 [pid 3737] <... unlinkat resumed>) = 0 [pid 3738] <... openat resumed>) = 3 [pid 310] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3737] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3738] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = 0 [pid 3738] <... write resumed>) = 4 [pid 3737] <... unlinkat resumed>) = 0 [pid 310] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3738] close(3 [pid 3737] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3737] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./703/config" [pid 3738] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3738] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3738] <... symlink resumed>) = 0 [pid 3737] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./703/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3738] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3737, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3738] <... write resumed>) = 18 [pid 310] <... openat resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 310] fstat(4 [pid 3739] set_robust_list(0x55556c898760, 24 [pid 3738] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3739] <... set_robust_list resumed>) = 0 [pid 310] getdents64(4 [pid 3739] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 3739] chdir("./692" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3739] <... chdir resumed>) = 0 [pid 310] close(4 [pid 3739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... close resumed>) = 0 [pid 3739] <... prctl resumed>) = 0 [pid 310] rmdir("./703/config" [pid 3738] <... mkdirat resumed>) = 0 [pid 3740] set_robust_list(0x55556c898760, 24 [pid 3739] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3739] <... setpgid resumed>) = 0 [pid 3738] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3 [pid 3739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3739] <... openat resumed>) = 3 [pid 3738] <... mount resumed>) = 0 [pid 310] close(3 [pid 3739] write(3, "1000", 4 [pid 3738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 308] umount2("./700", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3739] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./703" [pid 3738] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./700", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3739] close(3) = 0 [pid 3739] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 310] mkdir("./704", 0777 [pid 3738] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(3 [pid 3739] write(1, "executing program\n", 18) = 18 executing program [pid 3739] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3739] mount(NULL, "./config", "configfs", 0, NULL [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3739] <... mount resumed>) = 0 [pid 3739] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3739] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3739] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3740] <... set_robust_list resumed>) = 0 [pid 3740] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./700/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3738] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3741 [pid 3738] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3741 attached [pid 3740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3739] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] newfstatat(AT_FDCWD, "./700/binderfs" [pid 3739] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3739] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3738] <... symlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3740] chdir("./653" [pid 3739] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3738] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3740] <... chdir resumed>) = 0 [pid 3739] <... unlinkat resumed>) = 0 [pid 308] unlink("./700/binderfs" [pid 3738] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3739] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3740] <... prctl resumed>) = 0 [pid 3739] <... unlinkat resumed>) = 0 [pid 3740] setpgid(0, 0 [pid 3739] exit_group(0 [pid 308] <... unlink resumed>) = 0 [pid 3738] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3740] <... setpgid resumed>) = 0 [pid 3739] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = 0 [pid 3741] set_robust_list(0x55556c898760, 24 [pid 3740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3738] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3741] <... set_robust_list resumed>) = 0 [pid 3740] <... openat resumed>) = 3 [pid 3739] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3740] write(3, "1000", 4 [pid 3738] exit_group(0 [pid 308] newfstatat(AT_FDCWD, "./700/config" [pid 3740] <... write resumed>) = 4 [pid 3738] <... exit_group resumed>) = ? [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3741] rt_sigprocmask(SIG_SETMASK, [] [pid 3740] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3740] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3740] symlink("/dev/binderfs", "./binderfs" [pid 308] openat(AT_FDCWD, "./700/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3741] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3740] <... symlink resumed>) = 0 [pid 3738] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 4 [pid 3740] write(1, "executing program\n", 18 [pid 308] fstat(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3741] chdir("./704" [pid 3740] <... write resumed>) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 3741] <... chdir resumed>) = 0 [pid 3740] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 3740] <... mkdirat resumed>) = 0 [pid 3741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... close resumed>) = 0 [pid 3741] <... prctl resumed>) = 0 [pid 3740] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rmdir("./700/config" [pid 3741] setpgid(0, 0 [pid 3740] <... mount resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3741] <... setpgid resumed>) = 0 [pid 3740] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] getdents64(3 [pid 3740] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 3741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3740] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... close resumed>) = 0 [pid 3740] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rmdir("./700" [pid 3741] <... openat resumed>) = 3 [pid 3740] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./701", 0777 [pid 3741] write(3, "1000", 4 [pid 3740] <... mkdirat resumed>) = 0 [pid 3741] <... write resumed>) = 4 [pid 3740] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3741] close(3 [pid 3740] <... symlinkat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 3741] <... close resumed>) = 0 [pid 3740] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3741] symlink("/dev/binderfs", "./binderfs" [pid 3740] <... unlinkat resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3741] <... symlink resumed>) = 0 executing program [pid 3740] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-6-1/strace-static-x86_64: Process 3742 attached [pid 3741] write(1, "executing program\n", 18 [pid 3740] <... unlinkat resumed>) = 0 [pid 3742] set_robust_list(0x55556c898760, 24 [pid 3740] exit_group(0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3742 [pid 3742] <... set_robust_list resumed>) = 0 [pid 3741] <... write resumed>) = 18 [pid 3740] <... exit_group resumed>) = ? [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3742] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3742] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3742] chdir("./701") = 0 [pid 3742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3740] +++ exited with 0 +++ [pid 3742] <... prctl resumed>) = 0 [pid 3741] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3742] setpgid(0, 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3742] <... setpgid resumed>) = 0 [pid 3742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3742] write(3, "1000", 4 [pid 3741] <... mkdirat resumed>) = 0 [pid 3742] <... write resumed>) = 4 [pid 3742] close(3) = 0 [pid 3742] symlink("/dev/binderfs", "./binderfs" [pid 3741] mount(NULL, "./config", "configfs", 0, NULL [pid 3742] <... symlink resumed>) = 0 [pid 3741] <... mount resumed>) = 0 [pid 3741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3742] write(1, "executing program\n", 18 [pid 3741] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3742] <... write resumed>) = 18 executing program [pid 3741] <... symlinkat resumed>) = 0 [pid 3741] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3742] mkdirat(AT_FDCWD, "./config", 0777 [pid 3741] <... unlinkat resumed>) = 0 [pid 3741] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3742] <... mkdirat resumed>) = 0 [pid 3741] exit_group(0) = ? [pid 3742] mount(NULL, "./config", "configfs", 0, NULL [pid 3741] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3742] <... mount resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 3742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 3742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./704", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./692", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./692", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] openat(AT_FDCWD, "./704", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 3742] <... mkdirat resumed>) = 0 [pid 310] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3742] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 3742] <... symlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3742] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./692/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./676", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./653", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3742] <... unlinkat resumed>) = 0 [pid 310] umount2("./704/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3742] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./692/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3742] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./704/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3742] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./692/binderfs" [pid 307] openat(AT_FDCWD, "./676", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./653", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3742] <... exit_group resumed>) = ? [pid 310] unlink("./704/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 310] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 306] fstat(3 [pid 310] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3742] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./692/config" [pid 307] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./704/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 309] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./692/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./676/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./653/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./704/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./676/binderfs" [pid 306] newfstatat(AT_FDCWD, "./653/binderfs" [pid 310] fstat(4 [pid 309] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 307] unlink("./676/binderfs" [pid 306] unlink("./653/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./701", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 307] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./692/config" [pid 306] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 306] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./701", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] close(3 [pid 306] <... umount2 resumed>) = 0 [pid 310] rmdir("./704/config" [pid 309] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./692" [pid 306] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] mkdir("./693", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./676/config" [pid 306] newfstatat(AT_FDCWD, "./653/config" [pid 310] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./653/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./704" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./701/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3743 attached [pid 310] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./705", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3743 [pid 308] newfstatat(AT_FDCWD, "./701/binderfs" [pid 307] openat(AT_FDCWD, "./676/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./653/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3743] set_robust_list(0x55556c898760, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3743] <... set_robust_list resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] <... openat resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] unlink("./701/binderfs" [pid 307] fstat(4 [pid 306] fstat(4 [pid 3743] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 3743] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3743] chdir("./693") = 0 [pid 3743] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3743] setpgid(0, 0) = 0 [pid 3743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3744 [pid 308] <... umount2 resumed>) = 0 [pid 307] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./701/config" [pid 307] <... close resumed>) = 0 [pid 306] close(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./676/config" [pid 308] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 3743] write(3, "1000", 4) = 4 [pid 3743] close(3) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./653/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 3743] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] openat(AT_FDCWD, "./701/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] close(3 [pid 308] fstat(4 [pid 306] getdents64(3 [pid 3743] write(1, "executing program\n", 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3743] <... write resumed>) = 18 executing program [pid 3743] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] getdents64(4 [pid 306] close(3 [pid 307] rmdir("./676" [pid 3743] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 307] mkdir("./677", 0777 [pid 306] rmdir("./653" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3743] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 3743] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] close(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./654", 0777 [pid 308] rmdir("./701/config" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3744 attached [pid 3743] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3744] set_robust_list(0x55556c898760, 24 [pid 3743] <... symlinkat resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3744] <... set_robust_list resumed>) = 0 [pid 3743] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3744] rt_sigprocmask(SIG_SETMASK, [] [pid 3743] <... unlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3743] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3744] chdir("./705" [pid 3743] <... unlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3745 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3744] <... chdir resumed>) = 0 [pid 3743] exit_group(0 [pid 308] <... close resumed>) = 0 [pid 3744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3743] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 3746 attached [pid 3744] <... prctl resumed>) = 0 [pid 3743] +++ exited with 0 +++ [pid 308] rmdir("./701" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3744] setpgid(0, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3744] <... setpgid resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3746 [pid 308] mkdir("./702", 0777 [pid 3744] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3744] write(3, "1000", 4) = 4 [pid 3744] close(3) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3744] symlink("/dev/binderfs", "./binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3744] <... symlink resumed>) = 0 [pid 3744] write(1, "executing program\n", 18) = 18 [pid 3744] mkdirat(AT_FDCWD, "./config", 0777 [pid 3746] set_robust_list(0x55556c898760, 24 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3747 executing program [pid 3746] <... set_robust_list resumed>) = 0 [pid 3744] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3744] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3744] <... mount resumed>) = 0 [pid 3744] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3744] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3744] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3744] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3744] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3744] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3744] exit_group(0) = ? [pid 3746] rt_sigprocmask(SIG_SETMASK, [] [pid 3744] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 3745 attached [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3745] set_robust_list(0x55556c898760, 24 [pid 309] umount2("./693", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3745] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3745] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./693", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3745] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3745] chdir("./677" [pid 309] <... openat resumed>) = 3 [pid 3745] <... chdir resumed>) = 0 [pid 309] fstat(3 [pid 3745] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3745] setpgid(0, 0 [pid 309] getdents64(3 [pid 3745] <... setpgid resumed>) = 0 [pid 3745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3745] <... openat resumed>) = 3 [pid 309] umount2("./693/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3745] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3745] <... write resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./693/binderfs" [pid 3745] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3745] <... close resumed>) = 0 [pid 309] unlink("./693/binderfs" [pid 3745] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 3745] write(1, "executing program\n", 18 [pid 3746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3745] <... write resumed>) = 18 [pid 3745] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 3746] chdir("./654" [pid 310] umount2("./705", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3746] <... chdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./705", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3745] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./693/config" [pid 3746] <... prctl resumed>) = 0 [pid 310] fstat(3 [pid 3746] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3746] <... setpgid resumed>) = 0 [pid 309] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3745] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] openat(AT_FDCWD, "./693/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./705/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3745] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./705/binderfs" [pid 309] fstat(4 [pid 3746] <... openat resumed>) = 3 [pid 3745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3746] write(3, "1000", 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3746] <... write resumed>) = 4 [pid 310] unlink("./705/binderfs" [pid 309] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3747 attached [pid 3745] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 3747] set_robust_list(0x55556c898760, 24 [pid 3746] close(3 [pid 3745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3747] <... set_robust_list resumed>) = 0 [pid 3745] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = 0 [pid 3746] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 310] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3747] rt_sigprocmask(SIG_SETMASK, [] [pid 3745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3746] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 310] newfstatat(AT_FDCWD, "./705/config" [pid 309] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./693/config" [pid 310] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3747] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3745] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3747] chdir("./702" [pid 3745] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 3746] <... symlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./705/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3747] <... chdir resumed>) = 0 [pid 3746] write(1, "executing program\n", 18 [pid 3745] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] close(3 [pid 310] fstat(4 [pid 3747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3746] <... write resumed>) = 18 executing program [pid 3745] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 3747] <... prctl resumed>) = 0 [pid 3745] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 309] rmdir("./693" [pid 3746] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3747] setpgid(0, 0 [pid 3745] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3747] <... setpgid resumed>) = 0 [pid 3745] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./694", 0777 [pid 310] close(4 [pid 3747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3745] exit_group(0 [pid 3747] <... openat resumed>) = 3 [pid 3745] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 310] rmdir("./705/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3747] write(3, "1000", 4 [pid 3746] <... mkdirat resumed>) = 0 [pid 3745] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3746] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3747] <... write resumed>) = 4 [pid 3747] close(3) = 0 [pid 3747] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3747] write(1, "executing program\n", 18) = 18 [pid 3747] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] close(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3748 [pid 3746] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] umount2("./677", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3747] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 3746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rmdir("./705" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3747] <... mount resumed>) = 0 [pid 3747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./677", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./706", 0777 [pid 307] <... openat resumed>) = 3 [pid 3747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3747] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... mkdir resumed>) = 0 [pid 3747] <... symlinkat resumed>) = 0 [pid 3746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] fstat(3 [pid 3747] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3747] <... unlinkat resumed>) = 0 [pid 3746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3747] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] getdents64(3 [pid 3747] <... unlinkat resumed>) = 0 [pid 3746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3747] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3747] <... exit_group resumed>) = ? [pid 3747] +++ exited with 0 +++ [pid 307] umount2("./677/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3749 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3746] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] newfstatat(AT_FDCWD, "./677/binderfs" [pid 3746] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./677/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3748 attached [pid 3748] set_robust_list(0x55556c898760, 24 [pid 307] <... unlink resumed>) = 0 [pid 3748] <... set_robust_list resumed>) = 0 [pid 307] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3746] <... symlinkat resumed>) = 0 [pid 3748] rt_sigprocmask(SIG_SETMASK, [] [pid 3746] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = 0 [pid 3748] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3746] <... unlinkat resumed>) = 0 [pid 3748] chdir("./694" [pid 3746] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3748] <... chdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./677/config" [pid 3748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3748] <... prctl resumed>) = 0 [pid 3748] setpgid(0, 0) = 0 [pid 307] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3746] <... unlinkat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./677/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3748] <... openat resumed>) = 3 [pid 3746] exit_group(0 [pid 307] <... openat resumed>) = 4 [pid 3748] write(3, "1000", 4 [pid 307] fstat(4 [pid 3746] <... exit_group resumed>) = ? [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3748] <... write resumed>) = 4 [pid 307] getdents64(4 [pid 3748] close(3) = 0 [pid 3748] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3748] write(1, "executing program\n", 18 [pid 307] getdents64(4 [pid 3748] <... write resumed>) = 18 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3748] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 307] close(4ci2-android-6-1/strace-static-x86_64: Process 3749 attached [pid 3748] <... mkdirat resumed>) = 0 [pid 3746] +++ exited with 0 +++ [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./677/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3748] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 3748] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] close(3 [pid 3748] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... close resumed>) = 0 [pid 3748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rmdir("./677" [pid 3748] <... mkdirat resumed>) = 0 [pid 3748] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... rmdir resumed>) = 0 [pid 3748] <... symlinkat resumed>) = 0 [pid 307] mkdir("./678", 0777 [pid 3748] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3748] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3748] exit_group(0 [pid 307] <... mkdir resumed>) = 0 [pid 3748] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3749] set_robust_list(0x55556c898760, 24 [pid 3748] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3749] <... set_robust_list resumed>) = 0 [pid 3749] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3749] chdir("./706") = 0 [pid 3749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3750 [pid 3749] <... prctl resumed>) = 0 [pid 3749] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3749] <... setpgid resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 3750 attached ) = 3 [pid 3749] write(3, "1000", 4) = 4 [pid 3749] close(3) = 0 [pid 3749] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3749] write(1, "executing program\n", 18 executing program [pid 3750] set_robust_list(0x55556c898760, 24 [pid 3749] <... write resumed>) = 18 [pid 3749] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3750] <... set_robust_list resumed>) = 0 [pid 3749] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3750] rt_sigprocmask(SIG_SETMASK, [] [pid 3749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3750] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3749] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3750] chdir("./678" [pid 3749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3750] <... chdir resumed>) = 0 [pid 3749] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3750] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3750] <... prctl resumed>) = 0 [pid 3749] <... mkdirat resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3750] setpgid(0, 0 [pid 3749] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3750] <... setpgid resumed>) = 0 [pid 3749] <... symlinkat resumed>) = 0 [pid 3750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3749] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3750] <... openat resumed>) = 3 [pid 3749] <... unlinkat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 3750] write(3, "1000", 4 [pid 3749] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3750] <... write resumed>) = 4 [pid 3749] <... unlinkat resumed>) = 0 [pid 306] umount2("./654", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3750] close(3 [pid 3749] exit_group(0 [pid 3750] <... close resumed>) = 0 [pid 3749] <... exit_group resumed>) = ? [pid 3750] symlink("/dev/binderfs", "./binderfs" [pid 3749] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./694", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] openat(AT_FDCWD, "./654", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3750] <... symlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./694", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./702", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 3750] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3750] <... write resumed>) = 18 [pid 309] fstat(3 [pid 306] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./702", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 3 executing program [pid 306] getdents64(3 [pid 3750] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./694/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./654/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./706", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./694/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./654/binderfs" [pid 310] openat(AT_FDCWD, "./706", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./702/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] unlink("./694/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./702/binderfs" [pid 306] unlink("./654/binderfs" [pid 310] getdents64(3 [pid 309] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./702/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... unlink resumed>) = 0 [pid 306] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./706/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 3750] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 306] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./706/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3750] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./694/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./706/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3750] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./702/config" [pid 306] newfstatat(AT_FDCWD, "./654/config" [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] openat(AT_FDCWD, "./694/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./654/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./702/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./706/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./654/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 308] fstat(4 [pid 310] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 306] fstat(4 [pid 3750] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./706/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 310] fstat(4 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./694/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3750] <... symlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 308] close(4 [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 308] rmdir("./702/config" [pid 306] close(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3750] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 3750] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 306] rmdir("./654/config" [pid 3750] exit_group(0 [pid 310] close(4 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 3750] <... exit_group resumed>) = ? [pid 3750] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 309] rmdir("./694" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] rmdir("./706/config" [pid 308] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 309] mkdir("./695", 0777 [pid 308] rmdir("./702" [pid 306] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] mkdir("./703", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3750, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./678", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(3 [pid 310] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c898750) = 3751 [pid 307] openat(AT_FDCWD, "./678", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./706" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3752 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 3751 attached [pid 3751] set_robust_list(0x55556c898760, 24 [pid 310] <... rmdir resumed>) = 0 [pid 307] fstat(3 [pid 306] rmdir("./654" [pid 310] mkdir("./707", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3751] <... set_robust_list resumed>) = 0 [pid 3751] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 3751] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3751] chdir("./703") = 0 [pid 3751] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 3751] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] mkdir("./655", 0777 [pid 307] umount2("./678/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3751] <... setpgid resumed>) = 0 [pid 3751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] newfstatat(AT_FDCWD, "./678/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3751] <... openat resumed>) = 3 [pid 3751] write(3, "1000", 4) = 4 [pid 3751] close(3) = 0 [pid 3751] symlink("/dev/binderfs", "./binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3753 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] unlink("./678/binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... unlink resumed>) = 0 [pid 3751] <... symlink resumed>) = 0 [pid 3751] write(1, "executing program\n", 18) = 18 [pid 3751] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3754 [pid 307] <... umount2 resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] newfstatat(AT_FDCWD, "./678/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3751] <... mkdirat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./678/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3751] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3751] <... mount resumed>) = 0 [pid 3751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] getdents64(4 [pid 3751] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 3751] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... close resumed>) = 0 [pid 3751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rmdir("./678/config" [pid 3751] <... mkdirat resumed>) = 0 [pid 3751] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 3751] <... symlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 3751] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] rmdir("./678" [pid 3751] <... unlinkat resumed>) = 0 [pid 3751] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./679", 0777 [pid 3751] <... unlinkat resumed>) = 0 [pid 3751] exit_group(0) = ? [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3751] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3755 ci2-android-6-1/strace-static-x86_64: Process 3753 attached [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3753] set_robust_list(0x55556c898760, 24) = 0 [pid 3753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3753] chdir("./707") = 0 [pid 3753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3753] setpgid(0, 0) = 0 [pid 3753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 3752 attached ) = 3 [pid 3753] write(3, "1000", 4) = 4 [pid 3753] close(3) = 0 [pid 3753] symlink("/dev/binderfs", "./binderfs" [pid 3752] set_robust_list(0x55556c898760, 24ci2-android-6-1/strace-static-x86_64: Process 3754 attached [pid 3753] <... symlink resumed>) = 0 [pid 3753] write(1, "executing program\n", 18) = 18 executing program [pid 3753] mkdirat(AT_FDCWD, "./config", 0777 [pid 3752] <... set_robust_list resumed>) = 0 [pid 3754] set_robust_list(0x55556c898760, 24 [pid 3753] <... mkdirat resumed>) = 0 [pid 3753] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3754] <... set_robust_list resumed>) = 0 [pid 3752] rt_sigprocmask(SIG_SETMASK, [] [pid 3753] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3753] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3754] rt_sigprocmask(SIG_SETMASK, [] [pid 3752] chdir("./695" [pid 3754] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3753] <... symlinkat resumed>) = 0 [pid 3753] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3753] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3753] exit_group(0) = ? [pid 3752] <... chdir resumed>) = 0 [pid 3754] chdir("./655" [pid 3752] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3754] <... chdir resumed>) = 0 [pid 3752] setpgid(0, 0ci2-android-6-1/strace-static-x86_64: Process 3755 attached [pid 3753] +++ exited with 0 +++ [pid 3752] <... setpgid resumed>) = 0 [pid 3755] set_robust_list(0x55556c898760, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3753, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3755] <... set_robust_list resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... restart_syscall resumed>) = 0 [pid 308] umount2("./703", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3754] <... prctl resumed>) = 0 [pid 3752] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./703", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 3754] setpgid(0, 0 [pid 3752] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./703/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./703/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./703/binderfs") = 0 [pid 308] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 308] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3752] <... write resumed>) = 4 [pid 3754] <... setpgid resumed>) = 0 [pid 3752] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./703/config" [pid 3755] rt_sigprocmask(SIG_SETMASK, [] [pid 3754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3752] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3755] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3752] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3754] <... openat resumed>) = 3 [pid 3752] <... symlink resumed>) = 0 [pid 3755] chdir("./679" [pid 308] openat(AT_FDCWD, "./703/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3754] write(3, "1000", 4 [pid 3755] <... chdir resumed>) = 0 [pid 3754] <... write resumed>) = 4 [pid 3752] write(1, "executing program\n", 18 [pid 308] <... openat resumed>) = 4 [pid 3755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3754] close(3 [pid 3752] <... write resumed>) = 18 [pid 308] fstat(4 [pid 3755] <... prctl resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3754] <... close resumed>) = 0 [pid 3755] setpgid(0, 0 [pid 308] getdents64(4 [pid 3754] symlink("/dev/binderfs", "./binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3755] <... setpgid resumed>) = 0 [pid 308] getdents64(4 [pid 3755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3752] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./707", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./707", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./703/config" [pid 3755] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 3755] write(3, "1000", 4) = 4 [pid 3755] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 308] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 308] close(3 [pid 3755] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3754] <... symlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] umount2("./707/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3754] write(1, "executing program\n", 18 [pid 308] rmdir("./703" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3755] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3754] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./707/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] mkdir("./704", 0777 [pid 310] unlink("./707/binderfs" [pid 3755] write(1, "executing program\n", 18) = 18 executing program [pid 3755] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3754] mkdirat(AT_FDCWD, "./config", 0777 [pid 3752] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3755] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 3755] <... mount resumed>) = 0 [pid 3752] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3755] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] newfstatat(AT_FDCWD, "./707/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3756 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3755] <... symlinkat resumed>) = 0 [pid 3752] <... mount resumed>) = 0 [pid 310] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program executing program [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3754] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3756 attached [pid 3755] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] openat(AT_FDCWD, "./707/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3754] mount(NULL, "./config", "configfs", 0, NULL [pid 3756] set_robust_list(0x55556c898760, 24 [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3752] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 3752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3755] <... unlinkat resumed>) = 0 [pid 3752] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3756] <... set_robust_list resumed>) = 0 [pid 3754] <... mount resumed>) = 0 [pid 3752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 3755] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3754] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3752] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 3756] rt_sigprocmask(SIG_SETMASK, [] [pid 3754] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3752] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3756] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3754] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 3755] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3752] <... symlinkat resumed>) = 0 [pid 310] rmdir("./707/config" [pid 3754] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3755] exit_group(0) = ? [pid 3756] chdir("./704" [pid 3755] +++ exited with 0 +++ [pid 3754] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3752] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 3756] <... chdir resumed>) = 0 [pid 3754] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 3756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3754] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3752] <... unlinkat resumed>) = 0 [pid 3756] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3755, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3752] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(3 [pid 3754] <... symlinkat resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 3756] setpgid(0, 0 [pid 3754] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3752] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 310] rmdir("./707" [pid 3756] <... setpgid resumed>) = 0 [pid 3754] <... unlinkat resumed>) = 0 [pid 3752] exit_group(0) = ? [pid 3756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3754] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3752] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./708", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3756] <... openat resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3754] <... unlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3756] write(3, "1000", 4) = 4 [pid 3756] close(3) = 0 [pid 3756] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3754] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 3757 attached ) = ? [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3757 [pid 3756] write(1, "executing program\n", 18) = 18 executing program [pid 3756] mkdirat(AT_FDCWD, "./config", 0777 [pid 3757] set_robust_list(0x55556c898760, 24 [pid 3756] <... mkdirat resumed>) = 0 [pid 3754] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3757] <... set_robust_list resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3756] mount(NULL, "./config", "configfs", 0, NULL [pid 3757] chdir("./708" [pid 3756] <... mount resumed>) = 0 [pid 3757] <... chdir resumed>) = 0 [pid 3757] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3757] setpgid(0, 0) = 0 [pid 3756] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3757] <... openat resumed>) = 3 [pid 3756] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3757] write(3, "1000", 4) = 4 [pid 3756] <... mkdirat resumed>) = 0 [pid 3757] close(3 [pid 3756] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3757] <... close resumed>) = 0 [pid 3756] <... symlinkat resumed>) = 0 [pid 3757] symlink("/dev/binderfs", "./binderfs" [pid 3756] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3756] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3757] <... symlink resumed>) = 0 [pid 3756] <... unlinkat resumed>) = 0 executing program [pid 3757] write(1, "executing program\n", 18) = 18 [pid 3756] exit_group(0 [pid 3757] mkdirat(AT_FDCWD, "./config", 0777 [pid 3756] <... exit_group resumed>) = ? [pid 3757] <... mkdirat resumed>) = 0 [pid 3756] +++ exited with 0 +++ [pid 3757] mount(NULL, "./config", "configfs", 0, NULL [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3756, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3757] <... mount resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3757] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3757] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3757] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3757] exit_group(0) = ? [pid 3757] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./695", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./704", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./679", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./655", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./695", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 308] openat(AT_FDCWD, "./704", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./679", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./655", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 3 [pid 309] umount2("./695/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 307] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./695/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] unlink("./695/binderfs" [pid 307] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 309] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./704/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./679/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./655/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./695/config" [pid 308] newfstatat(AT_FDCWD, "./704/binderfs" [pid 307] newfstatat(AT_FDCWD, "./679/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./655/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./704/binderfs" [pid 307] unlink("./679/binderfs" [pid 309] openat(AT_FDCWD, "./695/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./655/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 306] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./695/config" [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./704/config" [pid 307] newfstatat(AT_FDCWD, "./679/config" [pid 306] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./708", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./708", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 307] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./655/config" [pid 308] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] rmdir("./695" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./679/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./655/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 308] openat(AT_FDCWD, "./704/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] mkdir("./696", 0777 [pid 306] openat(AT_FDCWD, "./655/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./708/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 308] fstat(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./708/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 310] unlink("./708/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 310] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./655/config") = 0 [pid 306] getdents64(3 [pid 307] close(4 [pid 308] close(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3758 [pid 308] <... close resumed>) = 0 [pid 307] rmdir("./679/config" [pid 306] close(3 [pid 310] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./704/config" [pid 306] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./655" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./708/config" [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./656", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 306] <... mkdir resumed>) = 0 [pid 310] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] rmdir("./679" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] openat(AT_FDCWD, "./708/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./704" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... openat resumed>) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3759 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 310] fstat(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] mkdir("./705", 0777 [pid 307] mkdir("./680", 0777 [pid 310] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3758 attached [pid 3758] set_robust_list(0x55556c898760, 24) = 0 [pid 3758] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3758] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3758] chdir("./696") = 0 [pid 3758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] close(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... close resumed>) = 0 [pid 3758] <... prctl resumed>) = 0 [pid 3758] setpgid(0, 0) = 0 [pid 3758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rmdir("./708/config" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3760 attached ci2-android-6-1/strace-static-x86_64: Process 3759 attached [pid 310] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3760 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3761 [pid 3760] set_robust_list(0x55556c898760, 24 [pid 3759] set_robust_list(0x55556c898760, 24 [pid 3758] <... openat resumed>) = 3 [pid 310] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 3761 attached [pid 3758] write(3, "1000", 4 [pid 310] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3758] <... write resumed>) = 4 [pid 310] rmdir("./708" [pid 3761] set_robust_list(0x55556c898760, 24 [pid 3760] <... set_robust_list resumed>) = 0 [pid 3759] <... set_robust_list resumed>) = 0 [pid 3758] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3758] <... close resumed>) = 0 [pid 310] mkdir("./709", 0777 [pid 3759] rt_sigprocmask(SIG_SETMASK, [] [pid 3758] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 3761] <... set_robust_list resumed>) = 0 [pid 3760] rt_sigprocmask(SIG_SETMASK, [] [pid 3759] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3758] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3758] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3758] <... write resumed>) = 18 executing program [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3762 attached [pid 3761] rt_sigprocmask(SIG_SETMASK, [] [pid 3760] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3759] chdir("./656" [pid 3758] mkdirat(AT_FDCWD, "./config", 0777 [pid 3762] set_robust_list(0x55556c898760, 24 [pid 3761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3760] chdir("./705" [pid 3759] <... chdir resumed>) = 0 [pid 3758] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3762 [pid 3758] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3760] <... chdir resumed>) = 0 [pid 3759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3758] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3759] <... prctl resumed>) = 0 [pid 3758] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3762] <... set_robust_list resumed>) = 0 [pid 3761] chdir("./680" [pid 3760] <... prctl resumed>) = 0 [pid 3759] setpgid(0, 0 [pid 3758] <... mkdirat resumed>) = 0 [pid 3758] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3758] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3760] setpgid(0, 0 [pid 3759] <... setpgid resumed>) = 0 [pid 3758] <... unlinkat resumed>) = 0 [pid 3761] <... chdir resumed>) = 0 [pid 3758] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3760] <... setpgid resumed>) = 0 [pid 3759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3758] <... unlinkat resumed>) = 0 [pid 3761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3758] exit_group(0) = ? [pid 3762] rt_sigprocmask(SIG_SETMASK, [] [pid 3761] <... prctl resumed>) = 0 [pid 3760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3759] <... openat resumed>) = 3 [pid 3758] +++ exited with 0 +++ [pid 3762] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3762] chdir("./709") = 0 [pid 3762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3762] setpgid(0, 0 [pid 3760] <... openat resumed>) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3758, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3759] write(3, "1000", 4 [pid 3760] write(3, "1000", 4 [pid 3762] <... setpgid resumed>) = 0 [pid 3762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3761] setpgid(0, 0 [pid 3760] <... write resumed>) = 4 [pid 3759] <... write resumed>) = 4 [pid 3762] <... openat resumed>) = 3 [pid 3762] write(3, "1000", 4) = 4 [pid 3762] close(3) = 0 [pid 3762] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3761] <... setpgid resumed>) = 0 [pid 3760] close(3 [pid 3759] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 3762] write(1, "executing program\n", 18) = 18 executing program [pid 3762] mkdirat(AT_FDCWD, "./config", 0777 [pid 3760] <... close resumed>) = 0 [pid 3759] <... close resumed>) = 0 [pid 3760] symlink("/dev/binderfs", "./binderfs" [pid 3759] symlink("/dev/binderfs", "./binderfs" [pid 3762] <... mkdirat resumed>) = 0 [pid 3759] <... symlink resumed>) = 0 [pid 3762] mount(NULL, "./config", "configfs", 0, NULL [pid 3760] <... symlink resumed>) = 0 [pid 3759] write(1, "executing program\n", 18 [pid 309] umount2("./696", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3760] write(1, "executing program\n", 18 [pid 3759] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3760] <... write resumed>) = 18 [pid 309] openat(AT_FDCWD, "./696", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3762] <... mount resumed>) = 0 executing program executing program [pid 3759] mkdirat(AT_FDCWD, "./config", 0777 [pid 3760] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... openat resumed>) = 3 [pid 3762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] fstat(3 [pid 3762] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3759] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3762] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3760] <... mkdirat resumed>) = 0 [pid 3759] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(3 [pid 3762] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3760] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3759] <... mount resumed>) = 0 [pid 309] umount2("./696/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3762] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3760] <... mount resumed>) = 0 [pid 3759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3762] exit_group(0 [pid 3760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./696/binderfs" [pid 3762] <... exit_group resumed>) = ? [pid 3761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3762] +++ exited with 0 +++ [pid 3761] <... openat resumed>) = 3 [pid 3760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3761] write(3, "1000", 4 [pid 3760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] unlink("./696/binderfs" [pid 3761] <... write resumed>) = 4 [pid 3760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3761] close(3) = 0 [pid 3761] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3759] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 3761] write(1, "executing program\n", 18 executing program [pid 3760] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3759] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3761] <... write resumed>) = 18 [pid 3761] mkdirat(AT_FDCWD, "./config", 0777 [pid 3760] <... symlinkat resumed>) = 0 [pid 3761] <... mkdirat resumed>) = 0 [pid 3759] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3760] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = 0 [pid 3761] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3760] <... unlinkat resumed>) = 0 [pid 3759] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3761] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3760] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3759] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3761] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3761] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3761] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3760] <... unlinkat resumed>) = 0 [pid 3761] <... mkdirat resumed>) = 0 [pid 3759] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./696/config" [pid 3761] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3760] exit_group(0 [pid 3761] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3761] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3759] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3761] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3760] <... exit_group resumed>) = ? [pid 3761] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3759] exit_group(0 [pid 309] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3761] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3761] exit_group(0) = ? [pid 3761] +++ exited with 0 +++ [pid 3760] +++ exited with 0 +++ [pid 3759] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./709", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./709", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3759] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 309] openat(AT_FDCWD, "./696/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... openat resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./709/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./709/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] unlink("./709/binderfs") = 0 [pid 309] getdents64(4 [pid 310] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./709/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 310] openat(AT_FDCWD, "./709/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] <... close resumed>) = 0 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./696/config" [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./709/config") = 0 [pid 309] getdents64(3 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 309] close(3 [pid 310] rmdir("./709") = 0 [pid 309] <... close resumed>) = 0 [pid 310] mkdir("./710", 0777) = 0 [pid 309] rmdir("./696" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3763 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] mkdir("./697", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3763 attached [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] umount2("./656", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./656", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./656/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./656/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./656/binderfs" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3764 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3763] set_robust_list(0x55556c898760, 24 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./656/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./656/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./656/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./656/config"ci2-android-6-1/strace-static-x86_64: Process 3764 attached ) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./656" [pid 3764] set_robust_list(0x55556c898760, 24 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./657", 0777 [pid 3764] <... set_robust_list resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3764] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 3765 attached [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3765 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3763] <... set_robust_list resumed>) = 0 [pid 3764] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3763] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3763] chdir("./710") = 0 [pid 3763] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3763] setpgid(0, 0) = 0 [pid 3763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... restart_syscall resumed>) = 0 [pid 307] umount2("./680", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3763] <... openat resumed>) = 3 [pid 3763] write(3, "1000", 4) = 4 [pid 3763] close(3) = 0 [pid 3763] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3763] write(1, "executing program\n", 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3763] <... write resumed>) = 18 [pid 3765] set_robust_list(0x55556c898760, 24 [pid 3764] chdir("./697" [pid 307] openat(AT_FDCWD, "./680", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3764] <... chdir resumed>) = 0 [pid 308] umount2("./705", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3764] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3764] setpgid(0, 0 [pid 307] <... openat resumed>) = 3 [pid 3764] <... setpgid resumed>) = 0 [pid 3764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 3764] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./705", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3764] write(3, "1000", 4) = 4 [pid 3764] close(3) = 0 [pid 3764] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3764] write(1, "executing program\n", 18 [pid 307] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 3764] <... write resumed>) = 18 executing program [pid 3764] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./680/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3764] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] newfstatat(AT_FDCWD, "./680/binderfs" [pid 3764] <... mount resumed>) = 0 [pid 308] umount2("./705/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] unlink("./680/binderfs" [pid 308] newfstatat(AT_FDCWD, "./705/binderfs" [pid 3764] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./705/binderfs" [pid 3764] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3764] <... mkdirat resumed>) = 0 [pid 307] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3765] <... set_robust_list resumed>) = 0 [pid 3764] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3763] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 3765] rt_sigprocmask(SIG_SETMASK, [] [pid 3764] <... symlinkat resumed>) = 0 [pid 308] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./680/config" [pid 308] newfstatat(AT_FDCWD, "./705/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3765] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3764] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3763] <... mkdirat resumed>) = 0 [pid 308] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3765] chdir("./657" [pid 3764] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3765] <... chdir resumed>) = 0 [pid 3764] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3763] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./680/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3765] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3764] <... unlinkat resumed>) = 0 [pid 3765] <... prctl resumed>) = 0 [pid 3764] exit_group(0 [pid 3763] <... mount resumed>) = 0 [pid 308] openat(AT_FDCWD, "./705/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 4 [pid 3765] setpgid(0, 0 [pid 3764] <... exit_group resumed>) = ? [pid 3765] <... setpgid resumed>) = 0 [pid 3764] +++ exited with 0 +++ [pid 3763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 308] fstat(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 307] getdents64(4 [pid 3765] <... openat resumed>) = 3 [pid 3763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 307] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 307] close(4 [pid 3765] write(3, "1000", 4 [pid 3763] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 308] rmdir("./705/config" [pid 307] rmdir("./680/config" [pid 3765] <... write resumed>) = 4 [pid 3763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3765] close(3 [pid 3763] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3765] <... close resumed>) = 0 [pid 3763] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3765] symlink("/dev/binderfs", "./binderfs" [pid 3763] <... symlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 3765] <... symlink resumed>) = 0 [pid 3763] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 3765] write(1, "executing program\n", 18 [pid 3763] <... unlinkat resumed>) = 0 [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3765] <... write resumed>) = 18 [pid 3763] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... close resumed>) = 0 [pid 307] close(3 [pid 308] rmdir("./705" [pid 307] <... close resumed>) = 0 [pid 3765] mkdirat(AT_FDCWD, "./config", 0777 [pid 3763] <... unlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./680" [pid 308] mkdir("./706", 0777 [pid 3765] <... mkdirat resumed>) = 0 [pid 3763] exit_group(0 [pid 307] <... rmdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] mkdir("./681", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3765] mount(NULL, "./config", "configfs", 0, NULL [pid 3763] <... exit_group resumed>) = ? executing program [pid 3765] <... mount resumed>) = 0 [pid 3763] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3763, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3765] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] umount2("./710", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3765] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./710", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./697", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3765] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 3 [pid 3765] <... symlinkat resumed>) = 0 [pid 310] fstat(3 [pid 3765] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3765] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3766 [pid 3765] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3765] <... unlinkat resumed>) = 0 [pid 310] umount2("./710/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./697", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3767 [pid 3765] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3765] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./710/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3766 attached [pid 3765] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] unlink("./710/binderfs" [pid 309] fstat(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3765, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./710/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./697/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./710/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] newfstatat(AT_FDCWD, "./697/binderfs" [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./697/binderfs" [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./710/config") = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3) = 0 [pid 310] rmdir("./710" [pid 309] <... umount2 resumed>) = 0 [pid 3766] set_robust_list(0x55556c898760, 24 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./711", 0777ci2-android-6-1/strace-static-x86_64: Process 3767 attached [pid 3766] <... set_robust_list resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3767] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3767] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./697/config" [pid 3767] rt_sigprocmask(SIG_SETMASK, [] [pid 3766] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3767] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3766] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3767] chdir("./681" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3768 [pid 3767] <... chdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3766] chdir("./706" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3767] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3767] setpgid(0, 0 [pid 309] openat(AT_FDCWD, "./697/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3766] <... chdir resumed>) = 0 [pid 3767] <... setpgid resumed>) = 0 [pid 3766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... openat resumed>) = 4 [pid 3767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3766] <... prctl resumed>) = 0 [pid 309] fstat(4 [pid 3767] <... openat resumed>) = 3 [pid 3766] setpgid(0, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3767] write(3, "1000", 4 [pid 3766] <... setpgid resumed>) = 0 [pid 309] getdents64(4 [pid 3767] <... write resumed>) = 4 [pid 3767] close(3) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 3767] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3767] <... symlink resumed>) = 0 [pid 3766] <... openat resumed>) = 3 [pid 309] close(4ci2-android-6-1/strace-static-x86_64: Process 3768 attached [pid 3767] write(1, "executing program\n", 18 [pid 3766] write(3, "1000", 4 [pid 309] <... close resumed>) = 0 [pid 3767] <... write resumed>) = 18 [pid 309] rmdir("./697/config" [pid 3766] <... write resumed>) = 4 executing program [pid 3767] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3766] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 3767] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(3 [pid 3766] <... close resumed>) = 0 [pid 3768] set_robust_list(0x55556c898760, 24 [pid 3767] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3766] symlink("/dev/binderfs", "./binderfs" [pid 309] close(3 [pid 3768] <... set_robust_list resumed>) = 0 [pid 3767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... close resumed>) = 0 [pid 3768] rt_sigprocmask(SIG_SETMASK, [] [pid 3767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./697" [pid 3766] <... symlink resumed>) = 0 [pid 3768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3768] chdir("./711" [pid 3767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3766] write(1, "executing program\n", 18 [pid 309] <... rmdir resumed>) = 0 [pid 3768] <... chdir resumed>) = 0 [pid 3767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3766] <... write resumed>) = 18 executing program [pid 309] mkdir("./698", 0777 [pid 3768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3767] <... mkdirat resumed>) = 0 [pid 3768] <... prctl resumed>) = 0 [pid 3767] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... mkdir resumed>) = 0 [pid 3768] setpgid(0, 0 [pid 3767] <... symlinkat resumed>) = 0 [pid 3766] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3768] <... setpgid resumed>) = 0 [pid 3767] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3767] <... unlinkat resumed>) = 0 [pid 3768] <... openat resumed>) = 3 [pid 3767] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3768] write(3, "1000", 4 [pid 3767] <... unlinkat resumed>) = 0 [pid 306] umount2("./657", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3769 [pid 3768] <... write resumed>) = 4 [pid 3767] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./657", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3768] close(3 [pid 3767] <... exit_group resumed>) = ? [pid 306] <... openat resumed>) = 3 [pid 3766] <... mkdirat resumed>) = 0 [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 3769 attached [pid 3768] <... close resumed>) = 0 [pid 3767] +++ exited with 0 +++ [pid 3766] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3768] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3768] <... symlink resumed>) = 0 [pid 3766] <... mount resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3766] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./657/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3766] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3768] write(1, "executing program\n", 18 [pid 3766] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] newfstatat(AT_FDCWD, "./657/binderfs" [pid 3766] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3768] <... write resumed>) = 18 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3766] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] unlink("./657/binderfs" [pid 3768] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3766] <... mkdirat resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 3768] mount(NULL, "./config", "configfs", 0, NULL [pid 3766] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./681", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3768] <... mount resumed>) = 0 [pid 3769] set_robust_list(0x55556c898760, 24 [pid 3766] <... symlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 3768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3766] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] openat(AT_FDCWD, "./681", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3768] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3766] <... unlinkat resumed>) = 0 [pid 307] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./657/config" [pid 3768] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3766] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] umount2("./657/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3768] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3768] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] openat(AT_FDCWD, "./657/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3766] <... unlinkat resumed>) = 0 [pid 3768] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 4 [pid 3768] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] fstat(4 [pid 3768] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3766] exit_group(0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3768] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./681/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 3768] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3766] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3768] exit_group(0 [pid 306] getdents64(4 [pid 3768] <... exit_group resumed>) = ? [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3768] +++ exited with 0 +++ [pid 3769] <... set_robust_list resumed>) = 0 [pid 3766] +++ exited with 0 +++ [pid 307] newfstatat(AT_FDCWD, "./681/binderfs" [pid 306] close(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./657/config" [pid 3769] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] unlink("./681/binderfs" [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./711", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./711", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./657" [pid 3769] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 307] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./658", 0777 [pid 3769] chdir("./698" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 310] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./681/config" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./711/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3769] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./711/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3770 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./681/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 3770 attached [pid 3769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] unlink("./711/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./711/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3769] <... prctl resumed>) = 0 [pid 310] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3769] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./711/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 4 [pid 3769] <... setpgid resumed>) = 0 [pid 310] fstat(4 [pid 307] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(4 [pid 307] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 3769] <... openat resumed>) = 3 [pid 310] rmdir("./711/config" [pid 307] close(4 [pid 3770] set_robust_list(0x55556c898760, 24 [pid 3769] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 3769] <... write resumed>) = 4 [pid 310] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3769] close(3 [pid 310] close(3 [pid 307] rmdir("./681/config" [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./711") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3769] <... close resumed>) = 0 [pid 310] mkdir("./712", 0777 [pid 307] getdents64(3 [pid 3770] <... set_robust_list resumed>) = 0 [pid 3769] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] close(3 [pid 3770] rt_sigprocmask(SIG_SETMASK, [] [pid 3769] <... symlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3771 [pid 307] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3769] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./681"ci2-android-6-1/strace-static-x86_64: Process 3771 attached [pid 3771] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3769] <... write resumed>) = 18 [pid 307] mkdir("./682", 0777 [pid 3771] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3771] chdir("./712") = 0 [pid 3771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3771] setpgid(0, 0) = 0 [pid 3771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3771] write(3, "1000", 4) = 4 [pid 3771] close(3) = 0 [pid 3771] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3771] write(1, "executing program\n", 18) = 18 [pid 3771] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./706", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3769] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./706", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... openat resumed>) = 3 [pid 3771] <... mkdirat resumed>) = 0 [pid 3771] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3771] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3772 [pid 3771] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3771] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./706/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./706/binderfs" [pid 3771] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3769] <... mkdirat resumed>) = 0 [pid 308] unlink("./706/binderfs" [pid 3771] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 3769] mount(NULL, "./config", "configfs", 0, NULL executing program executing program [pid 308] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3771] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3771] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3769] <... mount resumed>) = 0 [pid 308] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] newfstatat(AT_FDCWD, "./706/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3771] <... symlinkat resumed>) = 0 [pid 3771] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./706/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3771] <... unlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 3769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 3772 attached [pid 3770] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 3771] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3769] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(4 [pid 3769] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3771] <... unlinkat resumed>) = 0 [pid 3769] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] close(4 [pid 3771] exit_group(0 [pid 3769] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... close resumed>) = 0 [pid 3771] <... exit_group resumed>) = ? [pid 3769] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rmdir("./706/config") = 0 [pid 3769] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3769] exit_group(0 [pid 308] close(3 [pid 3771] +++ exited with 0 +++ [pid 3769] <... exit_group resumed>) = ? [pid 308] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rmdir("./706" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3770] chdir("./658" [pid 3772] set_robust_list(0x55556c898760, 24) = 0 [pid 3772] rt_sigprocmask(SIG_SETMASK, [] [pid 3770] <... chdir resumed>) = 0 [pid 3770] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3770] setpgid(0, 0) = 0 [pid 3769] +++ exited with 0 +++ [pid 3770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3772] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3772] chdir("./682" [pid 308] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] mkdir("./707", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3772] <... chdir resumed>) = 0 [pid 3770] <... openat resumed>) = 3 [pid 3772] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3772] setpgid(0, 0 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3772] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3770] write(3, "1000", 4) = 4 [pid 3772] <... openat resumed>) = 3 [pid 3770] close(3) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3773 [pid 3770] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3770] <... symlink resumed>) = 0 [pid 3772] write(3, "1000", 4) = 4 [pid 3772] close(3) = 0 [pid 3772] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 3773 attached [pid 3770] write(1, "executing program\n", 18) = 18 executing program [pid 3770] mkdirat(AT_FDCWD, "./config", 0777 [pid 3773] set_robust_list(0x55556c898760, 24 [pid 3772] <... symlink resumed>) = 0 [pid 3772] write(1, "executing program\n", 18 [pid 3773] <... set_robust_list resumed>) = 0 [pid 3770] <... mkdirat resumed>) = 0 [pid 3772] <... write resumed>) = 18 executing program [pid 3772] mkdirat(AT_FDCWD, "./config", 0777 [pid 3773] rt_sigprocmask(SIG_SETMASK, [] [pid 3772] <... mkdirat resumed>) = 0 [pid 3770] mount(NULL, "./config", "configfs", 0, NULL [pid 3773] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3770] <... mount resumed>) = 0 [pid 3770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3772] mount(NULL, "./config", "configfs", 0, NULL [pid 3770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3772] <... mount resumed>) = 0 [pid 3770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3773] chdir("./707" [pid 3772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3770] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3772] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3770] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3770] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3772] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3770] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3772] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3770] <... unlinkat resumed>) = 0 [pid 3773] <... chdir resumed>) = 0 [pid 3772] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 3772] exit_group(0 [pid 3770] exit_group(0 [pid 3772] <... exit_group resumed>) = ? [pid 3770] <... exit_group resumed>) = ? [pid 3773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3772] +++ exited with 0 +++ [pid 3773] <... prctl resumed>) = 0 [pid 3770] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3772, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3773] setpgid(0, 0) = 0 [pid 3773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3773] write(3, "1000", 4) = 4 [pid 3773] close(3) = 0 [pid 3773] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3773] write(1, "executing program\n", 18) = 18 executing program [pid 3773] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3773] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./712", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./698", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./658", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./712", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./698", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./658", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 307] umount2("./682", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] fstat(3 [pid 306] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 307] openat(AT_FDCWD, "./682", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3773] <... mkdirat resumed>) = 0 [pid 310] umount2("./712/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./658/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./698/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./712/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./658/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./698/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./712/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 306] unlink("./658/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./698/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... unlink resumed>) = 0 [pid 3773] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3773] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./682/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 3773] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3773] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3773] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./712/config" [pid 306] newfstatat(AT_FDCWD, "./658/config" [pid 3773] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./682/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3773] exit_group(0 [pid 310] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./658/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3773] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./682/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3773] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./712/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./698/config" [pid 306] openat(AT_FDCWD, "./658/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 306] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = 0 [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./698/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 309] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 307] newfstatat(AT_FDCWD, "./682/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(4 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 310] rmdir("./712/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] rmdir("./658/config" [pid 307] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./682/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] close(4 [pid 307] <... openat resumed>) = 4 [pid 306] close(3 [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] fstat(4 [pid 306] <... close resumed>) = 0 [pid 310] rmdir("./712" [pid 309] rmdir("./698/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./658" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 310] mkdir("./713", 0777 [pid 309] getdents64(3 [pid 306] mkdir("./659", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(3 [pid 307] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3774 attached ci2-android-6-1/strace-static-x86_64: Process 3775 attached [pid 309] rmdir("./698" [pid 307] close(4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3774 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3775 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3774] set_robust_list(0x55556c898760, 24) = 0 [pid 3774] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3774] chdir("./713") = 0 [pid 3774] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3774] setpgid(0, 0) = 0 [pid 3774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3774] write(3, "1000", 4) = 4 [pid 3774] close(3) = 0 [pid 3774] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3774] write(1, "executing program\n", 18 [pid 309] <... rmdir resumed>) = 0 [pid 3774] <... write resumed>) = 18 [pid 307] <... close resumed>) = 0 executing program [pid 3774] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] mkdir("./699", 0777 [pid 307] rmdir("./682/config" [pid 3774] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3774] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3774] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3774] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3774] exit_group(0) = ? [pid 3774] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3774, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 3775] set_robust_list(0x55556c898760, 24 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3775] <... set_robust_list resumed>) = 0 [pid 308] umount2("./707", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3775] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] openat(AT_FDCWD, "./707", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 3775] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] rmdir("./682" [pid 3775] chdir("./659") = 0 [pid 3775] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3775] setpgid(0, 0) = 0 [pid 3775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] fstat(3 [pid 3775] write(3, "1000", 4) = 4 [pid 3775] close(3) = 0 [pid 3775] symlink("/dev/binderfs", "./binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3776 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3775] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 307] mkdir("./683", 0777 [pid 3775] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3775] <... write resumed>) = 18 [pid 3775] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./707/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... mkdir resumed>) = 0 executing program [pid 3775] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] newfstatat(AT_FDCWD, "./707/binderfs" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] unlink("./707/binderfs" [pid 3775] <... mount resumed>) = 0 [pid 3775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3775] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... unlink resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3777 [pid 308] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3775] <... symlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3775] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./707/config" [pid 3775] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3775] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3775] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3775] exit_group(0) = ? [pid 308] openat(AT_FDCWD, "./707/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 3777 attached [pid 3775] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3776 attached [pid 308] fstat(4 [pid 3776] set_robust_list(0x55556c898760, 24) = 0 [pid 3776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3776] chdir("./699" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3777] set_robust_list(0x55556c898760, 24 [pid 3776] <... chdir resumed>) = 0 [pid 3776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3776] setpgid(0, 0) = 0 [pid 3776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 3777] <... set_robust_list resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./713", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./659", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./713", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 306] openat(AT_FDCWD, "./659", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3776] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 3 [pid 3776] write(3, "1000", 4 [pid 310] fstat(3 [pid 306] fstat(3 [pid 3776] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3776] close(3 [pid 310] getdents64(3 [pid 306] getdents64(3 [pid 3777] rt_sigprocmask(SIG_SETMASK, [] [pid 3776] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] close(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3776] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./713/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 306] umount2("./659/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3777] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3776] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./707/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3776] write(1, "executing program\n", 18 [pid 310] newfstatat(AT_FDCWD, "./713/binderfs" [pid 306] newfstatat(AT_FDCWD, "./659/binderfs" [pid 3776] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 3776] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] unlink("./713/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 306] unlink("./659/binderfs" [pid 3777] chdir("./683" [pid 3776] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 3776] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3776] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] close(3 [pid 3776] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 3776] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 306] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3776] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./713/config" [pid 308] rmdir("./707" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3776] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./659/config" [pid 3776] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3776] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./659/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3776] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./713/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./708", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3777] <... chdir resumed>) = 0 [pid 3776] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./659/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3776] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(4 [pid 306] <... openat resumed>) = 4 [pid 3776] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] fstat(4 [pid 3776] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3777] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3776] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(4 [pid 3777] <... prctl resumed>) = 0 [pid 3776] exit_group(0 [pid 310] getdents64(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3776] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 3776] +++ exited with 0 +++ [pid 310] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3778 [pid 306] close(4 [pid 310] rmdir("./713/config" [pid 306] <... close resumed>) = 0 [pid 3777] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./659/config" [pid 310] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./699", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./699", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 310] rmdir("./713" [pid 309] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 3777] <... setpgid resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 306] rmdir("./659" [pid 3777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] mkdir("./714", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3777] <... openat resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 306] mkdir("./660", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./699/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3777] write(3, "1000", 4 [pid 309] newfstatat(AT_FDCWD, "./699/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3779 attached [pid 3777] <... write resumed>) = 4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3779 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3780 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3778 attached [pid 3778] set_robust_list(0x55556c898760, 24) = 0 [pid 3778] rt_sigprocmask(SIG_SETMASK, [] [pid 3777] close(3 [pid 309] unlink("./699/binderfs" [pid 3778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3778] chdir("./708") = 0 [pid 3778] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3778] setpgid(0, 0) = 0 [pid 3778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3778] write(3, "1000", 4 [pid 309] <... unlink resumed>) = 0 [pid 3777] <... close resumed>) = 0 [pid 3778] <... write resumed>) = 4 [pid 3778] close(3) = 0 [pid 3778] symlink("/dev/binderfs", "./binderfs" [pid 3777] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3778] <... symlink resumed>) = 0 [pid 3778] write(1, "executing program\n", 18) = 18 [pid 3777] <... symlink resumed>) = 0 executing program [pid 3777] write(1, "executing program\n", 18 executing program [pid 3778] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3777] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = 0 [pid 3778] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3777] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3778] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3778] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3778] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3777] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./699/config" [pid 3778] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3777] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3779] set_robust_list(0x55556c898760, 24 [pid 3778] exit_group(0) = ? [pid 3778] +++ exited with 0 +++ [pid 309] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3777] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] openat(AT_FDCWD, "./699/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 3780 attached [pid 3777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] fstat(4 [pid 3780] set_robust_list(0x55556c898760, 24 [pid 3777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3780] <... set_robust_list resumed>) = 0 [pid 309] getdents64(4 [pid 3777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3780] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3780] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3780] chdir("./660" [pid 3777] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 3780] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3777] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] close(4 [pid 3780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... close resumed>) = 0 [pid 3780] <... prctl resumed>) = 0 [pid 3780] setpgid(0, 0 [pid 3777] <... symlinkat resumed>) = 0 [pid 309] rmdir("./699/config" [pid 3780] <... setpgid resumed>) = 0 [pid 3779] <... set_robust_list resumed>) = 0 [pid 3777] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 3780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3779] rt_sigprocmask(SIG_SETMASK, [] [pid 3777] <... unlinkat resumed>) = 0 [pid 3780] <... openat resumed>) = 3 [pid 3779] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 3780] write(3, "1000", 4 [pid 3777] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3780] <... write resumed>) = 4 [pid 3779] chdir("./714" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3780] close(3 [pid 3779] <... chdir resumed>) = 0 [pid 3777] <... unlinkat resumed>) = 0 [pid 309] close(3 [pid 3780] <... close resumed>) = 0 [pid 3779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3777] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 3780] symlink("/dev/binderfs", "./binderfs" [pid 3779] <... prctl resumed>) = 0 [pid 3777] <... exit_group resumed>) = ? [pid 309] rmdir("./699" [pid 3780] <... symlink resumed>) = 0 [pid 3780] write(1, "executing program\n", 18) = 18 executing program [pid 3780] mkdirat(AT_FDCWD, "./config", 0777 [pid 3777] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./708", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3780] <... mkdirat resumed>) = 0 [pid 3779] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3779] <... setpgid resumed>) = 0 [pid 309] mkdir("./700", 0777 [pid 308] openat(AT_FDCWD, "./708", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3780] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./683", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3779] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] fstat(3 [pid 307] openat(AT_FDCWD, "./683", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3779] write(3, "1000", 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 3780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3779] <... write resumed>) = 4 [pid 3780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3780] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] fstat(3 [pid 308] getdents64(3 [pid 3779] close(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3781 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 3781 attached [pid 3780] <... symlinkat resumed>) = 0 [pid 3779] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 3781] set_robust_list(0x55556c898760, 24 [pid 3779] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./708/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3780] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3779] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3781] <... set_robust_list resumed>) = 0 [pid 307] umount2("./683/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3779] write(1, "executing program\n", 18 [pid 308] newfstatat(AT_FDCWD, "./708/binderfs" [pid 3781] rt_sigprocmask(SIG_SETMASK, [] [pid 3780] <... unlinkat resumed>) = 0 [pid 3779] <... write resumed>) = 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3781] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3780] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3779] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] unlink("./708/binderfs" [pid 307] newfstatat(AT_FDCWD, "./683/binderfs" [pid 3781] chdir("./700" [pid 3780] <... unlinkat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3780] exit_group(0) = ? [pid 3781] <... chdir resumed>) = 0 [pid 3780] +++ exited with 0 +++ [pid 3779] <... mkdirat resumed>) = 0 [pid 308] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./683/binderfs" [pid 3781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3779] mount(NULL, "./config", "configfs", 0, NULL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3780, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3781] <... prctl resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3781] setpgid(0, 0 [pid 3779] <... mount resumed>) = 0 [pid 308] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3781] <... setpgid resumed>) = 0 [pid 3779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = 0 [pid 3781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] newfstatat(AT_FDCWD, "./708/config" [pid 307] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3781] <... openat resumed>) = 3 [pid 3779] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./683/config" [pid 3781] write(3, "1000", 4 [pid 3779] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] openat(AT_FDCWD, "./708/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3781] <... write resumed>) = 4 [pid 3779] <... symlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3781] close(3 [pid 3779] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3781] <... close resumed>) = 0 [pid 3779] <... unlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./683/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3781] symlink("/dev/binderfs", "./binderfs" [pid 3779] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 3781] <... symlink resumed>) = 0 [pid 3779] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 3781] write(1, "executing program\n", 18 [pid 3779] exit_group(0 [pid 308] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3779] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 307] getdents64(4 [pid 3781] <... write resumed>) = 18 [pid 3781] mkdirat(AT_FDCWD, "./config", 0777 [pid 3779] +++ exited with 0 +++ [pid 308] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3781] <... mkdirat resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3781] mount(NULL, "./config", "configfs", 0, NULL [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 3781] <... mount resumed>) = 0 [pid 3781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rmdir("./708/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3781] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 3781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 3781] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./683/config" [pid 3781] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 3781] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 3781] <... unlinkat resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3781] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rmdir("./708" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3781] <... unlinkat resumed>) = 0 [pid 310] umount2("./714", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 3781] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./660", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3781] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./714", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3781] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 308] mkdir("./709", 0777 [pid 307] rmdir("./683" [pid 306] openat(AT_FDCWD, "./660", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] fstat(3 [pid 310] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 307] mkdir("./684", 0777 [pid 310] umount2("./714/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./700", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./660/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./714/binderfs" [pid 309] openat(AT_FDCWD, "./700", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./660/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3782 attached [pid 310] unlink("./714/binderfs" [pid 309] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3782] set_robust_list(0x55556c898760, 24 [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3782 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] unlink("./660/binderfs" [pid 3782] <... set_robust_list resumed>) = 0 [pid 310] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3782] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3783 [pid 306] <... umount2 resumed>) = 0 [pid 3782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./700/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3782] chdir("./709" [pid 310] newfstatat(AT_FDCWD, "./714/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3782] <... chdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./700/binderfs" [pid 306] newfstatat(AT_FDCWD, "./660/config" [pid 3782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3782] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./700/binderfs" [pid 306] umount2("./660/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3782] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./714/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3782] <... setpgid resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./660/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] fstat(4 [pid 309] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 3782] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] fstat(4 [pid 3782] write(3, "1000", 4 [pid 310] getdents64(4 [pid 309] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3782] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 3782] close(3 [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./700/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3782] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(4 [pid 3782] symlink("/dev/binderfs", "./binderfs" [pid 310] close(4 [pid 309] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3782] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 3782] write(1, "executing program\n", 18 executing program [pid 310] rmdir("./714/config" [pid 309] openat(AT_FDCWD, "./700/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 3782] <... write resumed>) = 18 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] rmdir("./660/config" [pid 3782] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(3 [pid 309] fstat(4 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3783 attached [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 3783] set_robust_list(0x55556c898760, 24 [pid 3782] <... mkdirat resumed>) = 0 [pid 310] close(3 [pid 309] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3783] <... set_robust_list resumed>) = 0 [pid 3782] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] close(3 [pid 3783] rt_sigprocmask(SIG_SETMASK, [] [pid 3782] <... mount resumed>) = 0 [pid 310] rmdir("./714" [pid 309] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 3783] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./660" [pid 3783] chdir("./684" [pid 3782] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./715", 0777 [pid 309] close(4 [pid 306] <... rmdir resumed>) = 0 [pid 3783] <... chdir resumed>) = 0 [pid 3782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] mkdir("./661", 0777 [pid 3783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3782] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./700/config" [pid 306] <... mkdir resumed>) = 0 [pid 3783] <... prctl resumed>) = 0 [pid 3782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3784 attached [pid 3783] setpgid(0, 0 [pid 3782] <... mkdirat resumed>) = 0 [pid 309] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3785 attached [pid 3784] set_robust_list(0x55556c898760, 24 [pid 3783] <... setpgid resumed>) = 0 [pid 3782] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3784 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3785] set_robust_list(0x55556c898760, 24 [pid 3784] <... set_robust_list resumed>) = 0 [pid 3783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3782] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3785 [pid 3785] <... set_robust_list resumed>) = 0 [pid 3784] rt_sigprocmask(SIG_SETMASK, [] [pid 3783] <... openat resumed>) = 3 [pid 3782] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3785] rt_sigprocmask(SIG_SETMASK, [] [pid 3784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3783] write(3, "1000", 4 [pid 3782] <... unlinkat resumed>) = 0 [pid 309] rmdir("./700" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3785] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3784] chdir("./715" [pid 3783] <... write resumed>) = 4 [pid 3782] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rmdir resumed>) = 0 [pid 3783] close(3 [pid 3782] <... unlinkat resumed>) = 0 [pid 309] mkdir("./701", 0777 [pid 3784] <... chdir resumed>) = 0 [pid 3783] <... close resumed>) = 0 [pid 3782] exit_group(0 [pid 3785] chdir("./661") = 0 [pid 3784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3783] symlink("/dev/binderfs", "./binderfs" [pid 3782] <... exit_group resumed>) = ? [pid 309] <... mkdir resumed>) = 0 [pid 3784] <... prctl resumed>) = 0 [pid 3785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3783] <... symlink resumed>) = 0 [pid 3785] <... prctl resumed>) = 0 [pid 3785] setpgid(0, 0) = 0 [pid 3785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3782] +++ exited with 0 +++ [pid 3785] <... openat resumed>) = 3 [pid 3784] setpgid(0, 0 [pid 3783] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 3785] write(3, "1000", 4 [pid 3784] <... setpgid resumed>) = 0 [pid 3783] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3785] <... write resumed>) = 4 [pid 3784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3783] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3785] close(3) = 0 [pid 3785] symlink("/dev/binderfs", "./binderfs" [pid 3783] <... mkdirat resumed>) = 0 [pid 3785] <... symlink resumed>) = 0 [pid 3783] mount(NULL, "./config", "configfs", 0, NULL [pid 3784] <... openat resumed>) = 3 executing program [pid 3785] write(1, "executing program\n", 18ci2-android-6-1/strace-static-x86_64: Process 3786 attached ) = 18 [pid 3784] write(3, "1000", 4 [pid 3783] <... mount resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3786 [pid 3784] <... write resumed>) = 4 [pid 3783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3784] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3783] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3784] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3786] set_robust_list(0x55556c898760, 24 [pid 3784] symlink("/dev/binderfs", "./binderfs" [pid 3783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3786] <... set_robust_list resumed>) = 0 [pid 3785] mkdirat(AT_FDCWD, "./config", 0777 [pid 3786] rt_sigprocmask(SIG_SETMASK, [] [pid 3784] <... symlink resumed>) = 0 [pid 3783] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3786] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3784] write(1, "executing program\n", 18 [pid 3783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3784] <... write resumed>) = 18 executing program [pid 3786] chdir("./701" [pid 3785] <... mkdirat resumed>) = 0 [pid 3784] mkdirat(AT_FDCWD, "./config", 0777 [pid 3783] <... mkdirat resumed>) = 0 [pid 3786] <... chdir resumed>) = 0 [pid 3785] mount(NULL, "./config", "configfs", 0, NULL [pid 3786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3785] <... mount resumed>) = 0 [pid 3784] <... mkdirat resumed>) = 0 [pid 3783] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3786] <... prctl resumed>) = 0 [pid 3784] mount(NULL, "./config", "configfs", 0, NULL [pid 3785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3783] <... symlinkat resumed>) = 0 [pid 3786] setpgid(0, 0 [pid 3784] <... mount resumed>) = 0 [pid 3786] <... setpgid resumed>) = 0 [pid 3783] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3785] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3784] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3783] <... unlinkat resumed>) = 0 [pid 3784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3783] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3784] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3783] <... unlinkat resumed>) = 0 [pid 3786] <... openat resumed>) = 3 [pid 3785] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3784] <... mkdirat resumed>) = 0 [pid 3786] write(3, "1000", 4 [pid 3785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3784] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3783] exit_group(0 [pid 3786] <... write resumed>) = 4 [pid 3786] close(3 [pid 3785] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3784] <... symlinkat resumed>) = 0 [pid 3783] <... exit_group resumed>) = ? [pid 3784] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3785] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 3785] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3783] +++ exited with 0 +++ [pid 3786] <... close resumed>) = 0 [pid 3785] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3784] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3786] symlink("/dev/binderfs", "./binderfs" [pid 3785] <... unlinkat resumed>) = 0 [pid 3784] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3785] exit_group(0 [pid 3784] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3786] <... symlink resumed>) = 0 [pid 3785] <... exit_group resumed>) = ? executing program [pid 3786] write(1, "executing program\n", 18 [pid 3785] +++ exited with 0 +++ [pid 3784] exit_group(0 [pid 3786] <... write resumed>) = 18 [pid 3784] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3786] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3784] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3784, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] umount2("./715", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 3786] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... restart_syscall resumed>) = 0 [pid 3786] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./715", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./661", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3786] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 308] umount2("./709", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3786] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./684", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./661", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3786] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./709", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 3786] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./684", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(3 [pid 3786] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3786] <... mkdirat resumed>) = 0 [pid 310] umount2("./715/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] getdents64(3 [pid 3786] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./715/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./709/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./661/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./715/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./709/binderfs" [pid 307] umount2("./684/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./661/binderfs" [pid 310] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3786] <... symlinkat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3786] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] unlink("./709/binderfs" [pid 307] newfstatat(AT_FDCWD, "./684/binderfs" [pid 306] unlink("./661/binderfs" [pid 310] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./715/config" [pid 307] unlink("./684/binderfs" [pid 306] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3786] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 307] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3786] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./715/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./709/config" [pid 307] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./661/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./684/config" [pid 3786] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./709/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./661/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 308] <... openat resumed>) = 4 executing program [pid 3786] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3786] <... exit_group resumed>) = ? [pid 310] close(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./684/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./661/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 306] <... openat resumed>) = 4 [pid 310] rmdir("./715/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 306] fstat(4 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 310] getdents64(3 [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] close(3 [pid 308] close(4 [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] rmdir("./715" [pid 308] rmdir("./709/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 306] close(4 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 310] mkdir("./716", 0777 [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./661/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./684/config" [pid 306] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./709" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3787 [pid 308] mkdir("./710", 0777 [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 3787 attached [pid 3787] set_robust_list(0x55556c898760, 24) = 0 [pid 3787] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 306] rmdir("./661" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 3787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3787] chdir("./716") = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./684" [pid 306] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3787] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3787] setpgid(0, 0) = 0 [pid 3787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 306] mkdir("./662", 0777 [pid 3787] <... openat resumed>) = 3 [pid 3787] write(3, "1000", 4) = 4 [pid 3787] close(3) = 0 [pid 3787] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3788 [pid 307] mkdir("./685", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 3786] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3787] write(1, "executing program\n", 18) = 18 [pid 3787] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3788 attached [pid 3787] <... mkdirat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3787] mount(NULL, "./config", "configfs", 0, NULL [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3789 attached [pid 3787] <... mount resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3789 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3790 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3788] set_robust_list(0x55556c898760, 24 [pid 3787] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3789] set_robust_list(0x55556c898760, 24 [pid 3788] <... set_robust_list resumed>) = 0 [pid 3788] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3787] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3788] chdir("./710") = 0 [pid 3788] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3788] setpgid(0, 0) = 0 [pid 3788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3789] <... set_robust_list resumed>) = 0 [pid 3787] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3788] <... openat resumed>) = 3 [pid 3788] write(3, "1000", 4) = 4 [pid 3788] close(3) = 0 [pid 3788] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3787] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3788] write(1, "executing program\n", 18) = 18 executing program [pid 3787] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3788] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3788] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3787] <... mkdirat resumed>) = 0 [pid 3788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3787] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3788] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3788] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3788] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3788] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 3788] exit_group(0 [pid 3787] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3788] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 3790 attached [pid 3789] rt_sigprocmask(SIG_SETMASK, [] [pid 3788] +++ exited with 0 +++ [pid 3787] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./701", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3787] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3790] set_robust_list(0x55556c898760, 24 [pid 3787] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] openat(AT_FDCWD, "./701", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3790] <... set_robust_list resumed>) = 0 [pid 3787] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... openat resumed>) = 3 [pid 3790] rt_sigprocmask(SIG_SETMASK, [] [pid 3787] exit_group(0 [pid 309] fstat(3 [pid 3787] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3790] chdir("./685") = 0 [pid 3790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3790] setpgid(0, 0) = 0 [pid 3790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3787] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3787, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3790] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3790] write(3, "1000", 4) = 4 [pid 309] umount2("./701/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3790] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3790] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./701/binderfs" [pid 3790] symlink("/dev/binderfs", "./binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3790] <... symlink resumed>) = 0 [pid 3789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./701/binderfs" [pid 3790] write(1, "executing program\n", 18) = 18 [pid 3790] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... unlink resumed>) = 0 executing program [pid 3790] <... mkdirat resumed>) = 0 [pid 3789] chdir("./662" [pid 309] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3790] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3789] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 3790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3789] <... prctl resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./701/config" [pid 3790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3789] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3789] <... setpgid resumed>) = 0 [pid 3790] <... mkdirat resumed>) = 0 [pid 3789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3790] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] openat(AT_FDCWD, "./701/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3790] <... symlinkat resumed>) = 0 [pid 3789] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 4 [pid 3790] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3789] write(3, "1000", 4 [pid 309] fstat(4 [pid 3790] <... unlinkat resumed>) = 0 [pid 3789] <... write resumed>) = 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3790] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3789] close(3 [pid 309] getdents64(4 [pid 3790] exit_group(0 [pid 3789] <... close resumed>) = 0 [pid 310] umount2("./716", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 3790] <... exit_group resumed>) = ? [pid 3789] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] openat(AT_FDCWD, "./716", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 310] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./710", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3789] <... symlink resumed>) = 0 [pid 310] fstat(3 [pid 309] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3789] write(1, "executing program\n", 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./710", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3789] <... write resumed>) = 18 [pid 310] getdents64(3 [pid 309] rmdir("./701/config" [pid 308] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(3 [pid 310] umount2("./716/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 3789] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./716/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 308] umount2("./710/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./716/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3789] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] close(3 [pid 308] newfstatat(AT_FDCWD, "./710/binderfs" [pid 3789] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] unlink("./710/binderfs" [pid 3789] <... mount resumed>) = 0 [pid 310] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./701" [pid 308] <... unlink resumed>) = 0 [pid 3789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3789] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./716/config" [pid 309] mkdir("./702", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 3789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3790] +++ exited with 0 +++ [pid 3789] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] newfstatat(AT_FDCWD, "./710/config" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./716/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... openat resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3789] <... mkdirat resumed>) = 0 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./716/config" [pid 308] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3789] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3791 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./710/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3789] <... symlinkat resumed>) = 0 [pid 310] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3789] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] rmdir("./716" [pid 3789] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] fstat(4 [pid 3789] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] mkdir("./717", 0777 [pid 3789] <... unlinkat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] getdents64(4 [pid 3789] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3791 attached [pid 3789] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3792 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3791] set_robust_list(0x55556c898760, 24 [pid 3789] +++ exited with 0 +++ [pid 308] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3792 attached , 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3792] set_robust_list(0x55556c898760, 24 [pid 308] close(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3792] <... set_robust_list resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3791] <... set_robust_list resumed>) = 0 [pid 308] rmdir("./710/config" [pid 3791] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3791] chdir("./702" [pid 3792] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 3792] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 3791] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3792] chdir("./717" [pid 3791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] close(3 [pid 3792] <... chdir resumed>) = 0 [pid 3791] <... prctl resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3791] setpgid(0, 0 [pid 3792] <... prctl resumed>) = 0 [pid 308] rmdir("./710" [pid 3792] setpgid(0, 0 [pid 3791] <... setpgid resumed>) = 0 [pid 3792] <... setpgid resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] mkdir("./711", 0777 [pid 3792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3792] write(3, "1000", 4) = 4 [pid 3792] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 3792] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3791] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3792] symlink("/dev/binderfs", "./binderfs" [pid 3791] write(3, "1000", 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3792] <... symlink resumed>) = 0 [pid 3792] write(1, "executing program\n", 18) = 18 [pid 3792] mkdirat(AT_FDCWD, "./config", 0777 [pid 3791] <... write resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3793 [pid 3792] <... mkdirat resumed>) = 0 [pid 3791] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3791] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 3792] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3791] symlink("/dev/binderfs", "./binderfs" [pid 3792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3791] <... symlink resumed>) = 0 [pid 3792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3791] write(1, "executing program\n", 18 [pid 3792] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-6-1/strace-static-x86_64: Process 3793 attached [pid 3793] set_robust_list(0x55556c898760, 24) = 0 [pid 3793] rt_sigprocmask(SIG_SETMASK, [] [pid 3791] <... write resumed>) = 18 [pid 3793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3793] chdir("./711") = 0 [pid 3792] <... symlinkat resumed>) = 0 [pid 3793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3792] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3791] mkdirat(AT_FDCWD, "./config", 0777 [pid 3793] <... prctl resumed>) = 0 [pid 3793] setpgid(0, 0) = 0 executing program [pid 3793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3793] write(3, "1000", 4) = 4 [pid 3793] close(3) = 0 [pid 3793] symlink("/dev/binderfs", "./binderfs" [pid 3791] <... mkdirat resumed>) = 0 [pid 3792] <... unlinkat resumed>) = 0 [pid 3791] mount(NULL, "./config", "configfs", 0, NULL [pid 3793] <... symlink resumed>) = 0 [pid 3793] write(1, "executing program\n", 18) = 18 executing program [pid 3793] mkdirat(AT_FDCWD, "./config", 0777 [pid 3791] <... mount resumed>) = 0 [pid 3792] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./662", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3791] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3792] <... unlinkat resumed>) = 0 [pid 3791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] umount2("./685", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./662", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3791] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 3792] exit_group(0 [pid 3791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] openat(AT_FDCWD, "./685", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3792] <... exit_group resumed>) = ? [pid 3791] <... mkdirat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./662/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./662/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3791] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./685/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./662/binderfs" [pid 3791] <... symlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 3791] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] newfstatat(AT_FDCWD, "./685/binderfs" [pid 306] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3791] <... unlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3791] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] unlink("./685/binderfs" [pid 3792] +++ exited with 0 +++ [pid 306] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3792, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./662/config" [pid 307] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3791] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./662/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3791] exit_group(0 [pid 3793] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./662/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3791] <... exit_group resumed>) = ? [pid 307] newfstatat(AT_FDCWD, "./685/config" [pid 306] <... openat resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(4 [pid 307] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 307] openat(AT_FDCWD, "./685/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... openat resumed>) = 4 [pid 306] getdents64(4 [pid 307] fstat(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(4 [pid 307] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./662/config" [pid 3791] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 306] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(4 [pid 306] close(3) = 0 [pid 306] rmdir("./662" [pid 307] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./663", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] rmdir("./685/config" [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] umount2("./717", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3793] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 3793] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./717", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3794 [pid 3793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 307] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 307] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rmdir("./685" [pid 3793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 3793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 3794 attached [pid 3793] <... mkdirat resumed>) = 0 [pid 310] umount2("./717/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 3793] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3793] <... symlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./717/binderfs" [pid 307] mkdir("./686", 0777 [pid 3794] set_robust_list(0x55556c898760, 24 [pid 3793] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3793] <... unlinkat resumed>) = 0 [pid 310] unlink("./717/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3794] <... set_robust_list resumed>) = 0 [pid 3793] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3793] <... unlinkat resumed>) = 0 [pid 310] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3793] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3795 attached [pid 3794] rt_sigprocmask(SIG_SETMASK, [] [pid 3793] <... exit_group resumed>) = ? [pid 310] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./702", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3795] set_robust_list(0x55556c898760, 24 [pid 3794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3793] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./717/config" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3795 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./717/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./702", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3794] chdir("./663" [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./717/config" [pid 3795] <... set_robust_list resumed>) = 0 [pid 3794] <... chdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./717" [pid 3795] rt_sigprocmask(SIG_SETMASK, [] [pid 3794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] mkdir("./718", 0777 [pid 3795] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3794] <... prctl resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3795] chdir("./686" [pid 3794] setpgid(0, 0 [pid 309] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 3796 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3796 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3795] <... chdir resumed>) = 0 [pid 3795] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3794] <... setpgid resumed>) = 0 [pid 3795] <... prctl resumed>) = 0 [pid 3795] setpgid(0, 0) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3795] <... openat resumed>) = 3 [pid 309] umount2("./702/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3795] write(3, "1000", 4) = 4 executing program [pid 3795] close(3) = 0 [pid 3795] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3795] write(1, "executing program\n", 18) = 18 [pid 3794] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./702/binderfs" [pid 3795] mkdirat(AT_FDCWD, "./config", 0777 [pid 3796] set_robust_list(0x55556c898760, 24 [pid 3795] <... mkdirat resumed>) = 0 [pid 3794] write(3, "1000", 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3795] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] unlink("./702/binderfs" [pid 3796] <... set_robust_list resumed>) = 0 [pid 3795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3794] <... write resumed>) = 4 [pid 3795] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3795] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3795] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3795] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3795] exit_group(0) = ? [pid 3796] rt_sigprocmask(SIG_SETMASK, [] [pid 3795] +++ exited with 0 +++ [pid 3794] close(3 [pid 309] <... unlink resumed>) = 0 [pid 3794] <... close resumed>) = 0 [pid 309] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3796] chdir("./718") = 0 [pid 3796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3796] setpgid(0, 0) = 0 [pid 3796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3796] write(3, "1000", 4) = 4 [pid 3796] close(3) = 0 [pid 3796] symlink("/dev/binderfs", "./binderfs" [pid 3794] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 3796] <... symlink resumed>) = 0 [pid 3796] write(1, "executing program\n", 18) = 18 executing program [pid 3796] mkdirat(AT_FDCWD, "./config", 0777 [pid 3794] <... symlink resumed>) = 0 [pid 309] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 3794] write(1, "executing program\n", 18 [pid 3796] <... mkdirat resumed>) = 0 [pid 3794] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3796] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3794] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] newfstatat(AT_FDCWD, "./702/config" [pid 3796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3794] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3796] <... mkdirat resumed>) = 0 [pid 3794] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3796] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3794] <... mount resumed>) = 0 [pid 3796] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3796] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] openat(AT_FDCWD, "./702/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3796] <... unlinkat resumed>) = 0 [pid 3794] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 3794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] fstat(4 [pid 3796] exit_group(0 [pid 3794] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(4 [pid 308] umount2("./711", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3796] <... exit_group resumed>) = ? [pid 3796] +++ exited with 0 +++ [pid 3794] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... restart_syscall resumed>) = 0 [pid 3794] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3796, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 308] openat(AT_FDCWD, "./711", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3794] <... symlinkat resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3794] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] umount2("./686", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3794] <... unlinkat resumed>) = 0 [pid 309] close(4 [pid 308] fstat(3 [pid 307] openat(AT_FDCWD, "./686", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3794] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3794] <... unlinkat resumed>) = 0 [pid 309] rmdir("./702/config" [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 3794] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./686/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./686/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 3794] <... exit_group resumed>) = ? [pid 308] umount2("./711/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 307] unlink("./686/binderfs") = 0 [pid 307] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 307] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3794] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./686/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(3 [pid 308] newfstatat(AT_FDCWD, "./711/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 307] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./686/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./702" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./718", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 308] unlink("./711/binderfs" [pid 307] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./703", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] openat(AT_FDCWD, "./718", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 310] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 307] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 307] rmdir("./686/config" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 310] umount2("./718/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./718/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 310] unlink("./718/binderfs" [pid 307] rmdir("./686" [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 310] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3797 [pid 308] newfstatat(AT_FDCWD, "./711/config" [pid 307] mkdir("./687", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./718/config" [pid 308] openat(AT_FDCWD, "./711/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3798 [pid 308] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./718/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] getdents64(4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./718/config" [pid 308] close(4ci2-android-6-1/strace-static-x86_64: Process 3798 attached [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 308] rmdir("./711/config" [pid 310] rmdir("./718") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] mkdir("./719", 0777 [pid 3798] set_robust_list(0x55556c898760, 24 [pid 310] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3798] <... set_robust_list resumed>) = 0 [pid 308] close(3ci2-android-6-1/strace-static-x86_64: Process 3799 attached ci2-android-6-1/strace-static-x86_64: Process 3797 attached [pid 306] <... restart_syscall resumed>) = 0 [pid 3799] set_robust_list(0x55556c898760, 24 [pid 3797] set_robust_list(0x55556c898760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3799 [pid 308] <... close resumed>) = 0 [pid 3799] <... set_robust_list resumed>) = 0 [pid 3797] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./711" [pid 3799] rt_sigprocmask(SIG_SETMASK, [] [pid 3798] rt_sigprocmask(SIG_SETMASK, [] [pid 3797] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./663", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3799] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3797] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3799] chdir("./719" [pid 3797] chdir("./703" [pid 308] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./663", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3799] <... chdir resumed>) = 0 [pid 3798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3797] <... chdir resumed>) = 0 [pid 308] mkdir("./712", 0777 [pid 306] <... openat resumed>) = 3 [pid 3799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3797] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] fstat(3 [pid 3799] <... prctl resumed>) = 0 [pid 3797] <... prctl resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3799] setpgid(0, 0 [pid 3797] setpgid(0, 0 [pid 306] getdents64(3 [pid 3799] <... setpgid resumed>) = 0 [pid 3797] <... setpgid resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3798] chdir("./687" [pid 3797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./663/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3799] <... openat resumed>) = 3 [pid 3798] <... chdir resumed>) = 0 [pid 3797] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3799] write(3, "1000", 4 [pid 3797] write(3, "1000", 4 [pid 306] newfstatat(AT_FDCWD, "./663/binderfs" [pid 3799] <... write resumed>) = 4 [pid 3797] <... write resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3799] close(3 [pid 3797] close(3 [pid 306] unlink("./663/binderfs" [pid 3799] <... close resumed>) = 0 [pid 3797] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 3799] symlink("/dev/binderfs", "./binderfs" [pid 3797] symlink("/dev/binderfs", "./binderfs" [pid 306] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3800 attached [pid 3799] <... symlink resumed>) = 0 [pid 3798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3797] <... symlink resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 executing program [pid 3799] write(1, "executing program\n", 18 [pid 3797] write(1, "executing program\n", 18 [pid 306] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3799] <... write resumed>) = 18 [pid 3797] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3799] mkdirat(AT_FDCWD, "./config", 0777 [pid 3797] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] newfstatat(AT_FDCWD, "./663/config" [pid 3800] set_robust_list(0x55556c898760, 24 [pid 3799] <... mkdirat resumed>) = 0 [pid 3798] <... prctl resumed>) = 0 [pid 3797] <... mkdirat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3800 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3799] mount(NULL, "./config", "configfs", 0, NULL [pid 3797] mount(NULL, "./config", "configfs", 0, NULL [pid 306] umount2("./663/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3800] <... set_robust_list resumed>) = 0 [pid 3799] <... mount resumed>) = 0 [pid 3798] setpgid(0, 0 [pid 3797] <... mount resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./663/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3799] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3797] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... openat resumed>) = 4 [pid 3799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3798] <... setpgid resumed>) = 0 [pid 3797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] fstat(4 [pid 3799] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3797] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(4 [pid 3800] rt_sigprocmask(SIG_SETMASK, [] [pid 3799] <... mkdirat resumed>) = 0 [pid 3798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3797] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3799] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3797] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(4 [pid 3799] <... symlinkat resumed>) = 0 [pid 3797] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3799] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3797] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] close(4 [pid 3799] <... unlinkat resumed>) = 0 [pid 3797] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... close resumed>) = 0 [pid 3799] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3797] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] rmdir("./663/config" [pid 3800] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3799] <... unlinkat resumed>) = 0 [pid 3798] <... openat resumed>) = 3 [pid 3797] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... rmdir resumed>) = 0 [pid 3799] exit_group(0 [pid 3798] write(3, "1000", 4 [pid 3797] exit_group(0 [pid 306] getdents64(3 [pid 3799] <... exit_group resumed>) = ? [pid 3797] <... exit_group resumed>) = ? [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3800] chdir("./712" [pid 3799] +++ exited with 0 +++ [pid 3798] <... write resumed>) = 4 [pid 3797] +++ exited with 0 +++ [pid 306] close(3 [pid 3798] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 3798] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./663" [pid 3800] <... chdir resumed>) = 0 [pid 3798] symlink("/dev/binderfs", "./binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./664", 0777 [pid 3800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3798] <... symlink resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3800] <... prctl resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3800] setpgid(0, 0 [pid 3798] write(1, "executing program\n", 18 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3800] <... setpgid resumed>) = 0 executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3798] <... write resumed>) = 18 ci2-android-6-1/strace-static-x86_64: Process 3801 attached [pid 3800] <... openat resumed>) = 3 [pid 3798] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3801 [pid 3800] write(3, "1000", 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3800] <... write resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3800] close(3) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 3800] symlink("/dev/binderfs", "./binderfs" [pid 3798] <... mkdirat resumed>) = 0 executing program [pid 3801] set_robust_list(0x55556c898760, 24 [pid 3800] <... symlink resumed>) = 0 [pid 3798] mount(NULL, "./config", "configfs", 0, NULL [pid 3800] write(1, "executing program\n", 18 [pid 310] umount2("./719", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3800] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3800] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] openat(AT_FDCWD, "./719", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3801] <... set_robust_list resumed>) = 0 [pid 3800] <... mkdirat resumed>) = 0 [pid 3798] <... mount resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 3800] mount(NULL, "./config", "configfs", 0, NULL [pid 3798] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] fstat(3 [pid 3800] <... mount resumed>) = 0 [pid 3798] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(3 [pid 3800] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3798] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3801] rt_sigprocmask(SIG_SETMASK, [] [pid 3800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3798] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./719/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3801] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3800] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3798] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3801] chdir("./664" [pid 3800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] newfstatat(AT_FDCWD, "./719/binderfs" [pid 3801] <... chdir resumed>) = 0 [pid 3800] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3798] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3801] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3800] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3798] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] unlink("./719/binderfs" [pid 3801] <... prctl resumed>) = 0 [pid 3800] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3798] <... symlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 3801] setpgid(0, 0 [pid 3800] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3798] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3801] <... setpgid resumed>) = 0 [pid 3800] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3798] <... unlinkat resumed>) = 0 [pid 3801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = 0 [pid 3798] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3801] <... openat resumed>) = 3 [pid 3800] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3801] write(3, "1000", 4 [pid 3800] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3798] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3801] <... write resumed>) = 4 [pid 3800] exit_group(0 [pid 3798] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./719/config" [pid 3801] close(3 [pid 3800] <... exit_group resumed>) = ? [pid 3798] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3801] <... close resumed>) = 0 [pid 3800] +++ exited with 0 +++ [pid 3798] +++ exited with 0 +++ [pid 310] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3801] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3801] <... symlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./719/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3801] write(1, "executing program\n", 18 [pid 310] <... openat resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3801] <... write resumed>) = 18 executing program [pid 310] fstat(4 [pid 3801] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3801] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 3801] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3801] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 3801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3801] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 3801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 308] umount2("./712", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3801] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./719/config" [pid 3801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3801] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 3801] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./712", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3801] <... symlinkat resumed>) = 0 [pid 310] close(3 [pid 3801] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 3801] <... unlinkat resumed>) = 0 [pid 310] rmdir("./719" [pid 308] fstat(3 [pid 3801] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 3801] <... unlinkat resumed>) = 0 [pid 310] mkdir("./720", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3801] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 3801] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3801] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./703", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./712/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 3802 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3802 [pid 309] openat(AT_FDCWD, "./703", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./712/binderfs" [pid 307] umount2("./687", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3802] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3802] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 308] unlink("./712/binderfs" [pid 307] openat(AT_FDCWD, "./687", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3802] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 3802] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 308] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 306] umount2("./664", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3802] chdir("./720" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3802] <... chdir resumed>) = 0 [pid 309] umount2("./703/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 306] openat(AT_FDCWD, "./664", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3802] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 3 [pid 3802] <... prctl resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./703/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./687/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 3802] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./712/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3802] <... setpgid resumed>) = 0 [pid 309] unlink("./703/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./687/binderfs" [pid 306] getdents64(3 [pid 3802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3802] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./687/binderfs" [pid 306] umount2("./664/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3802] write(3, "1000", 4 [pid 309] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3802] <... write resumed>) = 4 [pid 307] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./664/binderfs" [pid 3802] close(3 [pid 309] <... umount2 resumed>) = 0 [pid 308] openat(AT_FDCWD, "./712/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3802] <... close resumed>) = 0 [pid 309] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./664/binderfs" [pid 3802] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 3802] <... symlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./703/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./687/config" [pid 306] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3802] write(1, "executing program\n", 18 executing program [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3802] <... write resumed>) = 18 [pid 309] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3802] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3802] <... mkdirat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./687/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./664/config" [pid 3802] mount(NULL, "./config", "configfs", 0, NULL [pid 309] openat(AT_FDCWD, "./703/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3802] <... mount resumed>) = 0 [pid 308] close(4 [pid 307] fstat(4 [pid 306] umount2("./664/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(4 [pid 308] rmdir("./712/config" [pid 307] getdents64(4 [pid 306] openat(AT_FDCWD, "./664/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 4 [pid 3802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 306] fstat(4 [pid 3802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3802] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 306] getdents64(4 [pid 3802] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 307] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3802] <... symlinkat resumed>) = 0 [pid 309] close(4 [pid 308] <... close resumed>) = 0 [pid 307] rmdir("./687/config" [pid 306] getdents64(4 [pid 3802] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./712" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3802] <... unlinkat resumed>) = 0 [pid 309] rmdir("./703/config" [pid 307] getdents64(3 [pid 306] close(4 [pid 3802] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 3802] <... unlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 306] rmdir("./664/config" [pid 3802] exit_group(0 [pid 309] getdents64(3 [pid 308] mkdir("./713", 0777 [pid 307] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3802] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./687" [pid 306] getdents64(3 [pid 3802] +++ exited with 0 +++ [pid 309] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3802, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] mkdir("./688", 0777 [pid 306] close(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./703" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./664" [pid 309] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] mkdir("./704", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] mkdir("./665", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3803 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3804 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 3803 attached [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./720", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./720", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3805 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3806 [pid 310] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./720/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./720/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./720/binderfs" [pid 3803] set_robust_list(0x55556c898760, 24 [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3805 attached ) = 0 [pid 310] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./720/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./720/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./720/config" [pid 3803] <... set_robust_list resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./720") = 0 [pid 3803] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./721", 0777 [pid 3803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3803] chdir("./713" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3807 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3805] set_robust_list(0x55556c898760, 24 [pid 3803] <... chdir resumed>) = 0 [pid 3805] <... set_robust_list resumed>) = 0 [pid 3805] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3805] chdir("./704") = 0 [pid 3803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3805] setpgid(0, 0) = 0 [pid 3805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3803] <... prctl resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3807 attached [pid 3807] set_robust_list(0x55556c898760, 24 [pid 3805] <... openat resumed>) = 3 [pid 3803] setpgid(0, 0 [pid 3805] write(3, "1000", 4) = 4 [pid 3805] close(3) = 0 ci2-android-6-1/strace-static-x86_64: Process 3804 attached [pid 3805] symlink("/dev/binderfs", "./binderfs" [pid 3807] <... set_robust_list resumed>) = 0 [pid 3805] <... symlink resumed>) = 0 [pid 3803] <... setpgid resumed>) = 0 [pid 3804] set_robust_list(0x55556c898760, 24) = 0 [pid 3804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3805] write(1, "executing program\n", 18 [pid 3804] chdir("./688" [pid 3805] <... write resumed>) = 18 [pid 3804] <... chdir resumed>) = 0 executing program [pid 3805] mkdirat(AT_FDCWD, "./config", 0777 [pid 3804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3805] <... mkdirat resumed>) = 0 [pid 3804] <... prctl resumed>) = 0 [pid 3804] setpgid(0, 0 [pid 3803] <... openat resumed>) = 3 [pid 3804] <... setpgid resumed>) = 0 [pid 3803] write(3, "1000", 4ci2-android-6-1/strace-static-x86_64: Process 3806 attached [pid 3805] mount(NULL, "./config", "configfs", 0, NULL [pid 3804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3803] <... write resumed>) = 4 [pid 3807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3806] set_robust_list(0x55556c898760, 24 [pid 3805] <... mount resumed>) = 0 [pid 3804] <... openat resumed>) = 3 [pid 3803] close(3 [pid 3806] <... set_robust_list resumed>) = 0 [pid 3805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3804] write(3, "1000", 4 [pid 3807] chdir("./721" [pid 3806] rt_sigprocmask(SIG_SETMASK, [] [pid 3805] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3804] <... write resumed>) = 4 [pid 3803] <... close resumed>) = 0 [pid 3806] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3804] close(3 [pid 3803] symlink("/dev/binderfs", "./binderfs" [pid 3806] chdir("./665" [pid 3805] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3804] <... close resumed>) = 0 [pid 3806] <... chdir resumed>) = 0 [pid 3805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3804] symlink("/dev/binderfs", "./binderfs" [pid 3807] <... chdir resumed>) = 0 [pid 3806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3805] <... mkdirat resumed>) = 0 [pid 3804] <... symlink resumed>) = 0 [pid 3803] <... symlink resumed>) = 0 [pid 3806] <... prctl resumed>) = 0 [pid 3805] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3804] write(1, "executing program\n", 18 [pid 3806] setpgid(0, 0 [pid 3805] <... symlinkat resumed>) = 0 [pid 3804] <... write resumed>) = 18 [pid 3806] <... setpgid resumed>) = 0 [pid 3805] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 3804] mkdirat(AT_FDCWD, "./config", 0777 [pid 3807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3805] <... unlinkat resumed>) = 0 [pid 3804] <... mkdirat resumed>) = 0 [pid 3803] write(1, "executing program\n", 18 [pid 3807] <... prctl resumed>) = 0 executing program [pid 3807] setpgid(0, 0 [pid 3806] <... openat resumed>) = 3 [pid 3805] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3804] mount(NULL, "./config", "configfs", 0, NULL [pid 3803] <... write resumed>) = 18 [pid 3807] <... setpgid resumed>) = 0 [pid 3806] write(3, "1000", 4 [pid 3805] <... unlinkat resumed>) = 0 [pid 3804] <... mount resumed>) = 0 [pid 3803] mkdirat(AT_FDCWD, "./config", 0777 [pid 3807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3806] <... write resumed>) = 4 [pid 3805] exit_group(0 [pid 3804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3806] close(3 [pid 3805] <... exit_group resumed>) = ? [pid 3804] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3807] <... openat resumed>) = 3 [pid 3806] <... close resumed>) = 0 [pid 3805] +++ exited with 0 +++ [pid 3804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3803] <... mkdirat resumed>) = 0 [pid 3807] write(3, "1000", 4 [pid 3806] symlink("/dev/binderfs", "./binderfs" [pid 3804] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3803] mount(NULL, "./config", "configfs", 0, NULL [pid 3807] <... write resumed>) = 4 [pid 3806] <... symlink resumed>) = 0 [pid 3804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3807] close(3 [pid 3806] write(1, "executing program\n", 18 [pid 3804] <... mkdirat resumed>) = 0 [pid 3803] <... mount resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3807] <... close resumed>) = 0 [pid 3806] <... write resumed>) = 18 [pid 3804] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" executing program [pid 3803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3807] symlink("/dev/binderfs", "./binderfs" [pid 3806] mkdirat(AT_FDCWD, "./config", 0777 [pid 3804] <... symlinkat resumed>) = 0 [pid 3803] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 3807] <... symlink resumed>) = 0 [pid 3806] <... mkdirat resumed>) = 0 [pid 3804] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3807] write(1, "executing program\n", 18 [pid 3806] mount(NULL, "./config", "configfs", 0, NULL [pid 3804] <... unlinkat resumed>) = 0 executing program [pid 3807] <... write resumed>) = 18 [pid 3806] <... mount resumed>) = 0 [pid 3804] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3803] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./704", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3804] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3804] exit_group(0 [pid 3803] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./704", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3807] mkdirat(AT_FDCWD, "./config", 0777 [pid 3803] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... openat resumed>) = 3 [pid 3806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3804] <... exit_group resumed>) = ? [pid 309] fstat(3 [pid 3807] <... mkdirat resumed>) = 0 [pid 3806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3804] +++ exited with 0 +++ [pid 3803] <... symlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3807] mount(NULL, "./config", "configfs", 0, NULL [pid 3806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3803] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3806] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3807] <... mount resumed>) = 0 [pid 3806] <... symlinkat resumed>) = 0 [pid 3803] <... unlinkat resumed>) = 0 [pid 309] umount2("./704/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3806] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3803] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3806] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3806] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3806] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3803] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./704/binderfs" [pid 3806] exit_group(0) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3806] +++ exited with 0 +++ [pid 3803] exit_group(0 [pid 309] unlink("./704/binderfs" [pid 3803] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3806, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 3803] +++ exited with 0 +++ [pid 309] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./704/config" [pid 3807] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3807] <... symlinkat resumed>) = 0 [pid 309] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3807] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3807] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./704/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3807] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... openat resumed>) = 4 [pid 3807] exit_group(0 [pid 309] fstat(4 [pid 3807] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3807] +++ exited with 0 +++ [pid 309] getdents64(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./704/config") = 0 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./704") = 0 [pid 309] mkdir("./705", 0777) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c898750) = 3808 ci2-android-6-1/strace-static-x86_64: Process 3808 attached [pid 3808] set_robust_list(0x55556c898760, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3808] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3808] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3808] chdir("./705") = 0 [pid 3808] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3808] setpgid(0, 0) = 0 [pid 3808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3808] write(3, "1000", 4) = 4 [pid 3808] close(3) = 0 [pid 3808] symlink("/dev/binderfs", "./binderfs" [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3808] <... symlink resumed>) = 0 [pid 307] umount2("./688", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 3808] write(1, "executing program\n", 18 [pid 308] umount2("./713", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3808] <... write resumed>) = 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./688", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./713", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3808] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... openat resumed>) = 3 executing program [pid 306] umount2("./665", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3808] <... mkdirat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3808] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./665", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 3808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./688/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./713/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] newfstatat(AT_FDCWD, "./713/binderfs" [pid 306] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./688/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] unlink("./713/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./665/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3808] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 3808] <... mkdirat resumed>) = 0 [pid 308] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./688/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3808] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] newfstatat(AT_FDCWD, "./665/binderfs" [pid 3808] <... symlinkat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 308] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./665/binderfs" [pid 3808] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 3808] <... unlinkat resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 3808] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] newfstatat(AT_FDCWD, "./713/config" [pid 307] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./721", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3808] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./688/config" [pid 306] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./721", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3808] exit_group(0 [pid 310] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./713/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 308] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./665/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(4 [pid 307] openat(AT_FDCWD, "./688/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3808] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(4 [pid 307] fstat(4 [pid 306] umount2("./665/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3808] +++ exited with 0 +++ [pid 310] umount2("./721/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 307] getdents64(4 [pid 306] openat(AT_FDCWD, "./665/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./721/binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(4 [pid 307] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 310] unlink("./721/binderfs" [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(4 [pid 310] <... unlink resumed>) = 0 [pid 308] rmdir("./713/config" [pid 307] close(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 310] <... umount2 resumed>) = 0 [pid 308] getdents64(3 [pid 307] rmdir("./688/config" [pid 310] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 307] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./721/config" [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rmdir("./713" [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./688" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 310] openat(AT_FDCWD, "./721/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./714", 0777 [pid 307] mkdir("./689", 0777 [pid 310] <... openat resumed>) = 4 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] fstat(4 [pid 308] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./665/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3809 [pid 306] getdents64(3 [pid 310] getdents64(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3809 attached [pid 3809] set_robust_list(0x55556c898760, 24) = 0 [pid 3809] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] umount2("./705", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3810 [pid 306] close(3 [pid 310] close(4 [pid 309] openat(AT_FDCWD, "./705", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 309] fstat(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./721/config" [pid 306] rmdir("./665" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3809] chdir("./689") = 0 [pid 3809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 3809] <... prctl resumed>) = 0 [pid 3809] setpgid(0, 0) = 0 [pid 3809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./666", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3809] <... openat resumed>) = 3 [pid 3809] write(3, "1000", 4) = 4 [pid 3809] close(3 [pid 306] <... mkdir resumed>) = 0 [pid 309] umount2("./705/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./721" [pid 309] newfstatat(AT_FDCWD, "./705/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3809] <... close resumed>) = 0 [pid 3809] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./722", 0777 [pid 309] unlink("./705/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3809] <... symlink resumed>) = 0 [pid 3809] write(1, "executing program\n", 18) = 18 [pid 310] <... mkdir resumed>) = 0 [pid 3809] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... unlink resumed>) = 0 [pid 3809] <... mkdirat resumed>) = 0 [pid 3809] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3811 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3812 [pid 309] newfstatat(AT_FDCWD, "./705/config" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./705/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3809] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 3809] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 3809] <... symlinkat resumed>) = 0 [pid 3809] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3809] <... unlinkat resumed>) = 0 [pid 309] close(4 [pid 3809] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-6-1/strace-static-x86_64: Process 3812 attached ) = 0 [pid 309] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3811 attached [pid 309] rmdir("./705/config" [pid 3809] exit_group(0) = ? [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3812] set_robust_list(0x55556c898760, 24 [pid 3811] set_robust_list(0x55556c898760, 24 [pid 3809] +++ exited with 0 +++ [pid 309] close(3) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./705" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3810 attached [pid 3810] set_robust_list(0x55556c898760, 24) = 0 [pid 3810] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3810] chdir("./714" [pid 309] mkdir("./706", 0777 [pid 3810] <... chdir resumed>) = 0 [pid 3810] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3810] setpgid(0, 0) = 0 [pid 3810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3812] <... set_robust_list resumed>) = 0 [pid 3811] <... set_robust_list resumed>) = 0 [pid 3810] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3810] write(3, "1000", 4) = 4 [pid 3810] close(3) = 0 [pid 3810] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3810] write(1, "executing program\n", 18) = 18 [pid 3810] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3810] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3813 [pid 3810] <... mount resumed>) = 0 executing program [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3810] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3810] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3812] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3810] <... symlinkat resumed>) = 0 [pid 3811] rt_sigprocmask(SIG_SETMASK, [] [pid 3810] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3810] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3812] chdir("./722" [pid 3810] <... unlinkat resumed>) = 0 [pid 3812] <... chdir resumed>) = 0 [pid 3810] exit_group(0) = ? [pid 3812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3811] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3812] <... prctl resumed>) = 0 [pid 3811] chdir("./666" [pid 3812] setpgid(0, 0 [pid 3811] <... chdir resumed>) = 0 [pid 3810] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3813 attached [pid 3813] set_robust_list(0x55556c898760, 24) = 0 [pid 3813] rt_sigprocmask(SIG_SETMASK, [] [pid 3812] <... setpgid resumed>) = 0 [pid 3811] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... restart_syscall resumed>) = 0 [pid 3813] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3813] chdir("./706" [pid 3811] <... prctl resumed>) = 0 [pid 307] umount2("./689", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3811] setpgid(0, 0 [pid 307] openat(AT_FDCWD, "./689", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3811] <... setpgid resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 3812] <... openat resumed>) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3812] write(3, "1000", 4 [pid 307] getdents64(3 [pid 3812] <... write resumed>) = 4 [pid 3813] <... chdir resumed>) = 0 [pid 3813] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3812] close(3 [pid 3811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./689/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3812] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3813] <... prctl resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./689/binderfs" [pid 3812] symlink("/dev/binderfs", "./binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] unlink("./689/binderfs" [pid 3813] setpgid(0, 0 [pid 307] <... unlink resumed>) = 0 [pid 3813] <... setpgid resumed>) = 0 [pid 307] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./714", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 308] openat(AT_FDCWD, "./714", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 307] newfstatat(AT_FDCWD, "./689/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 307] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3812] <... symlink resumed>) = 0 [pid 308] umount2("./714/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./689/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3812] write(1, "executing program\n", 18 [pid 308] newfstatat(AT_FDCWD, "./714/binderfs" [pid 307] <... openat resumed>) = 4 executing program [pid 3813] <... openat resumed>) = 3 [pid 3812] <... write resumed>) = 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(4 [pid 308] unlink("./714/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3811] <... openat resumed>) = 3 [pid 3811] write(3, "1000", 4) = 4 [pid 3811] close(3) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] getdents64(4 [pid 3812] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./714/config" [pid 307] rmdir("./689/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3813] write(3, "1000", 4 [pid 3811] symlink("/dev/binderfs", "./binderfs" [pid 3813] <... write resumed>) = 4 [pid 3811] <... symlink resumed>) = 0 [pid 308] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 308] openat(AT_FDCWD, "./714/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3813] close(3 [pid 308] <... openat resumed>) = 4 [pid 307] close(3 [pid 308] fstat(4 [pid 3813] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rmdir("./689" [pid 3813] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(4 [pid 3813] <... symlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3811] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 307] mkdir("./690", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3811] <... write resumed>) = 18 [pid 3811] mkdirat(AT_FDCWD, "./config", 0777 [pid 3813] write(1, "executing program\n", 18) = 18 [pid 3813] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] close(4 [pid 307] <... mkdir resumed>) = 0 executing program executing program [pid 3811] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./714/config" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3811] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rmdir resumed>) = 0 [pid 3811] <... mount resumed>) = 0 [pid 308] getdents64(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3811] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3813] <... mkdirat resumed>) = 0 [pid 3812] <... mkdirat resumed>) = 0 [pid 308] close(3 [pid 3811] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3814 [pid 308] rmdir("./714" [pid 3811] <... symlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3813] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3812] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] mkdir("./715", 0777 [pid 3811] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3811] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3813] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3811] <... unlinkat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 3813] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3812] <... mount resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3813] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3813] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3812] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3811] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3814 attached [pid 3813] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3811] <... exit_group resumed>) = ? [pid 3814] set_robust_list(0x55556c898760, 24 [pid 3813] <... mkdirat resumed>) = 0 [pid 3812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3811] +++ exited with 0 +++ [pid 3813] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3812] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3815 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3811, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3812] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3813] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3812] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3813] <... unlinkat resumed>) = 0 [pid 3813] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3813] exit_group(0 [pid 3812] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3813] <... exit_group resumed>) = ? [pid 3814] <... set_robust_list resumed>) = 0 [pid 3813] +++ exited with 0 +++ [pid 3812] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-6-1/strace-static-x86_64: Process 3815 attached ) = -1 ENOENT (No such file or directory) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3815] set_robust_list(0x55556c898760, 24 [pid 3812] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3815] <... set_robust_list resumed>) = 0 [pid 3815] rt_sigprocmask(SIG_SETMASK, [] [pid 3812] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3815] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3814] rt_sigprocmask(SIG_SETMASK, [] [pid 3815] chdir("./715") = 0 [pid 3812] exit_group(0 [pid 3815] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3815] setpgid(0, 0) = 0 [pid 3815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3814] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3812] <... exit_group resumed>) = ? [pid 3815] <... openat resumed>) = 3 [pid 3815] write(3, "1000", 4) = 4 [pid 3815] close(3) = 0 [pid 3815] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3815] write(1, "executing program\n", 18) = 18 executing program [pid 3815] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3812] +++ exited with 0 +++ [pid 3815] mount(NULL, "./config", "configfs", 0, NULL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3812, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3815] <... mount resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3815] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3815] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3815] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3815] exit_group(0) = ? [pid 3815] +++ exited with 0 +++ [pid 3814] chdir("./690") = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3814] <... prctl resumed>) = 0 [pid 3814] setpgid(0, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3814] <... setpgid resumed>) = 0 [pid 3814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./722", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./666", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3814] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./722", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./666", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3814] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 306] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 306] getdents64(3 [pid 3814] <... write resumed>) = 4 [pid 3814] close(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./722/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./666/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./722/binderfs" [pid 306] newfstatat(AT_FDCWD, "./666/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./722/binderfs" [pid 306] unlink("./666/binderfs" [pid 3814] <... close resumed>) = 0 [pid 3814] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 3814] write(1, "executing program\n", 18 [pid 310] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3814] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 306] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./722/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./666/config" [pid 310] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3814] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] openat(AT_FDCWD, "./722/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./666/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3814] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 306] openat(AT_FDCWD, "./666/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3814] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 306] fstat(4 [pid 3814] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 310] close(4 [pid 3814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 310] rmdir("./722/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3814] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 310] getdents64(3 [pid 3814] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 310] close(3 [pid 306] rmdir("./666/config" [pid 310] <... close resumed>) = 0 [pid 3814] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3814] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] rmdir("./722" [pid 306] <... rmdir resumed>) = 0 [pid 3814] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3814] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] getdents64(3 [pid 310] mkdir("./723", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3814] <... exit_group resumed>) = ? [pid 3814] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 306] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./706", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./715", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./666" [pid 309] openat(AT_FDCWD, "./706", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] openat(AT_FDCWD, "./715", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 3816 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3816 [pid 309] umount2("./706/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 3816] set_robust_list(0x55556c898760, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./706/binderfs" [pid 306] mkdir("./667", 0777 [pid 3816] <... set_robust_list resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] unlink("./706/binderfs") = 0 [pid 309] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 3816] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... mkdir resumed>) = 0 [pid 309] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3816] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./706/config" [pid 308] umount2("./715/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3816] chdir("./723" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3816] <... chdir resumed>) = 0 [pid 309] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./715/binderfs" [pid 309] openat(AT_FDCWD, "./706/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./706/config" [pid 3816] <... prctl resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 308] unlink("./715/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3817 [pid 3816] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./706" [pid 3816] <... setpgid resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] mkdir("./707", 0777 [pid 308] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3816] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3818 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3816] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] newfstatat(AT_FDCWD, "./715/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3816] <... write resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 3817 attached [pid 308] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3816] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3816] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./715/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3817] set_robust_list(0x55556c898760, 24) = 0 ci2-android-6-1/strace-static-x86_64: Process 3818 attached [pid 3816] symlink("/dev/binderfs", "./binderfs" [pid 308] <... openat resumed>) = 4 [pid 3817] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(4 [pid 3817] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3817] chdir("./667" [pid 3816] <... symlink resumed>) = 0 [pid 308] getdents64(4 [pid 3817] <... chdir resumed>) = 0 [pid 3816] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 3816] <... write resumed>) = 18 executing program [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] close(4 [pid 3817] <... prctl resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3816] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rmdir("./715/config" [pid 3817] setpgid(0, 0) = 0 [pid 3817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 3817] write(3, "1000", 4) = 4 [pid 3817] close(3) = 0 [pid 3817] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3816] <... mkdirat resumed>) = 0 [pid 308] getdents64(3 [pid 3817] write(1, "executing program\n", 18 executing program [pid 3816] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3817] <... write resumed>) = 18 [pid 308] close(3 [pid 3817] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3817] <... mkdirat resumed>) = 0 [pid 3816] <... mount resumed>) = 0 [pid 308] rmdir("./715" [pid 3818] set_robust_list(0x55556c898760, 24 [pid 3817] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 3817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] mkdir("./716", 0777 [pid 3816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3817] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... mkdir resumed>) = 0 [pid 3816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./690", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3817] <... symlinkat resumed>) = 0 [pid 3816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] openat(AT_FDCWD, "./690", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3817] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3817] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3817] exit_group(0) = ? [pid 3818] <... set_robust_list resumed>) = 0 [pid 3817] +++ exited with 0 +++ [pid 3816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3819 [pid 307] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3817, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3819 attached [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./690/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3819] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3816] <... mkdirat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./690/binderfs" [pid 3819] <... set_robust_list resumed>) = 0 [pid 3816] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3819] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./690/binderfs" [pid 3816] <... symlinkat resumed>) = 0 [pid 3819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3819] chdir("./716" [pid 3816] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... unlink resumed>) = 0 [pid 3819] <... chdir resumed>) = 0 [pid 307] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3816] <... unlinkat resumed>) = 0 [pid 3819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3818] rt_sigprocmask(SIG_SETMASK, [] [pid 3816] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... umount2 resumed>) = 0 [pid 3819] setpgid(0, 0 [pid 307] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3819] <... setpgid resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3816] <... unlinkat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./690/config" [pid 3818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3819] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3816] exit_group(0 [pid 307] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3818] chdir("./707" [pid 3816] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3818] <... chdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./690/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3818] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... openat resumed>) = 4 [pid 3818] <... prctl resumed>) = 0 [pid 307] fstat(4 [pid 3818] setpgid(0, 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3819] write(3, "1000", 4 [pid 307] getdents64(4 [pid 3818] <... setpgid resumed>) = 0 [pid 3818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3819] <... write resumed>) = 4 [pid 307] getdents64(4 [pid 3819] close(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3819] <... close resumed>) = 0 [pid 307] close(4 [pid 3816] +++ exited with 0 +++ [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./690/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3819] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rmdir resumed>) = 0 [pid 3818] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 3818] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3818] <... write resumed>) = 4 [pid 307] close(3 [pid 3818] close(3 [pid 307] <... close resumed>) = 0 [pid 3818] <... close resumed>) = 0 [pid 307] rmdir("./690" [pid 3818] symlink("/dev/binderfs", "./binderfs" [pid 3819] write(1, "executing program\n", 18 [pid 3818] <... symlink resumed>) = 0 [pid 3819] <... write resumed>) = 18 [pid 3819] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 executing program [pid 3819] <... mkdirat resumed>) = 0 [pid 307] mkdir("./691", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 3818] write(1, "executing program\n", 18) = 18 [pid 3818] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... mkdir resumed>) = 0 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] umount2("./667", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3819] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3818] mount(NULL, "./config", "configfs", 0, NULL [pid 3819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3818] <... mount resumed>) = 0 [pid 306] openat(AT_FDCWD, "./667", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3820 [pid 3819] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3819] <... mkdirat resumed>) = 0 [pid 3818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(3 [pid 3819] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3819] <... symlinkat resumed>) = 0 [pid 3818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./667/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3819] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3819] <... unlinkat resumed>) = 0 [pid 3818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] newfstatat(AT_FDCWD, "./667/binderfs" [pid 3819] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3818] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3819] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3818] <... symlinkat resumed>) = 0 [pid 306] unlink("./667/binderfs" [pid 3819] exit_group(0 [pid 3818] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3819] <... exit_group resumed>) = ? [pid 3818] <... unlinkat resumed>) = 0 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3820 attached [pid 3819] +++ exited with 0 +++ [pid 3818] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3818] <... unlinkat resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3818] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3818] <... exit_group resumed>) = ? [pid 306] newfstatat(AT_FDCWD, "./667/config" [pid 3820] set_robust_list(0x55556c898760, 24 [pid 3818] +++ exited with 0 +++ [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./667/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] openat(AT_FDCWD, "./667/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3820] <... set_robust_list resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 3820] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(4 [pid 3820] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3820] chdir("./691" [pid 306] getdents64(4 [pid 3820] <... chdir resumed>) = 0 [pid 3820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3820] <... prctl resumed>) = 0 [pid 306] getdents64(4 [pid 3820] setpgid(0, 0) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] close(4 [pid 3820] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 3820] write(3, "1000", 4 [pid 306] rmdir("./667/config" [pid 3820] <... write resumed>) = 4 [pid 3820] close(3) = 0 [pid 3820] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3820] write(1, "executing program\n", 18 [pid 306] getdents64(3 [pid 3820] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3820] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 306] close(3 [pid 3820] <... mkdirat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3820] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] rmdir("./667" [pid 308] umount2("./716", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./668", 0777 [pid 308] openat(AT_FDCWD, "./716", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3820] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... mkdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3820] <... symlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 3820] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3820] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3820] exit_group(0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3821 [pid 308] umount2("./716/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3820] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./723", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3820] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./716/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./723", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] unlink("./716/binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] fstat(3ci2-android-6-1/strace-static-x86_64: Process 3821 attached [pid 3821] set_robust_list(0x55556c898760, 24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3821] <... set_robust_list resumed>) = 0 [pid 310] getdents64(3 [pid 308] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3821] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = 0 [pid 310] umount2("./723/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./723/binderfs" [pid 308] newfstatat(AT_FDCWD, "./716/config" [pid 3821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3821] chdir("./668" [pid 310] unlink("./723/binderfs" [pid 308] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3821] <... chdir resumed>) = 0 [pid 3821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3821] setpgid(0, 0) = 0 [pid 310] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./716/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./723/config" [pid 308] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3821] <... openat resumed>) = 3 [pid 310] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3821] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3821] <... write resumed>) = 4 [pid 3821] close(3 [pid 310] openat(AT_FDCWD, "./723/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 309] umount2("./707", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./707", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] rmdir("./716/config" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3821] <... close resumed>) = 0 [pid 3821] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] getdents64(4 [pid 309] fstat(3 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 310] close(4 [pid 307] umount2("./691", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 3821] write(1, "executing program\n", 18) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./691", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 3821] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rmdir("./723/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] close(3 [pid 307] <... openat resumed>) = 3 [pid 3821] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./707/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] fstat(3 [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./716" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./707/binderfs" [pid 3821] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] close(3 [pid 309] unlink("./707/binderfs" [pid 308] mkdir("./717", 0777 [pid 307] umount2("./691/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 3821] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 310] rmdir("./723" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./691/binderfs" [pid 3821] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3821] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./724", 0777 [pid 309] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] unlink("./691/binderfs" [pid 3821] <... unlinkat resumed>) = 0 [pid 3821] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./707/config" [pid 307] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3821] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 3821] <... exit_group resumed>) = ? [pid 3821] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3822 attached [pid 3822] set_robust_list(0x55556c898760, 24) = 0 [pid 3822] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./707/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3822 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./691/config" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3823 [pid 309] fstat(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3821, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 307] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] openat(AT_FDCWD, "./691/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3822] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(4 [pid 307] <... openat resumed>) = 4 [pid 3822] chdir("./717" [pid 309] <... close resumed>) = 0 [pid 307] fstat(4 [pid 309] rmdir("./707/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3822] <... chdir resumed>) = 0 [pid 3822] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3822] setpgid(0, 0) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 309] getdents64(3 [pid 3822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] close(3 [pid 307] getdents64(4 [pid 3822] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./707" [pid 307] close(4 [pid 3822] write(3, "1000", 4) = 4 [pid 3822] close(3) = 0 [pid 3822] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] mkdir("./708", 0777 [pid 307] rmdir("./691/config" [pid 3822] <... symlink resumed>) = 0 [pid 3822] write(1, "executing program\n", 18) = 18 [pid 3822] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... mkdir resumed>) = 0 executing program [pid 3822] <... mkdirat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rmdir resumed>) = 0 [pid 3822] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3822] <... mount resumed>) = 0 [pid 3822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3822] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] close(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3824 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 3822] <... symlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./691" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3822] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3822] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./668", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./692", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3822] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 3824 attached [pid 3822] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./668", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3824] set_robust_list(0x55556c898760, 24 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 3823 attached [pid 3823] set_robust_list(0x55556c898760, 24) = 0 [pid 3823] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3823] chdir("./724") = 0 [pid 3823] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3825 [pid 3823] setpgid(0, 0 [pid 306] getdents64(3 [pid 3823] <... setpgid resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./668/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3824] <... set_robust_list resumed>) = 0 [pid 3823] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3823] write(3, "1000", 4) = 4 [pid 3823] close(3) = 0 [pid 306] newfstatat(AT_FDCWD, "./668/binderfs" [pid 3823] symlink("/dev/binderfs", "./binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3823] <... symlink resumed>) = 0 [pid 3824] rt_sigprocmask(SIG_SETMASK, [] [pid 306] unlink("./668/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3825 attached [pid 3825] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3825] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3825] chdir("./692") = 0 [pid 306] newfstatat(AT_FDCWD, "./668/config" [pid 3825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3825] <... prctl resumed>) = 0 [pid 306] umount2("./668/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3825] setpgid(0, 0) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] openat(AT_FDCWD, "./668/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3825] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 4 [pid 3825] write(3, "1000", 4) = 4 [pid 3825] close(3 [pid 306] fstat(4 [pid 3825] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3825] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(4 [pid 3825] <... symlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3825] write(1, "executing program\n", 18 [pid 306] getdents64(4 [pid 3825] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 3825] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] close(4 [pid 3825] <... mkdirat resumed>) = 0 [pid 3824] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3823] write(1, "executing program\n", 18 [pid 306] <... close resumed>) = 0 [pid 3825] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rmdir("./668/config" [pid 3825] <... mount resumed>) = 0 [pid 3825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 3825] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(3 [pid 3825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3825] <... mkdirat resumed>) = 0 [pid 306] close(3 [pid 3824] chdir("./708" [pid 3823] <... write resumed>) = 18 executing program [pid 3825] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... close resumed>) = 0 [pid 3824] <... chdir resumed>) = 0 [pid 306] rmdir("./668" [pid 3825] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3825] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3825] exit_group(0 [pid 306] mkdir("./669", 0777 [pid 3825] <... exit_group resumed>) = ? [pid 306] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3825] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./717", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3825, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3823] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] openat(AT_FDCWD, "./717", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3826 [pid 3823] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3823] <... mount resumed>) = 0 [pid 308] getdents64(3 [pid 3823] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3823] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] umount2("./717/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3824] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3824] setpgid(0, 0 [pid 308] newfstatat(AT_FDCWD, "./717/binderfs" [pid 3823] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3823] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3824] <... setpgid resumed>) = 0 [pid 3823] <... mkdirat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3823] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] unlink("./717/binderfs" [pid 3823] <... symlinkat resumed>) = 0 [pid 3823] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... unlink resumed>) = 0 [pid 3824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3823] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3823] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3824] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3824] write(3, "1000", 4 [pid 3823] <... unlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./717/config" [pid 3824] <... write resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3824] close(3 [pid 308] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3824] <... close resumed>) = 0 [pid 3823] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3823] <... exit_group resumed>) = ? [pid 3824] symlink("/dev/binderfs", "./binderfs" [pid 308] openat(AT_FDCWD, "./717/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3824] <... symlink resumed>) = 0 [pid 3823] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3823, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(4 [pid 3824] write(1, "executing program\n", 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3824] <... write resumed>) = 18 [pid 308] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3826 attached , 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3824] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] getdents64(4 [pid 3826] set_robust_list(0x55556c898760, 24 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3826] <... set_robust_list resumed>) = 0 [pid 308] close(4 [pid 3826] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 3826] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rmdir("./717/config" [pid 3826] chdir("./669") = 0 [pid 3826] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3826] setpgid(0, 0 [pid 308] getdents64(3 [pid 3824] <... mkdirat resumed>) = 0 [pid 3826] <... setpgid resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 3824] mount(NULL, "./config", "configfs", 0, NULL [pid 308] close(3 [pid 3826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... close resumed>) = 0 [pid 3826] <... openat resumed>) = 3 [pid 3824] <... mount resumed>) = 0 [pid 308] rmdir("./717" [pid 3826] write(3, "1000", 4) = 4 [pid 3826] close(3) = 0 [pid 3826] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3826] write(1, "executing program\n", 18 [pid 308] mkdir("./718", 0777 [pid 3824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3826] <... write resumed>) = 18 [pid 3826] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... mkdir resumed>) = 0 executing program [pid 3824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] umount2("./692", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3826] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] openat(AT_FDCWD, "./692", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3827 [pid 3826] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3824] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(3 [pid 3826] <... symlinkat resumed>) = 0 [pid 3824] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3824] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] getdents64(3 [pid 3826] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3826] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3824] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] umount2("./692/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3826] <... unlinkat resumed>) = 0 [pid 3824] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3826] exit_group(0 [pid 307] newfstatat(AT_FDCWD, "./692/binderfs" [pid 3826] <... exit_group resumed>) = ? [pid 3826] +++ exited with 0 +++ [pid 3824] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./692/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 3827 attached [pid 3827] set_robust_list(0x55556c898760, 24 [pid 307] <... unlink resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3824] exit_group(0 [pid 307] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3827] <... set_robust_list resumed>) = 0 [pid 3824] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./692/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./692/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3827] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 3827] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3827] chdir("./718" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3824] +++ exited with 0 +++ [pid 307] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3827] <... chdir resumed>) = 0 [pid 3827] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3827] setpgid(0, 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(4 [pid 3827] <... setpgid resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 3827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rmdir("./692/config" [pid 3827] <... openat resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 3827] write(3, "1000", 4 [pid 307] getdents64(3 [pid 3827] <... write resumed>) = 4 [pid 3827] close(3) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3827] symlink("/dev/binderfs", "./binderfs" [pid 307] close(3 [pid 3827] <... symlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./692" [pid 3827] write(1, "executing program\n", 18) = 18 executing program [pid 3827] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] umount2("./724", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3827] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./693", 0777 [pid 310] openat(AT_FDCWD, "./724", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3827] <... mount resumed>) = 0 [pid 3827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 3827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./669", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 306] openat(AT_FDCWD, "./669", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3827] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... openat resumed>) = 3 [pid 3827] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3828 [pid 306] fstat(3 [pid 310] umount2("./724/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 3827] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./724/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./669/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./724/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3827] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./669/binderfs" [pid 310] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3827] exit_group(0) = ? [pid 306] unlink("./669/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 3827] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./724/config"ci2-android-6-1/strace-static-x86_64: Process 3828 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./708", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = 0 [pid 310] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./708", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./724/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 3828] set_robust_list(0x55556c898760, 24 [pid 310] <... openat resumed>) = 4 [pid 306] newfstatat(AT_FDCWD, "./669/config" [pid 309] fstat(3 [pid 310] fstat(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 306] umount2("./669/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 3828] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] openat(AT_FDCWD, "./669/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./708/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 306] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./708/binderfs" [pid 306] fstat(4 [pid 3828] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./724/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3828] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3828] chdir("./693") = 0 [pid 3828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3828] setpgid(0, 0) = 0 [pid 3828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./708/binderfs" [pid 306] getdents64(4 [pid 310] getdents64(3 [pid 3828] <... openat resumed>) = 3 [pid 3828] write(3, "1000", 4 [pid 309] <... unlink resumed>) = 0 [pid 3828] <... write resumed>) = 4 [pid 309] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 309] <... umount2 resumed>) = 0 [pid 310] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 306] close(4 [pid 310] rmdir("./724" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 3828] close(3) = 0 [pid 3828] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./708/config" [pid 308] <... restart_syscall resumed>) = 0 [pid 306] rmdir("./669/config" [pid 310] mkdir("./725", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3828] write(1, "executing program\n", 18) = 18 [pid 3828] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 3828] <... mkdirat resumed>) = 0 [pid 309] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./718", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./708/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./718", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 executing program [pid 309] fstat(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... openat resumed>) = 3 [pid 306] rmdir("./669" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3828] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] getdents64(4 [pid 308] fstat(3 [pid 3828] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3829 [pid 309] getdents64(4 [pid 308] getdents64(3 [pid 306] mkdir("./670", 0777 [pid 3828] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3828] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3828] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(4 [pid 308] umount2("./718/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./708/config" [pid 308] newfstatat(AT_FDCWD, "./718/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3828] exit_group(0) = ? [pid 3828] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3829 attached [pid 309] getdents64(3 [pid 308] unlink("./718/binderfs" [pid 3829] set_robust_list(0x55556c898760, 24) = 0 [pid 3829] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3829] chdir("./725") = 0 [pid 3829] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3829] setpgid(0, 0 [pid 308] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3830 [pid 309] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3829] <... setpgid resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rmdir("./708" [pid 308] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3829] <... openat resumed>) = 3 [pid 3829] write(3, "1000", 4 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./709", 0777 [pid 308] newfstatat(AT_FDCWD, "./718/config" [pid 3829] <... write resumed>) = 4 [pid 3829] close(3) = 0 [pid 3829] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3829] write(1, "executing program\n", 18 [pid 308] openat(AT_FDCWD, "./718/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3829] <... write resumed>) = 18 [pid 3829] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... openat resumed>) = 4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3831 [pid 308] fstat(4 executing program [pid 3829] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3829] <... mount resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 3829] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 3829] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./693", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 3829] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./693", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./718/config" [pid 3829] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... openat resumed>) = 3 [pid 3829] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 307] fstat(3 [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 308] close(3 [pid 3829] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rmdir("./718" [pid 307] umount2("./693/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3829] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3829] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./719", 0777 [pid 307] newfstatat(AT_FDCWD, "./693/binderfs" [pid 3829] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3829] exit_group(0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] unlink("./693/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3829] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 3831 attached [pid 3829] +++ exited with 0 +++ [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3830 attached [pid 3830] set_robust_list(0x55556c898760, 24) = 0 [pid 3830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3830] chdir("./670") = 0 [pid 3830] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3830] setpgid(0, 0 [pid 307] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3829, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3832 [pid 3830] <... setpgid resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = 0 [pid 3830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./693/config" [pid 3831] set_robust_list(0x55556c898760, 24 [pid 3830] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3830] write(3, "1000", 4 [pid 307] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3830] <... write resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3830] close(3 [pid 307] openat(AT_FDCWD, "./693/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3830] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 3830] symlink("/dev/binderfs", "./binderfs" [pid 307] fstat(4 [pid 3831] <... set_robust_list resumed>) = 0 [pid 3830] <... symlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3830] write(1, "executing program\n", 18 [pid 307] getdents64(4 [pid 3830] <... write resumed>) = 18 executing program [pid 3830] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3831] rt_sigprocmask(SIG_SETMASK, [] [pid 3830] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 3830] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3831] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(4 [pid 3830] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... close resumed>) = 0 [pid 3830] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3830] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rmdir("./693/config" [pid 3830] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3830] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3830] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] getdents64(3 [pid 3830] <... symlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3830] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] close(3 [pid 3830] <... unlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 3830] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] rmdir("./693" [pid 3830] <... unlinkat resumed>) = 0 [pid 3830] exit_group(0) = ? [pid 307] <... rmdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] mkdir("./694", 0777 [pid 3830] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 310] umount2("./725", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 3832 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./725", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... openat resumed>) = 3 [pid 3832] set_robust_list(0x55556c898760, 24) = 0 [pid 3832] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3832] chdir("./719") = 0 [pid 3832] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3832] setpgid(0, 0 [pid 310] fstat(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3833 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3832] <... setpgid resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./725/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3832] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3832] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./725/binderfs" [pid 3832] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3832] close(3 [pid 310] unlink("./725/binderfs" [pid 3832] <... close resumed>) = 0 [pid 3832] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... unlink resumed>) = 0 [pid 3832] write(1, "executing program\n", 18 [pid 310] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 3832] <... write resumed>) = 18 executing program [pid 3832] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3832] <... mkdirat resumed>) = 0 [pid 3831] chdir("./709" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3832] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3831] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./725/config" [pid 306] umount2("./670", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3831] <... prctl resumed>) = 0 [pid 310] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./670", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3831] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./725/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3831] <... setpgid resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 306] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(4 [pid 306] getdents64(3 [pid 3832] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3832] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3832] <... symlinkat resumed>) = 0 [pid 3832] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3832] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3832] exit_group(0) = ? [pid 306] umount2("./670/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./670/binderfs" [pid 310] close(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 306] unlink("./670/binderfs" [pid 3831] <... openat resumed>) = 3 [pid 310] rmdir("./725/config" [pid 3832] +++ exited with 0 +++ [pid 3831] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 306] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3833 attached [pid 3833] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3833] <... set_robust_list resumed>) = 0 [pid 3833] rt_sigprocmask(SIG_SETMASK, [] [pid 3831] <... write resumed>) = 4 [pid 310] close(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3831] close(3 [pid 310] rmdir("./725" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3833] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3833] chdir("./694") = 0 [pid 3833] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3833] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./670/config" [pid 3831] <... close resumed>) = 0 [pid 310] mkdir("./726", 0777 [pid 3831] symlink("/dev/binderfs", "./binderfs" [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3833] <... setpgid resumed>) = 0 [pid 3833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 306] umount2("./670/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3833] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3831] <... symlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./719", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./670/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3833] <... write resumed>) = 4 [pid 3833] close(3) = 0 [pid 3833] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3833] write(1, "executing program\n", 18) = 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3833] mkdirat(AT_FDCWD, "./config", 0777 [pid 3831] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3834 [pid 308] openat(AT_FDCWD, "./719", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 4 executing program [pid 3833] <... mkdirat resumed>) = 0 [pid 3831] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 3 [pid 306] fstat(4ci2-android-6-1/strace-static-x86_64: Process 3834 attached [pid 3834] set_robust_list(0x55556c898760, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3833] mount(NULL, "./config", "configfs", 0, NULL [pid 3831] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] getdents64(3 [pid 306] getdents64(4 [pid 3834] <... set_robust_list resumed>) = 0 [pid 3834] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./719/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 3834] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./719/binderfs" [pid 306] close(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 308] unlink("./719/binderfs" [pid 306] rmdir("./670/config" [pid 3834] chdir("./726" [pid 308] <... unlink resumed>) = 0 [pid 3834] <... chdir resumed>) = 0 [pid 3834] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3834] setpgid(0, 0) = 0 [pid 308] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 3834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = 0 [pid 306] getdents64(3 [pid 3831] <... mkdirat resumed>) = 0 [pid 308] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3831] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 3833] <... mount resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./719/config" [pid 306] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3831] <... mount resumed>) = 0 [pid 306] rmdir("./670" [pid 308] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3834] <... openat resumed>) = 3 [pid 3834] write(3, "1000", 4 [pid 306] <... rmdir resumed>) = 0 [pid 3831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] mkdir("./671", 0777 [pid 3831] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./719/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3834] <... write resumed>) = 4 [pid 3834] close(3) = 0 [pid 3834] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... openat resumed>) = 4 [pid 306] <... mkdir resumed>) = 0 [pid 308] fstat(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3831] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3834] write(1, "executing program\n", 18) = 18 [pid 3834] mkdirat(AT_FDCWD, "./config", 0777 [pid 3833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] getdents64(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3834] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3834] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3835 [pid 308] <... close resumed>) = 0 [pid 3834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] rmdir("./719/config" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 3835 attached [pid 3835] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 3831] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3831] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] close(3 [pid 3834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... close resumed>) = 0 [pid 3834] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rmdir("./719" [pid 3833] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3831] <... symlinkat resumed>) = 0 [pid 3835] rt_sigprocmask(SIG_SETMASK, [] [pid 3834] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./720", 0777 [pid 3834] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3834] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3834] exit_group(0 [pid 308] <... mkdir resumed>) = 0 [pid 3831] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3833] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3834] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3834] +++ exited with 0 +++ [pid 3833] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3831] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3835] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3835] chdir("./671") = 0 [pid 3835] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3835] setpgid(0, 0) = 0 [pid 3835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3836 [pid 3833] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3831] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3833] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3831] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3833] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3835] write(3, "1000", 4) = 4 [pid 3833] exit_group(0 [pid 3831] exit_group(0 [pid 3835] close(3) = 0 [pid 3835] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3833] <... exit_group resumed>) = ? [pid 3831] <... exit_group resumed>) = ? [pid 3835] write(1, "executing program\n", 18) = 18 [pid 3835] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3833] +++ exited with 0 +++ [pid 3835] mount(NULL, "./config", "configfs", 0, NULL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3833, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3835] <... mount resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3831] +++ exited with 0 +++ [pid 3835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 3835] <... mkdirat resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3835] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3835] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3835] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3835] exit_group(0) = ? [pid 3835] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 3836 attached [pid 3836] set_robust_list(0x55556c898760, 24 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3835, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3836] <... set_robust_list resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3836] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3836] chdir("./720") = 0 [pid 3836] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3836] setpgid(0, 0) = 0 [pid 3836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3836] write(3, "1000", 4) = 4 [pid 3836] close(3) = 0 [pid 3836] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3836] write(1, "executing program\n", 18) = 18 executing program [pid 3836] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3836] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3836] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3836] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3836] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3836] exit_group(0) = ? [pid 3836] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] umount2("./709", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./726", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./709", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./694", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./726", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./671", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 307] openat(AT_FDCWD, "./694", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 306] openat(AT_FDCWD, "./671", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./709/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] fstat(3 [pid 310] umount2("./726/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./720", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./694/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./709/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./726/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./720", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./694/binderfs" [pid 306] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./709/binderfs" [pid 308] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./726/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... unlink resumed>) = 0 [pid 308] fstat(3 [pid 307] unlink("./694/binderfs" [pid 306] umount2("./671/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./671/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./720/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./671/binderfs" [pid 310] newfstatat(AT_FDCWD, "./726/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./720/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./709/config" [pid 308] unlink("./720/binderfs" [pid 307] newfstatat(AT_FDCWD, "./694/config" [pid 306] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./726/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 309] openat(AT_FDCWD, "./709/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./694/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./720/config" [pid 307] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 309] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./671/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 306] umount2("./671/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./720/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... openat resumed>) = 4 [pid 307] rmdir("./694/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./726/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] fstat(4 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./671/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(3) = 0 [pid 307] rmdir("./694" [pid 310] <... rmdir resumed>) = 0 [pid 309] close(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 307] mkdir("./695", 0777 [pid 306] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./709/config" [pid 308] getdents64(4 [pid 307] <... mkdir resumed>) = 0 [pid 310] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3837 attached [pid 310] rmdir("./726" [pid 309] getdents64(3 [pid 308] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3837 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] mkdir("./727", 0777 [pid 309] close(3 [pid 306] getdents64(4 [pid 308] close(4 [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./709" [pid 3837] set_robust_list(0x55556c898760, 24) = 0 [pid 3837] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3837] chdir("./695" [pid 310] <... mkdir resumed>) = 0 [pid 308] rmdir("./720/config" [pid 306] close(4 [pid 3837] <... chdir resumed>) = 0 [pid 3837] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3837] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 3837] <... setpgid resumed>) = 0 [pid 3837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] mkdir("./710", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3837] write(3, "1000", 4 [pid 308] getdents64(3 [pid 306] rmdir("./671/config" [pid 3837] <... write resumed>) = 4 [pid 3837] close(3) = 0 [pid 3837] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 3837] write(1, "executing program\n", 18) = 18 [pid 3837] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3 executing program [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 3837] <... mkdirat resumed>) = 0 [pid 3837] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rmdir("./720" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3837] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3837] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3837] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3837] exit_group(0) = ? [pid 3837] +++ exited with 0 +++ [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3838 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3839 [pid 308] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3838 attached [pid 3838] set_robust_list(0x55556c898760, 24) = 0 [pid 3838] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3838] chdir("./727") = 0 [pid 3838] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3838] setpgid(0, 0) = 0 [pid 3838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./721", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 3838] write(3, "1000", 4) = 4 [pid 3838] close(3) = 0 [pid 3838] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3838] write(1, "executing program\n", 18) = 18 executing program [pid 3838] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3839 attached ) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] rmdir("./671" [pid 3838] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 3838] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3838] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] mkdir("./672", 0777 [pid 3839] set_robust_list(0x55556c898760, 24 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3838] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3838] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 3838] <... exit_group resumed>) = ? [pid 3838] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3838, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3840 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3840 attached [pid 3840] set_robust_list(0x55556c898760, 24) = 0 [pid 3840] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3840] chdir("./721") = 0 [pid 3840] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3840] setpgid(0, 0) = 0 [pid 3840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3840] <... openat resumed>) = 3 [pid 3840] write(3, "1000", 4) = 4 [pid 3840] close(3) = 0 [pid 3840] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3841 [pid 3839] <... set_robust_list resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3841 attached [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3841] set_robust_list(0x55556c898760, 24) = 0 [pid 3841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3841] chdir("./672") = 0 [pid 3841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3841] setpgid(0, 0) = 0 [pid 3841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... restart_syscall resumed>) = 0 [pid 3840] write(1, "executing program\n", 18 [pid 307] umount2("./695", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./695", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./695/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./695/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./695/binderfs") = 0 [pid 307] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 307] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./695/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./695/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./695/config" [pid 3840] <... write resumed>) = 18 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 executing program [pid 307] rmdir("./695") = 0 [pid 3840] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] mkdir("./696", 0777 [pid 3839] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3840] <... mkdirat resumed>) = 0 [pid 3839] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3842 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3839] chdir("./710" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3841] <... openat resumed>) = 3 [pid 3841] write(3, "1000", 4) = 4 [pid 3841] close(3) = 0 [pid 3841] symlink("/dev/binderfs", "./binderfs" [pid 3839] <... chdir resumed>) = 0 [pid 3840] mount(NULL, "./config", "configfs", 0, NULL [pid 3841] <... symlink resumed>) = 0 [pid 3841] write(1, "executing program\n", 18) = 18 executing program [pid 3841] mkdirat(AT_FDCWD, "./config", 0777 [pid 3839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3840] <... mount resumed>) = 0 [pid 3839] <... prctl resumed>) = 0 [pid 3841] <... mkdirat resumed>) = 0 [pid 3839] setpgid(0, 0ci2-android-6-1/strace-static-x86_64: Process 3842 attached [pid 3840] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3841] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3839] <... setpgid resumed>) = 0 [pid 3841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3840] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3841] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3840] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3841] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 3839] <... openat resumed>) = 3 [pid 3840] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3841] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3839] write(3, "1000", 4 [pid 3840] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./727", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3839] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3839] close(3 [pid 3840] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./727", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3840] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3839] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 3839] symlink("/dev/binderfs", "./binderfs" [pid 3840] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 3841] <... unlinkat resumed>) = 0 [pid 3841] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./727/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3840] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3839] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./727/binderfs" [pid 3840] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3839] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3840] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3839] <... write resumed>) = 18 [pid 310] unlink("./727/binderfs" [pid 3842] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3842] rt_sigprocmask(SIG_SETMASK, [] [pid 3839] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 3840] <... unlinkat resumed>) = 0 [pid 310] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3841] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./727/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3840] exit_group(0 [pid 310] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3840] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3841] exit_group(0 [pid 310] openat(AT_FDCWD, "./727/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3841] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3842] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./727/config") = 0 [pid 3842] chdir("./696" [pid 3839] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 3842] <... chdir resumed>) = 0 [pid 3839] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(3 [pid 3842] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 3842] setpgid(0, 0 [pid 310] rmdir("./727" [pid 3839] <... mount resumed>) = 0 [pid 3842] <... setpgid resumed>) = 0 [pid 3842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 3840] +++ exited with 0 +++ [pid 310] mkdir("./728", 0777 [pid 3841] +++ exited with 0 +++ [pid 3842] write(3, "1000", 4) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3839] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./721", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3839] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3842] close(3) = 0 [pid 3842] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3842] write(1, "executing program\n", 18 [pid 3839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program executing program [pid 308] openat(AT_FDCWD, "./721", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3842] <... write resumed>) = 18 [pid 3842] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3843 [pid 308] <... openat resumed>) = 3 [pid 3842] <... mkdirat resumed>) = 0 [pid 3839] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 3839] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3842] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(3 [pid 3842] <... mount resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3839] <... symlinkat resumed>) = 0 [pid 308] umount2("./721/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3839] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] newfstatat(AT_FDCWD, "./721/binderfs" [pid 3842] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3839] <... unlinkat resumed>) = 0 [pid 308] unlink("./721/binderfs" [pid 3842] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3839] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... unlink resumed>) = 0 [pid 3842] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 3839] <... unlinkat resumed>) = 0 [pid 308] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3842] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3839] exit_group(0 [pid 308] newfstatat(AT_FDCWD, "./721/config" [pid 3842] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3839] <... exit_group resumed>) = ? [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3842] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3842] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3842] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] openat(AT_FDCWD, "./721/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3842] exit_group(0 [pid 308] <... openat resumed>) = 4 [pid 3842] <... exit_group resumed>) = ? [pid 308] fstat(4 [pid 3842] +++ exited with 0 +++ [pid 3839] +++ exited with 0 +++ [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 3843 attached [pid 308] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3842, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3843] set_robust_list(0x55556c898760, 24 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(4 [pid 3843] <... set_robust_list resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3843] rt_sigprocmask(SIG_SETMASK, [] [pid 308] close(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 3843] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./721/config" [pid 3843] chdir("./728") = 0 [pid 3843] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3843] setpgid(0, 0) = 0 [pid 3843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./696", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./696", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(3 [pid 3843] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 308] rmdir("./721" [pid 307] fstat(3 [pid 3843] write(3, "1000", 4) = 4 [pid 3843] close(3) = 0 [pid 3843] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] mkdir("./722", 0777 [pid 307] getdents64(3 [pid 3843] write(1, "executing program\n", 18) = 18 [pid 3843] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 308] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./696/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] newfstatat(AT_FDCWD, "./696/binderfs" [pid 3843] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3844 [pid 307] unlink("./696/binderfs" [pid 3843] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3843] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./710", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./710", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3843] <... symlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./696/config" [pid 309] fstat(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3843] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 3843] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3843] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./710/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./696/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 3844 attached [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./710/binderfs" [pid 307] fstat(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] unlink("./710/binderfs" [pid 307] getdents64(4 [pid 3844] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3843] <... unlinkat resumed>) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] close(4 [pid 309] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./696/config" [pid 3843] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./710/config" [pid 3844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3844] chdir("./722" [pid 307] <... rmdir resumed>) = 0 [pid 3843] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 309] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 309] openat(AT_FDCWD, "./710/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] rmdir("./696" [pid 309] fstat(4 [pid 3844] <... chdir resumed>) = 0 [pid 3844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3844] setpgid(0, 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] mkdir("./697", 0777 [pid 309] getdents64(4 [pid 3844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3844] write(3, "1000", 4 [pid 307] <... mkdir resumed>) = 0 [pid 3844] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(4 [pid 3844] close(3) = 0 [pid 3844] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3844] write(1, "executing program\n", 18) = 18 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./710/config" [pid 3844] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./672", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3845 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./672", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 3845 attached [pid 3844] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] rmdir("./710" [pid 306] fstat(3 [pid 3844] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./711", 0777 [pid 306] getdents64(3 [pid 3844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 3844] <... mkdirat resumed>) = 0 [pid 3844] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3843] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./672/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3844] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3844] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 ci2-android-6-1/strace-static-x86_64: Process 3846 attached [pid 3844] exit_group(0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3843, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] newfstatat(AT_FDCWD, "./672/binderfs" [pid 3846] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3846 [pid 3846] <... set_robust_list resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] unlink("./672/binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3844] <... exit_group resumed>) = ? [pid 3846] rt_sigprocmask(SIG_SETMASK, [] [pid 3844] +++ exited with 0 +++ [pid 306] <... unlink resumed>) = 0 [pid 3846] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3846] chdir("./711" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3846] <... chdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./672/config" [pid 3846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3846] <... prctl resumed>) = 0 [pid 306] umount2("./672/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3846] setpgid(0, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3846] <... setpgid resumed>) = 0 [pid 306] openat(AT_FDCWD, "./672/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3845] set_robust_list(0x55556c898760, 24 [pid 306] <... openat resumed>) = 4 [pid 3846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] fstat(4 [pid 3845] <... set_robust_list resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3846] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 3845] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3845] chdir("./697") = 0 [pid 3846] write(3, "1000", 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] getdents64(4 [pid 3846] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3845] <... prctl resumed>) = 0 [pid 3846] close(3 [pid 306] close(4 [pid 3845] setpgid(0, 0 [pid 306] <... close resumed>) = 0 [pid 3846] <... close resumed>) = 0 [pid 3845] <... setpgid resumed>) = 0 [pid 306] rmdir("./672/config" [pid 3846] symlink("/dev/binderfs", "./binderfs" [pid 3845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3845] write(3, "1000", 4 [pid 306] <... rmdir resumed>) = 0 [pid 3845] <... write resumed>) = 4 [pid 306] getdents64(3 [pid 3845] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3845] <... close resumed>) = 0 [pid 306] close(3 [pid 3846] <... symlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3845] symlink("/dev/binderfs", "./binderfs" [pid 3846] write(1, "executing program\n", 18 [pid 306] rmdir("./672" [pid 3845] <... symlink resumed>) = 0 [pid 3845] write(1, "executing program\n", 18) = 18 [pid 3846] <... write resumed>) = 18 [pid 3845] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 3846] mkdirat(AT_FDCWD, "./config", 0777 [pid 3845] <... mkdirat resumed>) = 0 [pid 306] mkdir("./673", 0777 executing program executing program [pid 3845] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] umount2("./722", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 3847 attached [pid 3846] <... mkdirat resumed>) = 0 [pid 3845] <... mkdirat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./722", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3846] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3847 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./722/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3845] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3845] <... symlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./722/binderfs" [pid 3847] set_robust_list(0x55556c898760, 24 [pid 3846] <... mount resumed>) = 0 [pid 3847] <... set_robust_list resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] unlink("./722/binderfs" [pid 3846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... unlink resumed>) = 0 [pid 3847] rt_sigprocmask(SIG_SETMASK, [] [pid 3846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3845] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3847] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3845] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3847] chdir("./673" [pid 3846] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3845] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] newfstatat(AT_FDCWD, "./722/config" [pid 3846] <... symlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3847] <... chdir resumed>) = 0 [pid 3846] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3846] <... unlinkat resumed>) = 0 [pid 3845] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3847] <... prctl resumed>) = 0 [pid 3846] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] openat(AT_FDCWD, "./722/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3845] exit_group(0 [pid 308] <... openat resumed>) = 4 [pid 3847] setpgid(0, 0 [pid 3846] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] fstat(4 [pid 3845] <... exit_group resumed>) = ? [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3847] <... setpgid resumed>) = 0 [pid 3846] exit_group(0 [pid 308] getdents64(4 [pid 3846] <... exit_group resumed>) = ? [pid 3847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3846] +++ exited with 0 +++ [pid 3845] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3847] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3847] write(3, "1000", 4 [pid 308] close(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] rmdir("./722/config" [pid 3847] <... write resumed>) = 4 [pid 3847] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./697", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3847] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3847] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./697", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 308] close(3 [pid 307] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./722" [pid 307] getdents64(3 [pid 310] umount2("./728", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./697/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3847] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./723", 0777 [pid 307] newfstatat(AT_FDCWD, "./697/binderfs" [pid 310] openat(AT_FDCWD, "./728", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./697/binderfs") = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3847] write(1, "executing program\n", 18 [pid 310] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = 0 [pid 3847] <... write resumed>) = 18 executing program [pid 310] fstat(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3847] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./697/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./697/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./728/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3848 [pid 307] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./711", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./728/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./711", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 310] unlink("./728/binderfs" [pid 309] <... openat resumed>) = 3 [pid 307] rmdir("./697/config" [pid 3847] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 307] <... rmdir resumed>) = 0 [pid 3847] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 307] close(3 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... close resumed>) = 0 [pid 310] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./711/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./697" [pid 3847] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./698", 0777 [pid 3847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./728/config" [pid 309] newfstatat(AT_FDCWD, "./711/binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./711/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3849 [pid 310] openat(AT_FDCWD, "./728/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 309] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3848 attached [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3848] set_robust_list(0x55556c898760, 24 [pid 310] getdents64(4 [pid 3847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] newfstatat(AT_FDCWD, "./711/config" [pid 310] close(4 [pid 3848] <... set_robust_list resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./728/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3848] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3848] chdir("./723" [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./711/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 3848] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 4 [pid 3847] <... mkdirat resumed>) = 0 [pid 310] close(3 [pid 309] fstat(4 [pid 3848] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... close resumed>) = 0 [pid 3847] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./728" [pid 3848] setpgid(0, 0 [pid 309] getdents64(4 [pid 3848] <... setpgid resumed>) = 0 [pid 3848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3847] <... symlinkat resumed>) = 0 [pid 310] mkdir("./729", 0777 [pid 309] getdents64(4 [pid 3848] write(3, "1000", 4) = 4 [pid 3848] close(3) = 0 [pid 3848] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3847] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(4 [pid 3848] write(1, "executing program\n", 18) = 18 [pid 309] <... close resumed>) = 0 [pid 3847] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rmdir("./711/config" [pid 3847] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3848] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3848] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3850 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3848] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./711" [pid 3848] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3848] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3848] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 3847] <... unlinkat resumed>) = 0 [pid 309] mkdir("./712", 0777 [pid 3848] <... mkdirat resumed>) = 0 [pid 3848] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3847] exit_group(0 executing program [pid 309] <... mkdir resumed>) = 0 [pid 3848] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3847] <... exit_group resumed>) = ? [pid 3848] <... unlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3848] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3848] exit_group(0 [pid 3847] +++ exited with 0 +++ [pid 3848] <... exit_group resumed>) = ? [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3851 ci2-android-6-1/strace-static-x86_64: Process 3849 attached [pid 3848] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 3850 attached [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3850] set_robust_list(0x55556c898760, 24) = 0 [pid 3850] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3850] chdir("./729" [pid 3849] set_robust_list(0x55556c898760, 24ci2-android-6-1/strace-static-x86_64: Process 3851 attached [pid 3851] set_robust_list(0x55556c898760, 24 [pid 3849] <... set_robust_list resumed>) = 0 [pid 3850] <... chdir resumed>) = 0 [pid 3851] <... set_robust_list resumed>) = 0 [pid 3851] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3851] chdir("./712") = 0 [pid 3849] rt_sigprocmask(SIG_SETMASK, [] [pid 3851] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3851] setpgid(0, 0) = 0 [pid 3851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3851] write(3, "1000", 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 3851] <... write resumed>) = 4 [pid 3851] close(3) = 0 [pid 3851] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./723", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3851] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3851] write(1, "executing program\n", 18 executing program [pid 308] openat(AT_FDCWD, "./723", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3851] <... write resumed>) = 18 [pid 3851] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... openat resumed>) = 3 [pid 3851] <... mkdirat resumed>) = 0 [pid 3850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3849] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(3 [pid 3851] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3851] <... mount resumed>) = 0 [pid 308] getdents64(3 [pid 3851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] umount2("./723/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3851] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] newfstatat(AT_FDCWD, "./723/binderfs" [pid 3851] <... mkdirat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3850] <... prctl resumed>) = 0 [pid 3849] chdir("./698" [pid 308] unlink("./723/binderfs" [pid 3851] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... unlink resumed>) = 0 [pid 3851] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 3851] <... unlinkat resumed>) = 0 [pid 3850] setpgid(0, 0 [pid 308] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3851] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3850] <... setpgid resumed>) = 0 [pid 3849] <... chdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./723/config" [pid 3851] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3849] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3851] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3851] <... exit_group resumed>) = ? [pid 308] openat(AT_FDCWD, "./723/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3850] <... openat resumed>) = 3 [pid 3851] +++ exited with 0 +++ [pid 3850] write(3, "1000", 4 [pid 3849] <... prctl resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 3850] <... write resumed>) = 4 [pid 3849] setpgid(0, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3850] close(3 [pid 3849] <... setpgid resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(4 [pid 3850] <... close resumed>) = 0 [pid 3849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3850] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(4 [pid 3849] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 3850] <... symlink resumed>) = 0 [pid 3849] write(3, "1000", 4 [pid 308] <... close resumed>) = 0 [pid 3850] write(1, "executing program\n", 18) = 18 [pid 308] rmdir("./723/config" [pid 306] <... restart_syscall resumed>) = 0 [pid 3849] <... write resumed>) = 4 executing program [pid 3850] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3849] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 3850] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(3 [pid 3850] <... mount resumed>) = 0 [pid 3849] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 306] umount2("./673", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 3849] symlink("/dev/binderfs", "./binderfs" [pid 308] rmdir("./723" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./673", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3849] <... symlink resumed>) = 0 [pid 308] mkdir("./724", 0777 [pid 3849] write(1, "executing program\n", 18 [pid 306] <... openat resumed>) = 3 [pid 3850] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 executing program [pid 3850] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... mkdir resumed>) = 0 [pid 3849] <... write resumed>) = 18 [pid 306] fstat(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3850] <... unlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3850] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3850] exit_group(0) = ? [pid 306] umount2("./673/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3849] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3852 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3850] +++ exited with 0 +++ [pid 3849] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./673/binderfs" [pid 3849] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] unlink("./673/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3852 attached [pid 3852] set_robust_list(0x55556c898760, 24 [pid 306] <... unlink resumed>) = 0 [pid 3852] <... set_robust_list resumed>) = 0 [pid 306] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3849] <... mount resumed>) = 0 [pid 3849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3852] rt_sigprocmask(SIG_SETMASK, [] [pid 3849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./712", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./673/config" [pid 3849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./712", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./673/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 3849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] openat(AT_FDCWD, "./673/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3852] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] getdents64(3 [pid 306] fstat(4 [pid 3852] chdir("./724" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3852] <... chdir resumed>) = 0 [pid 309] umount2("./712/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3852] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3852] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./712/binderfs" [pid 3849] <... mkdirat resumed>) = 0 [pid 306] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3849] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] unlink("./712/binderfs" [pid 306] close(4 [pid 3852] <... setpgid resumed>) = 0 [pid 3852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 309] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./673/config" [pid 3852] <... openat resumed>) = 3 [pid 3852] write(3, "1000", 4) = 4 [pid 3852] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] getdents64(3 [pid 3849] <... symlinkat resumed>) = 0 [pid 309] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3849] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] newfstatat(AT_FDCWD, "./712/config" [pid 306] close(3 [pid 3852] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 3849] <... unlinkat resumed>) = 0 [pid 309] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./673" [pid 3852] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3852] <... symlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3849] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] openat(AT_FDCWD, "./712/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] mkdir("./674", 0777 [pid 309] <... openat resumed>) = 4 [pid 3852] write(1, "executing program\n", 18) = 18 [pid 3852] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 3849] <... unlinkat resumed>) = 0 [pid 309] fstat(4 [pid 306] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3849] exit_group(0 [pid 3852] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3849] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 3852] <... mount resumed>) = 0 [pid 3852] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3852] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3852] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3853 [pid 309] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./712/config" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3852] <... mkdirat resumed>) = 0 [pid 3852] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 3852] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3852] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(3 [pid 3852] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 3852] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rmdir("./712" [pid 3849] +++ exited with 0 +++ [pid 3852] <... unlinkat resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3849, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rmdir resumed>) = 0 [pid 3852] exit_group(0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3852] <... exit_group resumed>) = ? [pid 309] mkdir("./713", 0777 [pid 3852] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3853 attached [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3853] set_robust_list(0x55556c898760, 24 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3853] <... set_robust_list resumed>) = 0 [pid 3853] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3853] chdir("./674") = 0 [pid 3853] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3853] setpgid(0, 0) = 0 [pid 3853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3854 [pid 3853] write(3, "1000", 4) = 4 [pid 3853] close(3) = 0 [pid 3853] symlink("/dev/binderfs", "./binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3853] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3853] write(1, "executing program\n", 18) = 18 executing program [pid 3853] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./729", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./729", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 3853] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3853] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./729/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./729/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./729/binderfs" [pid 308] umount2("./724", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3853] <... mount resumed>) = 0 [pid 3853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./724", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3853] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 308] fstat(3 [pid 310] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./729/config" [pid 3853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./724/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./729/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./724/binderfs" [pid 310] <... openat resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 308] unlink("./724/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3853] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 308] <... unlink resumed>) = 0 [pid 3853] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 3853] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3853] <... symlinkat resumed>) = 0 [pid 310] close(4 [pid 308] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./729/config" [pid 3853] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] newfstatat(AT_FDCWD, "./724/config" [pid 3853] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 308] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 3853] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./724/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3853] <... exit_group resumed>) = ? [pid 3853] +++ exited with 0 +++ [pid 310] rmdir("./729" [pid 308] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 3854 attached [pid 3854] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] fstat(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] mkdir("./730", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3854] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3854] chdir("./713") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3854] <... prctl resumed>) = 0 [pid 3854] setpgid(0, 0) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(4 [pid 3854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3854] write(3, "1000", 4) = 4 [pid 3854] close(3) = 0 [pid 3854] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3855 [pid 308] close(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 307] umount2("./698", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rmdir("./724/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 307] openat(AT_FDCWD, "./698", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./698/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 307] newfstatat(AT_FDCWD, "./698/binderfs" [pid 306] umount2("./674", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rmdir("./724" [pid 307] unlink("./698/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./674", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./725", 0777 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./698/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./698/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 306] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./698/config") = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3856 [pid 307] getdents64(3 [pid 306] umount2("./674/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./674/binderfs" [pid 307] rmdir("./698"ci2-android-6-1/strace-static-x86_64: Process 3856 attached ) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3856] set_robust_list(0x55556c898760, 24 [pid 3854] <... symlink resumed>) = 0 [pid 307] mkdir("./699", 0777 [pid 3856] <... set_robust_list resumed>) = 0 [pid 306] unlink("./674/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3855 attached [pid 3854] write(1, "executing program\n", 18 [pid 307] <... mkdir resumed>) = 0 executing program [pid 3855] set_robust_list(0x55556c898760, 24 [pid 3854] <... write resumed>) = 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... unlink resumed>) = 0 [pid 3855] <... set_robust_list resumed>) = 0 [pid 3854] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3855] rt_sigprocmask(SIG_SETMASK, [] [pid 3854] <... mkdirat resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3856] rt_sigprocmask(SIG_SETMASK, [] [pid 3855] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3854] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... umount2 resumed>) = 0 [pid 3856] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3855] chdir("./730" [pid 3854] <... mount resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3857 [pid 3855] <... chdir resumed>) = 0 [pid 3854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3854] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3855] <... prctl resumed>) = 0 [pid 3854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3855] setpgid(0, 0 [pid 3854] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3855] <... setpgid resumed>) = 0 [pid 3854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3854] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3857 attached [pid 3856] chdir("./725" [pid 3855] <... openat resumed>) = 3 [pid 3854] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] newfstatat(AT_FDCWD, "./674/config" [pid 3855] write(3, "1000", 4 [pid 3854] <... symlinkat resumed>) = 0 [pid 3855] <... write resumed>) = 4 [pid 3854] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3855] close(3 [pid 3854] <... unlinkat resumed>) = 0 [pid 3855] <... close resumed>) = 0 [pid 3854] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3855] symlink("/dev/binderfs", "./binderfs" [pid 3854] <... unlinkat resumed>) = 0 [pid 3857] set_robust_list(0x55556c898760, 24 [pid 3856] <... chdir resumed>) = 0 [pid 3855] <... symlink resumed>) = 0 [pid 3854] exit_group(0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3855] write(1, "executing program\n", 18 [pid 3854] <... exit_group resumed>) = ? executing program [pid 3857] <... set_robust_list resumed>) = 0 [pid 3856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3855] <... write resumed>) = 18 [pid 3854] +++ exited with 0 +++ [pid 306] umount2("./674/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3855] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3855] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3856] <... prctl resumed>) = 0 [pid 306] openat(AT_FDCWD, "./674/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3856] setpgid(0, 0 [pid 3855] <... mkdirat resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 3855] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] fstat(4 [pid 3856] <... setpgid resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3855] <... symlinkat resumed>) = 0 [pid 306] getdents64(4 [pid 3855] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3856] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 3856] write(3, "1000", 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3855] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] close(4 [pid 3856] <... write resumed>) = 4 [pid 3856] close(3 [pid 3855] <... unlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3855] exit_group(0) = ? [pid 3857] rt_sigprocmask(SIG_SETMASK, [] [pid 3856] <... close resumed>) = 0 [pid 3855] +++ exited with 0 +++ [pid 306] rmdir("./674/config" [pid 3856] symlink("/dev/binderfs", "./binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3857] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3857] chdir("./699") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3857] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3857] setpgid(0, 0) = 0 [pid 3856] <... symlink resumed>) = 0 [pid 3857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3856] write(1, "executing program\n", 18 [pid 306] getdents64(3 [pid 310] umount2("./730", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3856] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./730", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3856] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] close(3 [pid 3857] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 310] fstat(3 [pid 3857] write(3, "1000", 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./674" [pid 310] getdents64(3 [pid 3857] <... write resumed>) = 4 [pid 3857] close(3) = 0 [pid 3857] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rmdir resumed>) = 0 [pid 310] umount2("./730/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./675", 0777 [pid 3857] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3857] <... write resumed>) = 18 executing program executing program [pid 3857] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3856] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./730/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 3857] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3856] mount(NULL, "./config", "configfs", 0, NULL [pid 310] unlink("./730/binderfs" [pid 3857] <... mount resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3857] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3857] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3856] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3858 [pid 3856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3856] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./730/config" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3857] <... symlinkat resumed>) = 0 [pid 3856] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3857] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] openat(AT_FDCWD, "./730/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3857] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 3856] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(4 [pid 3857] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3856] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3857] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 3856] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3857] exit_group(0 [pid 3856] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3857] <... exit_group resumed>) = ? [pid 310] getdents64(4 [pid 3856] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3857] +++ exited with 0 +++ [pid 3856] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(4ci2-android-6-1/strace-static-x86_64: Process 3858 attached ) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3857, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3856] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] rmdir("./730/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3858] set_robust_list(0x55556c898760, 24) = 0 [pid 3858] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3858] chdir("./675" [pid 310] getdents64(3 [pid 3856] exit_group(0 [pid 3858] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 3856] <... exit_group resumed>) = ? [pid 310] close(3 [pid 3858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... close resumed>) = 0 [pid 3858] <... prctl resumed>) = 0 [pid 307] umount2("./699", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./730" [pid 309] umount2("./713", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3858] setpgid(0, 0) = 0 [pid 3858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./713", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./699", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./731", 0777 [pid 309] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 3858] <... openat resumed>) = 3 [pid 3858] write(3, "1000", 4) = 4 [pid 3858] close(3) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(3 [pid 307] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 3858] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./713/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./699/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3858] <... symlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./713/binderfs" [pid 3858] write(1, "executing program\n", 18) = 18 [pid 3858] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] newfstatat(AT_FDCWD, "./699/binderfs" [pid 3856] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3859 executing program [pid 309] unlink("./713/binderfs" [pid 307] unlink("./699/binderfs" [pid 3858] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... unlink resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3858] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./713/config" [pid 307] newfstatat(AT_FDCWD, "./699/config" [pid 3858] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] openat(AT_FDCWD, "./713/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3858] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] openat(AT_FDCWD, "./699/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3858] <... symlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 307] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3858] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 307] getdents64(4 [pid 3858] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 307] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 307] close(4 [pid 3858] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] rmdir("./713/config" [pid 307] rmdir("./699/config" [pid 3858] <... unlinkat resumed>) = 0 [pid 3858] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 3858] <... exit_group resumed>) = ? [pid 3858] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 309] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 3859 attached [pid 309] <... close resumed>) = 0 [pid 307] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./713" [pid 307] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3859] set_robust_list(0x55556c898760, 24) = 0 [pid 3859] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] rmdir("./699" [pid 309] mkdir("./714", 0777 [pid 3859] chdir("./731") = 0 [pid 3859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rmdir resumed>) = 0 [pid 3859] <... prctl resumed>) = 0 [pid 3859] setpgid(0, 0) = 0 [pid 3859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 307] mkdir("./700", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3859] write(3, "1000", 4) = 4 [pid 3859] close(3) = 0 [pid 3859] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3859] write(1, "executing program\n", 18) = 18 [pid 3859] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3859] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3860 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3859] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3859] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./725", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3861 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./725", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3859] <... unlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./675", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3859] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(3 [pid 306] openat(AT_FDCWD, "./675", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3859] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 3 [pid 308] umount2("./725/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./725/binderfs" [pid 3859] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 308] unlink("./725/binderfs" [pid 3859] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 3861 attached [pid 3859] +++ exited with 0 +++ [pid 308] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 3860 attached [pid 308] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./675/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3860] set_robust_list(0x55556c898760, 24 [pid 308] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./675/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./725/config" [pid 306] unlink("./675/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3860] <... set_robust_list resumed>) = 0 [pid 3860] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 3860] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./725/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3860] chdir("./714" [pid 308] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = 0 [pid 308] fstat(4 [pid 306] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3860] <... chdir resumed>) = 0 [pid 308] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./675/config" [pid 3860] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 306] umount2("./675/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 306] openat(AT_FDCWD, "./675/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 3860] <... prctl resumed>) = 0 [pid 308] rmdir("./725/config" [pid 306] <... openat resumed>) = 4 [pid 3860] setpgid(0, 0) = 0 [pid 3860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 306] fstat(4 [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 308] close(3 [pid 3860] write(3, "1000", 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 308] rmdir("./725" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3860] <... write resumed>) = 4 [pid 3860] close(3) = 0 [pid 3860] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 3861] set_robust_list(0x55556c898760, 24 [pid 308] mkdir("./726", 0777 [pid 306] <... close resumed>) = 0 [pid 3860] write(1, "executing program\n", 18) = 18 [pid 3860] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] rmdir("./675/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3860] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 310] umount2("./731", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3860] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] openat(AT_FDCWD, "./731", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 3860] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3862 [pid 310] fstat(3 [pid 306] <... close resumed>) = 0 [pid 3860] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./675" [pid 310] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3860] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3860] exit_group(0) = ? [pid 306] <... rmdir resumed>) = 0 [pid 3861] <... set_robust_list resumed>) = 0 [pid 3860] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] mkdir("./676", 0777 [pid 310] umount2("./731/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3862 attached [pid 3862] set_robust_list(0x55556c898760, 24) = 0 [pid 3862] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3860, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./731/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] unlink("./731/binderfs" [pid 3862] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3862] chdir("./726") = 0 [pid 3862] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3862] setpgid(0, 0) = 0 [pid 3862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3862] write(3, "1000", 4) = 4 [pid 3862] close(3 [pid 310] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3863 [pid 310] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3862] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3862] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 310] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3862] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3861] rt_sigprocmask(SIG_SETMASK, [] [pid 3862] write(1, "executing program\n", 18) = 18 [pid 3862] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./731/config" [pid 3862] <... mkdirat resumed>) = 0 [pid 3861] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3862] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3862] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./731/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./714", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3862] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] fstat(4 [pid 309] openat(AT_FDCWD, "./714", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 309] fstat(3 [pid 3862] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3862] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3862] <... symlinkat resumed>) = 0 [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3862] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./714/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./731/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3862] <... unlinkat resumed>) = 0 [pid 3862] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./714/binderfs" [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] unlink("./714/binderfs" [pid 310] close(3 [pid 3862] exit_group(0) = ? [pid 309] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./731" [pid 3862] +++ exited with 0 +++ [pid 3861] chdir("./700" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 310] mkdir("./732", 0777 [pid 309] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3861] <... chdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3863 attached [pid 3863] set_robust_list(0x55556c898760, 24) = 0 [pid 3863] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3863] chdir("./676" [pid 310] <... mkdir resumed>) = 0 [pid 3861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3861] <... prctl resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./714/config" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3861] setpgid(0, 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3863] <... chdir resumed>) = 0 [pid 3863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3863] setpgid(0, 0) = 0 [pid 3863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3863] write(3, "1000", 4 [pid 309] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3861] <... setpgid resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3864 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3863] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./714/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(4 [pid 3863] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 3863] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3863] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(4 [pid 3863] <... symlink resumed>) = 0 [pid 3861] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3863] write(1, "executing program\n", 18 [pid 3861] write(3, "1000", 4 [pid 309] close(4 [pid 3863] <... write resumed>) = 18 [pid 309] <... close resumed>) = 0 [pid 3861] <... write resumed>) = 4 [pid 309] rmdir("./714/config" executing program [pid 3863] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3861] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 3863] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(3 [pid 3861] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3863] <... mount resumed>) = 0 executing program executing program [pid 3861] symlink("/dev/binderfs", "./binderfs" [pid 309] close(3 [pid 3863] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-6-1/strace-static-x86_64: Process 3864 attached [pid 3864] set_robust_list(0x55556c898760, 24 [pid 309] <... close resumed>) = 0 [pid 3864] <... set_robust_list resumed>) = 0 [pid 309] rmdir("./714" [pid 3864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3864] chdir("./732") = 0 [pid 3864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] mkdir("./715", 0777 [pid 3864] <... prctl resumed>) = 0 [pid 3864] setpgid(0, 0) = 0 [pid 3864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3861] <... symlink resumed>) = 0 [pid 308] umount2("./726", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3863] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3861] write(1, "executing program\n", 18 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3864] write(3, "1000", 4) = 4 [pid 3864] close(3) = 0 [pid 3864] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3864] write(1, "executing program\n", 18) = 18 [pid 3864] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3863] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3861] <... write resumed>) = 18 [pid 308] openat(AT_FDCWD, "./726", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3865 [pid 308] <... openat resumed>) = 3 [pid 3864] mount(NULL, "./config", "configfs", 0, NULL [pid 3863] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3861] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3865 attached [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 3865] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./726/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./726/binderfs" [pid 3865] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3863] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] unlink("./726/binderfs" [pid 3861] <... mkdirat resumed>) = 0 [pid 3865] chdir("./715" [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3865] <... chdir resumed>) = 0 [pid 3865] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3861] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = 0 [pid 3865] <... prctl resumed>) = 0 [pid 308] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3865] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./726/config" [pid 3865] <... setpgid resumed>) = 0 [pid 3863] <... mkdirat resumed>) = 0 [pid 3861] <... mount resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3864] <... mount resumed>) = 0 [pid 3863] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3865] <... openat resumed>) = 3 [pid 3861] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3863] <... symlinkat resumed>) = 0 [pid 3861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] openat(AT_FDCWD, "./726/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3865] write(3, "1000", 4 [pid 308] <... openat resumed>) = 4 [pid 3861] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3864] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3863] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] fstat(4 [pid 3865] <... write resumed>) = 4 [pid 3864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3864] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3863] <... unlinkat resumed>) = 0 [pid 3861] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 3863] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3861] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3865] close(3 [pid 3864] <... mkdirat resumed>) = 0 [pid 3863] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3865] <... close resumed>) = 0 [pid 308] close(4 [pid 3865] symlink("/dev/binderfs", "./binderfs" [pid 3861] <... symlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3865] <... symlink resumed>) = 0 [pid 3863] exit_group(0 [pid 3861] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rmdir("./726/config" [pid 3865] write(1, "executing program\n", 18) = 18 [pid 3865] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 executing program [pid 3865] <... mkdirat resumed>) = 0 [pid 3863] <... exit_group resumed>) = ? [pid 3861] <... unlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 3864] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3861] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3864] <... symlinkat resumed>) = 0 [pid 3861] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 308] close(3 [pid 3864] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... close resumed>) = 0 [pid 3864] <... unlinkat resumed>) = 0 [pid 3861] exit_group(0 [pid 308] rmdir("./726" [pid 3864] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3865] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rmdir resumed>) = 0 [pid 3861] <... exit_group resumed>) = ? [pid 308] mkdir("./727", 0777 [pid 3865] <... mount resumed>) = 0 [pid 3864] exit_group(0 [pid 3865] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3864] <... exit_group resumed>) = ? [pid 3865] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... mkdir resumed>) = 0 [pid 3864] +++ exited with 0 +++ [pid 3861] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3865] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3865] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3866 [pid 3865] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3865] <... symlinkat resumed>) = 0 [pid 3863] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3865] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3865] <... unlinkat resumed>) = 0 [pid 3865] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-6-1/strace-static-x86_64: Process 3866 attached ) = 0 [pid 3865] exit_group(0) = ? [pid 3866] set_robust_list(0x55556c898760, 24 [pid 3865] +++ exited with 0 +++ [pid 3866] <... set_robust_list resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3866] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3866] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3866] chdir("./727") = 0 [pid 3866] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3866] setpgid(0, 0) = 0 [pid 3866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3866] write(3, "1000", 4) = 4 [pid 3866] close(3) = 0 [pid 3866] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3866] write(1, "executing program\n", 18) = 18 executing program [pid 3866] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3866] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3866] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3866] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3866] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3866] exit_group(0) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3866] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./732", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./715", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] umount2("./700", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./676", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./715", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./732", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 307] openat(AT_FDCWD, "./700", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 306] openat(AT_FDCWD, "./676", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 306] fstat(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./732/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./715/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./732/binderfs" [pid 309] newfstatat(AT_FDCWD, "./715/binderfs" [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./715/binderfs" [pid 307] umount2("./700/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./676/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./732/binderfs") = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./700/binderfs" [pid 306] newfstatat(AT_FDCWD, "./676/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] unlink("./700/binderfs" [pid 310] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 306] unlink("./676/binderfs" [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./727", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./732/config" [pid 309] newfstatat(AT_FDCWD, "./715/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./727", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./700/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./676/config" [pid 310] openat(AT_FDCWD, "./732/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 309] openat(AT_FDCWD, "./715/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./676/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] openat(AT_FDCWD, "./700/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] fstat(4 [pid 308] umount2("./727/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./676/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 308] newfstatat(AT_FDCWD, "./727/binderfs" [pid 306] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 310] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] unlink("./727/binderfs" [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(4 [pid 309] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 310] rmdir("./732/config" [pid 309] close(4 [pid 308] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] close(4 [pid 310] getdents64(3 [pid 309] rmdir("./715/config" [pid 308] <... umount2 resumed>) = 0 [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] close(3 [pid 309] getdents64(3 [pid 308] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./700/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./727/config" [pid 309] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 310] rmdir("./732" [pid 309] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./676/config" [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./715" [pid 308] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] mkdir("./733", 0777 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./676" [pid 310] <... mkdir resumed>) = 0 [pid 309] mkdir("./716", 0777 [pid 308] openat(AT_FDCWD, "./727/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./677", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] rmdir("./700" [pid 306] <... mkdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(4 [pid 307] mkdir("./701", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3867 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3868 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 308] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3868 attached [pid 3868] set_robust_list(0x55556c898760, 24) = 0 [pid 3868] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3868] chdir("./733" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3869 [pid 308] close(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rmdir("./727/config" [pid 3868] <... chdir resumed>) = 0 [pid 3868] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3868] setpgid(0, 0) = 0 [pid 3868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3868] write(3, "1000", 4) = 4 [pid 3868] close(3) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3870 [pid 308] getdents64(3 [pid 3868] symlink("/dev/binderfs", "./binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./727" [pid 3868] <... symlink resumed>) = 0 [pid 3868] write(1, "executing program\n", 18) = 18 [pid 308] <... rmdir resumed>) = 0 executing program [pid 3868] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] mkdir("./728", 0777 [pid 3868] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3867 attached [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3867] set_robust_list(0x55556c898760, 24 [pid 3868] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3867] <... set_robust_list resumed>) = 0 [pid 3867] rt_sigprocmask(SIG_SETMASK, [] [pid 3868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3871 [pid 3867] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3867] chdir("./677" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3868] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3867] <... chdir resumed>) = 0 [pid 3868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 ci2-android-6-1/strace-static-x86_64: Process 3869 attached [pid 3867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3867] setpgid(0, 0) = 0 [pid 3867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3869] set_robust_list(0x55556c898760, 24ci2-android-6-1/strace-static-x86_64: Process 3870 attached ) = 0 [pid 3867] <... openat resumed>) = 3 [pid 3868] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3867] write(3, "1000", 4 [pid 3869] rt_sigprocmask(SIG_SETMASK, [] [pid 3868] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3867] <... write resumed>) = 4 [pid 3868] <... unlinkat resumed>) = 0 [pid 3870] set_robust_list(0x55556c898760, 24 [pid 3867] close(3) = 0 [pid 3867] symlink("/dev/binderfs", "./binderfs" [pid 3870] <... set_robust_list resumed>) = 0 [pid 3869] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3867] <... symlink resumed>) = 0 [pid 3868] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3869] chdir("./716" [pid 3868] <... unlinkat resumed>) = 0 [pid 3868] exit_group(0 [pid 3867] write(1, "executing program\n", 18 [pid 3870] rt_sigprocmask(SIG_SETMASK, [] [pid 3867] <... write resumed>) = 18 executing program [pid 3867] mkdirat(AT_FDCWD, "./config", 0777 [pid 3868] <... exit_group resumed>) = ? [pid 3870] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3869] <... chdir resumed>) = 0 [pid 3868] +++ exited with 0 +++ [pid 3870] chdir("./701" [pid 3869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3867] <... mkdirat resumed>) = 0 [pid 3867] mount(NULL, "./config", "configfs", 0, NULL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3867] <... mount resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3869] <... prctl resumed>) = 0 [pid 3867] <... mkdirat resumed>) = 0 [pid 3870] <... chdir resumed>) = 0 [pid 3867] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3867] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3869] setpgid(0, 0 [pid 3867] <... unlinkat resumed>) = 0 [pid 3870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3867] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3869] <... setpgid resumed>) = 0 [pid 3867] <... unlinkat resumed>) = 0 [pid 3870] <... prctl resumed>) = 0 [pid 3867] exit_group(0) = ? [pid 3870] setpgid(0, 0 [pid 3869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3867] +++ exited with 0 +++ [pid 3870] <... setpgid resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3871 attached [pid 3871] set_robust_list(0x55556c898760, 24) = 0 [pid 3871] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3871] chdir("./728" [pid 3869] <... openat resumed>) = 3 [pid 3870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3871] <... chdir resumed>) = 0 [pid 3871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3871] setpgid(0, 0) = 0 [pid 3871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3870] <... openat resumed>) = 3 [pid 3869] write(3, "1000", 4 [pid 3871] write(3, "1000", 4) = 4 [pid 3869] <... write resumed>) = 4 [pid 3870] write(3, "1000", 4 [pid 3871] close(3) = 0 [pid 3871] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3870] <... write resumed>) = 4 [pid 3869] close(3 [pid 3871] write(1, "executing program\n", 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 3869] <... close resumed>) = 0 [pid 3870] close(3 [pid 3871] <... write resumed>) = 18 executing program [pid 3871] mkdirat(AT_FDCWD, "./config", 0777 [pid 3870] <... close resumed>) = 0 [pid 3869] symlink("/dev/binderfs", "./binderfs" [pid 3871] <... mkdirat resumed>) = 0 [pid 3870] symlink("/dev/binderfs", "./binderfs" [pid 3869] <... symlink resumed>) = 0 [pid 306] umount2("./677", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./677", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3871] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] umount2("./733", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 3871] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 3869] write(1, "executing program\n", 18 [pid 310] openat(AT_FDCWD, "./733", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3870] <... symlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3870] write(1, "executing program\n", 18 [pid 3869] <... write resumed>) = 18 [pid 310] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 310] fstat(3 [pid 3871] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program executing program [pid 306] umount2("./677/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3869] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(3 [pid 3871] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3870] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./733/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./677/binderfs" [pid 3871] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./733/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./677/binderfs" [pid 310] unlink("./733/binderfs" [pid 3871] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3871] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3870] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3871] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./733/config" [pid 306] newfstatat(AT_FDCWD, "./677/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./677/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./733/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./677/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3871] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 306] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 306] getdents64(4 [pid 3871] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3869] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3870] <... mkdirat resumed>) = 0 [pid 3869] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(4 [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 306] close(4 [pid 3871] exit_group(0 [pid 3870] mount(NULL, "./config", "configfs", 0, NULL [pid 3869] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] rmdir("./733/config" [pid 306] rmdir("./677/config" [pid 3871] <... exit_group resumed>) = ? [pid 3871] +++ exited with 0 +++ [pid 3870] <... mount resumed>) = 0 [pid 3869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3869] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 306] close(3 [pid 3870] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3869] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./733" [pid 3869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] rmdir("./677" [pid 3870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] mkdir("./734", 0777 [pid 3869] <... mkdirat resumed>) = 0 [pid 3869] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... rmdir resumed>) = 0 [pid 3869] <... symlinkat resumed>) = 0 [pid 306] mkdir("./678", 0777 [pid 3869] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 3869] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3870] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3869] exit_group(0) = ? [pid 3869] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 3872 attached [pid 3870] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3872 [pid 3872] set_robust_list(0x55556c898760, 24 [pid 3870] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3873 [pid 3872] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3872] rt_sigprocmask(SIG_SETMASK, [] [pid 3870] <... symlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3872] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3870] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3872] chdir("./734" [pid 3870] <... unlinkat resumed>) = 0 [pid 3870] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3872] <... chdir resumed>) = 0 [pid 3872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3870] <... unlinkat resumed>) = 0 [pid 3872] <... prctl resumed>) = 0 [pid 3870] exit_group(0 [pid 3872] setpgid(0, 0 [pid 3870] <... exit_group resumed>) = ? [pid 3872] <... setpgid resumed>) = 0 [pid 3870] +++ exited with 0 +++ [pid 3872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3872] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 3873 attached [pid 3872] write(3, "1000", 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 3872] <... write resumed>) = 4 [pid 3873] set_robust_list(0x55556c898760, 24 [pid 3872] close(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3873] <... set_robust_list resumed>) = 0 [pid 3873] rt_sigprocmask(SIG_SETMASK, [] [pid 3872] <... close resumed>) = 0 [pid 3873] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./716", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3872] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./728", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./701", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./716", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./728", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 307] openat(AT_FDCWD, "./701", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 308] fstat(3 [pid 307] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3873] chdir("./678" [pid 3872] <... symlink resumed>) = 0 [pid 309] umount2("./716/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3873] <... chdir resumed>) = 0 [pid 3872] write(1, "executing program\n", 18 [pid 309] newfstatat(AT_FDCWD, "./716/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3872] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./728/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3873] <... prctl resumed>) = 0 [pid 309] unlink("./716/binderfs" [pid 307] umount2("./701/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3873] setpgid(0, 0 [pid 3872] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3873] <... setpgid resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./728/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./701/binderfs" [pid 3873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = 0 [pid 308] unlink("./728/binderfs" [pid 309] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 307] unlink("./701/binderfs" [pid 309] newfstatat(AT_FDCWD, "./716/config" [pid 308] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3872] <... mkdirat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 3873] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3873] write(3, "1000", 4 [pid 309] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3873] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3873] close(3 [pid 3872] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = 0 [pid 3873] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./716/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3873] symlink("/dev/binderfs", "./binderfs" [pid 3872] <... mount resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./728/config" [pid 307] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 3873] <... symlink resumed>) = 0 [pid 3872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3873] write(1, "executing program\n", 18 [pid 309] getdents64(4 [pid 308] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./701/config" [pid 3873] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./728/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3873] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(4 [pid 307] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 309] rmdir("./716/config" [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3872] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./701/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3872] <... mkdirat resumed>) = 0 [pid 309] getdents64(3 [pid 308] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 3872] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3873] <... mkdirat resumed>) = 0 [pid 307] fstat(4 [pid 309] close(3 [pid 308] getdents64(4 [pid 3873] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./716" [pid 308] close(4 [pid 307] getdents64(4 [pid 3872] <... symlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3872] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] mkdir("./717", 0777 [pid 308] rmdir("./728/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3873] <... mount resumed>) = 0 [pid 3872] <... unlinkat resumed>) = 0 [pid 3872] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 3872] exit_group(0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 308] getdents64(3 [pid 3873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 3873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3 [pid 307] <... close resumed>) = 0 [pid 3872] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 3874 attached [pid 3873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3872] +++ exited with 0 +++ [pid 308] <... close resumed>) = 0 [pid 307] rmdir("./701/config" [pid 3873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3874 [pid 308] rmdir("./728" [pid 3874] set_robust_list(0x55556c898760, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rmdir resumed>) = 0 [pid 3874] <... set_robust_list resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 308] mkdir("./729", 0777 [pid 3874] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3873] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 3873] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3874] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3873] <... symlinkat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 3874] chdir("./717" [pid 3873] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./701" [pid 3874] <... chdir resumed>) = 0 [pid 3874] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3874] setpgid(0, 0) = 0 [pid 3874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3875 [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3875 attached [pid 3873] <... unlinkat resumed>) = 0 [pid 3875] set_robust_list(0x55556c898760, 24 [pid 3874] <... openat resumed>) = 3 [pid 3873] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] mkdir("./702", 0777 [pid 3875] <... set_robust_list resumed>) = 0 [pid 3874] write(3, "1000", 4 [pid 3873] <... unlinkat resumed>) = 0 [pid 3874] <... write resumed>) = 4 [pid 3874] close(3) = 0 [pid 3873] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3873] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3874] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3874] write(1, "executing program\n", 18 [pid 3873] +++ exited with 0 +++ [pid 3875] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3875] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3874] <... write resumed>) = 18 executing program [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3874] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3876 attached [pid 3875] chdir("./729" [pid 3874] <... mkdirat resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3876 [pid 3876] set_robust_list(0x55556c898760, 24 [pid 3875] <... chdir resumed>) = 0 [pid 3874] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3876] <... set_robust_list resumed>) = 0 [pid 3875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3876] rt_sigprocmask(SIG_SETMASK, [] [pid 3875] <... prctl resumed>) = 0 [pid 3874] <... mount resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3876] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3875] setpgid(0, 0) = 0 [pid 3875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3876] chdir("./702") = 0 [pid 3875] <... openat resumed>) = 3 [pid 3874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3875] write(3, "1000", 4 [pid 3876] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3875] <... write resumed>) = 4 [pid 3876] <... prctl resumed>) = 0 [pid 3875] close(3 [pid 3876] setpgid(0, 0 [pid 3875] <... close resumed>) = 0 [pid 3876] <... setpgid resumed>) = 0 [pid 3875] symlink("/dev/binderfs", "./binderfs" [pid 3874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3875] <... symlink resumed>) = 0 [pid 3874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3875] write(1, "executing program\n", 18 [pid 3874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3876] <... openat resumed>) = 3 [pid 3875] <... write resumed>) = 18 [pid 3874] <... mkdirat resumed>) = 0 executing program [pid 3876] write(3, "1000", 4 [pid 3875] mkdirat(AT_FDCWD, "./config", 0777 [pid 3874] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3874] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3876] <... write resumed>) = 4 [pid 3875] <... mkdirat resumed>) = 0 [pid 3874] <... unlinkat resumed>) = 0 [pid 3876] close(3 [pid 3875] mount(NULL, "./config", "configfs", 0, NULL [pid 3874] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3876] <... close resumed>) = 0 [pid 3875] <... mount resumed>) = 0 [pid 3874] <... unlinkat resumed>) = 0 [pid 3876] symlink("/dev/binderfs", "./binderfs" [pid 3875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3874] exit_group(0 [pid 3875] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3874] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 3876] <... symlink resumed>) = 0 [pid 3875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3874] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 3876] write(1, "executing program\n", 18) = 18 [pid 3875] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 310] umount2("./734", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3876] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] openat(AT_FDCWD, "./734", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./678", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3875] <... mkdirat resumed>) = 0 [pid 310] fstat(3 [pid 3875] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] openat(AT_FDCWD, "./678", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 306] fstat(3 [pid 3875] <... symlinkat resumed>) = 0 [pid 3875] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./717", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./734/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 3875] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./734/binderfs" [pid 309] openat(AT_FDCWD, "./717", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3876] <... mkdirat resumed>) = 0 [pid 3875] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3876] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... openat resumed>) = 3 [pid 310] unlink("./734/binderfs" [pid 306] umount2("./678/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3875] <... unlinkat resumed>) = 0 [pid 309] fstat(3 [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] <... mount resumed>) = 0 [pid 3875] exit_group(0 [pid 310] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./678/binderfs" [pid 3876] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3875] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./717/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./678/binderfs" [pid 310] newfstatat(AT_FDCWD, "./734/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./717/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 310] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3875] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./717/binderfs" [pid 306] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3876] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./734/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 3876] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3876] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 310] fstat(4 [pid 308] umount2("./729", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3876] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./729", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./678/config" [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./717/config" [pid 308] <... openat resumed>) = 3 [pid 3876] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3876] <... symlinkat resumed>) = 0 [pid 310] close(4 [pid 309] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 306] umount2("./678/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./734/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 3876] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./717/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] openat(AT_FDCWD, "./678/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 309] <... openat resumed>) = 4 [pid 308] umount2("./729/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 306] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3876] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./729/binderfs" [pid 306] fstat(4 [pid 3876] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./734" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 308] unlink("./729/binderfs" [pid 3876] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3876] <... exit_group resumed>) = ? [pid 310] mkdir("./735", 0777 [pid 309] getdents64(4 [pid 308] <... unlink resumed>) = 0 [pid 306] getdents64(4 [pid 3876] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(4 [pid 308] <... umount2 resumed>) = 0 [pid 306] close(4 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rmdir("./717/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./729/config" [pid 306] rmdir("./678/config"ci2-android-6-1/strace-static-x86_64: Process 3877 attached [pid 309] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3877 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 3877] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 308] openat(AT_FDCWD, "./729/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3877] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] getdents64(3 [pid 3877] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./717" [pid 308] fstat(4 [pid 3877] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3877] chdir("./735" [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 3877] <... chdir resumed>) = 0 [pid 309] mkdir("./718", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] close(3 [pid 3877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 309] <... mkdir resumed>) = 0 [pid 3877] <... prctl resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3877] setpgid(0, 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./729/config" [pid 3877] <... setpgid resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] rmdir("./678" [pid 3877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./729") = 0 [pid 306] mkdir("./679", 0777 [pid 3877] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3878 [pid 308] mkdir("./730", 0777 [pid 3877] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3877] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3877] close(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3877] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3879 attached [pid 3877] symlink("/dev/binderfs", "./binderfs" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3879 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3877] <... symlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3878 attached [pid 307] umount2("./702", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3879] set_robust_list(0x55556c898760, 24 [pid 3877] write(1, "executing program\n", 18 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3880 [pid 3879] <... set_robust_list resumed>) = 0 [pid 3877] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./702", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3877] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... openat resumed>) = 3 executing program [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 3878] set_robust_list(0x55556c898760, 24 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3877] <... mkdirat resumed>) = 0 [pid 307] umount2("./702/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3879] rt_sigprocmask(SIG_SETMASK, [] [pid 3877] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3877] <... mount resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./702/binderfs" [pid 3879] chdir("./730" [pid 3877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3877] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] unlink("./702/binderfs" [pid 3879] <... chdir resumed>) = 0 [pid 3877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3878] <... set_robust_list resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 3879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3877] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3879] <... prctl resumed>) = 0 [pid 3877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3879] setpgid(0, 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./702/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3879] <... setpgid resumed>) = 0 [pid 3877] <... mkdirat resumed>) = 0 [pid 307] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3877] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3877] <... symlinkat resumed>) = 0 [pid 3879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] openat(AT_FDCWD, "./702/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3877] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... openat resumed>) = 4 [pid 3877] <... unlinkat resumed>) = 0 [pid 307] fstat(4 [pid 3879] <... openat resumed>) = 3 [pid 3877] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3879] write(3, "1000", 4 [pid 307] getdents64(4 [pid 3878] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3879] <... write resumed>) = 4 [pid 3877] <... unlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 3879] close(3 [pid 3877] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3877] <... exit_group resumed>) = ? [pid 307] close(4 [pid 3879] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./702/config" [pid 3878] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3878] chdir("./718") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 3878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... close resumed>) = 0 [pid 3878] <... prctl resumed>) = 0 [pid 307] rmdir("./702" [pid 3878] setpgid(0, 0) = 0 [pid 3878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 3877] +++ exited with 0 +++ [pid 307] mkdir("./703", 0777 [pid 3879] symlink("/dev/binderfs", "./binderfs" [pid 3878] <... openat resumed>) = 3 [pid 3878] write(3, "1000", 4) = 4 [pid 3878] close(3 [pid 307] <... mkdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3878] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3878] symlink("/dev/binderfs", "./binderfs" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3879] <... symlink resumed>) = 0 [pid 3878] <... symlink resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3878] write(1, "executing program\n", 18) = 18 executing program ci2-android-6-1/strace-static-x86_64: Process 3881 attached [pid 3879] write(1, "executing program\n", 18 [pid 3878] mkdirat(AT_FDCWD, "./config", 0777 [pid 3881] set_robust_list(0x55556c898760, 24 [pid 3879] <... write resumed>) = 18 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3881 executing program [pid 3881] <... set_robust_list resumed>) = 0 [pid 3879] mkdirat(AT_FDCWD, "./config", 0777 [pid 3878] <... mkdirat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3878] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3879] <... mkdirat resumed>) = 0 [pid 3878] <... mount resumed>) = 0 [pid 3879] mount(NULL, "./config", "configfs", 0, NULL [pid 3881] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3879] <... mount resumed>) = 0 [pid 3878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3881] chdir("./703" [pid 3879] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3881] <... chdir resumed>) = 0 [pid 3879] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3878] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3879] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3881] <... prctl resumed>) = 0 [pid 3879] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3878] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 3880 attached [pid 3881] setpgid(0, 0 [pid 3879] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3881] <... setpgid resumed>) = 0 [pid 3880] set_robust_list(0x55556c898760, 24 [pid 3879] <... mkdirat resumed>) = 0 [pid 3878] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3880] <... set_robust_list resumed>) = 0 [pid 3879] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3878] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3881] <... openat resumed>) = 3 [pid 3880] rt_sigprocmask(SIG_SETMASK, [] [pid 3879] <... symlinkat resumed>) = 0 [pid 3878] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3881] write(3, "1000", 4 [pid 3879] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3881] <... write resumed>) = 4 [pid 3881] close(3 [pid 3880] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3879] <... unlinkat resumed>) = 0 [pid 3878] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3881] <... close resumed>) = 0 [pid 3880] chdir("./679" [pid 3879] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3878] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3881] symlink("/dev/binderfs", "./binderfs" [pid 3880] <... chdir resumed>) = 0 [pid 3879] <... unlinkat resumed>) = 0 [pid 3878] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3880] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3879] exit_group(0 [pid 3878] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3881] <... symlink resumed>) = 0 [pid 3880] <... prctl resumed>) = 0 [pid 3879] <... exit_group resumed>) = ? [pid 3878] exit_group(0 [pid 3881] write(1, "executing program\n", 18 [pid 3880] setpgid(0, 0 [pid 3878] <... exit_group resumed>) = ? executing program [pid 3881] <... write resumed>) = 18 [pid 3880] <... setpgid resumed>) = 0 [pid 3879] +++ exited with 0 +++ [pid 3878] +++ exited with 0 +++ [pid 3881] mkdirat(AT_FDCWD, "./config", 0777 [pid 3880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3880] <... openat resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3881] <... mkdirat resumed>) = 0 [pid 3880] write(3, "1000", 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3881] mount(NULL, "./config", "configfs", 0, NULL [pid 3880] <... write resumed>) = 4 [pid 3881] <... mount resumed>) = 0 [pid 3880] close(3 [pid 310] umount2("./735", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3880] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3881] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3880] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./735", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3880] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 3881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3880] write(1, "executing program\n", 18 [pid 310] fstat(3 [pid 3880] <... write resumed>) = 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 3881] <... mkdirat resumed>) = 0 [pid 3880] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(3 [pid 3881] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3880] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3881] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3880] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./735/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3880] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./735/binderfs" [pid 3880] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./730", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./718", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3880] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./735/binderfs" [pid 308] openat(AT_FDCWD, "./730", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... openat resumed>) = 3 [pid 3880] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(3 [pid 3880] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3880] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 3880] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3880] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./718", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./730/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3880] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3881] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3880] <... unlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./730/binderfs" [pid 3880] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 309] fstat(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3880] <... exit_group resumed>) = ? [pid 310] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./730/binderfs" [pid 3881] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3880] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 3881] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] newfstatat(AT_FDCWD, "./735/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./718/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3881] exit_group(0 [pid 310] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3881] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./718/binderfs" [pid 308] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3881] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./735/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] unlink("./718/binderfs" [pid 308] newfstatat(AT_FDCWD, "./730/config" [pid 310] fstat(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(4 [pid 309] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./730/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = 0 [pid 308] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./718/config" [pid 308] rmdir("./730/config" [pid 310] rmdir("./735/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./730" [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./731", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./718/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(3 [pid 309] <... openat resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] fstat(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./735" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3882 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 310] mkdir("./736", 0777ci2-android-6-1/strace-static-x86_64: Process 3882 attached [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3882] set_robust_list(0x55556c898760, 24 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3882] <... set_robust_list resumed>) = 0 [pid 309] close(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... close resumed>) = 0 [pid 3882] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3882] chdir("./731") = 0 [pid 3882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] rmdir("./718/config" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3883 [pid 3882] setpgid(0, 0) = 0 [pid 3882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./718" [pid 3882] <... openat resumed>) = 3 [pid 3882] write(3, "1000", 4) = 4 [pid 3882] close(3) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3882] symlink("/dev/binderfs", "./binderfs" [pid 309] mkdir("./719", 0777 [pid 3882] <... symlink resumed>) = 0 [pid 3882] write(1, "executing program\n", 18) = 18 [pid 309] <... mkdir resumed>) = 0 executing program [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3882] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3882] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3884 [pid 3882] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3882] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3882] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3882] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 3882] <... mkdirat resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3882] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./703", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] umount2("./679", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./703", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./679", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 307] umount2("./703/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./679/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./703/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./679/binderfs" [pid 307] unlink("./703/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./679/binderfs" [pid 307] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 307] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./703/config" [pid 306] newfstatat(AT_FDCWD, "./679/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./679/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./703/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./679/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 4 [pid 3882] <... symlinkat resumed>) = 0 [pid 307] fstat(4 [pid 306] <... openat resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(4 [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3882] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 307] getdents64(4 [pid 3882] <... unlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 307] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 306] close(4 [pid 307] rmdir("./703/config" [pid 3882] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... close resumed>) = 0 [pid 3882] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 3884 attached [pid 3882] +++ exited with 0 +++ [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./679/config" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3883 attached [pid 306] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3883] set_robust_list(0x55556c898760, 24 [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 307] rmdir("./703" [pid 306] <... close resumed>) = 0 [pid 3883] <... set_robust_list resumed>) = 0 [pid 3883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./679" [pid 3883] chdir("./736") = 0 [pid 3883] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3883] setpgid(0, 0 [pid 307] mkdir("./704", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 3883] <... setpgid resumed>) = 0 [pid 306] mkdir("./680", 0777 [pid 3883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3883] write(3, "1000", 4 [pid 307] <... mkdir resumed>) = 0 [pid 3883] <... write resumed>) = 4 [pid 3883] close(3) = 0 [pid 3883] symlink("/dev/binderfs", "./binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3883] <... symlink resumed>) = 0 [pid 3883] write(1, "executing program\n", 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3883] <... write resumed>) = 18 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3883] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3883] mount(NULL, "./config", "configfs", 0, NULL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3885 [pid 3883] <... mount resumed>) = 0 [pid 3883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./731", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./731", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3886 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./731/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./731/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./731/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3886 attached [pid 3884] set_robust_list(0x55556c898760, 24 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 308] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./731/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./731/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 3884] <... set_robust_list resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./731/config" [pid 3886] set_robust_list(0x55556c898760, 24 [pid 3884] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./731" [pid 3886] <... set_robust_list resumed>) = 0 [pid 3884] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./732", 0777 [pid 3886] rt_sigprocmask(SIG_SETMASK, [] [pid 3884] chdir("./719" [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3886] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3884] <... chdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3887 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3883] <... mkdirat resumed>) = 0 [pid 3886] chdir("./680" [pid 3883] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3884] <... prctl resumed>) = 0 [pid 3883] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3884] setpgid(0, 0 [pid 3883] <... unlinkat resumed>) = 0 [pid 3883] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3884] <... setpgid resumed>) = 0 [pid 3883] <... unlinkat resumed>) = 0 [pid 3884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3883] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 3887 attached [pid 3886] <... chdir resumed>) = 0 [pid 3884] <... openat resumed>) = 3 [pid 3883] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 3885 attached [pid 3885] set_robust_list(0x55556c898760, 24) = 0 [pid 3885] rt_sigprocmask(SIG_SETMASK, [] [pid 3884] write(3, "1000", 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3887] set_robust_list(0x55556c898760, 24 [pid 3885] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3884] <... write resumed>) = 4 [pid 3885] chdir("./704") = 0 [pid 3885] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3885] setpgid(0, 0) = 0 [pid 3885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3886] <... prctl resumed>) = 0 [pid 3884] close(3 [pid 3887] <... set_robust_list resumed>) = 0 [pid 3885] <... openat resumed>) = 3 [pid 3884] <... close resumed>) = 0 [pid 3885] write(3, "1000", 4) = 4 [pid 3885] close(3) = 0 [pid 3885] symlink("/dev/binderfs", "./binderfs" [pid 3886] setpgid(0, 0 [pid 3885] <... symlink resumed>) = 0 [pid 3884] symlink("/dev/binderfs", "./binderfs" [pid 3885] write(1, "executing program\n", 18) = 18 executing program [pid 3885] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3884] <... symlink resumed>) = 0 [pid 3885] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3884] write(1, "executing program\n", 18 [pid 3886] <... setpgid resumed>) = 0 [pid 3885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3884] <... write resumed>) = 18 executing program [pid 3885] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3885] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3885] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3884] mkdirat(AT_FDCWD, "./config", 0777 [pid 3885] <... unlinkat resumed>) = 0 [pid 3885] exit_group(0) = ? [pid 3887] rt_sigprocmask(SIG_SETMASK, [] [pid 3885] +++ exited with 0 +++ [pid 3884] <... mkdirat resumed>) = 0 [pid 3887] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3884] mount(NULL, "./config", "configfs", 0, NULL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3887] chdir("./732" [pid 3884] <... mount resumed>) = 0 [pid 3887] <... chdir resumed>) = 0 [pid 3887] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3887] setpgid(0, 0) = 0 [pid 3887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3887] <... openat resumed>) = 3 [pid 3887] write(3, "1000", 4) = 4 [pid 3887] close(3) = 0 [pid 3887] symlink("/dev/binderfs", "./binderfs" [pid 3884] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3887] <... symlink resumed>) = 0 [pid 3886] <... openat resumed>) = 3 [pid 3884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 3886] write(3, "1000", 4 [pid 3887] write(1, "executing program\n", 18 [pid 3884] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3887] <... write resumed>) = 18 [pid 3886] <... write resumed>) = 4 executing program [pid 3884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3886] close(3 [pid 3884] <... mkdirat resumed>) = 0 [pid 307] umount2("./704", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3887] mkdirat(AT_FDCWD, "./config", 0777 [pid 3886] <... close resumed>) = 0 [pid 3884] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3886] symlink("/dev/binderfs", "./binderfs" [pid 3884] <... symlinkat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] openat(AT_FDCWD, "./704", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3884] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 3884] <... unlinkat resumed>) = 0 [pid 310] umount2("./736", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3884] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 310] openat(AT_FDCWD, "./736", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... openat resumed>) = 3 [pid 3887] <... mkdirat resumed>) = 0 [pid 3887] mount(NULL, "./config", "configfs", 0, NULL [pid 3884] <... unlinkat resumed>) = 0 [pid 307] umount2("./704/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 3886] <... symlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3887] <... mount resumed>) = 0 [pid 3884] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./704/binderfs" [pid 3886] write(1, "executing program\n", 18 [pid 3887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3884] <... exit_group resumed>) = ? executing program [pid 310] getdents64(3 [pid 3887] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3886] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./736/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3887] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./704/binderfs" [pid 310] newfstatat(AT_FDCWD, "./736/binderfs" [pid 3887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... unlink resumed>) = 0 [pid 3887] <... mkdirat resumed>) = 0 [pid 3886] mkdirat(AT_FDCWD, "./config", 0777 [pid 3884] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./736/binderfs" [pid 3887] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = 0 [pid 3887] <... symlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3887] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3886] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./704/config" [pid 310] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3886] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3887] <... unlinkat resumed>) = 0 [pid 3886] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./736/config" [pid 3886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] openat(AT_FDCWD, "./704/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] fstat(4 [pid 3886] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./736/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] getdents64(4 [pid 310] fstat(4 [pid 3887] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3886] <... symlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3887] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3886] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 [pid 307] getdents64(4 [pid 3887] exit_group(0 [pid 3886] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3886] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 307] close(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3887] <... exit_group resumed>) = ? [pid 3886] <... unlinkat resumed>) = 0 [pid 310] close(4 [pid 307] <... close resumed>) = 0 [pid 3887] +++ exited with 0 +++ [pid 3886] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 307] rmdir("./704/config" [pid 3886] <... exit_group resumed>) = ? [pid 310] rmdir("./736/config" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3886] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 307] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3886, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 307] close(3 [pid 310] rmdir("./736" [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./704" [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./737", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] mkdir("./705", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... mkdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3888 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3888 attached [pid 3888] set_robust_list(0x55556c898760, 24) = 0 [pid 3888] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3888] chdir("./737" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3889 [pid 3888] <... chdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3888] <... prctl resumed>) = 0 [pid 3888] setpgid(0, 0) = 0 [pid 3888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ci2-android-6-1/strace-static-x86_64: Process 3889 attached [pid 3888] write(3, "1000", 4) = 4 [pid 3888] close(3) = 0 [pid 3888] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3888] write(1, "executing program\n", 18) = 18 executing program [pid 3888] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3888] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3888] <... mount resumed>) = 0 [pid 3888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./719", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3888] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] openat(AT_FDCWD, "./719", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... restart_syscall resumed>) = 0 [pid 3888] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 308] umount2("./732", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./732", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./680", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3888] <... mkdirat resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3889] set_robust_list(0x55556c898760, 24 [pid 3888] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(3 [pid 306] openat(AT_FDCWD, "./680", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3889] <... set_robust_list resumed>) = 0 [pid 3888] <... symlinkat resumed>) = 0 [pid 309] umount2("./719/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 3889] rt_sigprocmask(SIG_SETMASK, [] [pid 3888] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./719/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3889] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3888] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 3889] chdir("./705" [pid 3888] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] unlink("./719/binderfs" [pid 308] umount2("./732/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3888] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3888] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./732/binderfs" [pid 306] umount2("./680/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3888] <... exit_group resumed>) = ? [pid 309] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3888] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = 0 [pid 308] unlink("./732/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./680/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./719/config" [pid 308] <... umount2 resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./680/binderfs" [pid 309] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./732/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3889] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 3889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] openat(AT_FDCWD, "./719/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3889] <... prctl resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./732/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3889] setpgid(0, 0 [pid 309] fstat(4 [pid 308] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = 0 [pid 3889] <... setpgid resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(4 [pid 306] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3889] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3889] write(3, "1000", 4 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3889] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./680/config" [pid 3889] close(3 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3889] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] close(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3889] symlink("/dev/binderfs", "./binderfs" [pid 309] rmdir("./719/config" [pid 308] <... close resumed>) = 0 [pid 3889] <... symlink resumed>) = 0 [pid 308] rmdir("./732/config" [pid 306] umount2("./680/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3889] write(1, "executing program\n", 18 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3889] <... write resumed>) = 18 [pid 309] getdents64(3 executing program [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3889] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3889] <... mkdirat resumed>) = 0 [pid 309] close(3 [pid 308] close(3 [pid 306] openat(AT_FDCWD, "./680/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3889] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3889] <... mount resumed>) = 0 [pid 309] rmdir("./719" [pid 308] rmdir("./732" [pid 306] <... openat resumed>) = 4 [pid 3889] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] mkdir("./733", 0777 [pid 306] fstat(4 [pid 3889] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] mkdir("./720", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3889] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./737", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3890 attached [pid 3889] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3890 [pid 3889] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] openat(AT_FDCWD, "./737", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3890] set_robust_list(0x55556c898760, 24) = 0 [pid 3889] <... mkdirat resumed>) = 0 [pid 3890] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3890] chdir("./733") = 0 [pid 3890] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3890] setpgid(0, 0) = 0 [pid 310] fstat(3 [pid 306] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3891 [pid 3889] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(4 [pid 3889] <... symlinkat resumed>) = 0 [pid 3890] <... openat resumed>) = 3 [pid 3889] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... close resumed>) = 0 [pid 310] umount2("./737/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3890] write(3, "1000", 4 [pid 3889] <... unlinkat resumed>) = 0 [pid 306] rmdir("./680/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3890] <... write resumed>) = 4 [pid 3890] close(3) = 0 [pid 3890] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3889] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./737/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 3890] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 3890] <... write resumed>) = 18 executing program [pid 3890] mkdirat(AT_FDCWD, "./config", 0777 [pid 3889] <... unlinkat resumed>) = 0 [pid 310] unlink("./737/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3890] <... mkdirat resumed>) = 0 [pid 3889] exit_group(0 [pid 310] <... unlink resumed>) = 0 [pid 306] close(3 [pid 310] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3889] <... exit_group resumed>) = ? [pid 306] <... close resumed>) = 0 [pid 3890] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rmdir("./680" [pid 3890] <... mount resumed>) = 0 [pid 3890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-6-1/strace-static-x86_64: Process 3891 attached ) = -1 EEXIST (File exists) [pid 3891] set_robust_list(0x55556c898760, 24 [pid 3890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3889] +++ exited with 0 +++ [pid 3891] <... set_robust_list resumed>) = 0 [pid 3890] <... mkdirat resumed>) = 0 [pid 3891] rt_sigprocmask(SIG_SETMASK, [] [pid 3890] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3889, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] mkdir("./681", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3891] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3890] <... symlinkat resumed>) = 0 [pid 3891] chdir("./720" [pid 3890] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3891] <... chdir resumed>) = 0 [pid 3890] <... unlinkat resumed>) = 0 [pid 3891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3890] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./737/config" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3891] <... prctl resumed>) = 0 [pid 3890] <... unlinkat resumed>) = 0 [pid 3891] setpgid(0, 0 [pid 3890] exit_group(0 [pid 3891] <... setpgid resumed>) = 0 [pid 3890] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 3892 attached [pid 3891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3890] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./737/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3891] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3892 [pid 3891] write(3, "1000", 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3891] <... write resumed>) = 4 [pid 3891] close(3) = 0 [pid 3891] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(4 [pid 3891] write(1, "executing program\n", 18) = 18 executing program [pid 3891] mkdirat(AT_FDCWD, "./config", 0777 [pid 3892] set_robust_list(0x55556c898760, 24 [pid 3891] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3891] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] getdents64(4 [pid 3891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3892] <... set_robust_list resumed>) = 0 [pid 3891] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 3891] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3891] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3891] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3891] exit_group(0) = ? [pid 3892] rt_sigprocmask(SIG_SETMASK, [] [pid 3891] +++ exited with 0 +++ [pid 310] close(4 [pid 3892] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rmdir("./737/config" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3892] chdir("./681") = 0 [pid 3892] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3892] setpgid(0, 0) = 0 [pid 3892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 3892] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 3892] write(3, "1000", 4) = 4 [pid 3892] close(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3892] <... close resumed>) = 0 [pid 310] close(3 [pid 3892] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 3892] <... symlink resumed>) = 0 [pid 310] rmdir("./737" [pid 3892] write(1, "executing program\n", 18 [pid 308] <... restart_syscall resumed>) = 0 [pid 3892] <... write resumed>) = 18 executing program [pid 3892] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 3892] <... mkdirat resumed>) = 0 [pid 310] mkdir("./738", 0777 [pid 308] umount2("./733", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3892] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3892] <... mount resumed>) = 0 [pid 308] openat(AT_FDCWD, "./733", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... restart_syscall resumed>) = 0 [pid 3892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... openat resumed>) = 3 [pid 3892] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 308] fstat(3 [pid 3892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3892] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 3892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3892] <... mkdirat resumed>) = 0 [pid 308] umount2("./733/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./705", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3892] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3892] <... symlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./733/binderfs" [pid 3892] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3892] <... unlinkat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] unlink("./733/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3893 attached [pid 3892] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3893 [pid 308] <... unlink resumed>) = 0 [pid 3892] <... unlinkat resumed>) = 0 [pid 308] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./705", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3892] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = 0 [pid 3892] <... exit_group resumed>) = ? [pid 308] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 3893] set_robust_list(0x55556c898760, 24 [pid 3892] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./720", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 308] newfstatat(AT_FDCWD, "./733/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./733/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./733/config") = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3893] <... set_robust_list resumed>) = 0 [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./720", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] rmdir("./733" [pid 307] umount2("./705/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./734", 0777 [pid 3893] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] newfstatat(AT_FDCWD, "./705/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3893] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./720/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./705/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3894 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./720/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./720/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3894 attached [pid 3894] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 309] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./705/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./720/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./681", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./705/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 309] openat(AT_FDCWD, "./720/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./681", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] <... openat resumed>) = 3 [pid 309] fstat(4 [pid 307] getdents64(4 [pid 306] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 306] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 3894] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] close(4 [pid 307] <... close resumed>) = 0 [pid 3894] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3893] chdir("./738" [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./705/config" [pid 306] umount2("./681/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3894] chdir("./734" [pid 3893] <... chdir resumed>) = 0 [pid 309] rmdir("./720/config" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3894] <... chdir resumed>) = 0 [pid 3894] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./681/binderfs" [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3894] <... prctl resumed>) = 0 [pid 3893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] unlink("./681/binderfs" [pid 309] <... close resumed>) = 0 [pid 307] close(3 [pid 3894] setpgid(0, 0) = 0 [pid 306] <... unlink resumed>) = 0 [pid 3893] <... prctl resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] rmdir("./720" [pid 306] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./705" [pid 3894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3893] setpgid(0, 0) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3894] <... openat resumed>) = 3 executing program executing program [pid 309] mkdir("./721", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3893] <... openat resumed>) = 3 [pid 3893] write(3, "1000", 4) = 4 [pid 3894] write(3, "1000", 4) = 4 [pid 309] <... mkdir resumed>) = 0 [pid 307] mkdir("./706", 0777 [pid 306] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3893] close(3 [pid 3894] close(3 [pid 3893] <... close resumed>) = 0 [pid 3894] <... close resumed>) = 0 [pid 3893] symlink("/dev/binderfs", "./binderfs" [pid 3894] symlink("/dev/binderfs", "./binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] newfstatat(AT_FDCWD, "./681/config" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3893] <... symlink resumed>) = 0 [pid 3894] <... symlink resumed>) = 0 [pid 3894] write(1, "executing program\n", 18 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./681/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3894] <... write resumed>) = 18 [pid 3893] write(1, "executing program\n", 18 [pid 3894] mkdirat(AT_FDCWD, "./config", 0777 [pid 3893] <... write resumed>) = 18 [pid 3893] mkdirat(AT_FDCWD, "./config", 0777 [pid 3894] <... mkdirat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3895 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3896 attached [pid 3893] <... mkdirat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3896 [pid 306] openat(AT_FDCWD, "./681/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3894] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3893] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 4 [pid 3893] <... mount resumed>) = 0 [pid 3894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3893] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(4 [pid 3894] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3893] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(4 [pid 3894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3893] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3893] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(4 [pid 3894] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] close(4 [pid 3893] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3895 attached [pid 3896] set_robust_list(0x55556c898760, 24 [pid 3894] <... mkdirat resumed>) = 0 [pid 306] rmdir("./681/config" [pid 3893] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3893] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3893] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3894] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 3894] <... symlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3893] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] rmdir("./681" [pid 3893] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3893] exit_group(0 [pid 3894] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3893] <... exit_group resumed>) = ? [pid 306] <... rmdir resumed>) = 0 [pid 3896] <... set_robust_list resumed>) = 0 [pid 3895] set_robust_list(0x55556c898760, 24 [pid 3894] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3893] +++ exited with 0 +++ [pid 306] mkdir("./682", 0777 [pid 3894] <... unlinkat resumed>) = 0 [pid 3894] exit_group(0) = ? [pid 3896] rt_sigprocmask(SIG_SETMASK, [] [pid 3895] <... set_robust_list resumed>) = 0 [pid 3894] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... restart_syscall resumed>) = 0 [pid 3896] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3896] chdir("./706") = 0 [pid 3896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3896] setpgid(0, 0) = 0 [pid 3896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3897 [pid 308] umount2("./734", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3896] write(3, "1000", 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3896] <... write resumed>) = 4 [pid 308] openat(AT_FDCWD, "./734", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3896] close(3 [pid 308] <... openat resumed>) = 3 [pid 3896] <... close resumed>) = 0 [pid 308] fstat(3 [pid 3896] symlink("/dev/binderfs", "./binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3896] <... symlink resumed>) = 0 [pid 308] getdents64(3 executing program [pid 3896] write(1, "executing program\n", 18) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3896] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] umount2("./734/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3896] <... mkdirat resumed>) = 0 [pid 3895] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3896] mount(NULL, "./config", "configfs", 0, NULL [pid 308] newfstatat(AT_FDCWD, "./734/binderfs" [pid 3896] <... mount resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] unlink("./734/binderfs" [pid 3896] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 3896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3896] <... mkdirat resumed>) = 0 [pid 3895] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3896] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3896] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3896] <... unlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./734/config" [pid 3896] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3895] chdir("./721" [pid 308] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3897 attached ) = -1 EINVAL (Invalid argument) [pid 3897] set_robust_list(0x55556c898760, 24 [pid 308] openat(AT_FDCWD, "./734/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3897] <... set_robust_list resumed>) = 0 [pid 3897] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 4 [pid 3897] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(4 [pid 3897] chdir("./682" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3897] <... chdir resumed>) = 0 [pid 308] getdents64(4 [pid 3897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3896] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3896] <... exit_group resumed>) = ? [pid 308] getdents64(4 [pid 3896] +++ exited with 0 +++ [pid 3895] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rmdir("./734/config" [pid 3897] <... prctl resumed>) = 0 [pid 3897] setpgid(0, 0) = 0 [pid 3897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 3897] write(3, "1000", 4 [pid 308] getdents64(3 [pid 3897] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3897] close(3 [pid 308] close(3 [pid 3897] <... close resumed>) = 0 [pid 3897] symlink("/dev/binderfs", "./binderfs" [pid 308] <... close resumed>) = 0 [pid 3897] <... symlink resumed>) = 0 [pid 308] rmdir("./734" [pid 3895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3897] write(1, "executing program\n", 18) = 18 executing program [pid 3897] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3895] <... prctl resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3897] mount(NULL, "./config", "configfs", 0, NULL [pid 308] mkdir("./735", 0777 [pid 3897] <... mount resumed>) = 0 [pid 3897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3897] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3897] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3897] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3898 [pid 307] umount2("./706", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3897] <... unlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3895] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./706", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3895] <... setpgid resumed>) = 0 [pid 3897] exit_group(0) = ? [pid 3897] +++ exited with 0 +++ [pid 3895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 3898 attached [pid 307] fstat(3 [pid 3898] set_robust_list(0x55556c898760, 24 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3897, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./738", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3898] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3895] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./738", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./706/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 3895] write(3, "1000", 4 [pid 307] newfstatat(AT_FDCWD, "./706/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3898] rt_sigprocmask(SIG_SETMASK, [] [pid 3895] <... write resumed>) = 4 [pid 310] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3898] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] unlink("./706/binderfs" [pid 3895] close(3 [pid 310] umount2("./738/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3898] chdir("./735" [pid 307] <... unlink resumed>) = 0 [pid 3898] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3895] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./738/binderfs" [pid 3895] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./738/binderfs" [pid 3898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3898] <... prctl resumed>) = 0 [pid 3898] setpgid(0, 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./706/config" [pid 310] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./706/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3895] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./738/config" executing program [pid 3895] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(4 [pid 3895] <... write resumed>) = 18 [pid 310] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 310] openat(AT_FDCWD, "./738/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3895] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 4 [pid 307] getdents64(4 [pid 310] fstat(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(4 [pid 310] getdents64(4 [pid 3898] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 307] rmdir("./706/config" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./682", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3898] write(3, "1000", 4) = 4 [pid 3898] close(3) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./682", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./738/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 3 [pid 3898] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] close(3 [pid 306] fstat(3 [pid 3895] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./706" [pid 310] close(3 [pid 306] getdents64(3 [pid 3898] write(1, "executing program\n", 18) = 18 [pid 3898] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 3898] <... mkdirat resumed>) = 0 [pid 3895] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rmdir("./738" [pid 307] mkdir("./707", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3898] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 3898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] mkdir("./739", 0777 [pid 306] umount2("./682/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3898] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3898] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3895] <... mount resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./682/binderfs" [pid 3895] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3898] <... unlinkat resumed>) = 0 [pid 3898] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3898] exit_group(0) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3899 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3895] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3898] +++ exited with 0 +++ [pid 3895] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] unlink("./682/binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3900 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3899 attached [pid 3899] set_robust_list(0x55556c898760, 24 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3895] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3895] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3899] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3899] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3895] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3899] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3895] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] newfstatat(AT_FDCWD, "./682/config" [pid 3899] chdir("./707" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3895] <... symlinkat resumed>) = 0 [pid 306] umount2("./682/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3899] <... chdir resumed>) = 0 [pid 3895] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3899] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] openat(AT_FDCWD, "./682/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3895] <... unlinkat resumed>) = 0 [pid 3899] <... prctl resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 3895] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] fstat(4 [pid 3899] setpgid(0, 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3899] <... setpgid resumed>) = 0 [pid 306] getdents64(4 [pid 3899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3895] <... unlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 3899] <... openat resumed>) = 3 [pid 3895] exit_group(0 [pid 306] getdents64(4 [pid 3899] write(3, "1000", 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3895] <... exit_group resumed>) = ? [pid 306] close(4 [pid 3899] <... write resumed>) = 4 [pid 3899] close(3 [pid 306] <... close resumed>) = 0 [pid 3899] <... close resumed>) = 0 [pid 306] rmdir("./682/config" [pid 3899] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3899] write(1, "executing program\n", 18 [pid 306] <... rmdir resumed>) = 0 [pid 3899] <... write resumed>) = 18 [pid 306] getdents64(3 [pid 3899] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3899] <... mkdirat resumed>) = 0 [pid 306] close(3 [pid 3899] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./682" [pid 3899] <... mount resumed>) = 0 [pid 3899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3895] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] mkdir("./683", 0777 [pid 3899] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3899] <... symlinkat resumed>) = 0 [pid 3899] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] umount2("./735", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] openat(AT_FDCWD, "./735", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3899] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... openat resumed>) = 3 [pid 3899] <... unlinkat resumed>) = 0 [pid 3899] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 3900 attached [pid 3899] +++ exited with 0 +++ [pid 308] fstat(3ci2-android-6-1/strace-static-x86_64: Process 3901 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3901 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./735/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3901] set_robust_list(0x55556c898760, 24 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3901] <... set_robust_list resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./735/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./735/binderfs" [pid 3901] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 3901] chdir("./683") = 0 [pid 308] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3901] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3901] setpgid(0, 0 [pid 308] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3901] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./735/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./735/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4 [pid 3901] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3901] write(3, "1000", 4 [pid 308] getdents64(4 [pid 3901] <... write resumed>) = 4 [pid 3901] close(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3901] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 3901] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3901] <... symlink resumed>) = 0 [pid 3900] set_robust_list(0x55556c898760, 24 [pid 308] close(4 [pid 3901] write(1, "executing program\n", 18) = 18 [pid 308] <... close resumed>) = 0 [pid 3900] <... set_robust_list resumed>) = 0 [pid 308] rmdir("./735/config" [pid 3901] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3900] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 3901] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 308] getdents64(3 [pid 3900] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3901] <... mount resumed>) = 0 [pid 3900] chdir("./739" [pid 308] close(3 [pid 3901] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3900] <... chdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3901] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rmdir("./735" [pid 3901] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3901] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3900] <... prctl resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3901] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3900] setpgid(0, 0 [pid 308] mkdir("./736", 0777 [pid 3901] <... symlinkat resumed>) = 0 [pid 3901] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3901] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3900] <... setpgid resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 3901] exit_group(0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3901] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 3901] +++ exited with 0 +++ [pid 3900] <... openat resumed>) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3900] write(3, "1000", 4) = 4 [pid 3900] close(3) = 0 [pid 3900] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3900] write(1, "executing program\n", 18) = 18 [pid 3900] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3902 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3900] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3900] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./707", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3902 attached [pid 3902] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3902] <... set_robust_list resumed>) = 0 [pid 307] openat(AT_FDCWD, "./707", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3900] <... mount resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 3900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3900] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(3 [pid 3900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3900] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./707/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] newfstatat(AT_FDCWD, "./707/binderfs" [pid 3902] chdir("./736" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./707/binderfs" [pid 3902] <... chdir resumed>) = 0 [pid 3902] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... unlink resumed>) = 0 [pid 3902] setpgid(0, 0 [pid 307] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3900] <... mkdirat resumed>) = 0 [pid 3902] <... setpgid resumed>) = 0 [pid 3900] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = 0 [pid 3902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./707/config" [pid 3900] <... symlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3902] <... openat resumed>) = 3 [pid 3900] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3902] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3902] <... write resumed>) = 4 [pid 307] openat(AT_FDCWD, "./707/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3900] <... unlinkat resumed>) = 0 [pid 3902] close(3) = 0 [pid 3902] symlink("/dev/binderfs", "./binderfs" [pid 307] <... openat resumed>) = 4 [pid 3900] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] fstat(4 [pid 3902] <... symlink resumed>) = 0 [pid 3900] <... unlinkat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 3902] write(1, "executing program\n", 18) = 18 [pid 3902] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./721", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3900] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3900] <... exit_group resumed>) = ? [pid 307] getdents64(4 [pid 309] openat(AT_FDCWD, "./721", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3902] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] close(4 [pid 309] fstat(3 executing program [pid 3902] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 3902] <... mount resumed>) = 0 [pid 309] getdents64(3 [pid 307] rmdir("./707/config" [pid 3902] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3902] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3902] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3902] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3900] +++ exited with 0 +++ [pid 309] umount2("./721/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./721/binderfs" [pid 307] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] unlink("./721/binderfs" [pid 307] close(3 [pid 3902] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 3902] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] rmdir("./707" [pid 309] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3902] <... unlinkat resumed>) = 0 [pid 3902] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3902] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./683", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./721/config" [pid 307] mkdir("./708", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3902] <... exit_group resumed>) = ? [pid 3902] +++ exited with 0 +++ [pid 309] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./683", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./721/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3 [pid 309] fstat(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./683/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./683/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] unlink("./683/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3903 attached [pid 309] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3903 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3903] set_robust_list(0x55556c898760, 24 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 3903] <... set_robust_list resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3903] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./683/config" [pid 3903] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./721/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3903] chdir("./708" [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./683/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 3903] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3903] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(3 [pid 3903] <... prctl resumed>) = 0 [pid 306] openat(AT_FDCWD, "./683/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3903] setpgid(0, 0 [pid 309] <... close resumed>) = 0 [pid 3903] <... setpgid resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] rmdir("./721" [pid 306] fstat(4 [pid 3903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./722", 0777 [pid 306] getdents64(4 [pid 3903] <... openat resumed>) = 3 [pid 3903] write(3, "1000", 4) = 4 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(4 [pid 3903] close(3) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(4 [pid 3903] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3903] write(1, "executing program\n", 18) = 18 executing program [pid 3903] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3904 attached [pid 306] rmdir("./683/config" [pid 308] <... restart_syscall resumed>) = 0 [pid 3904] set_robust_list(0x55556c898760, 24) = 0 [pid 3904] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 3904] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./739", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3904 [pid 308] umount2("./736", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 3903] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3904] chdir("./722" [pid 3903] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./739", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3904] <... chdir resumed>) = 0 [pid 3903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./736", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3904] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3903] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 306] close(3 [pid 3904] <... prctl resumed>) = 0 [pid 3903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 3904] setpgid(0, 0 [pid 3903] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 3904] <... setpgid resumed>) = 0 [pid 3903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] fstat(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rmdir("./683" [pid 310] umount2("./739/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./739/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rmdir resumed>) = 0 [pid 3904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3903] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./736/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3904] <... openat resumed>) = 3 [pid 310] unlink("./739/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./684", 0777 [pid 3903] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3904] write(3, "1000", 4 [pid 308] newfstatat(AT_FDCWD, "./736/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./736/binderfs") = 0 [pid 308] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3904] <... write resumed>) = 4 [pid 310] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3904] close(3 [pid 3903] <... symlinkat resumed>) = 0 [pid 308] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3904] <... close resumed>) = 0 [pid 3903] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3904] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3903] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./736/config" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./739/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3903] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3905 [pid 3904] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./736/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3904] write(1, "executing program\n", 18 [pid 310] openat(AT_FDCWD, "./739/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3904] <... write resumed>) = 18 [pid 3903] exit_group(0 [pid 310] <... openat resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(4 [pid 308] fstat(4 [pid 3904] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 executing program [pid 308] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 308] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 308] close(4 [pid 3903] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] rmdir("./739/config" [pid 308] rmdir("./736/config" [pid 3904] <... mkdirat resumed>) = 0 [pid 3903] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3904] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 3904] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] close(3 [pid 308] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3905 attached [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 3904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./739" [pid 308] rmdir("./736" [pid 3905] set_robust_list(0x55556c898760, 24) = 0 [pid 3905] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 3905] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3905] chdir("./684") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] mkdir("./740", 0777 [pid 3904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] mkdir("./737", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 3905] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3905] setpgid(0, 0) = 0 [pid 3905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 3905] <... openat resumed>) = 3 [pid 3905] write(3, "1000", 4 [pid 308] <... mkdir resumed>) = 0 [pid 3905] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./708", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3905] close(3) = 0 [pid 3905] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3905] write(1, "executing program\n", 18) = 18 [pid 3905] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] openat(AT_FDCWD, "./708", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3905] <... mkdirat resumed>) = 0 [pid 3905] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... openat resumed>) = 3 [pid 3904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3906 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3907 [pid 307] fstat(3 [pid 3905] <... mount resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 3905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./708/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3904] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3904] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] newfstatat(AT_FDCWD, "./708/binderfs" [pid 3905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] unlink("./708/binderfs" [pid 3905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3905] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... unlink resumed>) = 0 [pid 3904] <... symlinkat resumed>) = 0 [pid 307] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3905] <... symlinkat resumed>) = -1 EEXIST (File exists) executing program [pid 3904] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = 0 [pid 3905] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3904] <... unlinkat resumed>) = 0 [pid 3905] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3904] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3905] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] newfstatat(AT_FDCWD, "./708/config"ci2-android-6-1/strace-static-x86_64: Process 3906 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3906] set_robust_list(0x55556c898760, 24 [pid 307] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3904] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3905] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] openat(AT_FDCWD, "./708/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3904] exit_group(0 [pid 3905] exit_group(0 [pid 307] <... openat resumed>) = 4 [pid 3905] <... exit_group resumed>) = ? [pid 307] fstat(4 [pid 3904] <... exit_group resumed>) = ? [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 3905] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3906] <... set_robust_list resumed>) = 0 [pid 3906] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 3906] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3906] chdir("./740" [pid 307] <... close resumed>) = 0 [pid 3906] <... chdir resumed>) = 0 [pid 307] rmdir("./708/config" [pid 3906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3906] setpgid(0, 0) = 0 [pid 3906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3907 attached [pid 307] getdents64(3 [pid 3906] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3907] set_robust_list(0x55556c898760, 24 [pid 3904] +++ exited with 0 +++ [pid 307] close(3 [pid 3907] <... set_robust_list resumed>) = 0 [pid 3906] write(3, "1000", 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rmdir("./708" [pid 3907] rt_sigprocmask(SIG_SETMASK, [] [pid 3906] <... write resumed>) = 4 [pid 3907] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3907] chdir("./737" [pid 307] <... rmdir resumed>) = 0 [pid 3906] close(3) = 0 [pid 307] mkdir("./709", 0777 [pid 3907] <... chdir resumed>) = 0 [pid 3906] symlink("/dev/binderfs", "./binderfs" [pid 3907] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3907] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3907] <... setpgid resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3906] <... symlink resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3906] write(1, "executing program\n", 18 [pid 3907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3906] <... write resumed>) = 18 [pid 3907] write(3, "1000", 4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3908 executing program [pid 3906] mkdirat(AT_FDCWD, "./config", 0777 [pid 3907] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 3907] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./684", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3907] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3907] symlink("/dev/binderfs", "./binderfs" [pid 306] openat(AT_FDCWD, "./684", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3906] <... mkdirat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3908 attached [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 3908] set_robust_list(0x55556c898760, 24 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3908] <... set_robust_list resumed>) = 0 [pid 306] getdents64(3 [pid 3908] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3908] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./684/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./684/binderfs" [pid 3908] chdir("./709" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3908] <... chdir resumed>) = 0 [pid 3908] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] unlink("./684/binderfs" [pid 3908] setpgid(0, 0) = 0 [pid 3908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./684/config" [pid 3908] <... openat resumed>) = 3 [pid 3908] write(3, "1000", 4) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3907] <... symlink resumed>) = 0 [pid 3906] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... restart_syscall resumed>) = 0 [pid 306] umount2("./684/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3907] write(1, "executing program\n", 18) = 18 [pid 3907] mkdirat(AT_FDCWD, "./config", 0777 [pid 3908] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3908] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./684/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./722", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 309] openat(AT_FDCWD, "./722", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 309] fstat(3 [pid 3908] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 309] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(4 [pid 309] umount2("./722/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./684/config" [pid 309] newfstatat(AT_FDCWD, "./722/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 309] unlink("./722/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] close(3 [pid 309] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 3908] <... symlink resumed>) = 0 [pid 306] rmdir("./684" [pid 309] <... umount2 resumed>) = 0 [pid 3908] write(1, "executing program\n", 18 [pid 3907] <... mkdirat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3908] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./685", 0777 [pid 309] newfstatat(AT_FDCWD, "./722/config" [pid 3908] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3907] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] executing program executing program [pid 309] openat(AT_FDCWD, "./722/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3907] <... mount resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(4 [pid 3907] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(4 [pid 3907] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3908] <... mkdirat resumed>) = 0 [pid 3907] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3907] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3908] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3909 [pid 3908] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3908] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./722/config" [pid 3907] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3907] <... symlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3908] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(3 [pid 3908] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3908] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] close(3 [pid 3908] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... close resumed>) = 0 [pid 3908] <... unlinkat resumed>) = 0 [pid 309] rmdir("./722" [pid 3907] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = -1 ENOENT (No such file or directory) [pid 3908] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3907] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rmdir resumed>) = 0 [pid 3907] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] mkdir("./723", 0777 [pid 3907] exit_group(0) = ? [pid 3907] +++ exited with 0 +++ [pid 3906] <... mount resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3908] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3908] <... exit_group resumed>) = ? [pid 3908] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3910 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3909 attached [pid 3909] set_robust_list(0x55556c898760, 24) = 0 [pid 3909] rt_sigprocmask(SIG_SETMASK, [] [pid 3906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-6-1/strace-static-x86_64: Process 3910 attached [pid 3909] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3909] chdir("./685") = 0 [pid 3909] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3909] setpgid(0, 0) = 0 [pid 3909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3910] set_robust_list(0x55556c898760, 24 [pid 3909] <... openat resumed>) = 3 [pid 3909] write(3, "1000", 4) = 4 [pid 3909] close(3) = 0 [pid 3909] symlink("/dev/binderfs", "./binderfs" [pid 3906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3910] <... set_robust_list resumed>) = 0 [pid 3909] <... symlink resumed>) = 0 [pid 3909] write(1, "executing program\n", 18 [pid 3906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3909] <... write resumed>) = 18 executing program [pid 3909] mkdirat(AT_FDCWD, "./config", 0777 [pid 3906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3909] <... mkdirat resumed>) = 0 [pid 3906] <... mkdirat resumed>) = 0 [pid 3909] mount(NULL, "./config", "configfs", 0, NULL [pid 3906] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3909] <... mount resumed>) = 0 [pid 3909] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3906] <... symlinkat resumed>) = 0 [pid 3909] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3909] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3906] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3909] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3909] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 3909] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3906] <... unlinkat resumed>) = 0 [pid 3909] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3909] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3910] rt_sigprocmask(SIG_SETMASK, [] [pid 3909] <... unlinkat resumed>) = 0 [pid 3906] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3909] exit_group(0) = ? [pid 3906] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3910] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3910] chdir("./723" [pid 3909] +++ exited with 0 +++ [pid 3906] exit_group(0 [pid 3910] <... chdir resumed>) = 0 [pid 3906] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3909, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3910] <... prctl resumed>) = 0 [pid 308] umount2("./737", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./709", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./737", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./709", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 3910] setpgid(0, 0 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 308] getdents64(3 [pid 3906] +++ exited with 0 +++ [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./737/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./709/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./737/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./709/binderfs" [pid 308] unlink("./737/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3910] <... setpgid resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] unlink("./709/binderfs" [pid 308] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 308] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./737/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./709/config" [pid 308] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./737/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./709/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3910] <... openat resumed>) = 3 [pid 308] fstat(4 [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./685", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(4 [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3910] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 306] openat(AT_FDCWD, "./685", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3910] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 3 [pid 308] getdents64(4 [pid 307] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 308] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 307] close(4 [pid 308] rmdir("./737/config" [pid 306] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 3910] close(3) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./709/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3910] symlink("/dev/binderfs", "./binderfs" [pid 306] umount2("./685/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3910] <... symlink resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./685/binderfs" [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 307] close(3 [pid 308] rmdir("./737" [pid 306] unlink("./685/binderfs" [pid 307] <... close resumed>) = 0 executing program [pid 3910] write(1, "executing program\n", 18) = 18 [pid 308] <... rmdir resumed>) = 0 [pid 3910] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] mkdir("./738", 0777 [pid 307] rmdir("./709" [pid 306] <... unlink resumed>) = 0 [pid 3910] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3910] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... rmdir resumed>) = 0 [pid 3910] <... mount resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] mkdir("./710", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 3910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 3911 attached ) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./685/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3911 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3910] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3910] <... symlinkat resumed>) = 0 [pid 3910] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-6-1/strace-static-x86_64: Process 3912 attached [pid 3911] set_robust_list(0x55556c898760, 24 [pid 3910] <... unlinkat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./685/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3912] set_robust_list(0x55556c898760, 24 [pid 3911] <... set_robust_list resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3912 [pid 3912] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./685/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3912] rt_sigprocmask(SIG_SETMASK, [] [pid 3911] rt_sigprocmask(SIG_SETMASK, [] [pid 3910] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... openat resumed>) = 4 [pid 3912] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3911] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(4 [pid 3912] chdir("./710" [pid 3911] chdir("./738" [pid 3910] <... unlinkat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3912] <... chdir resumed>) = 0 [pid 3911] <... chdir resumed>) = 0 [pid 3910] exit_group(0 [pid 310] <... restart_syscall resumed>) = 0 [pid 3910] <... exit_group resumed>) = ? [pid 306] getdents64(4 [pid 3912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3910] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3910, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3911] <... prctl resumed>) = 0 [pid 3912] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3912] setpgid(0, 0 [pid 3911] setpgid(0, 0 [pid 310] umount2("./740", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(4 [pid 3912] <... setpgid resumed>) = 0 [pid 3911] <... setpgid resumed>) = 0 [pid 3911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3911] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./740", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3912] <... openat resumed>) = 3 [pid 3911] write(3, "1000", 4 [pid 306] close(4 [pid 3912] write(3, "1000", 4 [pid 3911] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 3912] <... write resumed>) = 4 [pid 3911] close(3 [pid 310] fstat(3 [pid 306] rmdir("./685/config" [pid 3912] close(3 [pid 3911] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3912] <... close resumed>) = 0 [pid 3912] symlink("/dev/binderfs", "./binderfs" [pid 3911] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 3912] <... symlink resumed>) = 0 [pid 3911] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 3911] write(1, "executing program\n", 18 [pid 310] umount2("./740/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3911] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 310] newfstatat(AT_FDCWD, "./740/binderfs" [pid 306] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3911] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] rmdir("./685" executing program [pid 310] unlink("./740/binderfs" [pid 3912] write(1, "executing program\n", 18 [pid 310] <... unlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 executing program [pid 3912] <... write resumed>) = 18 [pid 310] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3912] mkdirat(AT_FDCWD, "./config", 0777 [pid 3911] <... mkdirat resumed>) = 0 [pid 306] mkdir("./686", 0777 [pid 3912] <... mkdirat resumed>) = 0 [pid 3911] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = 0 [pid 3912] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3911] <... mount resumed>) = 0 [pid 310] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 3911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3911] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./740/config" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3911] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3912] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3912] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3913 attached [pid 3912] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3911] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./740/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3913 [pid 3913] set_robust_list(0x55556c898760, 24 [pid 3912] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... openat resumed>) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 3913] <... set_robust_list resumed>) = 0 [pid 3911] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3912] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3911] <... symlinkat resumed>) = 0 [pid 3913] rt_sigprocmask(SIG_SETMASK, [] [pid 3912] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3913] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3911] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 [pid 309] umount2("./723", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3911] <... unlinkat resumed>) = 0 [pid 3913] chdir("./686" [pid 3912] <... symlinkat resumed>) = 0 [pid 3911] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3913] <... chdir resumed>) = 0 [pid 3912] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3911] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./723", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3912] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 3 [pid 3913] <... prctl resumed>) = 0 [pid 3912] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3911] exit_group(0 [pid 310] close(4 [pid 309] fstat(3 [pid 3913] setpgid(0, 0 [pid 3912] <... unlinkat resumed>) = 0 [pid 3913] <... setpgid resumed>) = 0 [pid 3912] exit_group(0 [pid 3911] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3912] <... exit_group resumed>) = ? [pid 3912] +++ exited with 0 +++ [pid 3911] +++ exited with 0 +++ [pid 310] rmdir("./740/config" [pid 309] getdents64(3 [pid 3913] <... openat resumed>) = 3 [pid 3913] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 3913] <... write resumed>) = 4 [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3911, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] close(3 [pid 309] umount2("./723/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3913] close(3 [pid 310] rmdir("./740" [pid 309] newfstatat(AT_FDCWD, "./723/binderfs" [pid 3913] <... close resumed>) = 0 [pid 3913] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./741", 0777 [pid 309] unlink("./723/binderfs" [pid 3913] <... symlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 3913] write(1, "executing program\n", 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... unlink resumed>) = 0 [pid 3913] <... write resumed>) = 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3913] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3914 attached [pid 3913] <... mkdirat resumed>) = 0 [pid 309] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3914 [pid 3914] set_robust_list(0x55556c898760, 24 [pid 3913] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3914] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./723/config" [pid 3914] rt_sigprocmask(SIG_SETMASK, [] [pid 3913] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3914] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3914] chdir("./741" [pid 3913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3914] <... chdir resumed>) = 0 [pid 3914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3913] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./723/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3914] <... prctl resumed>) = 0 [pid 3914] setpgid(0, 0 [pid 3913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... openat resumed>) = 4 [pid 3914] <... setpgid resumed>) = 0 [pid 309] fstat(4 [pid 3914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3913] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3914] <... openat resumed>) = 3 [pid 3913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(4 [pid 3914] write(3, "1000", 4) = 4 [pid 3913] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3914] close(3 [pid 309] getdents64(4 [pid 3914] <... close resumed>) = 0 [pid 3913] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3914] symlink("/dev/binderfs", "./binderfs" [pid 309] close(4 [pid 3913] <... symlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 3913] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3914] <... symlink resumed>) = 0 [pid 309] rmdir("./723/config" [pid 3913] <... unlinkat resumed>) = 0 [pid 3913] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3914] write(1, "executing program\n", 18 [pid 3913] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3914] <... write resumed>) = 18 [pid 3913] exit_group(0 executing program [pid 309] getdents64(3 [pid 3914] mkdirat(AT_FDCWD, "./config", 0777 [pid 3913] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3914] <... mkdirat resumed>) = 0 [pid 3913] +++ exited with 0 +++ [pid 309] close(3 [pid 3914] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./723" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3914] <... mount resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] mkdir("./724", 0777 [pid 3914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 3914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3914] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3914] <... mkdirat resumed>) = 0 [pid 3914] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-6-1/strace-static-x86_64: Process 3915 attached ) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3915 [pid 3914] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 3915] set_robust_list(0x55556c898760, 24 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3915] <... set_robust_list resumed>) = 0 [pid 3914] <... unlinkat resumed>) = 0 [pid 3914] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./738", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3915] rt_sigprocmask(SIG_SETMASK, [] [pid 3914] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./710", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3915] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./738", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3915] chdir("./724" [pid 3914] exit_group(0 [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./710", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3915] <... chdir resumed>) = 0 [pid 308] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 3915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3915] <... prctl resumed>) = 0 [pid 3914] <... exit_group resumed>) = ? [pid 308] getdents64(3 [pid 307] fstat(3 [pid 3915] setpgid(0, 0) = 0 [pid 3914] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./738/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./738/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3915] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3915] write(3, "1000", 4 [pid 307] umount2("./710/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3915] <... write resumed>) = 4 [pid 308] unlink("./738/binderfs" [pid 3915] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3915] <... close resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./710/binderfs" [pid 3915] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] unlink("./710/binderfs" [pid 308] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3915] <... symlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./741", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3915] write(1, "executing program\n", 18 [pid 308] newfstatat(AT_FDCWD, "./738/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3915] <... write resumed>) = 18 executing program [pid 310] openat(AT_FDCWD, "./741", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3915] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 3 [pid 308] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./738/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./710/config" [pid 308] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3915] <... mkdirat resumed>) = 0 [pid 310] umount2("./741/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3915] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3915] <... mount resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./741/binderfs" [pid 308] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./741/binderfs" [pid 308] getdents64(4 [pid 307] openat(AT_FDCWD, "./710/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 3915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 3915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 307] fstat(4 [pid 3915] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3915] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./738/config" [pid 307] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3915] <... symlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3915] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./741/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 307] getdents64(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3915] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3915] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./741/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(3 [pid 307] close(4 [pid 310] <... openat resumed>) = 4 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./686", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 308] <... close resumed>) = 0 [pid 307] rmdir("./710/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./738" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3915] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./686", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3915] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] getdents64(4 [pid 306] <... openat resumed>) = 3 [pid 3915] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./739", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 310] close(4 [pid 3915] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./741/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./710" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] getdents64(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./724", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./686/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3916 attached [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3916 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./741" [pid 3916] set_robust_list(0x55556c898760, 24 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./711", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./742", 0777) = 0 [pid 309] openat(AT_FDCWD, "./724", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./686/binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 3 [pid 3916] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3917 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3917 attached [pid 3917] set_robust_list(0x55556c898760, 24) = 0 [pid 3917] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] unlink("./686/binderfs" [pid 3917] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3917] chdir("./742") = 0 [pid 3917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3917] setpgid(0, 0) = 0 [pid 3917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3917] <... openat resumed>) = 3 [pid 3917] write(3, "1000", 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... unlink resumed>) = 0 [pid 3917] <... write resumed>) = 4 [pid 3917] close(3) = 0 [pid 3917] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3917] write(1, "executing program\n", 18) = 18 executing program [pid 309] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3918 [pid 306] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3917] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3917] <... mkdirat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./724/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 3917] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3917] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3917] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3917] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] newfstatat(AT_FDCWD, "./724/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3917] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./686/config" [pid 3917] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3917] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] unlink("./724/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3917] exit_group(0 [pid 3916] rt_sigprocmask(SIG_SETMASK, [] [pid 3917] <... exit_group resumed>) = ? [pid 3917] +++ exited with 0 +++ [pid 3916] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] umount2("./686/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3918 attached [pid 3918] set_robust_list(0x55556c898760, 24) = 0 [pid 3918] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3918] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3918] chdir("./711" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] openat(AT_FDCWD, "./686/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3916] chdir("./739" [pid 309] <... umount2 resumed>) = 0 [pid 3918] <... chdir resumed>) = 0 [pid 3918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3918] setpgid(0, 0) = 0 [pid 3918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 3916] <... chdir resumed>) = 0 [pid 3918] <... openat resumed>) = 3 [pid 3916] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 3916] <... prctl resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./724/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3918] write(3, "1000", 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3916] setpgid(0, 0 [pid 306] getdents64(4 [pid 3916] <... setpgid resumed>) = 0 [pid 309] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3918] <... write resumed>) = 4 [pid 3918] close(3) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3918] symlink("/dev/binderfs", "./binderfs" [pid 3916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] openat(AT_FDCWD, "./724/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(4 [pid 3918] <... symlink resumed>) = 0 [pid 3916] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3918] write(1, "executing program\n", 18 [pid 309] fstat(4 [pid 3916] write(3, "1000", 4 [pid 306] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3918] <... write resumed>) = 18 [pid 306] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 3916] <... write resumed>) = 4 [pid 306] rmdir("./686/config" [pid 3918] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 3918] <... mkdirat resumed>) = 0 [pid 3916] close(3 [pid 309] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3916] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 309] close(4 [pid 3916] symlink("/dev/binderfs", "./binderfs" executing program [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 3918] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rmdir("./724/config" [pid 306] close(3 [pid 3918] <... mount resumed>) = 0 [pid 3918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3916] <... symlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3918] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3916] write(1, "executing program\n", 18 [pid 309] <... rmdir resumed>) = 0 [pid 306] rmdir("./686" [pid 3916] <... write resumed>) = 18 [pid 309] getdents64(3 [pid 3918] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3918] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3918] <... unlinkat resumed>) = 0 [pid 3916] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(3 [pid 306] mkdir("./687", 0777 [pid 3918] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 3918] <... exit_group resumed>) = ? [pid 3918] +++ exited with 0 +++ [pid 3916] <... mkdirat resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] rmdir("./724" [pid 3916] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3916] <... mount resumed>) = 0 [pid 309] mkdir("./725", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 3916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 3919 attached ) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3916] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./742", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3919 [pid 3916] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3916] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./742", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3916] <... unlinkat resumed>) = 0 [pid 3916] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3916] exit_group(0) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3919] set_robust_list(0x55556c898760, 24 [pid 3916] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3920 [pid 310] fstat(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3920 attached [pid 310] getdents64(3 [pid 3920] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./742/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3920] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./742/binderfs" [pid 307] umount2("./711", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./742/binderfs" [pid 307] openat(AT_FDCWD, "./711", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3920] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3920] chdir("./725" [pid 310] <... unlink resumed>) = 0 [pid 3920] <... chdir resumed>) = 0 [pid 310] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 3920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] fstat(3 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3920] <... prctl resumed>) = 0 [pid 3920] setpgid(0, 0 [pid 307] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3920] <... setpgid resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./742/config" [pid 307] umount2("./711/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./711/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] openat(AT_FDCWD, "./742/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3920] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 4 [pid 307] unlink("./711/binderfs" [pid 310] fstat(4 [pid 3920] write(3, "1000", 4) = 4 [pid 3920] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 307] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3920] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 3920] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./711/config" [pid 310] rmdir("./742/config" [pid 3920] <... symlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3920] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 [pid 307] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./711/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(3 [pid 3920] <... write resumed>) = 18 [pid 307] <... openat resumed>) = 4 executing program [pid 3920] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 307] fstat(4 [pid 310] rmdir("./742" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3920] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 310] mkdir("./743", 0777 [pid 3920] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3920] <... mount resumed>) = 0 [pid 3920] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] close(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... close resumed>) = 0 [pid 3920] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3920] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3920] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] rmdir("./711/config" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3921 [pid 3920] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3920] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rmdir resumed>) = 0 [pid 3920] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3919] <... set_robust_list resumed>) = 0 [pid 307] close(3 [pid 3920] exit_group(0 [pid 307] <... close resumed>) = 0 [pid 3919] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./711" [pid 3920] <... exit_group resumed>) = ? [pid 3920] +++ exited with 0 +++ [pid 3919] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3921 attached [pid 3921] set_robust_list(0x55556c898760, 24 [pid 307] mkdir("./712", 0777 [pid 3919] chdir("./687" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 308] umount2("./739", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] openat(AT_FDCWD, "./739", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... mkdir resumed>) = 0 [pid 3919] <... chdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 3919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] fstat(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3919] <... prctl resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3919] setpgid(0, 0 [pid 308] umount2("./739/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./739/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./739/binderfs") = 0 [pid 308] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 308] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3919] <... setpgid resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./739/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3922 [pid 3919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./739/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(4 [pid 3919] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3921] <... set_robust_list resumed>) = 0 [pid 308] getdents64(4 [pid 3921] rt_sigprocmask(SIG_SETMASK, [] [pid 3919] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] close(4 [pid 3921] chdir("./743" [pid 308] <... close resumed>) = 0 [pid 3921] <... chdir resumed>) = 0 [pid 308] rmdir("./739/config" [pid 3921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3919] <... write resumed>) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 3921] <... prctl resumed>) = 0 [pid 308] getdents64(3 [pid 3921] setpgid(0, 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3921] <... setpgid resumed>) = 0 [pid 308] close(3 [pid 3921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... close resumed>) = 0 [pid 3921] <... openat resumed>) = 3 [pid 3919] close(3 [pid 308] rmdir("./739" [pid 3921] write(3, "1000", 4 [pid 3919] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3921] <... write resumed>) = 4 [pid 308] mkdir("./740", 0777 [pid 3921] close(3 [pid 3919] symlink("/dev/binderfs", "./binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 3921] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3921] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3921] <... symlink resumed>) = 0 [pid 3919] <... symlink resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3921] write(1, "executing program\n", 18 [pid 3919] write(1, "executing program\n", 18 [pid 309] umount2("./725", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3921] <... write resumed>) = 18 [pid 3919] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3923 executing program executing program [pid 3921] mkdirat(AT_FDCWD, "./config", 0777 [pid 3919] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] openat(AT_FDCWD, "./725", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3921] <... mkdirat resumed>) = 0 [pid 3919] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3921] mount(NULL, "./config", "configfs", 0, NULL [pid 3919] mount(NULL, "./config", "configfs", 0, NULL [pid 309] fstat(3 [pid 3921] <... mount resumed>) = 0 [pid 3919] <... mount resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3921] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(3 [pid 3919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3921] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3919] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./725/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3921] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] newfstatat(AT_FDCWD, "./725/binderfs" [pid 3921] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3919] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./725/binderfs" [pid 3921] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... unlink resumed>) = 0 [pid 3921] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3919] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3921] <... symlinkat resumed>) = 0 [pid 3919] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = 0 [pid 3921] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3919] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3919] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] newfstatat(AT_FDCWD, "./725/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3919] <... unlinkat resumed>) = 0 [pid 309] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3919] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3921] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] openat(AT_FDCWD, "./725/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3921] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 3922 attached [pid 3921] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3919] <... unlinkat resumed>) = 0 [pid 309] fstat(4 [pid 3922] set_robust_list(0x55556c898760, 24 [pid 3921] exit_group(0 [pid 3919] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3922] <... set_robust_list resumed>) = 0 [pid 3921] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 3922] rt_sigprocmask(SIG_SETMASK, [] [pid 3921] +++ exited with 0 +++ [pid 3919] <... exit_group resumed>) = ? [pid 3922] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3922] chdir("./712" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 3922] <... chdir resumed>) = 0 [pid 3922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./743", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3922] <... prctl resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./743", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./725/config" [pid 3922] setpgid(0, 0 [pid 310] <... openat resumed>) = 3 [pid 3922] <... setpgid resumed>) = 0 [pid 3922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3922] write(3, "1000", 4 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 3922] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./743/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3922] close(3 [pid 310] newfstatat(AT_FDCWD, "./743/binderfs" [pid 309] <... close resumed>) = 0 [pid 3922] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3919] +++ exited with 0 +++ [pid 309] rmdir("./725" [pid 310] unlink("./743/binderfs" [pid 3922] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3922] write(1, "executing program\n", 18 [pid 310] <... unlink resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./726", 0777 [pid 3922] <... write resumed>) = 18 executing program [pid 3922] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 310] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3922] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] newfstatat(AT_FDCWD, "./743/config" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3922] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3924 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3922] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./743/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3922] <... symlinkat resumed>) = 0 [pid 310] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3923 attached [pid 3922] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3922] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3922] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 3923] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3922] exit_group(0 [pid 310] close(4ci2-android-6-1/strace-static-x86_64: Process 3924 attached [pid 3924] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... close resumed>) = 0 [pid 3922] <... exit_group resumed>) = ? [pid 310] rmdir("./743/config" [pid 3924] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3924] chdir("./726" [pid 310] <... rmdir resumed>) = 0 [pid 3924] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 3924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3924] <... prctl resumed>) = 0 [pid 310] close(3 [pid 3924] setpgid(0, 0 [pid 310] <... close resumed>) = 0 [pid 3924] <... setpgid resumed>) = 0 [pid 310] rmdir("./743" [pid 3924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 3924] write(3, "1000", 4 [pid 310] mkdir("./744", 0777 [pid 3924] <... write resumed>) = 4 [pid 3924] close(3) = 0 [pid 3924] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 3922] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3924] write(1, "executing program\n", 18) = 18 executing program [pid 3924] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3925 [pid 3923] <... set_robust_list resumed>) = 0 [pid 3924] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3924] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3923] rt_sigprocmask(SIG_SETMASK, [] [pid 3924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3923] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./687", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3923] chdir("./740" [pid 3924] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3923] <... chdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] openat(AT_FDCWD, "./687", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3923] <... prctl resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 3923] setpgid(0, 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3924] <... mkdirat resumed>) = 0 [pid 3923] <... setpgid resumed>) = 0 [pid 306] getdents64(3 [pid 3924] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3924] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./687/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3924] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3924] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] newfstatat(AT_FDCWD, "./687/binderfs" [pid 3923] <... openat resumed>) = 3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3924] <... unlinkat resumed>) = 0 [pid 3923] write(3, "1000", 4 [pid 306] unlink("./687/binderfs" [pid 3924] exit_group(0) = ? [pid 306] <... unlink resumed>) = 0 [pid 3923] <... write resumed>) = 4 [pid 306] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3923] close(3 [pid 306] <... umount2 resumed>) = 0 [pid 3923] <... close resumed>) = 0 [pid 306] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3923] symlink("/dev/binderfs", "./binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3924] +++ exited with 0 +++ [pid 3923] <... symlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./687/config"ci2-android-6-1/strace-static-x86_64: Process 3925 attached [pid 3923] write(1, "executing program\n", 18 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3923] <... write resumed>) = 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 306] umount2("./687/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3925] set_robust_list(0x55556c898760, 24 [pid 3923] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./687/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4 [pid 3925] <... set_robust_list resumed>) = 0 [pid 3923] <... mkdirat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3923] mount(NULL, "./config", "configfs", 0, NULL [pid 306] getdents64(4 [pid 3925] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3925] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3923] <... mount resumed>) = 0 [pid 306] getdents64(4 [pid 3925] chdir("./744" [pid 3923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3925] <... chdir resumed>) = 0 [pid 306] close(4 [pid 3925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3925] <... prctl resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3925] setpgid(0, 0 [pid 3923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] rmdir("./687/config" [pid 3925] <... setpgid resumed>) = 0 [pid 3923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3923] <... mkdirat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3923] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3 [pid 3925] <... openat resumed>) = 3 [pid 3923] <... symlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3925] write(3, "1000", 4 [pid 306] close(3 [pid 3925] <... write resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 3925] close(3 [pid 306] rmdir("./687" [pid 3925] <... close resumed>) = 0 [pid 3923] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3925] symlink("/dev/binderfs", "./binderfs" [pid 3923] <... unlinkat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3923] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] mkdir("./688", 0777 [pid 3923] <... unlinkat resumed>) = 0 [pid 3923] exit_group(0) = ? [pid 3923] +++ exited with 0 +++ [pid 3925] <... symlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3925] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3925] <... write resumed>) = 18 executing program [pid 309] umount2("./726", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3925] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./712", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./726", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./712", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 3926 attached [pid 3925] <... mkdirat resumed>) = 0 [pid 309] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3926 [pid 309] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3925] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./726/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./712/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./726/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3925] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./712/binderfs" [pid 309] unlink("./726/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 307] unlink("./712/binderfs" [pid 3926] set_robust_list(0x55556c898760, 24 [pid 309] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3926] <... set_robust_list resumed>) = 0 [pid 3925] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3925] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] newfstatat(AT_FDCWD, "./726/config" [pid 307] <... umount2 resumed>) = 0 [pid 3925] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./712/config" [pid 3926] rt_sigprocmask(SIG_SETMASK, [] [pid 3925] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] openat(AT_FDCWD, "./726/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... restart_syscall resumed>) = 0 [pid 3926] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3925] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3926] chdir("./688" [pid 3925] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(4 [pid 307] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3926] <... chdir resumed>) = 0 [pid 3925] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./740", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3925] exit_group(0 [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3925] <... exit_group resumed>) = ? [pid 308] openat(AT_FDCWD, "./740", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3926] <... prctl resumed>) = 0 [pid 3925] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./712/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3926] setpgid(0, 0 [pid 309] getdents64(4 [pid 308] fstat(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 4 [pid 3926] <... setpgid resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(3 [pid 3926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] fstat(4 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./740/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./726/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./740/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./740/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 308] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 3926] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3926] write(3, "1000", 4 [pid 309] close(3 [pid 308] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3926] <... write resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 3926] close(3 [pid 309] rmdir("./726" [pid 308] newfstatat(AT_FDCWD, "./740/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./740/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 3926] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] close(4 [pid 309] mkdir("./727", 0777 [pid 308] fstat(4 [pid 3926] symlink("/dev/binderfs", "./binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] rmdir("./712/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./740/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3926] <... symlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./740") = 0 [pid 308] mkdir("./741", 0777 [pid 3926] write(1, "executing program\n", 18 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3927 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3926] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 executing program [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3926] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3928 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3927 attached [pid 3927] set_robust_list(0x55556c898760, 24 [pid 3926] <... mkdirat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 3927] <... set_robust_list resumed>) = 0 [pid 3927] rt_sigprocmask(SIG_SETMASK, [] [pid 3926] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rmdir("./712" [pid 3927] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3927] chdir("./727") = 0 [pid 3927] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3927] setpgid(0, 0) = 0 [pid 3926] <... mount resumed>) = 0 [pid 307] mkdir("./713", 0777 [pid 3927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3927] write(3, "1000", 4 [pid 3926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 3927] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3927] close(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3927] <... close resumed>) = 0 [pid 3927] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3927] write(1, "executing program\n", 18) = 18 [pid 3927] mkdirat(AT_FDCWD, "./config", 0777 [pid 3926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3929 executing program ci2-android-6-1/strace-static-x86_64: Process 3928 attached [pid 3927] <... mkdirat resumed>) = 0 [pid 3926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3927] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3927] <... mount resumed>) = 0 [pid 3927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3926] <... mkdirat resumed>) = 0 [pid 3927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3926] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3927] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3926] <... symlinkat resumed>) = 0 [pid 3927] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3926] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3927] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3927] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3927] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3926] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3927] <... unlinkat resumed>) = 0 [pid 3926] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3928] set_robust_list(0x55556c898760, 24 [pid 3927] exit_group(0) = ? [pid 3928] <... set_robust_list resumed>) = 0 [pid 3927] +++ exited with 0 +++ [pid 3926] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 3929 attached [pid 3928] rt_sigprocmask(SIG_SETMASK, [] [pid 3926] exit_group(0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./744", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3926] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./744", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3929] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 3929] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./744/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3929] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./744/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./744/binderfs" [pid 3929] chdir("./713") = 0 [pid 3929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... unlink resumed>) = 0 [pid 3929] <... prctl resumed>) = 0 [pid 310] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3926] +++ exited with 0 +++ [pid 3929] setpgid(0, 0 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3926, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./744/config" [pid 3929] <... setpgid resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3928] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./744/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3929] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 4 [pid 3929] write(3, "1000", 4 [pid 310] fstat(4 [pid 3929] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3929] close(3 [pid 310] getdents64(4 [pid 3929] <... close resumed>) = 0 [pid 3929] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3928] chdir("./741" [pid 310] getdents64(4 [pid 3929] write(1, "executing program\n", 18) = 18 [pid 3929] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3929] <... mkdirat resumed>) = 0 [pid 3928] <... chdir resumed>) = 0 [pid 310] close(4 [pid 3929] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 3929] <... mount resumed>) = 0 [pid 310] rmdir("./744/config" [pid 3929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 3929] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 3929] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3929] <... symlinkat resumed>) = 0 [pid 310] close(3 [pid 3929] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 3929] <... unlinkat resumed>) = 0 [pid 310] rmdir("./744" [pid 3929] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3929] exit_group(0) = ? [pid 310] <... rmdir resumed>) = 0 [pid 3929] +++ exited with 0 +++ [pid 3928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] mkdir("./745", 0777 [pid 3928] <... prctl resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3928] setpgid(0, 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3928] <... setpgid resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3928] write(3, "1000", 4) = 4 [pid 3928] close(3) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3930 [pid 3928] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3928] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3928] write(1, "executing program\n", 18) = 18 [pid 309] umount2("./727", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3928] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3928] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./727", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3928] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... openat resumed>) = 3 [pid 3928] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] fstat(3 [pid 3928] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3928] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(3 [pid 3928] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3928] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3928] <... mkdirat resumed>) = 0 [pid 309] umount2("./727/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3928] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3928] <... symlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./727/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 3930 attached [pid 309] unlink("./727/binderfs" [pid 3930] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3928] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3930] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3930] chdir("./745") = 0 [pid 3930] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3930] setpgid(0, 0) = 0 [pid 3930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] umount2("./713", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./688", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3928] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./727/config" [pid 307] openat(AT_FDCWD, "./713", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3928] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./688", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./727/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 309] <... openat resumed>) = 4 [pid 307] getdents64(3 [pid 309] fstat(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3928] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 309] getdents64(4 [pid 307] umount2("./713/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] newfstatat(AT_FDCWD, "./713/binderfs" [pid 309] getdents64(4 [pid 306] umount2("./688/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3928] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3928] <... exit_group resumed>) = ? [pid 309] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./713/binderfs" [pid 309] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./688/binderfs" [pid 307] <... unlink resumed>) = 0 [pid 309] rmdir("./727/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3930] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] unlink("./688/binderfs" [pid 309] getdents64(3 [pid 307] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3930] write(3, "1000", 4) = 4 [pid 3930] close(3) = 0 [pid 3930] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 309] close(3 [pid 307] newfstatat(AT_FDCWD, "./713/config" [pid 306] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3930] write(1, "executing program\n", 18) = 18 [pid 3930] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3928] +++ exited with 0 +++ [pid 309] rmdir("./727" [pid 307] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 executing program [pid 3930] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./728", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] openat(AT_FDCWD, "./713/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 306] newfstatat(AT_FDCWD, "./688/config" [pid 3930] <... mount resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] fstat(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./688/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] openat(AT_FDCWD, "./688/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3931 [pid 307] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 3930] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 307] rmdir("./713/config" [pid 3930] <... symlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3930] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 3930] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 3930] <... unlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./688/config" [pid 307] rmdir("./713"ci2-android-6-1/strace-static-x86_64: Process 3931 attached [pid 3931] set_robust_list(0x55556c898760, 24) = 0 [pid 3931] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 3931] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3931] chdir("./728") = 0 [pid 3931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 307] mkdir("./714", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3931] <... prctl resumed>) = 0 [pid 3930] exit_group(0 [pid 3931] setpgid(0, 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3930] <... exit_group resumed>) = ? [pid 306] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rmdir("./688" [pid 3931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./689", 0777 [pid 3930] +++ exited with 0 +++ [pid 308] umount2("./741", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3932 ci2-android-6-1/strace-static-x86_64: Process 3932 attached [pid 308] openat(AT_FDCWD, "./741", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... openat resumed>) = 3 [pid 3931] <... openat resumed>) = 3 [pid 3931] write(3, "1000", 4) = 4 [pid 3931] close(3) = 0 [pid 308] fstat(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./745", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3933 [pid 3932] set_robust_list(0x55556c898760, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./745", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3931] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 3933 attached [pid 3932] <... set_robust_list resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] umount2("./741/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./741/binderfs" [pid 310] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3933] set_robust_list(0x55556c898760, 24 [pid 3932] rt_sigprocmask(SIG_SETMASK, [] [pid 3931] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] unlink("./741/binderfs" [pid 3933] <... set_robust_list resumed>) = 0 [pid 3932] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3931] write(1, "executing program\n", 18 [pid 310] umount2("./745/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3932] chdir("./714" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 3933] rt_sigprocmask(SIG_SETMASK, [] [pid 3932] <... chdir resumed>) = 0 [pid 3931] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./745/binderfs" [pid 308] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3932] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] unlink("./745/binderfs" [pid 3933] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3932] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 executing program [pid 3932] setpgid(0, 0 [pid 3931] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3933] chdir("./689" [pid 3932] <... setpgid resumed>) = 0 [pid 310] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3933] <... chdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./741/config" [pid 310] <... umount2 resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./745/config" [pid 308] openat(AT_FDCWD, "./741/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 3933] <... prctl resumed>) = 0 [pid 3932] <... openat resumed>) = 3 [pid 3931] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3933] setpgid(0, 0 [pid 3932] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./745/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3933] <... setpgid resumed>) = 0 [pid 3932] <... write resumed>) = 4 [pid 308] getdents64(4 [pid 310] <... openat resumed>) = 4 [pid 3931] mount(NULL, "./config", "configfs", 0, NULL [pid 3932] close(3 [pid 310] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3932] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 3933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3932] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3931] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] close(4 [pid 310] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./741/config" [pid 310] close(4 [pid 3931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 3932] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 3932] write(1, "executing program\n", 18 [pid 310] rmdir("./745/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3931] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 3932] <... write resumed>) = 18 [pid 310] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 3931] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./741" [pid 3932] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(3 [pid 3931] <... symlinkat resumed>) = 0 [pid 3931] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] mkdir("./742", 0777 [pid 310] rmdir("./745" [pid 3931] <... unlinkat resumed>) = 0 [pid 3931] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 3931] exit_group(0) = ? executing program [pid 3933] <... openat resumed>) = 3 [pid 3932] <... mkdirat resumed>) = 0 [pid 3931] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] mkdir("./746", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3931, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3933] write(3, "1000", 4 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3932] mount(NULL, "./config", "configfs", 0, NULL [pid 3933] <... write resumed>) = 4 [pid 3933] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./728", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3933] <... close resumed>) = 0 [pid 3933] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3932] <... mount resumed>) = 0 executing program [pid 3933] write(1, "executing program\n", 18) = 18 [pid 3933] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3934 attached ) = 0 [pid 3932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] openat(AT_FDCWD, "./728", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3934 [pid 3932] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3935 [pid 309] <... openat resumed>) = 3 [pid 3933] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3934] set_robust_list(0x55556c898760, 24 [pid 3932] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3934] <... set_robust_list resumed>) = 0 [pid 3932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 3933] <... mount resumed>) = 0 [pid 3933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3932] <... mkdirat resumed>) = 0 [pid 3933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3932] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./728/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3933] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3932] <... symlinkat resumed>) = 0 [ 46.532898][ T3933] ================================================================== [ 46.541179][ T3933] BUG: KASAN: use-after-free in config_item_get+0x27/0x90 [ 46.549934][ T3933] Write of size 4 at addr ffff8881127b981c by task syz-executor326/3933 [ 46.558443][ T3933] [ 46.560763][ T3933] CPU: 0 PID: 3933 Comm: syz-executor326 Not tainted syzkaller #0 [ 46.568552][ T3933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 46.578887][ T3933] Call Trace: [ 46.582509][ T3933] [ 46.585432][ T3933] __dump_stack+0x21/0x24 [ 46.589781][ T3933] dump_stack_lvl+0x110/0x170 [ 46.594450][ T3933] ? __cfi_dump_stack_lvl+0x8/0x8 [ 46.599491][ T3933] ? config_item_get+0x27/0x90 [ 46.604248][ T3933] print_address_description+0x71/0x200 [ 46.609788][ T3933] print_report+0x4a/0x60 [ 46.614146][ T3933] kasan_report+0x122/0x150 [ 46.618716][ T3933] ? config_item_get+0x27/0x90 [ 46.623457][ T3933] ? __kasan_check_write+0x14/0x20 [ 46.628895][ T3933] kasan_check_range+0x249/0x2a0 [ 46.633918][ T3933] __kasan_check_write+0x14/0x20 [ 46.638831][ T3933] config_item_get+0x27/0x90 [ 46.643402][ T3933] configfs_symlink+0x44f/0x1360 [ 46.649108][ T3933] ? show_sid+0x1d0/0x1d0 [ 46.653445][ T3933] ? from_kgid+0x14f/0x6a0 [ 46.657843][ T3933] ? __cfi_from_kgid+0x10/0x10 [ 46.662598][ T3933] ? __cfi_configfs_symlink+0x10/0x10 [ 46.667975][ T3933] ? selinux_inode_symlink+0x22/0x30 [ 46.673240][ T3933] ? security_inode_symlink+0xcf/0x120 [ 46.678921][ T3933] vfs_symlink+0x261/0x3f0 [ 46.683329][ T3933] do_symlinkat+0x24a/0x5d0 [ 46.687994][ T3933] __x64_sys_symlinkat+0x99/0xb0 [ 46.693023][ T3933] x64_sys_call+0x282/0x9a0 [ 46.697879][ T3933] do_syscall_64+0x4c/0xa0 [ 46.702306][ T3933] ? clear_bhb_loop+0x30/0x80 [ 46.706970][ T3933] ? clear_bhb_loop+0x30/0x80 [ 46.711661][ T3933] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 46.717826][ T3933] RIP: 0033:0x7fa17d612169 [ 46.722323][ T3933] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 46.741905][ T3933] RSP: 002b:00007ffec12d5df8 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 46.750306][ T3933] RAX: ffffffffffffffda RBX: 000000000000b582 RCX: 00007fa17d612169 [ 46.758346][ T3933] RDX: 0000200000000340 RSI: 00000000ffffff9c RDI: 0000200000000300 [ 46.767096][ T3933] RBP: 0000000000000000 R08: 00007ffec12d5e2c R09: 00007ffec12d5e2c [ 46.775940][ T3933] R10: 00007ffec12d5e2c R11: 0000000000000246 R12: 00007ffec12d5e2c [ 46.783903][ T3933] R13: 00007ffec12d5e60 R14: 00007ffec12d5e40 R15: 00000000000002b1 [ 46.792045][ T3933] [ 46.795334][ T3933] [ 46.797762][ T3933] Allocated by task 3932: [ 46.802069][ T3933] kasan_set_track+0x4b/0x70 [ 46.806653][ T3933] kasan_save_alloc_info+0x1f/0x30 [ 46.811744][ T3933] __kasan_kmalloc+0x95/0xb0 [ 46.816318][ T3933] kmalloc_trace+0x40/0xb0 [ 46.820728][ T3933] afunc_alloc_inst+0x4a/0x5e0 [ 46.825926][ T3933] usb_get_function_instance+0xf3/0x310 [ 46.831457][ T3933] function_make+0x118/0x360 [ 46.836053][ T3933] configfs_mkdir+0x518/0x9e0 [ 46.840876][ T3933] vfs_mkdir+0x39c/0x580 [ 46.845183][ T3933] do_mkdirat+0x174/0x4d0 [ 46.849486][ T3933] __x64_sys_mkdirat+0x89/0xa0 [ 46.854230][ T3933] x64_sys_call+0x73d/0x9a0 [ 46.858709][ T3933] do_syscall_64+0x4c/0xa0 [ 46.863103][ T3933] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 46.869419][ T3933] [ 46.871725][ T3933] Freed by task 3932: [ 46.875674][ T3933] kasan_set_track+0x4b/0x70 [ 46.880246][ T3933] kasan_save_free_info+0x2b/0x40 [ 46.885502][ T3933] ____kasan_slab_free+0x132/0x180 [ 46.890687][ T3933] __kasan_slab_free+0x11/0x20 [ 46.895427][ T3933] slab_free_freelist_hook+0xc2/0x190 [ 46.900863][ T3933] __kmem_cache_free+0xb7/0x1b0 [ 46.905713][ T3933] kfree+0x6f/0xf0 [ 46.909426][ T3933] afunc_free_inst+0x15/0x20 [ 46.914614][ T3933] usb_put_function_instance+0x9b/0xc0 [ 46.920157][ T3933] f_uac2_attr_release+0x15/0x20 [ 46.925351][ T3933] config_item_put+0x166/0x210 [ 46.930103][ T3933] configfs_rmdir+0x8c9/0x980 [ 46.934754][ T3933] vfs_rmdir+0x381/0x4f0 [ 46.938972][ T3933] do_rmdir+0x261/0x6b0 [ 46.943333][ T3933] __x64_sys_unlinkat+0xc7/0xf0 [ 46.948263][ T3933] x64_sys_call+0x79f/0x9a0 [ 46.952772][ T3933] do_syscall_64+0x4c/0xa0 [ 46.957362][ T3933] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 46.963245][ T3933] [ 46.965547][ T3933] The buggy address belongs to the object at ffff8881127b9800 [ 46.965547][ T3933] which belongs to the cache kmalloc-512 of size 512 [ 46.980457][ T3933] The buggy address is located 28 bytes inside of [ 46.980457][ T3933] 512-byte region [ffff8881127b9800, ffff8881127b9a00) [ 46.993720][ T3933] [ 46.996044][ T3933] The buggy address belongs to the physical page: [ 47.002520][ T3933] page:ffffea000449ee00 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1127b8 [ 47.012747][ T3933] head:ffffea000449ee00 order:2 compound_mapcount:0 compound_pincount:0 [ 47.021054][ T3933] flags: 0x4000000000010200(slab|head|zone=1) [ 47.028591][ T3933] raw: 4000000000010200 dead000000000100 dead000000000122 ffff888100042f00 [ 47.037519][ T3933] raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 [ 47.046095][ T3933] page dumped because: kasan: bad access detected [ 47.052522][ T3933] page_owner tracks the page as allocated [ 47.058771][ T3933] page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 111, tgid 111 (udevadm), ts 4988166257, free_ts 0 [ 47.079409][ T3933] post_alloc_hook+0x1f5/0x210 [ 47.084168][ T3933] prep_new_page+0x1c/0x110 [ 47.089041][ T3933] get_page_from_freelist+0x2ca9/0x2d20 [ 47.094611][ T3933] __alloc_pages+0x1fa/0x610 [ 47.099310][ T3933] alloc_slab_page+0x6e/0xf0 [ 47.103888][ T3933] new_slab+0x98/0x3e0 [ 47.107949][ T3933] ___slab_alloc+0x70f/0xb70 [ 47.112537][ T3933] __slab_alloc+0x5e/0xa0 [ 47.116850][ T3933] __kmem_cache_alloc_node+0x204/0x2d0 [ 47.122378][ T3933] __kmalloc_node_track_caller+0xa1/0x1e0 [ 47.128421][ T3933] __alloc_skb+0x226/0x4a0 [ 47.132986][ T3933] alloc_uevent_skb+0x85/0x240 [ 47.137727][ T3933] kobject_uevent_net_broadcast+0x343/0x5b0 [ 47.143804][ T3933] kobject_uevent_env+0x541/0x720 [ 47.148822][ T3933] kobject_synth_uevent+0x457/0x940 [ 47.154215][ T3933] uevent_store+0x25/0x70 [ 47.160205][ T3933] page_owner free stack trace missing [ 47.165558][ T3933] [ 47.167871][ T3933] Memory state around the buggy address: [ 47.173565][ T3933] ffff8881127b9700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 47.181601][ T3933] ffff8881127b9780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 47.189826][ T3933] >ffff8881127b9800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 47.198056][ T3933] ^ [ 47.202905][ T3933] ffff8881127b9880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 47.211045][ T3933] ffff8881127b9900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 47.219076][ T3933] ================================================================== [ 47.227248][ T3933] Disabling lock debugging due to kernel taint [ 47.233468][ T3933] ------------[ cut here ]------------ [ 47.238941][ T3933] refcount_t: addition on 0; use-after-free. [ 47.244956][ T3933] WARNING: CPU: 0 PID: 3933 at lib/refcount.c:25 refcount_warn_saturate+0x104/0x1a0 [ 47.255047][ T3933] Modules linked in: [ 47.259054][ T3933] CPU: 0 PID: 3933 Comm: syz-executor326 Tainted: G B syzkaller #0 [ 47.268331][ T3933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 47.278651][ T3933] RIP: 0010:refcount_warn_saturate+0x104/0x1a0 [ 47.284845][ T3933] Code: 05 01 48 c7 c7 40 0d ca 85 e8 d8 28 d9 fe 0f 0b eb df e8 2f 9a 08 ff c6 05 0f ca 26 05 01 48 c7 c7 80 0c ca 85 e8 bc 28 d9 fe <0f> 0b eb c3 e8 13 9a 08 ff c6 05 f4 c9 26 05 01 48 c7 c7 e0 0c ca [ 47.305115][ T3933] RSP: 0018:ffffc900070e7c58 EFLAGS: 00010246 [ 47.311178][ T3933] RAX: fc5511f1e0d85d00 RBX: 0000000000000002 RCX: ffff88811a33d100 [ 47.319143][ T3933] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 47.327106][ T3933] RBP: ffffc900070e7c68 R08: ffffc900070e7847 R09: 1ffff92000e1cf08 [ 47.335320][ T3933] R10: dffffc0000000000 R11: fffff52000e1cf09 R12: ffff8881138004e0 [ 47.343479][ T3933] R13: dffffc0000000000 R14: 0000000000000002 R15: 0000000000000000 [ 47.351858][ T3933] FS: 000055556c898480(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 [ 47.361005][ T3933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.367598][ T3933] CR2: 0000200000000000 CR3: 00000001137cd000 CR4: 00000000003506b0 [ 47.375923][ T3933] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.384014][ T3933] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.392107][ T3933] Call Trace: [ 47.395374][ T3933] [ 47.398547][ T3933] config_item_get+0x8c/0x90 [ 47.403373][ T3933] configfs_symlink+0x44f/0x1360 [ 47.408329][ T3933] ? show_sid+0x1d0/0x1d0 [ 47.412647][ T3933] ? from_kgid+0x14f/0x6a0 [ 47.417071][ T3933] ? __cfi_from_kgid+0x10/0x10 [ 47.421824][ T3933] ? __cfi_configfs_symlink+0x10/0x10 [ 47.427196][ T3933] ? selinux_inode_symlink+0x22/0x30 [ 47.432462][ T3933] ? security_inode_symlink+0xcf/0x120 [ 47.437910][ T3933] vfs_symlink+0x261/0x3f0 [ 47.442308][ T3933] do_symlinkat+0x24a/0x5d0 [ 47.446830][ T3933] __x64_sys_symlinkat+0x99/0xb0 [ 47.451853][ T3933] x64_sys_call+0x282/0x9a0 [ 47.457105][ T3933] do_syscall_64+0x4c/0xa0 [ 47.461798][ T3933] ? clear_bhb_loop+0x30/0x80 [ 47.466512][ T3933] ? clear_bhb_loop+0x30/0x80 [ 47.471273][ T3933] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 47.477186][ T3933] RIP: 0033:0x7fa17d612169 [ 47.481595][ T3933] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 47.501229][ T3933] RSP: 002b:00007ffec12d5df8 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 47.509658][ T3933] RAX: ffffffffffffffda RBX: 000000000000b582 RCX: 00007fa17d612169 [ 47.517644][ T3933] RDX: 0000200000000340 RSI: 00000000ffffff9c RDI: 0000200000000300 [ 47.525616][ T3933] RBP: 0000000000000000 R08: 00007ffec12d5e2c R09: 00007ffec12d5e2c [pid 3934] rt_sigprocmask(SIG_SETMASK, [] [pid 3932] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3933] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3933] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3932] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./728/binderfs" [pid 3934] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3932] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 3935 attached [pid 3934] chdir("./742" [pid 3932] <... unlinkat resumed>) = 0 [pid 309] unlink("./728/binderfs" [pid 3935] set_robust_list(0x55556c898760, 24 [pid 3934] <... chdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 3935] <... set_robust_list resumed>) = 0 [pid 3934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3935] rt_sigprocmask(SIG_SETMASK, [] [pid 3934] <... prctl resumed>) = 0 [pid 3932] exit_group(0 [pid 3935] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3934] setpgid(0, 0 [pid 3932] <... exit_group resumed>) = ? [pid 3935] chdir("./746" [pid 3934] <... setpgid resumed>) = 0 [pid 3935] <... chdir resumed>) = 0 [pid 3934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3932] +++ exited with 0 +++ [pid 3935] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3934] <... openat resumed>) = 3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3932, si_uid=0, si_status=0, si_utime=0, si_stime=102 /* 1.02 s */} --- [pid 3935] <... prctl resumed>) = 0 [pid 3934] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3935] setpgid(0, 0 [pid 3934] <... write resumed>) = 4 [pid 3935] <... setpgid resumed>) = 0 [pid 3934] close(3 [pid 3935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3934] <... close resumed>) = 0 [pid 3935] <... openat resumed>) = 3 [pid 3934] symlink("/dev/binderfs", "./binderfs" [pid 3935] write(3, "1000", 4 [pid 3934] <... symlink resumed>) = 0 [pid 3935] <... write resumed>) = 4 executing program [pid 3934] write(1, "executing program\n", 18 [pid 3935] close(3 [pid 3934] <... write resumed>) = 18 [pid 3935] <... close resumed>) = 0 [pid 3934] mkdirat(AT_FDCWD, "./config", 0777 [pid 3935] symlink("/dev/binderfs", "./binderfs" [pid 3934] <... mkdirat resumed>) = 0 [pid 3935] <... symlink resumed>) = 0 [pid 3934] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 3935] write(1, "executing program\n", 18 [pid 3934] <... mount resumed>) = 0 [pid 3935] <... write resumed>) = 18 [pid 3934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3935] mkdirat(AT_FDCWD, "./config", 0777 [pid 3934] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3935] <... mkdirat resumed>) = 0 [pid 3934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3935] mount(NULL, "./config", "configfs", 0, NULL [pid 3934] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3935] <... mount resumed>) = 0 [pid 3934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3934] <... mkdirat resumed>) = 0 [pid 3935] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3934] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3934] <... symlinkat resumed>) = 0 [pid 3935] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3934] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3934] <... unlinkat resumed>) = 0 [pid 3935] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3934] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3935] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3934] <... unlinkat resumed>) = 0 [pid 3935] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3934] exit_group(0 [pid 3935] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3934] <... exit_group resumed>) = ? [pid 3935] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3934] +++ exited with 0 +++ [pid 3935] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3934, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3935] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3935] exit_group(0) = ? [ 47.533686][ T3933] R10: 00007ffec12d5e2c R11: 0000000000000246 R12: 00007ffec12d5e2c [ 47.541667][ T3933] R13: 00007ffec12d5e60 R14: 00007ffec12d5e40 R15: 00000000000002b1 [ 47.549810][ T3933] [ 47.552819][ T3933] ---[ end trace 0000000000000000 ]--- [ 47.560602][ T28] kauditd_printk_skb: 2 callbacks suppressed [pid 3935] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3935, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./728/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./728/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./746", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 308] umount2("./742", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./714", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./746", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 308] openat(AT_FDCWD, "./742", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./714", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] rmdir("./728/config" [pid 308] fstat(3 [pid 307] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./746/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 308] umount2("./742/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./714/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./746/binderfs" [pid 309] rmdir("./728" [pid 308] newfstatat(AT_FDCWD, "./742/binderfs" [pid 307] newfstatat(AT_FDCWD, "./714/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./746/binderfs" [pid 309] mkdir("./729", 0777 [pid 308] unlink("./742/binderfs" [pid 307] unlink("./714/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c898750) = 3936 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [ 47.560612][ T28] audit: type=1400 audit(1787318361.451:76): avc: denied { read } for pid=85 comm="syslogd" name="log" dev="sda1" ino=2010 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:var_t tclass=lnk_file permissive=1 [ 47.588769][ T28] audit: type=1400 audit(1787318361.451:77): avc: denied { search } for pid=85 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 47.606571][ T3933] ------------[ cut here ]------------ ci2-android-6-1/strace-static-x86_64: Process 3936 attached [pid 3936] set_robust_list(0x55556c898760, 24) = 0 [pid 3936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3936] chdir("./729") = 0 [pid 3936] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3936] setpgid(0, 0) = 0 [pid 3936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3936] write(3, "1000", 4) = 4 [pid 3936] close(3) = 0 [pid 3936] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3936] write(1, "executing program\n", 18) = 18 [pid 3936] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3936] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 executing program [ 47.612611][ T28] audit: type=1400 audit(1787318361.451:78): avc: denied { write } for pid=85 comm="syslogd" name="/" dev="tmpfs" ino=1 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 47.618222][ T3933] refcount_t: underflow; use-after-free. [ 47.645574][ T28] audit: type=1400 audit(1787318361.451:79): avc: denied { add_name } for pid=85 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=dir permissive=1 [ 47.646226][ T3933] WARNING: CPU: 1 PID: 3933 at lib/refcount.c:28 refcount_warn_saturate+0x120/0x1a0 [ 47.666534][ T28] audit: type=1400 audit(1787318361.451:80): avc: denied { create } for pid=85 comm="syslogd" name="messages" scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 47.675514][ T3933] Modules linked in: [ 47.696119][ T28] audit: type=1400 audit(1787318361.451:81): avc: denied { append open } for pid=85 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 47.699793][ T3933] CPU: 1 PID: 3933 Comm: syz-executor326 Tainted: G B W syzkaller #0 [pid 3936] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./746/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./746/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./746/config") = 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./746") = 0 [pid 310] mkdir("./747", 0777) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c898750) = 3937 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3937 attached [pid 3937] set_robust_list(0x55556c898760, 24) = 0 [pid 3937] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3937] chdir("./747") = 0 [pid 3937] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3937] setpgid(0, 0) = 0 [pid 3937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3937] write(3, "1000", 4) = 4 [pid 3937] close(3) = 0 [pid 3937] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3937] write(1, "executing program\n", 18) = 18 executing program [pid 3937] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3937] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [ 47.723120][ T28] audit: type=1400 audit(1787318361.451:82): avc: denied { getattr } for pid=85 comm="syslogd" path="/tmp/messages" dev="tmpfs" ino=5 scontext=system_u:system_r:syslogd_t tcontext=system_u:object_r:tmpfs_t tclass=file permissive=1 [ 47.732081][ T3933] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 47.732091][ T3933] RIP: 0010:refcount_warn_saturate+0x120/0x1a0 [ 47.771778][ T3933] Code: 05 01 48 c7 c7 80 0c ca 85 e8 bc 28 d9 fe 0f 0b eb c3 e8 13 9a 08 ff c6 05 f4 c9 26 05 01 48 c7 c7 e0 0c ca 85 e8 a0 28 d9 fe <0f> 0b eb a7 e8 f7 99 08 ff c6 05 d5 c9 26 05 01 48 c7 c7 20 0c ca [ 47.791582][ T3933] RSP: 0018:ffffc900070e7c38 EFLAGS: 00010246 [ 47.797681][ T3933] RAX: fc5511f1e0d85d00 RBX: 0000000000000003 RCX: ffff88811a33d100 [ 47.805728][ T3933] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 [ 47.813719][ T3933] RBP: ffffc900070e7c48 R08: ffffc900070e7947 R09: 1ffff92000e1cf28 [ 47.821736][ T3933] R10: dffffc0000000000 R11: fffff52000e1cf29 R12: 00000000ffffffef [ 47.829819][ T3933] R13: dffffc0000000000 R14: 0000000000000003 R15: 00000000c0000000 [ 47.837983][ T3933] FS: 000055556c898480(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 [ 47.846945][ T3933] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 47.853522][ T3933] CR2: 00007fa17d6ab3c0 CR3: 00000001137cd000 CR4: 00000000003506a0 [ 47.861520][ T3933] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 47.869607][ T3933] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 47.878228][ T3933] Call Trace: [ 47.881528][ T3933] [ 47.884443][ T3933] config_item_put+0x20e/0x210 [ 47.889234][ T3933] configfs_symlink+0x4a6/0x1360 [ 47.894181][ T3933] ? show_sid+0x1d0/0x1d0 [ 47.898591][ T3933] ? from_kgid+0x14f/0x6a0 [ 47.903355][ T3933] ? __cfi_from_kgid+0x10/0x10 [ 47.908144][ T3933] ? __cfi_configfs_symlink+0x10/0x10 [ 47.913599][ T3933] ? selinux_inode_symlink+0x22/0x30 [ 47.918888][ T3933] ? security_inode_symlink+0xcf/0x120 [ 47.924348][ T3933] vfs_symlink+0x261/0x3f0 [ 47.929275][ T3933] do_symlinkat+0x24a/0x5d0 [ 47.933864][ T3933] __x64_sys_symlinkat+0x99/0xb0 [ 47.938819][ T3933] x64_sys_call+0x282/0x9a0 [ 47.943330][ T3933] do_syscall_64+0x4c/0xa0 [ 47.947768][ T3933] ? clear_bhb_loop+0x30/0x80 [ 47.952448][ T3933] ? clear_bhb_loop+0x30/0x80 [ 47.957421][ T3933] entry_SYSCALL_64_after_hwframe+0x68/0xd2 [ 47.963312][ T3933] RIP: 0033:0x7fa17d612169 [ 47.967742][ T3933] Code: c0 79 93 eb d5 48 8d 7c 1d 00 eb 99 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 d8 ff ff ff f7 d8 64 89 01 48 [ 47.987748][ T3933] RSP: 002b:00007ffec12d5df8 EFLAGS: 00000246 ORIG_RAX: 000000000000010a [ 47.996183][ T3933] RAX: ffffffffffffffda RBX: 000000000000b582 RCX: 00007fa17d612169 [ 48.004311][ T3933] RDX: 0000200000000340 RSI: 00000000ffffff9c RDI: 0000200000000300 [ 48.012686][ T3933] RBP: 0000000000000000 R08: 00007ffec12d5e2c R09: 00007ffec12d5e2c [ 48.020711][ T3933] R10: 00007ffec12d5e2c R11: 0000000000000246 R12: 00007ffec12d5e2c [ 48.028885][ T3933] R13: 00007ffec12d5e60 R14: 00007ffec12d5e40 R15: 00000000000002b1 [pid 3937] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3937] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3936] <... symlinkat resumed>) = 0 [pid 308] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3937] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3936] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3937] <... unlinkat resumed>) = 0 [pid 3936] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3937] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3936] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3937] <... unlinkat resumed>) = 0 [pid 3936] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] newfstatat(AT_FDCWD, "./742/config" [pid 307] newfstatat(AT_FDCWD, "./714/config" [pid 3937] exit_group(0 [pid 3936] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3937] <... exit_group resumed>) = ? [pid 3936] <... exit_group resumed>) = ? [pid 3937] +++ exited with 0 +++ [pid 3936] +++ exited with 0 +++ [pid 308] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./729", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3937, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./729", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] openat(AT_FDCWD, "./742/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./714/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./729/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./729/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./729/binderfs") = 0 [pid 308] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 4 [pid 309] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 308] fstat(4 [pid 307] fstat(4 [pid 309] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./729/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./729/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./729/config") = 0 [pid 310] umount2("./747", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 310] openat(AT_FDCWD, "./747", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 309] close(3) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] fstat(3 [pid 308] getdents64(4 [pid 307] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 308] close(4 [pid 307] close(4 [pid 3933] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] rmdir("./729" [pid 308] <... close resumed>) = 0 [pid 310] umount2("./747/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./742/config" [pid 307] <... close resumed>) = 0 [pid 309] mkdir("./730", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./714/config" [pid 310] newfstatat(AT_FDCWD, "./747/binderfs" [pid 308] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3938 attached [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3938 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3933] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = -1 ENOENT (No such file or directory) [pid 3933] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 310] unlink("./747/binderfs" [pid 308] close(3 [pid 307] getdents64(3 [pid 3933] exit_group(0) = ? [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] rmdir("./742" [pid 307] close(3 [pid 3933] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3933, si_uid=0, si_status=0, si_utime=0, si_stime=67 /* 0.67 s */} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3938] set_robust_list(0x55556c898760, 24) = 0 [pid 3938] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 3938] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 310] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./743", 0777 [pid 3938] chdir("./730") = 0 [pid 3938] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3938] setpgid(0, 0) = 0 [pid 307] rmdir("./714" [pid 3938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = 0 [pid 3938] <... openat resumed>) = 3 [pid 3938] write(3, "1000", 4) = 4 [pid 3938] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 310] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3938] <... close resumed>) = 0 [pid 3938] symlink("/dev/binderfs", "./binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./715", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3938] <... symlink resumed>) = 0 [pid 3938] write(1, "executing program\n", 18) = 18 executing program [pid 3938] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] newfstatat(AT_FDCWD, "./747/config" [pid 3938] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3938] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3938] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3938] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./747/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3939 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3938] <... unlinkat resumed>) = 0 [pid 3938] exit_group(0 [pid 310] <... openat resumed>) = 4 [pid 3938] <... exit_group resumed>) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 306] umount2("./689", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 306] openat(AT_FDCWD, "./689", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./689/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3940 [pid 306] newfstatat(AT_FDCWD, "./689/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] unlink("./689/binderfs" [pid 310] getdents64(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./747/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./689/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./689/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./689/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] getdents64(3 [pid 306] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./689/config" [pid 310] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 310] rmdir("./747" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./689" [pid 310] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] mkdir("./748", 0777 [pid 306] mkdir("./690", 0777) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3938] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3941 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3939 attached [pid 3939] set_robust_list(0x55556c898760, 24) = 0 [pid 3939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3939] chdir("./743" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3938, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3939] <... chdir resumed>) = 0 [pid 3939] prctl(PR_SET_PDEATHSIG, SIGKILLci2-android-6-1/strace-static-x86_64: Process 3940 attached ) = 0 [pid 3939] setpgid(0, 0) = 0 [pid 3940] set_robust_list(0x55556c898760, 24 [pid 3939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3940] <... set_robust_list resumed>) = 0 [pid 3940] rt_sigprocmask(SIG_SETMASK, [] [pid 3939] <... openat resumed>) = 3 [pid 3940] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3940] chdir("./715") = 0 [pid 3939] write(3, "1000", 4) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3939] close(3 [pid 3940] <... prctl resumed>) = 0 [pid 3939] <... close resumed>) = 0 [pid 3940] setpgid(0, 0) = 0 [pid 3939] symlink("/dev/binderfs", "./binderfs" [pid 3940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3939] <... symlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3942 [pid 309] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3941 attached [pid 3940] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3940] write(3, "1000", 4 [pid 3939] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3940] <... write resumed>) = 4 [pid 309] umount2("./730", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3939] <... write resumed>) = 18 [pid 3940] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3940] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./730", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3939] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... openat resumed>) = 3 [pid 3940] symlink("/dev/binderfs", "./binderfs" [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3939] <... mkdirat resumed>) = 0 [pid 309] getdents64(3 [pid 3940] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3940] write(1, "executing program\n", 18 [pid 309] umount2("./730/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3940] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3940] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] newfstatat(AT_FDCWD, "./730/binderfs" [pid 3941] set_robust_list(0x55556c898760, 24 [pid 3940] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3939] mount(NULL, "./config", "configfs", 0, NULL [pid 309] unlink("./730/binderfs" [pid 3939] <... mount resumed>) = 0 [pid 3939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 3939] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3939] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 3940] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3939] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3940] <... mount resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./730/config" [pid 3940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-6-1/strace-static-x86_64: Process 3942 attached [pid 3939] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3940] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3940] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./730/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... openat resumed>) = 4 [pid 3940] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(4 [pid 3939] <... symlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3940] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 3940] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3940] <... unlinkat resumed>) = 0 [pid 3939] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 3940] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3939] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... close resumed>) = 0 [pid 3940] <... unlinkat resumed>) = 0 [pid 3939] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rmdir("./730/config" [pid 3940] exit_group(0 [pid 3939] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3940] <... exit_group resumed>) = ? [pid 3939] exit_group(0 [pid 3940] +++ exited with 0 +++ [pid 3939] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 3939] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 3941] <... set_robust_list resumed>) = 0 [pid 307] umount2("./715", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./730" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3941] rt_sigprocmask(SIG_SETMASK, [] [pid 3942] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./715", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] mkdir("./731", 0777 [pid 307] <... openat resumed>) = 3 [pid 3942] rt_sigprocmask(SIG_SETMASK, [] [pid 3941] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3941] chdir("./690" [pid 3942] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3942] chdir("./748" [pid 3941] <... chdir resumed>) = 0 [pid 3941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3942] <... chdir resumed>) = 0 [pid 3941] <... prctl resumed>) = 0 [pid 3941] setpgid(0, 0) = 0 [pid 3942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 307] fstat(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3942] <... prctl resumed>) = 0 [pid 3941] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3942] setpgid(0, 0 [pid 3941] write(3, "1000", 4 [pid 3942] <... setpgid resumed>) = 0 [pid 3941] <... write resumed>) = 4 [pid 3942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3941] close(3 [pid 3942] <... openat resumed>) = 3 [pid 3941] <... close resumed>) = 0 [pid 307] umount2("./715/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3942] write(3, "1000", 4 [pid 3941] symlink("/dev/binderfs", "./binderfs" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3943 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3942] <... write resumed>) = 4 [pid 3941] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./715/binderfs" [pid 3942] close(3 [pid 3941] write(1, "executing program\n", 18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3942] <... close resumed>) = 0 [pid 3941] <... write resumed>) = 18 executing program [pid 3942] symlink("/dev/binderfs", "./binderfs" [pid 3941] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] unlink("./715/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3943 attached [pid 3942] <... symlink resumed>) = 0 [pid 3941] <... mkdirat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 3942] write(1, "executing program\n", 18 [pid 3941] mount(NULL, "./config", "configfs", 0, NULL [pid 307] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3942] <... write resumed>) = 18 [pid 3941] <... mount resumed>) = 0 executing program [pid 307] <... umount2 resumed>) = 0 [pid 3942] mkdirat(AT_FDCWD, "./config", 0777 [pid 3941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3943] set_robust_list(0x55556c898760, 24 [pid 3942] <... mkdirat resumed>) = 0 [pid 3941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3942] mount(NULL, "./config", "configfs", 0, NULL [pid 3941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] newfstatat(AT_FDCWD, "./715/config" [pid 3942] <... mount resumed>) = 0 [pid 3941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3942] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3941] <... mkdirat resumed>) = 0 [pid 307] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3941] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./715/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3942] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3941] <... symlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 3943] <... set_robust_list resumed>) = 0 [pid 307] fstat(4 [pid 3942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3941] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3942] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3941] <... unlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 3942] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3941] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3942] <... symlinkat resumed>) = 0 [pid 3941] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3942] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3941] exit_group(0 [pid 307] getdents64(4 [pid 3942] <... unlinkat resumed>) = 0 [pid 3941] <... exit_group resumed>) = ? [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3943] rt_sigprocmask(SIG_SETMASK, [] [pid 3942] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3941] +++ exited with 0 +++ [pid 307] close(4 [pid 3942] <... unlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3941, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./715/config" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3942] exit_group(0) = ? [pid 3943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3942] +++ exited with 0 +++ [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3943] chdir("./731" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3943] <... chdir resumed>) = 0 [pid 307] close(3 [pid 3943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... close resumed>) = 0 [pid 3943] <... prctl resumed>) = 0 [pid 307] rmdir("./715" [pid 3943] setpgid(0, 0) = 0 [pid 3943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 3943] write(3, "1000", 4 [pid 307] mkdir("./716", 0777 [pid 3943] <... write resumed>) = 4 [pid 3943] close(3) = 0 [pid 3943] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3943] write(1, "executing program\n", 18 [pid 307] <... mkdir resumed>) = 0 [pid 3943] <... write resumed>) = 18 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3943] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3943] <... mkdirat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3943] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] umount2("./743", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3944 [pid 3943] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./743", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3943] <... symlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 3943] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] fstat(3 [pid 3943] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3943] exit_group(0 [pid 308] getdents64(3 [pid 3943] <... exit_group resumed>) = ? [pid 3943] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./743/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] newfstatat(AT_FDCWD, "./743/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3944 attached , {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./743/binderfs" [pid 3944] set_robust_list(0x55556c898760, 24) = 0 [pid 3944] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3944] chdir("./716" [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3944] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3944] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] newfstatat(AT_FDCWD, "./743/config" [pid 3944] <... prctl resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3944] setpgid(0, 0) = 0 [pid 3944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./743/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3944] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 4 [pid 309] umount2("./731", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 306] umount2("./690", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./731", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 309] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./690", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3944] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3944] <... write resumed>) = 4 [pid 309] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 308] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 3944] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3944] <... close resumed>) = 0 [pid 3944] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(3 [pid 309] umount2("./731/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./743/config" [pid 309] newfstatat(AT_FDCWD, "./731/binderfs" [pid 306] umount2("./690/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3944] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./690/binderfs" [pid 309] unlink("./731/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3944] write(1, "executing program\n", 18) = 18 executing program [pid 3944] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... unlink resumed>) = 0 [pid 308] close(3 [pid 306] unlink("./690/binderfs" [pid 309] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./743" [pid 306] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 3944] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./744", 0777 [pid 3944] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... umount2 resumed>) = 0 [pid 310] umount2("./748", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3944] <... mount resumed>) = 0 [pid 3944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./731/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./748", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./690/config" [pid 310] <... openat resumed>) = 3 [pid 309] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3944] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3944] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3944] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./731/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3945 [pid 306] umount2("./690/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 3944] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] fstat(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./690/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./748/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3944] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./748/binderfs" [pid 3944] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] unlink("./748/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 3944] <... exit_group resumed>) = ? [pid 3944] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 309] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3945 attached [pid 3945] set_robust_list(0x55556c898760, 24 [pid 309] rmdir("./731/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3945] <... set_robust_list resumed>) = 0 [pid 3945] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3945] chdir("./744" [pid 310] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./748/config" [pid 306] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./690/config" [pid 309] close(3 [pid 310] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3945] <... chdir resumed>) = 0 [pid 3945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3945] setpgid(0, 0) = 0 [pid 3945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./748/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./731" [pid 306] getdents64(3 [pid 3945] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3945] write(3, "1000", 4) = 4 [pid 3945] close(3 [pid 310] fstat(4 [pid 309] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./732", 0777 [pid 310] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 3945] <... close resumed>) = 0 [pid 3945] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3945] write(1, "executing program\n", 18 [pid 309] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] rmdir("./690" [pid 310] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... restart_syscall resumed>) = 0 [pid 3945] <... write resumed>) = 18 [pid 3945] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] close(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./691", 0777 [pid 310] <... close resumed>) = 0 [pid 307] umount2("./716", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3945] <... mkdirat resumed>) = 0 executing program [pid 310] rmdir("./748/config" [pid 306] <... mkdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3945] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./716", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3946 [pid 307] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3945] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(3 [pid 307] fstat(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3945] <... symlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3945] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3945] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3945] exit_group(0 [pid 310] rmdir("./748" [pid 307] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3947 [pid 3945] <... exit_group resumed>) = ? [pid 3945] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./749", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./716/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3946 attached [pid 3946] set_robust_list(0x55556c898760, 24) = 0 [pid 3946] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3946] chdir("./732" [pid 310] <... mkdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./716/binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3946] <... chdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3946] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3946] setpgid(0, 0) = 0 [pid 3946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ci2-android-6-1/strace-static-x86_64: Process 3947 attached [pid 307] unlink("./716/binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3948 [pid 307] <... unlink resumed>) = 0 [pid 3947] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3946] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = 0 [pid 3946] <... write resumed>) = 4 [pid 307] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3946] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3947] <... set_robust_list resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./716/config" [pid 3946] <... close resumed>) = 0 [pid 3947] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3946] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3947] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3947] chdir("./691" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3947] <... chdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./716/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... openat resumed>) = 4 [pid 3947] setpgid(0, 0 [pid 307] fstat(4 [pid 3947] <... setpgid resumed>) = 0 [pid 3946] write(1, "executing program\n", 18 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] getdents64(4 [pid 3946] <... write resumed>) = 18 executing program [pid 3946] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3947] <... openat resumed>) = 3 [pid 3946] <... mkdirat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3946] mount(NULL, "./config", "configfs", 0, NULL [pid 307] close(4 [pid 308] umount2("./744", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./716/config" [pid 308] openat(AT_FDCWD, "./744", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3946] <... mount resumed>) = 0 [pid 3946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 308] fstat(3 [pid 3946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [ 48.036882][ T3933] [ 48.039905][ T3933] ---[ end trace 0000000000000000 ]--- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3946] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 307] close(3 [pid 3947] write(3, "1000", 4 [pid 3946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... close resumed>) = 0 [pid 3947] <... write resumed>) = 4 [pid 308] umount2("./744/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./716" [pid 3946] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3946] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3947] close(3 [pid 3946] <... symlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./744/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 3946] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] mkdir("./717", 0777 [pid 3947] <... close resumed>) = 0 [pid 308] unlink("./744/binderfs" [pid 3946] <... unlinkat resumed>) = 0 [pid 3946] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3946] exit_group(0 [pid 307] <... mkdir resumed>) = 0 [pid 3946] <... exit_group resumed>) = ? [pid 308] <... unlink resumed>) = 0 [pid 3947] symlink("/dev/binderfs", "./binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3947] <... symlink resumed>) = 0 [pid 3946] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3948 attached [pid 3948] set_robust_list(0x55556c898760, 24 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3948] <... set_robust_list resumed>) = 0 [pid 3948] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3948] chdir("./749") = 0 [pid 3948] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3948] setpgid(0, 0) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3947] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3949 executing program [pid 3947] <... write resumed>) = 18 [pid 308] newfstatat(AT_FDCWD, "./744/config"ci2-android-6-1/strace-static-x86_64: Process 3949 attached [pid 3948] <... openat resumed>) = 3 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3947] mkdirat(AT_FDCWD, "./config", 0777 [pid 3949] set_robust_list(0x55556c898760, 24 [pid 3948] write(3, "1000", 4 [pid 308] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./732", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./744/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./732", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3948] <... write resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 308] fstat(4 [pid 309] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 309] getdents64(3 [pid 3948] close(3) = 0 [pid 3948] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(4 [pid 309] umount2("./732/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 309] newfstatat(AT_FDCWD, "./732/binderfs" [pid 308] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rmdir("./744/config" [pid 309] unlink("./732/binderfs" [pid 3948] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3948] write(1, "executing program\n", 18 [pid 309] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 3948] <... write resumed>) = 18 [pid 3947] <... mkdirat resumed>) = 0 [pid 309] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 3948] mkdirat(AT_FDCWD, "./config", 0777 [pid 3947] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = 0 [pid 308] close(3 [pid 309] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3948] <... mkdirat resumed>) = 0 [pid 3947] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 3947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] newfstatat(AT_FDCWD, "./732/config" [pid 308] rmdir("./744" [pid 3948] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3948] <... mount resumed>) = 0 [pid 3948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 3947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./745", 0777 [pid 3947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3948] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... mkdir resumed>) = 0 [pid 3948] <... symlinkat resumed>) = 0 [pid 3947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./732/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3948] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3949] <... set_robust_list resumed>) = 0 [pid 3948] <... unlinkat resumed>) = 0 [pid 3947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... openat resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3949] rt_sigprocmask(SIG_SETMASK, [] [pid 3948] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3947] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3949] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3948] <... unlinkat resumed>) = 0 [pid 3949] chdir("./717" [pid 3948] exit_group(0 [pid 3949] <... chdir resumed>) = 0 [pid 3948] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 3950 attached [pid 3949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3948] +++ exited with 0 +++ [pid 3947] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] getdents64(4 [pid 3949] <... prctl resumed>) = 0 [pid 3950] set_robust_list(0x55556c898760, 24 [pid 3947] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3950 [pid 3949] setpgid(0, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3949] <... setpgid resumed>) = 0 [pid 3947] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] close(4 [pid 3950] <... set_robust_list resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 3947] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rmdir("./732/config" [pid 3949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3950] chdir("./745") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3947] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] getdents64(3 [pid 3950] <... prctl resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3950] setpgid(0, 0 [pid 309] close(3 [pid 3947] exit_group(0 [pid 3950] <... setpgid resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 3947] <... exit_group resumed>) = ? [pid 3949] <... openat resumed>) = 3 [pid 309] rmdir("./732" [pid 3950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3950] write(3, "1000", 4 [pid 309] <... rmdir resumed>) = 0 [pid 3950] <... write resumed>) = 4 [pid 309] mkdir("./733", 0777 [pid 3950] close(3) = 0 [pid 3950] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 3950] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3950] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3950] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3950] <... mkdirat resumed>) = 0 [pid 3950] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3947] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3951 [pid 3949] write(3, "1000", 4 [pid 3950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3949] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3950] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 3949] close(3 [pid 3950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3949] <... close resumed>) = 0 [pid 3950] <... mkdirat resumed>) = 0 [pid 3950] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3949] symlink("/dev/binderfs", "./binderfs" [pid 3950] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3950] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3950] exit_group(0) = ? executing program [pid 3950] +++ exited with 0 +++ [pid 3949] <... symlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3951 attached [pid 3949] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3951] set_robust_list(0x55556c898760, 24 [pid 3949] <... write resumed>) = 18 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3951] <... set_robust_list resumed>) = 0 [pid 3951] rt_sigprocmask(SIG_SETMASK, [] [pid 3949] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3951] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3951] chdir("./733") = 0 [pid 3951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./749", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./691", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3951] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./749", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./691", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 3951] setpgid(0, 0 [pid 310] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 310] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3951] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 310] umount2("./749/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./749/binderfs" [pid 306] umount2("./691/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3949] <... mkdirat resumed>) = 0 [pid 310] unlink("./749/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3951] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 3949] mount(NULL, "./config", "configfs", 0, NULL [pid 306] newfstatat(AT_FDCWD, "./691/binderfs" [pid 310] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./691/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 3951] write(3, "1000", 4) = 4 [pid 3951] close(3) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./749/config" [pid 3949] <... mount resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./749/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] newfstatat(AT_FDCWD, "./691/config" [pid 310] <... openat resumed>) = 4 [pid 3951] symlink("/dev/binderfs", "./binderfs" [pid 3949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./691/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3951] <... symlink resumed>) = 0 [pid 3949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] openat(AT_FDCWD, "./691/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 3951] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 4 [pid 3951] <... write resumed>) = 18 [pid 310] close(4 [pid 306] fstat(4 [pid 3951] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3949] <... mkdirat resumed>) = 0 [pid 310] rmdir("./749/config" [pid 306] getdents64(4 [pid 3951] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3949] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 306] getdents64(4 [pid 3951] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 306] close(4 [pid 3951] <... mount resumed>) = 0 [pid 3949] <... symlinkat resumed>) = 0 executing program [pid 310] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 3949] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rmdir("./749" [pid 306] rmdir("./691/config" [pid 3951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3951] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rmdir resumed>) = 0 [pid 3951] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3951] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] mkdir("./750", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 3949] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3951] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3951] exit_group(0 [pid 3949] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3949] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3951] <... exit_group resumed>) = ? [pid 306] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3951] +++ exited with 0 +++ [pid 3949] exit_group(0 [pid 306] rmdir("./691" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3952 ci2-android-6-1/strace-static-x86_64: Process 3952 attached [pid 3952] set_robust_list(0x55556c898760, 24) = 0 [pid 3952] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3949] <... exit_group resumed>) = ? [pid 308] umount2("./745", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./692", 0777 [pid 3952] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3952] chdir("./750" [pid 308] openat(AT_FDCWD, "./745", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3952] <... chdir resumed>) = 0 [pid 3952] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3952] setpgid(0, 0) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 3952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3952] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 3952] write(3, "1000", 4) = 4 [pid 3952] close(3) = 0 [pid 3952] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3952] <... symlink resumed>) = 0 [pid 308] umount2("./745/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3952] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3953 [pid 308] newfstatat(AT_FDCWD, "./745/binderfs" [pid 3952] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3949] +++ exited with 0 +++ [pid 308] unlink("./745/binderfs" [pid 3952] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... unlink resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3949, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 executing program [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3952] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 3952] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./733", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./745/config" [pid 309] openat(AT_FDCWD, "./733", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 308] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 3952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./745/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 3952] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 4 [pid 3952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(4 [pid 309] umount2("./733/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./733/binderfs" [pid 3952] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3952] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] unlink("./733/binderfs" [pid 308] getdents64(4 [pid 3952] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3952] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 3952] exit_group(0) = ? [pid 3952] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] umount2("./717", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./745/config"ci2-android-6-1/strace-static-x86_64: Process 3953 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3952, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3953] set_robust_list(0x55556c898760, 24) = 0 [pid 3953] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./733/config" [pid 308] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./717", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 309] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] fstat(3 [pid 309] openat(AT_FDCWD, "./733/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 3953] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 3953] chdir("./692" [pid 309] fstat(4 [pid 308] rmdir("./745" [pid 307] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3953] <... chdir resumed>) = 0 [pid 3953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3953] setpgid(0, 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 308] mkdir("./746", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3953] <... openat resumed>) = 3 [pid 3953] write(3, "1000", 4) = 4 [pid 3953] close(3) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./717/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./717/binderfs" [pid 309] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3953] symlink("/dev/binderfs", "./binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3953] <... symlink resumed>) = 0 [pid 3953] write(1, "executing program\n", 18) = 18 executing program [pid 3953] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] rmdir("./733/config" [pid 307] unlink("./717/binderfs" [pid 3953] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3954 [pid 307] <... unlink resumed>) = 0 [pid 3953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./717/config" [pid 309] rmdir("./733" [pid 3953] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./734", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3953] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3953] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./717/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(4 [pid 3953] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3953] <... unlinkat resumed>) = 0 [pid 3953] exit_group(0) = ? [pid 3953] +++ exited with 0 +++ [pid 307] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3954 attached [pid 3954] set_robust_list(0x55556c898760, 24 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3955 [pid 307] getdents64(4 [pid 3954] <... set_robust_list resumed>) = 0 [pid 3954] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3954] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 3954] chdir("./746" [pid 310] umount2("./750", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./717/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3954] <... chdir resumed>) = 0 [pid 3954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3954] setpgid(0, 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./750", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 3954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3954] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 307] close(3ci2-android-6-1/strace-static-x86_64: Process 3955 attached [pid 3955] set_robust_list(0x55556c898760, 24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 3955] <... set_robust_list resumed>) = 0 [pid 310] getdents64(3 [pid 307] rmdir("./717" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3955] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3955] chdir("./734" [pid 307] <... rmdir resumed>) = 0 [pid 3955] <... chdir resumed>) = 0 [pid 307] mkdir("./718", 0777 [pid 310] umount2("./750/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3955] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3955] setpgid(0, 0) = 0 [pid 3955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./692", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3954] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./750/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3954] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3955] write(3, "1000", 4) = 4 [pid 3955] close(3 [pid 310] unlink("./750/binderfs" [pid 3954] close(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./692", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3955] <... close resumed>) = 0 [pid 3955] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 3955] <... symlink resumed>) = 0 [pid 310] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 3955] write(1, "executing program\n", 18) = 18 [pid 3955] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] fstat(3 [pid 3954] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3956 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3954] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3955] <... mkdirat resumed>) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./750/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3954] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3954] write(1, "executing program\n", 18 [pid 306] umount2("./692/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3954] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3955] mount(NULL, "./config", "configfs", 0, NULL [pid 310] openat(AT_FDCWD, "./750/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 306] newfstatat(AT_FDCWD, "./692/binderfs" [pid 3955] <... mount resumed>) = 0 [pid 3954] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 306] unlink("./692/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 306] <... unlink resumed>) = 0 [pid 3955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 3955] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 3954] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 306] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3955] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 3954] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./750/config" [pid 306] newfstatat(AT_FDCWD, "./692/config" [pid 3955] <... symlinkat resumed>) = 0 [pid 3955] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3955] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3954] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 306] umount2("./692/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3954] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 306] openat(AT_FDCWD, "./692/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3955] exit_group(0 [pid 3954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] rmdir("./750" [pid 306] fstat(4 [pid 3955] <... exit_group resumed>) = ? [pid 3955] +++ exited with 0 +++ [pid 3954] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 3956 attached [pid 3954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] mkdir("./751", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(4 [pid 3956] set_robust_list(0x55556c898760, 24) = 0 [pid 3956] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3956] chdir("./718") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 3956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(4 [pid 3956] <... prctl resumed>) = 0 [pid 3956] setpgid(0, 0) = 0 [pid 3956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3956] write(3, "1000", 4) = 4 [pid 3956] close(3 [pid 306] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3957 [pid 306] rmdir("./692/config" [pid 3954] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3956] <... close resumed>) = 0 [pid 3956] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3954] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 3956] write(1, "executing program\n", 18 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3956] <... write resumed>) = 18 [pid 306] close(3 [pid 3956] mkdirat(AT_FDCWD, "./config", 0777 [pid 3954] <... symlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 executing program [pid 3956] <... mkdirat resumed>) = 0 [pid 3954] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rmdir("./692"ci2-android-6-1/strace-static-x86_64: Process 3957 attached [pid 3957] set_robust_list(0x55556c898760, 24) = 0 [pid 3957] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3957] chdir("./751" [pid 306] <... rmdir resumed>) = 0 [pid 3957] <... chdir resumed>) = 0 [pid 306] mkdir("./693", 0777 [pid 3954] <... unlinkat resumed>) = 0 [pid 3957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3957] setpgid(0, 0) = 0 [pid 3957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... mkdir resumed>) = 0 [pid 3954] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3957] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3957] write(3, "1000", 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3954] <... unlinkat resumed>) = 0 [pid 3957] <... write resumed>) = 4 [pid 3957] close(3) = 0 [pid 3957] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3957] write(1, "executing program\n", 18) = 18 [pid 3957] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... restart_syscall resumed>) = 0 executing program [pid 3957] <... mkdirat resumed>) = 0 [pid 3956] mount(NULL, "./config", "configfs", 0, NULL [pid 3954] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3958 ci2-android-6-1/strace-static-x86_64: Process 3958 attached [pid 3958] set_robust_list(0x55556c898760, 24 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3954] <... exit_group resumed>) = ? [pid 309] umount2("./734", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3956] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3958] <... set_robust_list resumed>) = 0 [pid 309] openat(AT_FDCWD, "./734", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 3958] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3958] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./734/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./734/binderfs" [pid 3958] chdir("./693" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./734/binderfs" [pid 3954] +++ exited with 0 +++ [pid 3958] <... chdir resumed>) = 0 [pid 3958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3958] <... prctl resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 3958] setpgid(0, 0) = 0 [pid 309] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./734/config" [pid 3956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3957] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./734/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3956] <... mkdirat resumed>) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3957] <... mount resumed>) = 0 [pid 3956] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] close(4 [pid 3958] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 3958] write(3, "1000", 4 [pid 3957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rmdir("./734/config" [pid 3958] <... write resumed>) = 4 [pid 3958] close(3) = 0 [pid 3958] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 3957] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(3 [pid 3957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 3958] <... symlink resumed>) = 0 [pid 3957] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3956] <... symlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./734" [pid 3957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3956] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3958] write(1, "executing program\n", 18) = 18 executing program [pid 3958] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3957] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3956] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 3958] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3957] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3956] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] mkdir("./735", 0777 [pid 3958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3958] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3957] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 3956] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3957] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3958] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3957] <... unlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3958] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3958] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3958] exit_group(0) = ? [pid 3958] +++ exited with 0 +++ [pid 3957] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3956] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 3959 attached [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3959 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3957] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3956] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3957] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3957] <... exit_group resumed>) = ? [pid 3959] set_robust_list(0x55556c898760, 24) = 0 [pid 3959] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3959] chdir("./735") = 0 [pid 3956] +++ exited with 0 +++ [pid 3959] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3959] <... prctl resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3959] setpgid(0, 0) = 0 [pid 3959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3959] write(3, "1000", 4 [pid 3957] +++ exited with 0 +++ [pid 3959] <... write resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3959] close(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3959] <... close resumed>) = 0 [pid 3959] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3959] write(1, "executing program\n", 18 [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 3959] <... write resumed>) = 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 3959] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] umount2("./746", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./751", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./746", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./751", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 310] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 3959] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3959] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./746/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] umount2("./751/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./746/binderfs" [pid 3959] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./751/binderfs" [pid 3959] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] unlink("./746/binderfs" [pid 3959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 310] unlink("./751/binderfs" [pid 3959] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 3959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3959] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./746/config" [pid 310] newfstatat(AT_FDCWD, "./751/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 310] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./746/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./751/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 4 [pid 306] umount2("./693", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 310] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 306] openat(AT_FDCWD, "./693", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 3 [pid 3959] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 [pid 306] fstat(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 3959] <... unlinkat resumed>) = 0 [pid 310] rmdir("./751/config" [pid 308] close(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3959] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] umount2("./693/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./746/config" [pid 306] newfstatat(AT_FDCWD, "./693/binderfs" [pid 310] close(3 [pid 3959] exit_group(0) = ? [pid 3959] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./751" [pid 308] getdents64(3 [pid 306] unlink("./693/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3959, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] mkdir("./752", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(3 [pid 306] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./746" [pid 306] <... umount2 resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 3960 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3960 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./747", 0777 [pid 307] umount2("./718", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./693/config" [pid 3960] set_robust_list(0x55556c898760, 24) = 0 [pid 3960] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3960] chdir("./752") = 0 [pid 3960] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3960] setpgid(0, 0) = 0 [pid 3960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3960] <... openat resumed>) = 3 [pid 3960] write(3, "1000", 4) = 4 [pid 3960] close(3) = 0 [pid 3960] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./718", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3960] write(1, "executing program\n", 18) = 18 [pid 3960] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./693/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3960] <... mkdirat resumed>) = 0 [pid 307] fstat(3 [pid 306] openat(AT_FDCWD, "./693/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3960] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] umount2("./735", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 306] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3961 [pid 307] getdents64(3 [pid 309] openat(AT_FDCWD, "./735", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(4 [pid 3960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./718/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 306] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./718/binderfs" [pid 306] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./735/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./718/binderfs" [pid 306] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3960] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... unlink resumed>) = 0 [pid 3960] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./735/binderfs" [pid 307] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] rmdir("./693/config" [pid 309] unlink("./735/binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 3960] <... mkdirat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3960] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 309] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3960] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] newfstatat(AT_FDCWD, "./718/config" [pid 309] <... umount2 resumed>) = 0 [pid 306] close(3 [pid 309] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 3960] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./693" [pid 309] newfstatat(AT_FDCWD, "./735/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3960] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3960] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./718/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 309] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 306] mkdir("./694", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 3960] <... exit_group resumed>) = ? [pid 3960] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "./735/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3961 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./735/config") = 0 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(3) = 0 [pid 309] rmdir("./735") = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] mkdir("./736", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3961] set_robust_list(0x55556c898760, 24 [pid 309] <... mkdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c898750) = 3962 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3963 [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3963 attached [pid 307] rmdir("./718/config" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3963] set_robust_list(0x55556c898760, 24) = 0 [pid 3963] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3963] chdir("./694") = 0 [pid 3963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3963] setpgid(0, 0) = 0 [pid 3963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3963] write(3, "1000", 4) = 4 [pid 3963] close(3) = 0 [pid 3963] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] getdents64(3 [pid 3961] <... set_robust_list resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3962 attached [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 3962] set_robust_list(0x55556c898760, 24 [pid 307] <... close resumed>) = 0 [pid 3962] <... set_robust_list resumed>) = 0 [pid 307] rmdir("./718" [pid 3962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3962] chdir("./736") = 0 [pid 3962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rmdir resumed>) = 0 [pid 3963] write(1, "executing program\n", 18 [pid 3962] <... prctl resumed>) = 0 [pid 3961] rt_sigprocmask(SIG_SETMASK, [] [pid 307] mkdir("./719", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./752", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./752", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... mkdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./752/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./752/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./752/binderfs") = 0 [pid 310] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 310] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3964 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./752/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./752/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./752/config") = 0 executing program [pid 3963] <... write resumed>) = 18 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./752") = 0 [pid 310] mkdir("./753", 0777 [pid 3963] mkdirat(AT_FDCWD, "./config", 0777 [pid 3961] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3961] chdir("./747" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3965 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3962] setpgid(0, 0) = 0 [pid 3962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3962] write(3, "1000", 4) = 4 [pid 3961] <... chdir resumed>) = 0 [pid 3962] close(3) = 0 [pid 3962] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 3962] write(1, "executing program\n", 18) = 18 [pid 3962] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 3965 attached [pid 3963] <... mkdirat resumed>) = 0 [pid 3962] <... mkdirat resumed>) = 0 [pid 3961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3962] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3961] <... prctl resumed>) = 0 [pid 3963] mount(NULL, "./config", "configfs", 0, NULL [pid 3962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3961] setpgid(0, 0 [pid 3962] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3963] <... mount resumed>) = 0 [pid 3962] <... symlinkat resumed>) = 0 [pid 3962] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3961] <... setpgid resumed>) = 0 [pid 3962] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3962] exit_group(0) = ? [pid 3965] set_robust_list(0x55556c898760, 24 [pid 3963] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3962] +++ exited with 0 +++ [pid 3961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 3964 attached [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3964] set_robust_list(0x55556c898760, 24) = 0 [pid 3961] <... openat resumed>) = 3 [pid 3963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3964] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3964] chdir("./719") = 0 [pid 3964] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 3964] setpgid(0, 0) = 0 [pid 3961] write(3, "1000", 4 [pid 3963] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3961] <... write resumed>) = 4 [pid 3964] <... openat resumed>) = 3 [pid 3961] close(3 [pid 309] umount2("./736", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3964] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3961] <... close resumed>) = 0 [pid 3963] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./736", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3961] symlink("/dev/binderfs", "./binderfs" [pid 309] <... openat resumed>) = 3 [pid 3964] <... write resumed>) = 4 [pid 309] fstat(3 [pid 3964] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3964] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 3964] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3963] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3961] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3964] write(1, "executing program\n", 18 [pid 3961] write(1, "executing program\n", 18 [pid 309] umount2("./736/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3964] <... write resumed>) = 18 [pid 3964] mkdirat(AT_FDCWD, "./config", 0777 [pid 3961] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3963] <... symlinkat resumed>) = 0 executing program executing program [pid 309] newfstatat(AT_FDCWD, "./736/binderfs" [pid 3965] <... set_robust_list resumed>) = 0 [pid 3964] <... mkdirat resumed>) = 0 [pid 3963] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3961] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3964] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] unlink("./736/binderfs" [pid 3964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... unlink resumed>) = 0 [pid 3964] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3964] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 3964] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3961] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3963] <... unlinkat resumed>) = 0 [pid 3961] mount(NULL, "./config", "configfs", 0, NULL [pid 309] newfstatat(AT_FDCWD, "./736/config" [pid 3964] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3963] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3961] <... mount resumed>) = 0 [pid 309] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3964] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3964] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3963] <... unlinkat resumed>) = 0 [pid 3961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] openat(AT_FDCWD, "./736/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3964] exit_group(0 [pid 3961] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 3964] <... exit_group resumed>) = ? [pid 3961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] fstat(4 [pid 3963] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3963] <... exit_group resumed>) = ? [pid 3961] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 3964] +++ exited with 0 +++ [pid 3961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 3965] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./736/config" [pid 307] umount2("./719", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3965] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3965] chdir("./753") = 0 [pid 3965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rmdir resumed>) = 0 [pid 3965] <... prctl resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 3961] <... mkdirat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./719", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3961] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 309] close(3 [pid 307] fstat(3 [pid 3965] setpgid(0, 0 [pid 309] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./736" [pid 3961] <... symlinkat resumed>) = 0 [pid 307] getdents64(3 [pid 3965] <... setpgid resumed>) = 0 [pid 3965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3963] +++ exited with 0 +++ [pid 3961] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] mkdir("./737", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./719/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3965] write(3, "1000", 4) = 4 [pid 3965] close(3) = 0 [pid 3965] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3965] write(1, "executing program\n", 18 [pid 3961] <... unlinkat resumed>) = 0 executing program [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] newfstatat(AT_FDCWD, "./719/binderfs" [pid 3965] <... write resumed>) = 18 [pid 3961] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3965] mkdirat(AT_FDCWD, "./config", 0777 [pid 3961] <... unlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3965] <... mkdirat resumed>) = 0 [pid 3961] exit_group(0 [pid 3965] mount(NULL, "./config", "configfs", 0, NULL [pid 307] unlink("./719/binderfs" [pid 3965] <... mount resumed>) = 0 [pid 3965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3966 [pid 307] <... unlink resumed>) = 0 [pid 3961] <... exit_group resumed>) = ? [pid 3965] <... mkdirat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3965] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = 0 [pid 3965] <... symlinkat resumed>) = 0 [pid 307] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3965] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3965] <... unlinkat resumed>) = 0 [pid 3961] +++ exited with 0 +++ [pid 307] newfstatat(AT_FDCWD, "./719/config" [pid 3965] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3961, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3965] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3965] exit_group(0 [pid 307] openat(AT_FDCWD, "./719/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3965] <... exit_group resumed>) = ? [pid 307] <... openat resumed>) = 4 [pid 3965] +++ exited with 0 +++ [pid 307] fstat(4ci2-android-6-1/strace-static-x86_64: Process 3966 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3966] set_robust_list(0x55556c898760, 24) = 0 [pid 307] getdents64(4 [pid 3966] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3966] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 3966] chdir("./737" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3966] <... chdir resumed>) = 0 [pid 307] close(4 [pid 3966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... close resumed>) = 0 [pid 3966] <... prctl resumed>) = 0 [pid 307] rmdir("./719/config" [pid 3966] setpgid(0, 0) = 0 [pid 3966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 3966] write(3, "1000", 4 [pid 307] getdents64(3 [pid 3966] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3966] close(3 [pid 307] close(3 [pid 3966] <... close resumed>) = 0 [pid 3966] symlink("/dev/binderfs", "./binderfs" [pid 307] <... close resumed>) = 0 [pid 3966] <... symlink resumed>) = 0 executing program [pid 307] rmdir("./719" [pid 3966] write(1, "executing program\n", 18) = 18 [pid 3966] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 3966] mount(NULL, "./config", "configfs", 0, NULL [pid 307] mkdir("./720", 0777 [pid 3966] <... mount resumed>) = 0 [pid 3966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 3966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3966] <... mkdirat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3966] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 3966] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3966] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3966] exit_group(0) = ? [pid 3966] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3967 ci2-android-6-1/strace-static-x86_64: Process 3967 attached [pid 310] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3966, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3967] set_robust_list(0x55556c898760, 24 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./694", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3967] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./753", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./747", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 306] openat(AT_FDCWD, "./694", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./753", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./747", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] umount2("./737", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 306] fstat(3 [pid 3967] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3967] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 309] openat(AT_FDCWD, "./737", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./753/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./747/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 306] umount2("./694/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./753/binderfs" [pid 309] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3967] chdir("./720" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./747/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3967] <... chdir resumed>) = 0 [pid 310] unlink("./753/binderfs" [pid 309] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] newfstatat(AT_FDCWD, "./694/binderfs" [pid 310] <... unlink resumed>) = 0 [pid 308] unlink("./747/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... unlink resumed>) = 0 [pid 306] unlink("./694/binderfs" [pid 310] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 308] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./737/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3967] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3967] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./737/binderfs" [pid 308] newfstatat(AT_FDCWD, "./747/config" [pid 306] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3967] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./753/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./737/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3967] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./694/config" [pid 3967] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./753/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./747/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 306] umount2("./694/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 3967] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3967] close(3 [pid 310] getdents64(4 [pid 309] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 306] openat(AT_FDCWD, "./694/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3967] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 3967] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./737/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(4 [pid 310] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 310] rmdir("./753/config" [pid 309] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./747/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3967] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 3967] write(1, "executing program\n", 18) = 18 [pid 3967] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] openat(AT_FDCWD, "./737/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] close(3 [pid 310] close(3 [pid 309] fstat(4 [pid 306] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] rmdir("./753" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./747" executing program [pid 306] rmdir("./694/config" [pid 3967] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 3967] mount(NULL, "./config", "configfs", 0, NULL [pid 310] mkdir("./754", 0777 [pid 309] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 3967] <... mount resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] mkdir("./748", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 308] <... mkdir resumed>) = 0 [pid 306] close(3 [pid 3967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... close resumed>) = 0 [pid 3967] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3967] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 ci2-android-6-1/strace-static-x86_64: Process 3968 attached [pid 3967] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rmdir("./694" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3968 [pid 309] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3967] <... unlinkat resumed>) = 0 [pid 3967] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3967] exit_group(0 [pid 306] <... rmdir resumed>) = 0 [pid 3967] <... exit_group resumed>) = ? [pid 3968] set_robust_list(0x55556c898760, 24 [pid 3967] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./737/config" [pid 306] mkdir("./695", 0777 [pid 3968] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3969 attached [pid 3969] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3969] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3969] chdir("./748" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3969 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3968] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3969] <... chdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 3969] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3969] setpgid(0, 0) = 0 [pid 3969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3969] write(3, "1000", 4 [pid 309] rmdir("./737" [pid 307] <... restart_syscall resumed>) = 0 [pid 3968] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3969] <... write resumed>) = 4 [pid 3969] close(3) = 0 [pid 3969] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3968] chdir("./754" [pid 309] <... rmdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3970 [pid 309] mkdir("./738", 0777 [pid 3969] write(1, "executing program\n", 18) = 18 [pid 3969] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3968] <... chdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 executing program [pid 307] umount2("./720", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3968] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3969] mount(NULL, "./config", "configfs", 0, NULL [pid 307] openat(AT_FDCWD, "./720", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3968] <... prctl resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3969] <... mount resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 3969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3968] setpgid(0, 0 [pid 307] fstat(3 [pid 3968] <... setpgid resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3971 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3969] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3969] <... symlinkat resumed>) = 0 [pid 3968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3969] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./720/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3969] <... unlinkat resumed>) = 0 [pid 3968] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3969] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3968] write(3, "1000", 4 [pid 307] newfstatat(AT_FDCWD, "./720/binderfs" [pid 3969] exit_group(0 [pid 3968] <... write resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3969] <... exit_group resumed>) = ? [pid 3969] +++ exited with 0 +++ [pid 3968] close(3 [pid 307] unlink("./720/binderfs"ci2-android-6-1/strace-static-x86_64: Process 3970 attached [pid 3970] set_robust_list(0x55556c898760, 24 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... unlink resumed>) = 0 [pid 3968] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3970] <... set_robust_list resumed>) = 0 [pid 307] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3968] symlink("/dev/binderfs", "./binderfs" [pid 3970] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3970] chdir("./695" [pid 307] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3970] <... chdir resumed>) = 0 [pid 3970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3970] setpgid(0, 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3970] <... setpgid resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./720/config" [pid 3968] <... symlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3968] write(1, "executing program\n", 18 [pid 307] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 3970] <... openat resumed>) = 3 [pid 3968] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3970] write(3, "1000", 4 [pid 307] openat(AT_FDCWD, "./720/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3968] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... openat resumed>) = 4 [pid 3970] <... write resumed>) = 4 [pid 307] fstat(4 [pid 3970] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3970] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 3970] symlink("/dev/binderfs", "./binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3970] <... symlink resumed>) = 0 [pid 3968] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 3970] write(1, "executing program\n", 18 [pid 3968] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3970] <... write resumed>) = 18 [pid 307] close(4 [pid 3970] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... close resumed>) = 0 [pid 3968] <... mount resumed>) = 0 executing program [pid 307] rmdir("./720/config" [pid 3970] <... mkdirat resumed>) = 0 [pid 3968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 3970] mount(NULL, "./config", "configfs", 0, NULL [pid 307] getdents64(3 [pid 3968] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3970] <... mount resumed>) = 0 [pid 3968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] close(3 [pid 3970] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... close resumed>) = 0 [pid 3968] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rmdir("./720" [pid 3968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3970] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3970] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3970] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 3970] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3968] <... mkdirat resumed>) = 0 [pid 307] mkdir("./721", 0777 [pid 3970] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3970] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3968] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3970] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3970] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 3968] <... symlinkat resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3971 attached [pid 3970] exit_group(0 [pid 3971] set_robust_list(0x55556c898760, 24 [pid 3970] <... exit_group resumed>) = ? [pid 3971] <... set_robust_list resumed>) = 0 [pid 3970] +++ exited with 0 +++ [pid 3968] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3971] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3972 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3968] <... unlinkat resumed>) = 0 [pid 3971] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3968] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 3972 attached [pid 3971] chdir("./738" [pid 3968] <... unlinkat resumed>) = 0 [pid 3971] <... chdir resumed>) = 0 [pid 3972] set_robust_list(0x55556c898760, 24 [pid 3971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3968] exit_group(0 [pid 3972] <... set_robust_list resumed>) = 0 [pid 3971] <... prctl resumed>) = 0 [pid 3968] <... exit_group resumed>) = ? [pid 3971] setpgid(0, 0) = 0 [pid 3972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3972] chdir("./721") = 0 [pid 3972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3968] +++ exited with 0 +++ [pid 3972] setpgid(0, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3972] <... setpgid resumed>) = 0 [pid 308] umount2("./748", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3971] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3971] write(3, "1000", 4 [pid 308] openat(AT_FDCWD, "./748", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3971] <... write resumed>) = 4 [pid 3971] close(3 [pid 308] <... openat resumed>) = 3 [pid 3972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3971] <... close resumed>) = 0 [pid 308] fstat(3 [pid 3972] <... openat resumed>) = 3 [pid 3971] symlink("/dev/binderfs", "./binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3972] write(3, "1000", 4 [pid 308] getdents64(3 [pid 3972] <... write resumed>) = 4 [pid 3972] close(3) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3972] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./748/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3971] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3971] write(1, "executing program\n", 18 [pid 308] newfstatat(AT_FDCWD, "./748/binderfs" [pid 3971] <... write resumed>) = 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3971] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] unlink("./748/binderfs" [pid 306] <... restart_syscall resumed>) = 0 [pid 3972] <... symlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3972] write(1, "executing program\n", 18) = 18 [pid 3972] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 306] umount2("./695", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./695", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program executing program [pid 308] newfstatat(AT_FDCWD, "./748/config" [pid 3972] <... mkdirat resumed>) = 0 [pid 3971] <... mkdirat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 3971] mount(NULL, "./config", "configfs", 0, NULL [pid 308] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 3972] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3971] <... mount resumed>) = 0 [pid 308] openat(AT_FDCWD, "./748/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3971] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] getdents64(3 [pid 3972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 4 [pid 3972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] fstat(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3971] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3971] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./695/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 3971] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3972] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3971] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] newfstatat(AT_FDCWD, "./695/binderfs" [pid 308] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] unlink("./695/binderfs" [pid 308] close(4 [pid 3972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3971] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] rmdir("./748/config" [pid 3971] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3972] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3972] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3972] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rmdir resumed>) = 0 [pid 3972] <... unlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 3971] <... symlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3971] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./695/config" [pid 3971] <... unlinkat resumed>) = 0 [pid 308] rmdir("./748" [pid 3971] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3972] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 3971] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] umount2("./695/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./749", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3972] exit_group(0) = ? [pid 3972] +++ exited with 0 +++ [pid 3971] exit_group(0 [pid 308] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./695/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3971] <... exit_group resumed>) = ? [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] fstat(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3971] +++ exited with 0 +++ [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3973 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3973 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(4 [pid 3973] set_robust_list(0x55556c898760, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3973] <... set_robust_list resumed>) = 0 [pid 306] close(4 [pid 3973] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 3973] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./695/config" [pid 3973] chdir("./749") = 0 [pid 3973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rmdir resumed>) = 0 [pid 3973] <... prctl resumed>) = 0 [pid 306] getdents64(3 [pid 3973] setpgid(0, 0) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 3973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./695" [pid 3973] <... openat resumed>) = 3 [pid 3973] write(3, "1000", 4) = 4 [pid 3973] close(3) = 0 [pid 3973] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./696", 0777 [pid 3973] <... symlink resumed>) = 0 [pid 3973] write(1, "executing program\n", 18) = 18 [pid 3973] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 3973] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3973] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./721", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3973] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3973] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] openat(AT_FDCWD, "./721", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./754", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3974 [pid 3973] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./754", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] fstat(3 [pid 307] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3973] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3973] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./721/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./754/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3973] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./754/binderfs" [pid 307] newfstatat(AT_FDCWD, "./721/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3973] exit_group(0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3973] <... exit_group resumed>) = ? [pid 310] unlink("./754/binderfs" [pid 307] unlink("./721/binderfs" [pid 3973] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3974 attached [pid 3974] set_robust_list(0x55556c898760, 24) = 0 [pid 307] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3973, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3974] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 310] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3974] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./754/config" [pid 307] newfstatat(AT_FDCWD, "./721/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3974] chdir("./696" [pid 310] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3974] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./754/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... restart_syscall resumed>) = 0 [pid 307] openat(AT_FDCWD, "./721/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 307] <... openat resumed>) = 4 [pid 3974] <... prctl resumed>) = 0 [pid 307] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./738", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 3974] setpgid(0, 0) = 0 [pid 3974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 3974] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./738", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 309] <... openat resumed>) = 3 [pid 307] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(4 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 310] rmdir("./754/config" [pid 307] <... close resumed>) = 0 [pid 3974] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rmdir("./721/config" [pid 3974] close(3) = 0 [pid 3974] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3974] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./738/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3974] <... write resumed>) = 18 [pid 310] <... close resumed>) = 0 [pid 307] close(3 [pid 310] rmdir("./754" [pid 309] newfstatat(AT_FDCWD, "./738/binderfs" [pid 307] <... close resumed>) = 0 executing program [pid 3974] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./721" [pid 310] mkdir("./755", 0777 [pid 3974] mount(NULL, "./config", "configfs", 0, NULL [pid 309] unlink("./738/binderfs" [pid 3974] <... mount resumed>) = 0 [pid 3974] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 3974] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 307] mkdir("./722", 0777 [pid 3974] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3974] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 3974] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3974] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3974] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3974] exit_group(0) = ? [pid 307] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3974] +++ exited with 0 +++ [pid 309] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./738/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./738/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3975 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3975 [pid 309] rmdir("./738/config") = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 308] umount2("./749", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3976 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3975] set_robust_list(0x55556c898760, 24 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./738" [pid 308] openat(AT_FDCWD, "./749", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 3976 attached [pid 309] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3975] <... set_robust_list resumed>) = 0 [pid 309] mkdir("./739", 0777 [pid 308] fstat(3 [pid 3976] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3975] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3976] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... restart_syscall resumed>) = 0 [pid 3976] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3976] chdir("./722") = 0 [pid 3976] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3976] setpgid(0, 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3977 [pid 308] umount2("./749/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./696", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./749/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./696", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] unlink("./749/binderfs" [pid 306] <... openat resumed>) = 3 [pid 3976] <... setpgid resumed>) = 0 [pid 3976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... unlink resumed>) = 0 [pid 306] fstat(3 [pid 308] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 308] <... umount2 resumed>) = 0 [pid 3976] <... openat resumed>) = 3 [pid 308] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3975] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./696/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./749/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./696/binderfs" [pid 3976] write(3, "1000", 4) = 4 [pid 308] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./696/binderfs" [pid 308] openat(AT_FDCWD, "./749/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3976] close(3) = 0 [pid 3976] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... openat resumed>) = 4 [pid 306] <... unlink resumed>) = 0 [pid 308] fstat(4 [pid 306] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3976] write(1, "executing program\n", 18 [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = 0 [pid 3976] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 306] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./696/config" [pid 308] close(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./696/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./749/config" [pid 3976] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3976] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./696/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 3976] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 4 [pid 308] close(3 [pid 306] fstat(4 [pid 3976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./749" [pid 306] getdents64(4 [pid 3976] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] mkdir("./750", 0777 [pid 306] getdents64(4 [pid 3976] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3976] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3976] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(4 [pid 3976] <... unlinkat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 3976] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3976] <... exit_group resumed>) = ? [pid 306] rmdir("./696/config" [pid 3976] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 3977 attached [pid 3977] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3978 [pid 306] getdents64(3 [pid 3977] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3976, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3 [pid 3977] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 3975] chdir("./755" [pid 306] rmdir("./696" [pid 3977] chdir("./739") = 0 [pid 3977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3977] setpgid(0, 0 [pid 306] <... rmdir resumed>) = 0 [pid 3977] <... setpgid resumed>) = 0 [pid 306] mkdir("./697", 0777 [pid 3977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3977] write(3, "1000", 4 [pid 306] <... mkdir resumed>) = 0 [pid 3977] <... write resumed>) = 4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3977] close(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3977] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3977] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3977] write(1, "executing program\n", 18) = 18 executing program [pid 3977] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3977] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3979 [pid 3977] <... mount resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3975] <... chdir resumed>) = 0 [pid 3975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3977] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3975] <... prctl resumed>) = 0 [pid 3977] <... symlinkat resumed>) = 0 [pid 3975] setpgid(0, 0 [pid 3977] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3975] <... setpgid resumed>) = 0 [pid 3977] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 3975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3977] exit_group(0) = ? [pid 307] umount2("./722", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3977] +++ exited with 0 +++ [pid 3975] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 3978 attached [pid 3975] write(3, "1000", 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3977, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] openat(AT_FDCWD, "./722", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3978] set_robust_list(0x55556c898760, 24 [pid 3975] <... write resumed>) = 4 [pid 307] <... openat resumed>) = 3 [pid 3978] <... set_robust_list resumed>) = 0 [pid 3975] close(3 [pid 307] fstat(3 [pid 3978] rt_sigprocmask(SIG_SETMASK, [] [pid 3975] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3975] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(3 [pid 3978] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3978] chdir("./750") = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./739", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./722/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./739", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./722/binderfs" [pid 309] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 307] unlink("./722/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3978] <... prctl resumed>) = 0 [pid 3978] setpgid(0, 0) = 0 [pid 307] <... unlink resumed>) = 0 [pid 3975] <... symlink resumed>) = 0 [pid 309] getdents64(3 [pid 307] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3975] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = 0 [pid 309] umount2("./739/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3975] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3978] <... openat resumed>) = 3 [pid 3975] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] newfstatat(AT_FDCWD, "./739/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3978] write(3, "1000", 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./722/config" [pid 309] unlink("./739/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3978] <... write resumed>) = 4 [pid 3978] close(3) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3978] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 307] openat(AT_FDCWD, "./722/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 309] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3978] <... symlink resumed>) = 0 [pid 3975] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 3975] mount(NULL, "./config", "configfs", 0, NULL [pid 309] newfstatat(AT_FDCWD, "./739/config" [pid 307] fstat(4 [pid 3978] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 3979 attached [pid 3978] <... write resumed>) = 18 [pid 309] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 3975] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 3979] set_robust_list(0x55556c898760, 24 [pid 3978] mkdirat(AT_FDCWD, "./config", 0777 [pid 3975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] openat(AT_FDCWD, "./739/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 4 [pid 307] getdents64(4 [pid 309] fstat(4 [pid 3975] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] close(4 [pid 309] getdents64(4 [pid 3979] <... set_robust_list resumed>) = 0 [pid 3978] <... mkdirat resumed>) = 0 [pid 3975] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... close resumed>) = 0 [pid 3975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(4 [pid 307] rmdir("./722/config" [pid 3979] rt_sigprocmask(SIG_SETMASK, [] [pid 3978] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3978] <... mount resumed>) = 0 [pid 3979] chdir("./697" [pid 3978] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] close(4 [pid 307] <... rmdir resumed>) = 0 [pid 3979] <... chdir resumed>) = 0 [pid 3978] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3975] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 3979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3978] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3975] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rmdir("./739/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3979] <... prctl resumed>) = 0 [pid 3978] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3979] setpgid(0, 0 [pid 3978] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3979] <... setpgid resumed>) = 0 [pid 3978] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3978] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rmdir resumed>) = 0 [pid 307] close(3 [pid 3975] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 3975] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./722" [pid 309] close(3 [pid 3979] <... openat resumed>) = 3 [pid 3979] write(3, "1000", 4) = 4 [pid 3979] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 3979] <... close resumed>) = 0 [pid 3978] <... symlinkat resumed>) = 0 [pid 3975] <... unlinkat resumed>) = 0 [pid 309] rmdir("./739" [pid 307] mkdir("./723", 0777 [pid 3979] symlink("/dev/binderfs", "./binderfs" [pid 3978] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3979] <... symlink resumed>) = 0 [pid 3978] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 3979] write(1, "executing program\n", 18 executing program [pid 3978] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3975] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] mkdir("./740", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3979] <... write resumed>) = 18 [pid 3978] <... unlinkat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3979] mkdirat(AT_FDCWD, "./config", 0777 [pid 3978] exit_group(0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3979] <... mkdirat resumed>) = 0 [pid 3978] <... exit_group resumed>) = ? [pid 3975] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3980 attached [pid 3979] mount(NULL, "./config", "configfs", 0, NULL [pid 3978] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3980 [pid 3979] <... mount resumed>) = 0 [pid 3975] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 3980] set_robust_list(0x55556c898760, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3979] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3975] <... exit_group resumed>) = ? [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3981 [pid 3979] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3979] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3979] exit_group(0) = ? [pid 3975] +++ exited with 0 +++ [pid 3980] <... set_robust_list resumed>) = 0 [pid 3979] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 3981 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./755", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./755", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3981] set_robust_list(0x55556c898760, 24 [pid 310] <... openat resumed>) = 3 [pid 3981] <... set_robust_list resumed>) = 0 [pid 310] fstat(3 [pid 3981] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3981] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3981] chdir("./740" [pid 310] getdents64(3 [pid 3981] <... chdir resumed>) = 0 [pid 3981] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3981] <... prctl resumed>) = 0 [pid 310] umount2("./755/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3981] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3981] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./755/binderfs" [pid 3981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3981] <... openat resumed>) = 3 [pid 310] unlink("./755/binderfs" [pid 3981] write(3, "1000", 4) = 4 [pid 3981] close(3) = 0 [pid 310] <... unlink resumed>) = 0 [pid 3981] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3980] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 3981] <... symlink resumed>) = 0 [pid 310] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3981] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3981] <... write resumed>) = 18 executing program [pid 310] newfstatat(AT_FDCWD, "./755/config" [pid 3981] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3981] <... mkdirat resumed>) = 0 [pid 3980] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3981] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./755/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 4 [pid 3981] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(4 [pid 3981] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3981] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] getdents64(4 [pid 3981] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3981] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 3981] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3980] chdir("./723" [pid 3981] exit_group(0 [pid 310] close(4 [pid 3981] <... exit_group resumed>) = ? [pid 3981] +++ exited with 0 +++ [pid 3980] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./755/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3981, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3980] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3980] setpgid(0, 0) = 0 [pid 3980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(3 [pid 3980] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3980] write(3, "1000", 4) = 4 [pid 310] close(3 [pid 3980] close(3) = 0 [pid 310] <... close resumed>) = 0 [pid 3980] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./755" [pid 3980] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 3980] write(1, "executing program\n", 18 [pid 310] mkdir("./756", 0777 [pid 3980] <... write resumed>) = 18 executing program [pid 3980] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 3980] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3980] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3980] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3980] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3982 [pid 3980] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 3980] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3980] <... unlinkat resumed>) = 0 [pid 3980] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3980] exit_group(0) = ? [pid 3980] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 3982 attached [pid 308] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3982] set_robust_list(0x55556c898760, 24 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 308] umount2("./750", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3982] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3982] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./750", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./723", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3982] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3982] chdir("./756" [pid 308] fstat(3 [pid 307] openat(AT_FDCWD, "./723", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3982] <... chdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 3982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] getdents64(3 [pid 307] fstat(3 [pid 3982] <... prctl resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3982] setpgid(0, 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 3982] <... setpgid resumed>) = 0 [pid 308] umount2("./750/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./723/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3982] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./750/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 3982] write(3, "1000", 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./723/binderfs" [pid 3982] <... write resumed>) = 4 [pid 308] unlink("./750/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3982] close(3 [pid 307] unlink("./723/binderfs" [pid 3982] <... close resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 3982] symlink("/dev/binderfs", "./binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3982] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 3982] write(1, "executing program\n", 18 [pid 307] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./697", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3982] <... write resumed>) = 18 executing program [pid 309] umount2("./740", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3982] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] newfstatat(AT_FDCWD, "./723/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3982] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3982] mount(NULL, "./config", "configfs", 0, NULL [pid 309] openat(AT_FDCWD, "./740", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./750/config" [pid 307] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./697", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3982] <... mount resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] fstat(3 [pid 308] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./723/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 3982] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 3982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(3 [pid 308] openat(AT_FDCWD, "./750/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(4 [pid 306] fstat(3 [pid 3982] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./740/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3982] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3982] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] newfstatat(AT_FDCWD, "./740/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 306] getdents64(3 [pid 3982] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3982] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] unlink("./740/binderfs" [pid 307] close(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3982] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./697/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3982] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./723/config" [pid 3982] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] close(4 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3982] exit_group(0 [pid 309] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./697/binderfs" [pid 3982] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./750/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3982] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./740/config" [pid 307] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./723" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] unlink("./697/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] mkdir("./724", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./740/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(4 [pid 308] rmdir("./750" [pid 306] <... umount2 resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3983 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 308] mkdir("./751", 0777 [pid 306] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 ci2-android-6-1/strace-static-x86_64: Process 3983 attached [pid 3983] set_robust_list(0x55556c898760, 24) = 0 [pid 3983] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 3983] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] newfstatat(AT_FDCWD, "./697/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./756", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./697/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./756", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./740/config" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./697/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 3983] chdir("./724") = 0 [pid 3983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3983] setpgid(0, 0) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] fstat(3 [pid 309] getdents64(3 [pid 306] fstat(4 [pid 3983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3983] write(3, "1000", 4) = 4 [pid 3983] close(3) = 0 [pid 3983] symlink("/dev/binderfs", "./binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3984 [pid 309] close(3 [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./756/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./740" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./756/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3983] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./741", 0777 [pid 310] unlink("./756/binderfs" [pid 306] <... close resumed>) = 0 [pid 3983] write(1, "executing program\n", 18) = 18 [pid 3983] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 306] rmdir("./697/config" [pid 310] <... unlink resumed>) = 0 [pid 3983] <... mkdirat resumed>) = 0 [pid 310] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 3983] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3983] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3983] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3983] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3985 [pid 310] newfstatat(AT_FDCWD, "./756/config" [pid 306] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./697" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3983] <... mkdirat resumed>) = 0 [pid 3983] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./756/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] mkdir("./698", 0777 [pid 310] <... openat resumed>) = 4 [pid 3983] <... symlinkat resumed>) = 0 [pid 3983] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] fstat(4 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3983] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(4 [pid 3983] exit_group(0) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3986 [pid 310] close(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./756/config" [pid 3983] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3ci2-android-6-1/strace-static-x86_64: Process 3984 attached ) = 0 [pid 310] rmdir("./756" [pid 3984] set_robust_list(0x55556c898760, 24) = 0 [pid 3984] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3984] chdir("./751") = 0 [pid 3984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 3984] <... prctl resumed>) = 0 [pid 310] mkdir("./757", 0777 [pid 3984] setpgid(0, 0) = 0 [pid 3984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 3984] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3984] <... write resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3984] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3984] <... close resumed>) = 0 [pid 3984] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3984] write(1, "executing program\n", 18) = 18 [pid 3984] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3987 executing program [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3985 attached [pid 3984] <... mkdirat resumed>) = 0 [pid 3984] mount(NULL, "./config", "configfs", 0, NULLci2-android-6-1/strace-static-x86_64: Process 3986 attached ) = 0 [pid 3984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3986] set_robust_list(0x55556c898760, 24 [pid 3985] set_robust_list(0x55556c898760, 24 [pid 3984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3986] <... set_robust_list resumed>) = 0 [pid 3985] <... set_robust_list resumed>) = 0 [pid 3984] <... mkdirat resumed>) = 0 [pid 3984] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3984] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3985] rt_sigprocmask(SIG_SETMASK, [] [pid 3984] <... unlinkat resumed>) = 0 [pid 3984] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3985] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3984] <... unlinkat resumed>) = 0 [pid 3984] exit_group(0 [pid 3986] rt_sigprocmask(SIG_SETMASK, [] [pid 3984] <... exit_group resumed>) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 3986] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3985] chdir("./741" [pid 307] umount2("./724", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./724", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./724/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./724/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./724/binderfs") = 0 [pid 307] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 307] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./724/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./724/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 3986] chdir("./698" [pid 3985] <... chdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3986] <... chdir resumed>) = 0 [pid 3985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./724/config") = 0 [pid 3986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3985] <... prctl resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./724" [pid 3986] <... prctl resumed>) = 0 [pid 3985] setpgid(0, 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./725", 0777 [pid 3986] setpgid(0, 0 [pid 3985] <... setpgid resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 3986] <... setpgid resumed>) = 0 [pid 3985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3985] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3988 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3988 attached [pid 3986] <... openat resumed>) = 3 [pid 3985] write(3, "1000", 4 [pid 3984] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 3987 attached [pid 3986] write(3, "1000", 4 [pid 3985] <... write resumed>) = 4 [pid 3987] set_robust_list(0x55556c898760, 24 [pid 3986] <... write resumed>) = 4 [pid 3985] close(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3987] <... set_robust_list resumed>) = 0 [pid 3987] rt_sigprocmask(SIG_SETMASK, [] [pid 3986] close(3 [pid 3985] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3987] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3985] symlink("/dev/binderfs", "./binderfs" [pid 3986] <... close resumed>) = 0 [pid 3987] chdir("./757") = 0 [pid 3987] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3987] setpgid(0, 0) = 0 [pid 3987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3987] write(3, "1000", 4) = 4 [pid 3985] <... symlink resumed>) = 0 executing program [pid 3986] symlink("/dev/binderfs", "./binderfs" [pid 3987] close(3) = 0 [pid 3987] symlink("/dev/binderfs", "./binderfs" [pid 3985] write(1, "executing program\n", 18 [pid 3987] <... symlink resumed>) = 0 [pid 3985] <... write resumed>) = 18 [pid 3986] <... symlink resumed>) = 0 [pid 3987] write(1, "executing program\n", 18 [pid 3985] mkdirat(AT_FDCWD, "./config", 0777 [pid 3986] write(1, "executing program\n", 18 [pid 3987] <... write resumed>) = 18 executing program [pid 3987] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3987] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 3985] <... mkdirat resumed>) = 0 [pid 3986] <... write resumed>) = 18 [pid 3987] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3987] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3986] mkdirat(AT_FDCWD, "./config", 0777 [pid 3985] mount(NULL, "./config", "configfs", 0, NULL [pid 3987] <... symlinkat resumed>) = 0 [pid 3987] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3986] <... mkdirat resumed>) = 0 [pid 3987] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3986] mount(NULL, "./config", "configfs", 0, NULL [pid 3985] <... mount resumed>) = 0 [pid 3987] <... unlinkat resumed>) = 0 [pid 3985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3986] <... mount resumed>) = 0 [pid 3986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3985] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3987] exit_group(0 [pid 3986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3987] <... exit_group resumed>) = ? [pid 3987] +++ exited with 0 +++ [pid 3985] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3987, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3988] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3988] <... set_robust_list resumed>) = 0 [pid 3988] rt_sigprocmask(SIG_SETMASK, [] [pid 3986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3985] <... mkdirat resumed>) = 0 [pid 3988] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3988] chdir("./725") = 0 [pid 3988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3988] setpgid(0, 0) = 0 [pid 3988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3985] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3988] <... openat resumed>) = 3 [pid 3986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3985] <... symlinkat resumed>) = 0 [pid 3988] write(3, "1000", 4) = 4 [pid 3988] close(3) = 0 [pid 3988] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3986] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3985] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3986] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 3988] write(1, "executing program\n", 18 [pid 3985] <... unlinkat resumed>) = 0 [pid 3986] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3985] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3986] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3988] <... write resumed>) = 18 executing program [pid 3988] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3986] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3985] <... unlinkat resumed>) = 0 [pid 3988] mount(NULL, "./config", "configfs", 0, NULL [pid 3986] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3988] <... mount resumed>) = 0 [pid 3985] exit_group(0 [pid 3986] exit_group(0 [pid 3985] <... exit_group resumed>) = ? [pid 3986] <... exit_group resumed>) = ? [pid 3988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3985] +++ exited with 0 +++ [pid 3988] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3988] <... symlinkat resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3988] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3988] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3986] +++ exited with 0 +++ [pid 3988] exit_group(0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3986, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3988] <... exit_group resumed>) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3988] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... restart_syscall resumed>) = 0 [pid 308] umount2("./751", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./751", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 307] umount2("./725", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./725", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 308] umount2("./751/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./725/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./725/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./751/binderfs" [pid 307] unlink("./725/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] umount2("./741", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./751/binderfs" [pid 307] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 309] openat(AT_FDCWD, "./741", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 308] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./725/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./751/config" [pid 307] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./741/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./725/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./741/binderfs" [pid 308] openat(AT_FDCWD, "./751/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./698", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./741/binderfs" [pid 308] fstat(4 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 309] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./698", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 307] close(4 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 307] rmdir("./725/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 310] umount2("./757", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./741/config" [pid 308] close(4 [pid 307] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./757", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./751/config" [pid 307] close(3 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./741/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./725" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] getdents64(3 [pid 309] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] mkdir("./726", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./698/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./757/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 3989 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rmdir("./751" [pid 306] newfstatat(AT_FDCWD, "./698/binderfs" [pid 310] newfstatat(AT_FDCWD, "./757/binderfs" [pid 309] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3989 [pid 3989] set_robust_list(0x55556c898760, 24 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3989] <... set_robust_list resumed>) = 0 [pid 310] unlink("./757/binderfs" [pid 309] close(4 [pid 308] mkdir("./752", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] unlink("./698/binderfs" [pid 3989] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 3989] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./741/config" [pid 306] <... unlink resumed>) = 0 [pid 310] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3989] chdir("./726" [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3989] <... chdir resumed>) = 0 [pid 310] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] newfstatat(AT_FDCWD, "./757/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3989] <... prctl resumed>) = 0 [pid 3989] setpgid(0, 0ci2-android-6-1/strace-static-x86_64: Process 3990 attached ) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3990 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3990] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3990] <... set_robust_list resumed>) = 0 [pid 3989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./698/config" [pid 310] openat(AT_FDCWD, "./757/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./741" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3990] rt_sigprocmask(SIG_SETMASK, [] [pid 3989] <... openat resumed>) = 3 [pid 310] fstat(4 [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./698/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3990] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./742", 0777 [pid 310] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3989] write(3, "1000", 4) = 4 [pid 3989] close(3 [pid 309] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./698/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3990] chdir("./752" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3990] <... chdir resumed>) = 0 [pid 310] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3990] <... prctl resumed>) = 0 [pid 310] close(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3989] <... close resumed>) = 0 [pid 3989] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(4 [pid 310] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3991 attached [pid 3990] setpgid(0, 0 [pid 3989] <... symlink resumed>) = 0 [pid 310] rmdir("./757/config" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3991 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3990] <... setpgid resumed>) = 0 [pid 3989] write(1, "executing program\n", 18) = 18 [pid 310] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(4 [pid 3991] set_robust_list(0x55556c898760, 24 [pid 3990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3991] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 310] close(3 [pid 306] <... close resumed>) = 0 executing program [pid 3990] <... openat resumed>) = 3 [pid 3989] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 306] rmdir("./698/config" [pid 3991] rt_sigprocmask(SIG_SETMASK, [] [pid 3990] write(3, "1000", 4 [pid 3989] <... mkdirat resumed>) = 0 [pid 3989] mount(NULL, "./config", "configfs", 0, NULL [pid 3991] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3990] <... write resumed>) = 4 [pid 310] rmdir("./757" [pid 306] <... rmdir resumed>) = 0 [pid 3990] close(3 [pid 3989] <... mount resumed>) = 0 [pid 3991] chdir("./742" [pid 3990] <... close resumed>) = 0 [pid 3989] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 3991] <... chdir resumed>) = 0 [pid 3990] symlink("/dev/binderfs", "./binderfs" [pid 3989] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3989] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] mkdir("./758", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3991] <... prctl resumed>) = 0 [pid 3990] <... symlink resumed>) = 0 [pid 3989] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3989] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] close(3 [pid 3991] setpgid(0, 0 [pid 3990] write(1, "executing program\n", 18 [pid 3989] <... mkdirat resumed>) = 0 executing program [pid 310] <... mkdir resumed>) = 0 [pid 3991] <... setpgid resumed>) = 0 [pid 3990] <... write resumed>) = 18 [pid 3989] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... close resumed>) = 0 [pid 3991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3990] mkdirat(AT_FDCWD, "./config", 0777 [pid 3989] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3989] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rmdir("./698" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3990] <... mkdirat resumed>) = 0 [pid 3989] <... unlinkat resumed>) = 0 [pid 3989] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3991] <... openat resumed>) = 3 [pid 3990] mount(NULL, "./config", "configfs", 0, NULL [pid 3989] <... unlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rmdir resumed>) = 0 [pid 3991] write(3, "1000", 4 [pid 3990] <... mount resumed>) = 0 [pid 3989] exit_group(0) = ? [pid 306] mkdir("./699", 0777 [pid 3991] <... write resumed>) = 4 [pid 3990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3989] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3992 [pid 306] <... mkdir resumed>) = 0 [pid 3991] close(3 [pid 3990] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 3991] <... close resumed>) = 0 [pid 3990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3991] symlink("/dev/binderfs", "./binderfs" [pid 3990] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 3990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] umount2("./726", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3990] <... mkdirat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./726", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3991] <... symlink resumed>) = 0 [pid 3990] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] getdents64(3 [pid 3991] write(1, "executing program\n", 18 [pid 3990] <... symlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3990] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 307] umount2("./726/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3993 [pid 3991] <... write resumed>) = 18 [pid 3990] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./726/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 3991] mkdirat(AT_FDCWD, "./config", 0777 [pid 3990] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3990] <... unlinkat resumed>) = 0 [pid 307] unlink("./726/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3990] exit_group(0 [pid 307] <... unlink resumed>) = 0 [pid 3991] <... mkdirat resumed>) = 0 [pid 3990] <... exit_group resumed>) = ? [pid 307] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3991] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3993 attached ci2-android-6-1/strace-static-x86_64: Process 3992 attached [pid 3991] <... mount resumed>) = 0 [pid 3990] +++ exited with 0 +++ [pid 307] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3993] set_robust_list(0x55556c898760, 24 [pid 3991] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3993] <... set_robust_list resumed>) = 0 [pid 3991] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3990, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./726/config" [pid 3993] rt_sigprocmask(SIG_SETMASK, [] [pid 3991] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3993] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3991] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3992] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3992] <... set_robust_list resumed>) = 0 [pid 307] openat(AT_FDCWD, "./726/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4 [pid 3992] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 3992] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3991] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./726/config" [pid 3992] chdir("./758" [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./726" [pid 3993] chdir("./699" [pid 3992] <... chdir resumed>) = 0 [pid 3991] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./727", 0777 [pid 3993] <... chdir resumed>) = 0 [pid 3992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3991] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3992] <... prctl resumed>) = 0 [pid 3991] <... symlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 3994 attached [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3994 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3993] <... prctl resumed>) = 0 [pid 3993] setpgid(0, 0) = 0 [pid 3993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3993] write(3, "1000", 4) = 4 [pid 3993] close(3) = 0 [pid 3993] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3992] setpgid(0, 0 [pid 3991] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3994] set_robust_list(0x55556c898760, 24 [pid 3993] write(1, "executing program\n", 18) = 18 executing program [pid 3993] mkdirat(AT_FDCWD, "./config", 0777 [pid 3994] <... set_robust_list resumed>) = 0 [pid 3993] <... mkdirat resumed>) = 0 [pid 3992] <... setpgid resumed>) = 0 [pid 3991] <... unlinkat resumed>) = 0 [pid 3993] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3993] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 3993] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3993] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3992] <... openat resumed>) = 3 [pid 3993] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3992] write(3, "1000", 4 [pid 3991] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3993] exit_group(0) = ? [pid 3994] rt_sigprocmask(SIG_SETMASK, [] [pid 3993] +++ exited with 0 +++ [pid 3992] <... write resumed>) = 4 [pid 3991] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 3994] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3992] close(3 [pid 3991] exit_group(0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3994] chdir("./727" [pid 3992] <... close resumed>) = 0 [pid 3991] <... exit_group resumed>) = ? [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3994] <... chdir resumed>) = 0 [pid 3992] symlink("/dev/binderfs", "./binderfs" [pid 3994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3994] setpgid(0, 0) = 0 [pid 3994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3994] write(3, "1000", 4) = 4 [pid 3991] +++ exited with 0 +++ [pid 3994] close(3) = 0 [pid 3994] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3992] <... symlink resumed>) = 0 executing program executing program [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3991, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3994] write(1, "executing program\n", 18 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3992] write(1, "executing program\n", 18 [pid 3994] <... write resumed>) = 18 [pid 3992] <... write resumed>) = 18 [pid 3994] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3992] mkdirat(AT_FDCWD, "./config", 0777 [pid 3994] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3992] <... mkdirat resumed>) = 0 [pid 3994] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3992] mount(NULL, "./config", "configfs", 0, NULL [pid 3994] <... symlinkat resumed>) = 0 [pid 3994] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3994] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3992] <... mount resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3994] exit_group(0 [pid 3992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3994] <... exit_group resumed>) = ? [pid 3994] +++ exited with 0 +++ [pid 3992] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./752", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... restart_syscall resumed>) = 0 [pid 308] openat(AT_FDCWD, "./752", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3992] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] umount2("./742", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 3992] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./699", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./742", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./699", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3992] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 3 [pid 3992] <... symlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./752/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 3992] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3992] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] newfstatat(AT_FDCWD, "./752/binderfs" [pid 306] getdents64(3 [pid 3992] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./742/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./752/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3992] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./742/binderfs" [pid 306] umount2("./699/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3992] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3992] <... exit_group resumed>) = ? [pid 309] unlink("./742/binderfs" [pid 308] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3992] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./699/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] unlink("./699/binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./727", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 309] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./752/config" [pid 307] openat(AT_FDCWD, "./727", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./742/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 309] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./752/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./742/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./699/config" [pid 308] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 307] umount2("./727/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./699/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./727/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 308] close(4 [pid 306] openat(AT_FDCWD, "./699/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] unlink("./727/binderfs" [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] rmdir("./742/config" [pid 308] rmdir("./752/config" [pid 307] <... unlink resumed>) = 0 [pid 306] fstat(4 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] getdents64(4 [pid 309] close(3 [pid 308] close(3 [pid 307] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./742" [pid 308] rmdir("./752" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./727/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./743", 0777 [pid 308] mkdir("./753", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] openat(AT_FDCWD, "./727/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rmdir("./699/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 3995 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 3995 attached [pid 307] <... openat resumed>) = 4 [pid 3995] set_robust_list(0x55556c898760, 24) = 0 [pid 3995] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 307] fstat(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 3996 [pid 306] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 306] close(3 [pid 3995] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 306] rmdir("./699" [pid 307] <... close resumed>) = 0 [pid 3995] chdir("./753") = 0 [pid 3995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3995] setpgid(0, 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] rmdir("./727/config" [pid 306] mkdir("./700", 0777 [pid 3995] <... setpgid resumed>) = 0 [pid 3995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 3995] <... openat resumed>) = 3 [pid 3995] write(3, "1000", 4) = 4 [pid 3995] close(3 [pid 306] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] close(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... close resumed>) = 0 [pid 3995] <... close resumed>) = 0 [pid 3995] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3995] write(1, "executing program\n", 18) = 18 [pid 3995] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] rmdir("./727") = 0 [pid 3995] <... mkdirat resumed>) = 0 [pid 307] mkdir("./728", 0777 [pid 310] umount2("./758", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 3997 [pid 3995] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3995] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 310] openat(AT_FDCWD, "./758", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3995] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3995] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3995] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3995] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 3998 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./758/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./758/binderfs" [pid 3995] <... symlinkat resumed>) = 0 [pid 3995] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3995] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3995] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3995] <... exit_group resumed>) = ? [pid 310] unlink("./758/binderfs") = 0 [pid 310] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 310] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./758/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./758/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 3995] +++ exited with 0 +++ [pid 310] fstat(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 3996 attached , 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3996] set_robust_list(0x55556c898760, 24 [pid 310] close(4 [pid 3996] <... set_robust_list resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./758/config" [pid 3996] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3996] chdir("./743" [pid 310] <... rmdir resumed>) = 0 [pid 3996] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 3996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 3996] <... prctl resumed>) = 0 [pid 310] close(3 [pid 3996] setpgid(0, 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./758" [pid 3996] <... setpgid resumed>) = 0 [pid 3996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./759", 0777 [pid 3996] <... openat resumed>) = 3 [pid 3996] write(3, "1000", 4) = 4 [pid 3996] close(3) = 0 [pid 3996] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3996] <... symlink resumed>) = 0 [pid 3996] write(1, "executing program\n", 18) = 18 [pid 3996] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 3999 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program ci2-android-6-1/strace-static-x86_64: Process 3998 attached [pid 3996] <... mkdirat resumed>) = 0 [pid 3996] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 3998] set_robust_list(0x55556c898760, 24ci2-android-6-1/strace-static-x86_64: Process 3997 attached [pid 3996] <... mkdirat resumed>) = 0 [pid 3996] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 3998] <... set_robust_list resumed>) = 0 [pid 3996] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3996] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3996] exit_group(0) = ? [pid 3998] rt_sigprocmask(SIG_SETMASK, [] [pid 3997] set_robust_list(0x55556c898760, 24 [pid 3998] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3997] <... set_robust_list resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 3998] chdir("./728" [pid 308] umount2("./753", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./753", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./753/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./753/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./753/binderfs") = 0 [pid 308] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 308] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./753/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./753/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./753/config") = 0 [pid 3998] <... chdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./753" [pid 3998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./754", 0777 [pid 3998] <... prctl resumed>) = 0 [pid 3997] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3998] setpgid(0, 0 [pid 3997] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4000 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 3998] <... setpgid resumed>) = 0 [pid 3998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3996] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 3999 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3999] set_robust_list(0x55556c898760, 24 [pid 3998] <... openat resumed>) = 3 [pid 3999] <... set_robust_list resumed>) = 0 [pid 3999] rt_sigprocmask(SIG_SETMASK, [] [pid 3998] write(3, "1000", 4 [pid 3997] chdir("./700" [pid 3999] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 3999] chdir("./759") = 0 [pid 3999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3999] setpgid(0, 0) = 0 [pid 3999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 4000 attached ) = 3 [pid 3998] <... write resumed>) = 4 [pid 3997] <... chdir resumed>) = 0 [pid 3999] write(3, "1000", 4) = 4 [pid 3999] close(3) = 0 [pid 3998] close(3 [pid 3997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3999] symlink("/dev/binderfs", "./binderfs" [pid 4000] set_robust_list(0x55556c898760, 24 [pid 3999] <... symlink resumed>) = 0 [pid 3998] <... close resumed>) = 0 [pid 3997] <... prctl resumed>) = 0 [pid 3999] write(1, "executing program\n", 18) = 18 executing program [pid 3999] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 3999] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 3999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 3999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 3999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 3999] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3998] symlink("/dev/binderfs", "./binderfs" [pid 3997] setpgid(0, 0 [pid 3999] <... symlinkat resumed>) = 0 [pid 3999] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 3999] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 3998] <... symlink resumed>) = 0 [pid 3997] <... setpgid resumed>) = 0 [pid 3999] exit_group(0) = ? [pid 4000] <... set_robust_list resumed>) = 0 [pid 3999] +++ exited with 0 +++ [pid 3998] write(1, "executing program\n", 18 [pid 3997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 4000] rt_sigprocmask(SIG_SETMASK, [] [pid 3998] <... write resumed>) = 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3999, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3997] <... openat resumed>) = 3 [pid 4000] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4000] chdir("./754" [pid 3998] mkdirat(AT_FDCWD, "./config", 0777 [pid 3997] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 4000] <... chdir resumed>) = 0 [pid 4000] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4000] setpgid(0, 0 [pid 310] umount2("./759", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4000] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] openat(AT_FDCWD, "./759", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4000] <... openat resumed>) = 3 [pid 3997] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 3998] <... mkdirat resumed>) = 0 [pid 310] fstat(3 [pid 3997] close(3 [pid 3998] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4000] write(3, "1000", 4 [pid 3997] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 4000] <... write resumed>) = 4 [pid 4000] close(3) = 0 [pid 4000] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3998] <... mount resumed>) = 0 [pid 3997] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./759/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4000] <... symlink resumed>) = 0 [pid 3997] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 3997] write(1, "executing program\n", 18 [pid 310] newfstatat(AT_FDCWD, "./759/binderfs" [pid 4000] write(1, "executing program\n", 18 [pid 3997] <... write resumed>) = 18 [pid 3998] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 310] unlink("./759/binderfs" [pid 3998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 3997] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 [pid 3998] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4000] <... write resumed>) = 18 [pid 4000] mkdirat(AT_FDCWD, "./config", 0777 [pid 3998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 4000] <... mkdirat resumed>) = 0 [pid 3998] <... mkdirat resumed>) = 0 [pid 310] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 3998] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 3997] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4000] mount(NULL, "./config", "configfs", 0, NULL [pid 310] newfstatat(AT_FDCWD, "./759/config" [pid 4000] <... mount resumed>) = 0 [pid 3998] <... symlinkat resumed>) = 0 [pid 3997] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 3998] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3997] <... mount resumed>) = 0 [pid 4000] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 310] openat(AT_FDCWD, "./759/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3998] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 4000] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 3998] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 3997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./743", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4000] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./743", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 3997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 3998] <... unlinkat resumed>) = 0 [pid 309] fstat(3 [pid 310] close(4 [pid 3997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 3998] exit_group(0 [pid 310] rmdir("./759/config" [pid 309] getdents64(3 [pid 4000] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4000] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 3998] <... exit_group resumed>) = ? [pid 3997] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 4000] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./743/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4000] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3997] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] close(3 [pid 309] newfstatat(AT_FDCWD, "./743/binderfs" [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./759" [pid 309] unlink("./743/binderfs" [pid 4000] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4000] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 3997] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./760", 0777 [pid 309] <... unlink resumed>) = 0 [pid 4000] <... unlinkat resumed>) = 0 [pid 4000] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... mkdir resumed>) = 0 [pid 3997] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4000] <... unlinkat resumed>) = 0 [pid 3998] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4000] exit_group(0 [pid 3997] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4000] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3997] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4000] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 3997] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4001 [pid 309] newfstatat(AT_FDCWD, "./743/config" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 3997] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./743/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3997] <... exit_group resumed>) = ? [pid 307] umount2("./728", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 307] openat(AT_FDCWD, "./728", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 307] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4001 attached [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 307] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4001] set_robust_list(0x55556c898760, 24 [pid 309] close(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./728/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./743/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4001] <... set_robust_list resumed>) = 0 [pid 4001] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./728/binderfs" [pid 309] getdents64(3 [pid 4001] chdir("./760" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 307] unlink("./728/binderfs" [pid 4001] <... chdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4001] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] rmdir("./743" [pid 3997] +++ exited with 0 +++ [pid 307] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4001] setpgid(0, 0) = 0 [pid 4001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 4001] <... openat resumed>) = 3 [pid 309] mkdir("./744", 0777 [pid 307] <... umount2 resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=3997, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4001] write(3, "1000", 4) = 4 [pid 4001] close(3) = 0 [pid 4001] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./728/config" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4001] write(1, "executing program\n", 18 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4001] <... write resumed>) = 18 executing program [pid 4001] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4002 [pid 4001] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4001] <... mount resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./728/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 4001] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] getdents64(4 [pid 4001] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4001] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] getdents64(4 [pid 4001] <... symlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4001] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] close(4 [pid 4001] <... unlinkat resumed>) = 0 [pid 4001] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... close resumed>) = 0 [pid 4001] <... unlinkat resumed>) = 0 [pid 307] rmdir("./728/config" [pid 4001] exit_group(0) = ? [pid 4001] +++ exited with 0 +++ [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(3ci2-android-6-1/strace-static-x86_64: Process 4002 attached ) = 0 [pid 307] rmdir("./728" [pid 4002] set_robust_list(0x55556c898760, 24) = 0 [pid 4002] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./729", 0777 [pid 4002] chdir("./744") = 0 [pid 4002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4002] setpgid(0, 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4002] <... openat resumed>) = 3 [pid 4002] write(3, "1000", 4) = 4 [pid 4002] close(3) = 0 [pid 4002] symlink("/dev/binderfs", "./binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4003 ci2-android-6-1/strace-static-x86_64: Process 4003 attached executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4003] set_robust_list(0x55556c898760, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4003] <... set_robust_list resumed>) = 0 [pid 4002] <... symlink resumed>) = 0 [pid 4003] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4003] chdir("./729" [pid 4002] write(1, "executing program\n", 18 [pid 4003] <... chdir resumed>) = 0 [pid 4002] <... write resumed>) = 18 [pid 4003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4002] mkdirat(AT_FDCWD, "./config", 0777 [pid 4003] <... prctl resumed>) = 0 [pid 4003] setpgid(0, 0) = 0 [pid 4003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4002] <... mkdirat resumed>) = 0 [pid 4002] mount(NULL, "./config", "configfs", 0, NULL [pid 4003] <... openat resumed>) = 3 [pid 4002] <... mount resumed>) = 0 [pid 4003] write(3, "1000", 4 [pid 4002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4003] <... write resumed>) = 4 [pid 4002] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4003] close(3 [pid 4002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4003] <... close resumed>) = 0 [pid 4002] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4003] symlink("/dev/binderfs", "./binderfs" [pid 4002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4003] <... symlink resumed>) = 0 [pid 4003] write(1, "executing program\n", 18 [pid 4002] <... mkdirat resumed>) = 0 [pid 4003] <... write resumed>) = 18 executing program [pid 4003] mkdirat(AT_FDCWD, "./config", 0777 [pid 4002] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4003] <... mkdirat resumed>) = 0 [pid 4003] mount(NULL, "./config", "configfs", 0, NULL [pid 4002] <... symlinkat resumed>) = 0 [pid 4003] <... mount resumed>) = 0 [pid 4002] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4003] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4002] <... unlinkat resumed>) = 0 [pid 4002] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4003] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4002] <... unlinkat resumed>) = 0 [pid 4003] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4002] exit_group(0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4002] <... exit_group resumed>) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 4003] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./754", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4003] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./700", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./754", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 4003] <... mkdirat resumed>) = 0 [pid 4002] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./700", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4003] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4002, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 310] umount2("./760", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 4003] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4003] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./760", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4003] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./754/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4003] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 306] umount2("./700/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] newfstatat(AT_FDCWD, "./754/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4003] <... unlinkat resumed>) = 0 [pid 310] umount2("./760/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./700/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./754/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./760/binderfs" [pid 4003] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] unlink("./700/binderfs" [pid 4003] <... exit_group resumed>) = ? [pid 310] unlink("./760/binderfs" [pid 308] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 310] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./754/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./760/config" [pid 4003] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./700/config" [pid 310] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./744", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./760/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./744", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 306] umount2("./700/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 309] fstat(3 [pid 308] openat(AT_FDCWD, "./754/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./700/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(4 [pid 306] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./744/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./744/binderfs" [pid 308] getdents64(4 [pid 310] rmdir("./760/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 308] close(4) = 0 [pid 308] rmdir("./754/config" [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./744/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./754" [pid 306] close(4 [pid 310] rmdir("./760" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./755", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./744/config" [pid 308] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] mkdir("./761", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./700/config" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4004 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./744/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./729", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4004 attached [pid 4004] set_robust_list(0x55556c898760, 24) = 0 [pid 4004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./729", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4005 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 307] fstat(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./700" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 4004] chdir("./755") = 0 [pid 4004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rmdir resumed>) = 0 [pid 4004] <... prctl resumed>) = 0 [pid 309] close(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] mkdir("./701", 0777 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./729/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4004] setpgid(0, 0) = 0 [pid 4004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... mkdir resumed>) = 0 [pid 309] rmdir("./744/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4004] <... openat resumed>) = 3 [pid 4004] write(3, "1000", 4) = 4 [pid 4004] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./729/binderfs" [pid 309] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(3 [pid 307] unlink("./729/binderfs" [pid 4004] <... close resumed>) = 0 [pid 4004] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4004] write(1, "executing program\n", 18) = 18 [pid 4004] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4006 [pid 309] rmdir("./744" [pid 307] <... umount2 resumed>) = 0 [pid 4004] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./745", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4004] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4004] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... mkdir resumed>) = 0 executing program [pid 307] newfstatat(AT_FDCWD, "./729/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4004] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4004] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4004] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4004] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4007 [pid 307] openat(AT_FDCWD, "./729/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4004] <... symlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 4004] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4004] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4004] <... unlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 4004] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4004] <... exit_group resumed>) = ? [pid 307] close(4ci2-android-6-1/strace-static-x86_64: Process 4007 attached ci2-android-6-1/strace-static-x86_64: Process 4005 attached [pid 4004] +++ exited with 0 +++ [pid 307] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rmdir("./729/config"ci2-android-6-1/strace-static-x86_64: Process 4006 attached [pid 4006] set_robust_list(0x55556c898760, 24) = 0 [pid 4006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4006] chdir("./701" [pid 307] close(3 [pid 4006] <... chdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rmdir("./729" [pid 4006] <... prctl resumed>) = 0 [pid 4006] setpgid(0, 0) = 0 [pid 4006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./730", 0777 [pid 4006] <... openat resumed>) = 3 [pid 4006] write(3, "1000", 4) = 4 [pid 4006] close(3) = 0 [pid 4006] symlink("/dev/binderfs", "./binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4006] <... symlink resumed>) = 0 [pid 4007] set_robust_list(0x55556c898760, 24 [pid 4005] set_robust_list(0x55556c898760, 24ci2-android-6-1/strace-static-x86_64: Process 4008 attached [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4008 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4005] <... set_robust_list resumed>) = 0 [pid 4005] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4005] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4005] chdir("./761") = 0 [pid 4005] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4005] setpgid(0, 0) = 0 [pid 4005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4008] set_robust_list(0x55556c898760, 24 [pid 4005] <... openat resumed>) = 3 [pid 4005] write(3, "1000", 4) = 4 [pid 4005] close(3) = 0 [pid 4005] symlink("/dev/binderfs", "./binderfs" [pid 4008] <... set_robust_list resumed>) = 0 [pid 4005] <... symlink resumed>) = 0 [pid 4005] write(1, "executing program\n", 18) = 18 executing program [pid 4005] mkdirat(AT_FDCWD, "./config", 0777 [pid 4008] rt_sigprocmask(SIG_SETMASK, [] [pid 4005] <... mkdirat resumed>) = 0 [pid 4006] write(1, "executing program\n", 18) = 18 executing program [pid 4006] mkdirat(AT_FDCWD, "./config", 0777 [pid 4008] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4007] <... set_robust_list resumed>) = 0 [pid 4007] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4008] chdir("./730" [pid 308] umount2("./755", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./755", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3 [pid 4006] <... mkdirat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./755/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4008] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] newfstatat(AT_FDCWD, "./755/binderfs" [pid 4008] <... prctl resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4008] setpgid(0, 0 [pid 4006] mount(NULL, "./config", "configfs", 0, NULL [pid 308] unlink("./755/binderfs") = 0 [pid 4008] <... setpgid resumed>) = 0 [pid 308] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4006] <... mount resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4007] chdir("./745" [pid 4006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./755/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4008] <... openat resumed>) = 3 [pid 4006] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4008] write(3, "1000", 4 [pid 4007] <... chdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./755/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4005] mount(NULL, "./config", "configfs", 0, NULL [pid 308] close(4 [pid 4008] <... write resumed>) = 4 [pid 4007] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4005] <... mount resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4008] close(3 [pid 4007] <... prctl resumed>) = 0 [pid 4005] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rmdir("./755/config" [pid 4008] <... close resumed>) = 0 [pid 4007] setpgid(0, 0 [pid 4006] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4005] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 4008] symlink("/dev/binderfs", "./binderfs" [pid 4007] <... setpgid resumed>) = 0 [pid 4005] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(3 [pid 4005] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4005] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] close(3 [pid 4005] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4008] <... symlink resumed>) = 0 [pid 4006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4005] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rmdir("./755" [pid 4008] write(1, "executing program\n", 18 [pid 4007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4006] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4005] <... symlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4005] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 308] mkdir("./756", 0777 [pid 4008] <... write resumed>) = 18 [pid 4007] <... openat resumed>) = 3 [pid 4006] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4005] <... unlinkat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4005] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4008] mkdirat(AT_FDCWD, "./config", 0777 [pid 4007] write(3, "1000", 4 [pid 4006] <... symlinkat resumed>) = 0 [pid 4005] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4005] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4008] <... mkdirat resumed>) = 0 [pid 4007] <... write resumed>) = 4 [pid 4006] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4005] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4009 attached [pid 4008] mount(NULL, "./config", "configfs", 0, NULL [pid 4007] close(3 [pid 4006] <... unlinkat resumed>) = 0 [pid 4005] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4009 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4007] <... close resumed>) = 0 [pid 4006] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4008] <... mount resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4009] set_robust_list(0x55556c898760, 24) = 0 [pid 4006] <... unlinkat resumed>) = 0 [pid 4008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4007] symlink("/dev/binderfs", "./binderfs" [pid 4009] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4009] chdir("./756") = 0 [pid 4009] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4009] setpgid(0, 0) = 0 [pid 4009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4007] <... symlink resumed>) = 0 [pid 4006] exit_group(0 [pid 4008] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4009] <... openat resumed>) = 3 [pid 4006] <... exit_group resumed>) = ? [pid 4008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4007] write(1, "executing program\n", 18 [pid 4009] write(3, "1000", 4) = 4 [pid 4009] close(3 [pid 4006] +++ exited with 0 +++ executing program [pid 4009] <... close resumed>) = 0 [pid 4008] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4007] <... write resumed>) = 18 [pid 4008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4009] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4007] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4006, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4008] <... mkdirat resumed>) = 0 [pid 4009] write(1, "executing program\n", 18) = 18 [pid 4009] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4008] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4007] <... mkdirat resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4009] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4008] <... symlinkat resumed>) = 0 [pid 4007] mount(NULL, "./config", "configfs", 0, NULL [pid 4008] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4007] <... mount resumed>) = 0 [pid 4008] <... unlinkat resumed>) = 0 executing program [pid 4007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4008] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4007] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4009] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4008] <... unlinkat resumed>) = 0 [pid 4007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4009] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4008] exit_group(0 [pid 4007] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4008] <... exit_group resumed>) = ? [pid 4007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4009] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4009] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4008] +++ exited with 0 +++ [pid 4009] <... unlinkat resumed>) = 0 [pid 4007] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4007] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4009] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4009] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4007] <... symlinkat resumed>) = 0 [pid 4009] exit_group(0 [pid 4007] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4009] <... exit_group resumed>) = ? [pid 4009] +++ exited with 0 +++ [pid 4007] <... unlinkat resumed>) = 0 [pid 4007] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4007] <... unlinkat resumed>) = 0 [pid 310] umount2("./761", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4007] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4007] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./761", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 4007] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./761/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4007, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./761/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./761/binderfs") = 0 [pid 310] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 310] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./761/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./761/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./761/config" [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] umount2("./701", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 306] openat(AT_FDCWD, "./701", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 309] umount2("./745", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 310] rmdir("./761" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 309] openat(AT_FDCWD, "./745", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 310] mkdir("./762", 0777 [pid 309] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./701/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] newfstatat(AT_FDCWD, "./701/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./745/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./756", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./701/binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4010 [pid 309] newfstatat(AT_FDCWD, "./745/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... unlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./756", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./745/binderfs" [pid 306] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 4010 attached [pid 4010] set_robust_list(0x55556c898760, 24) = 0 [pid 4010] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 308] fstat(3 [pid 309] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 4010] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4010] chdir("./762" [pid 309] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./745/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] newfstatat(AT_FDCWD, "./701/config" [pid 4010] <... chdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./756/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./745/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./756/binderfs" [pid 306] umount2("./701/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 308] unlink("./756/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4010] setpgid(0, 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] openat(AT_FDCWD, "./701/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 308] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 4010] <... setpgid resumed>) = 0 [pid 4010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4010] write(3, "1000", 4) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4010] close(3 [pid 306] fstat(4 [pid 307] umount2("./730", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4010] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./730", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 4010] symlink("/dev/binderfs", "./binderfs" [pid 307] <... openat resumed>) = 3 [pid 4010] <... symlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./756/config" [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./745/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4010] write(1, "executing program\n", 18 [pid 308] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4010] <... write resumed>) = 18 [pid 309] <... rmdir resumed>) = 0 executing program [pid 307] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4010] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(3 [pid 308] openat(AT_FDCWD, "./756/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(4 [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./730/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4010] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./701/config" [pid 309] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./730/binderfs" [pid 4010] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./745" [pid 307] unlink("./730/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 4010] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 4010] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] close(4 [pid 307] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 309] mkdir("./746", 0777 [pid 308] <... close resumed>) = 0 [pid 4010] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rmdir("./701" [pid 308] rmdir("./756/config" [pid 307] <... umount2 resumed>) = 0 [pid 4010] <... symlinkat resumed>) = 0 [pid 4010] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4010] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 4010] exit_group(0) = ? [pid 308] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./730/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 306] mkdir("./702", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4010] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3 [pid 307] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./730/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 4011 attached [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rmdir("./756" [pid 307] <... openat resumed>) = 4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4011 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4011] set_robust_list(0x55556c898760, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4011] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] mkdir("./757", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4011] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] getdents64(4 [pid 4011] chdir("./746") = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4012 ci2-android-6-1/strace-static-x86_64: Process 4012 attached [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4012] set_robust_list(0x55556c898760, 24 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(4 [pid 4012] <... set_robust_list resumed>) = 0 [pid 4011] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4011] setpgid(0, 0) = 0 [pid 307] <... close resumed>) = 0 [pid 4012] rt_sigprocmask(SIG_SETMASK, [] [pid 4011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4013 [pid 307] rmdir("./730/config"ci2-android-6-1/strace-static-x86_64: Process 4013 attached [pid 4012] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4011] <... openat resumed>) = 3 [pid 4011] write(3, "1000", 4 [pid 307] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 4011] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./762", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 4011] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 4011] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./762", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rmdir("./730" [pid 4012] chdir("./702" [pid 310] <... openat resumed>) = 3 [pid 4011] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 4012] <... chdir resumed>) = 0 [pid 307] mkdir("./731", 0777 [pid 4012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4011] write(1, "executing program\n", 18) = 18 executing program [pid 4011] mkdirat(AT_FDCWD, "./config", 0777 [pid 4012] <... prctl resumed>) = 0 [pid 4011] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 4013] set_robust_list(0x55556c898760, 24 [pid 4012] setpgid(0, 0 [pid 4011] mount(NULL, "./config", "configfs", 0, NULL [pid 4012] <... setpgid resumed>) = 0 [pid 4011] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./762/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./762/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4011] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] unlink("./762/binderfs" [pid 4011] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4014 [pid 4012] <... openat resumed>) = 3 [pid 310] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4012] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4012] <... write resumed>) = 4 [pid 4011] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4012] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4011] <... unlinkat resumed>) = 0 [pid 4012] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./762/config" [pid 4011] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4012] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4011] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4011] exit_group(0 [pid 310] openat(AT_FDCWD, "./762/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4012] <... symlink resumed>) = 0 [pid 4012] write(1, "executing program\n", 18 [pid 4011] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 4 executing program [pid 4013] <... set_robust_list resumed>) = 0 [pid 4012] <... write resumed>) = 18 [pid 4011] +++ exited with 0 +++ [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4014 attached [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4012] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(4 [pid 4014] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4014] <... set_robust_list resumed>) = 0 [pid 310] close(4 [pid 4014] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 4014] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./762/config" [pid 4014] chdir("./731") = 0 [pid 4014] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4014] setpgid(0, 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4012] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 4014] <... openat resumed>) = 3 [pid 4012] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4014] write(3, "1000", 4 [pid 310] close(3 [pid 4014] <... write resumed>) = 4 [pid 4014] close(3) = 0 [pid 310] <... close resumed>) = 0 [pid 4014] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./762" [pid 4012] <... mount resumed>) = 0 [pid 4014] <... symlink resumed>) = 0 [pid 4014] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 [pid 4012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] mkdir("./763", 0777 [pid 4014] <... write resumed>) = 18 [pid 4014] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4012] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 310] <... mkdir resumed>) = 0 [pid 4014] mount(NULL, "./config", "configfs", 0, NULL [pid 4012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4014] <... mount resumed>) = 0 [pid 4012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4014] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4014] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4014] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4015 [pid 4012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4014] <... unlinkat resumed>) = 0 [pid 4012] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4014] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4012] <... symlinkat resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4014] exit_group(0 [pid 4012] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4013] rt_sigprocmask(SIG_SETMASK, [] [pid 4012] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4014] <... exit_group resumed>) = ? [pid 4014] +++ exited with 0 +++ [pid 4013] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4012] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4012] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) ci2-android-6-1/strace-static-x86_64: Process 4015 attached [pid 309] <... restart_syscall resumed>) = 0 [pid 4012] exit_group(0 [pid 4013] chdir("./757" [pid 4015] set_robust_list(0x55556c898760, 24 [pid 4012] <... exit_group resumed>) = ? [pid 4013] <... chdir resumed>) = 0 [pid 309] umount2("./746", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4015] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4015] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./746", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4015] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 4015] chdir("./763" [pid 309] fstat(3 [pid 4015] <... chdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4012] +++ exited with 0 +++ [pid 4015] <... prctl resumed>) = 0 [pid 4013] <... prctl resumed>) = 0 [pid 309] getdents64(3 [pid 4015] setpgid(0, 0 [pid 4013] setpgid(0, 0 [pid 4015] <... setpgid resumed>) = 0 [pid 4013] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./746/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./746/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] unlink("./746/binderfs" [pid 306] umount2("./702", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4013] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4015] <... openat resumed>) = 3 [pid 309] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4015] write(3, "1000", 4 [pid 306] openat(AT_FDCWD, "./702", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4015] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = 0 [pid 4015] close(3 [pid 306] <... openat resumed>) = 3 [pid 309] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4015] <... close resumed>) = 0 [pid 306] fstat(3 [pid 4015] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./746/config" [pid 306] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4015] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./702/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./746/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4015] write(1, "executing program\n", 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 306] newfstatat(AT_FDCWD, "./702/binderfs" [pid 4015] <... write resumed>) = 18 [pid 309] fstat(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] unlink("./702/binderfs" [pid 4015] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(4 [pid 4013] write(3, "1000", 4) = 4 [pid 306] <... unlink resumed>) = 0 [pid 4013] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] close(4 [pid 306] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./746/config" [pid 306] newfstatat(AT_FDCWD, "./702/config" [pid 4013] <... close resumed>) = 0 [pid 4013] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 306] umount2("./702/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 306] openat(AT_FDCWD, "./702/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 4013] write(1, "executing program\n", 18 [pid 309] rmdir("./746" [pid 306] <... openat resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 4013] <... write resumed>) = 18 executing program executing program [pid 4013] mkdirat(AT_FDCWD, "./config", 0777 [pid 4015] <... mkdirat resumed>) = 0 [pid 4013] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] fstat(4 [pid 309] mkdir("./747", 0777 [pid 4013] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4013] <... mount resumed>) = 0 [pid 4013] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4013] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 4015] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./731", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 4015] <... mount resumed>) = 0 [pid 4013] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4013] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4013] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] openat(AT_FDCWD, "./731", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4016 [pid 307] <... openat resumed>) = 3 [pid 306] close(4 [pid 4013] <... symlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(3 [pid 4015] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... close resumed>) = 0 [pid 4013] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./702/config" [pid 4015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4013] <... unlinkat resumed>) = 0 [pid 4013] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4015] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4013] <... unlinkat resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 4013] exit_group(0 [pid 4015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 4013] <... exit_group resumed>) = ? [pid 307] umount2("./731/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 307] newfstatat(AT_FDCWD, "./731/binderfs" [pid 306] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./702" [pid 307] unlink("./731/binderfs" [pid 4015] <... mkdirat resumed>) = 0 [pid 4013] +++ exited with 0 +++ [pid 307] <... unlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4015] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./703", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4013, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4016 attached [pid 4016] set_robust_list(0x55556c898760, 24) = 0 [pid 4016] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4015] <... symlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4015] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] newfstatat(AT_FDCWD, "./731/config" [pid 4016] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4016] chdir("./747") = 0 [pid 4016] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4016] setpgid(0, 0) = 0 [pid 4016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4015] <... unlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4017 [pid 4015] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4016] write(3, "1000", 4 [pid 307] openat(AT_FDCWD, "./731/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4016] <... write resumed>) = 4 [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4016] close(3 [pid 307] getdents64(4 [pid 4015] <... unlinkat resumed>) = 0 [pid 4016] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4016] symlink("/dev/binderfs", "./binderfs" [pid 4015] exit_group(0 [pid 307] getdents64(4 [pid 4016] <... symlink resumed>) = 0 [pid 4015] <... exit_group resumed>) = ? [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4016] write(1, "executing program\n", 18) = 18 [pid 4016] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] close(4 [pid 4016] <... mkdirat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4016] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rmdir("./731/config" [pid 4015] +++ exited with 0 +++ [pid 4016] <... mount resumed>) = 0 [pid 4016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(3 [pid 4016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4016] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] close(3 [pid 4016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... close resumed>) = 0 executing program [pid 4016] <... mkdirat resumed>) = 0 [pid 307] rmdir("./731" [pid 4016] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4016] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4016] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] mkdir("./732", 0777 [pid 4016] <... unlinkat resumed>) = 0 [pid 4016] exit_group(0) = ? [pid 4016] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4016, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4017 attached [pid 4017] set_robust_list(0x55556c898760, 24) = 0 [pid 4017] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4017] chdir("./703" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4018 [pid 308] umount2("./757", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4017] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./757", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 4017] <... prctl resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4017] setpgid(0, 0 [pid 308] getdents64(3 [pid 4017] <... setpgid resumed>) = 0 [pid 4017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4017] <... openat resumed>) = 3 [pid 308] umount2("./757/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4018 attached [pid 308] newfstatat(AT_FDCWD, "./757/binderfs" [pid 4018] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4017] write(3, "1000", 4 [pid 308] unlink("./757/binderfs" [pid 4018] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... unlink resumed>) = 0 [pid 4018] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4018] chdir("./732" [pid 308] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4017] <... write resumed>) = 4 [pid 4017] close(3 [pid 308] <... umount2 resumed>) = 0 [pid 4018] <... chdir resumed>) = 0 [pid 308] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4017] <... close resumed>) = 0 [pid 4018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4017] symlink("/dev/binderfs", "./binderfs" [pid 308] newfstatat(AT_FDCWD, "./757/config" [pid 4018] <... prctl resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4018] setpgid(0, 0 [pid 308] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4018] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./757/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4017] <... symlink resumed>) = 0 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4017] write(1, "executing program\n", 18 [pid 308] getdents64(4 [pid 4018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program executing program [pid 4017] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 4017] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./757/config" [pid 4018] <... openat resumed>) = 3 [pid 4018] write(3, "1000", 4) = 4 [pid 4018] close(3) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4018] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(3 [pid 4018] <... symlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4018] write(1, "executing program\n", 18 [pid 308] close(3 [pid 4018] <... write resumed>) = 18 [pid 308] <... close resumed>) = 0 [pid 4018] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rmdir("./757") = 0 [pid 308] mkdir("./758", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 4017] <... mkdirat resumed>) = 0 [pid 4018] <... mkdirat resumed>) = 0 [pid 4018] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4017] mount(NULL, "./config", "configfs", 0, NULL [pid 4018] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./747", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4017] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./747", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4018] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4018] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4018] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4018] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4019 [pid 309] fstat(3 [pid 4018] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4017] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4018] <... unlinkat resumed>) = 0 [pid 4017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(3 [pid 4018] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4017] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4018] exit_group(0 [pid 309] umount2("./747/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4018] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./747/binderfs" [pid 4018] +++ exited with 0 +++ [pid 4017] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4017] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] unlink("./747/binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4019 attached [pid 4019] set_robust_list(0x55556c898760, 24 [pid 309] <... unlink resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4019] <... set_robust_list resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] umount2("./763", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./747/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./763", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./747/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 310] getdents64(3 [pid 309] fstat(4 [pid 4017] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./763/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 4017] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./763/binderfs" [pid 309] getdents64(4 [pid 4017] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./763/binderfs" [pid 309] close(4 [pid 4019] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 310] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./747/config" [pid 4017] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4019] chdir("./758" [pid 309] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(3 [pid 310] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4019] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./763/config" [pid 309] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 310] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./747" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4019] setpgid(0, 0) = 0 [pid 4019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4017] exit_group(0 [pid 310] openat(AT_FDCWD, "./763/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 4017] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 4 [pid 309] mkdir("./748", 0777 [pid 310] fstat(4 [pid 4019] <... openat resumed>) = 3 [pid 4017] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4019] write(3, "1000", 4 [pid 310] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./732", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 4019] <... write resumed>) = 4 [pid 4019] close(3) = 0 [pid 4019] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4019] write(1, "executing program\n", 18) = 18 [pid 4019] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4020 executing program [pid 310] rmdir("./763/config" [pid 307] openat(AT_FDCWD, "./732", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4019] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 307] fstat(3 [pid 4019] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3 [pid 4019] <... mount resumed>) = 0 [pid 307] getdents64(3 [pid 4019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 4019] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./763" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] umount2("./732/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./764", 0777 [pid 4019] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4019] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4019] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./732/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4019] <... unlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] unlink("./732/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4020 attached [pid 4020] set_robust_list(0x55556c898760, 24) = 0 [pid 4020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4020] chdir("./748") = 0 [pid 4020] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4020] setpgid(0, 0) = 0 [pid 4020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4021 [pid 307] <... unlink resumed>) = 0 [pid 4019] exit_group(0 [pid 4020] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4019] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4020] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = 0 [pid 4020] <... write resumed>) = 4 [pid 307] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4020] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4020] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./732/config" [pid 4020] symlink("/dev/binderfs", "./binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4020] <... symlink resumed>) = 0 [pid 307] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4020] write(1, "executing program\n", 18) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] openat(AT_FDCWD, "./732/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4020] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... openat resumed>) = 4 [pid 4020] <... mkdirat resumed>) = 0 [pid 4019] +++ exited with 0 +++ [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4020] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4020] <... mount resumed>) = 0 [pid 307] getdents64(4 [pid 4020] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4020] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] close(4 [pid 4020] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... close resumed>) = 0 [pid 4020] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rmdir("./732/config" [pid 4020] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4020] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4020] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] close(3 [pid 4020] <... unlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./703", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./732" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4020] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./703", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./733", 0777 [pid 4020] <... unlinkat resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4020] exit_group(0) = ? [pid 4020] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 306] fstat(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4021 attached [pid 4021] set_robust_list(0x55556c898760, 24) = 0 [pid 4021] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4021] chdir("./764") = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4022 [pid 4021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./703/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4021] <... prctl resumed>) = 0 [pid 4021] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./703/binderfs" [pid 4021] <... setpgid resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] unlink("./703/binderfs" [pid 4021] <... openat resumed>) = 3 [pid 4021] write(3, "1000", 4) = 4 [pid 4021] close(3 [pid 306] <... unlink resumed>) = 0 [pid 4021] <... close resumed>) = 0 [pid 306] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4021] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4021] write(1, "executing program\n", 18) = 18 [pid 306] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 4021] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4021] <... mkdirat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./703/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4022 attached [pid 306] umount2("./703/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4022] set_robust_list(0x55556c898760, 24 [pid 306] openat(AT_FDCWD, "./703/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4022] <... set_robust_list resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 4022] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4021] mount(NULL, "./config", "configfs", 0, NULL [pid 306] getdents64(4 [pid 4022] chdir("./733" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 4021] <... mount resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4022] <... chdir resumed>) = 0 [pid 4021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] close(4 [pid 4022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4022] setpgid(0, 0) = 0 [pid 306] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4021] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rmdir("./703/config" [pid 4022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 4022] write(3, "1000", 4 [pid 306] getdents64(3 [pid 4021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./748", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 309] openat(AT_FDCWD, "./748", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4022] <... write resumed>) = 4 [pid 4022] close(3 [pid 306] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] rmdir("./703" [pid 4021] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(3 [pid 4022] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] mkdir("./704", 0777 [pid 4022] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(3 [pid 4022] <... symlink resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./748/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./748/binderfs" [pid 4022] write(1, "executing program\n", 18) = 18 executing program [pid 4022] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4021] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4021] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] unlink("./748/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4023 [pid 4022] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4021] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4021] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] newfstatat(AT_FDCWD, "./748/config" [pid 4021] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4022] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4021] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] openat(AT_FDCWD, "./748/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... restart_syscall resumed>) = 0 [pid 4021] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(4 [pid 4022] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4021] exit_group(0 [pid 309] getdents64(4 [pid 308] umount2("./758", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4022] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 4021] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./758", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 4021] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] rmdir("./748/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(3 [pid 4022] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4022] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rmdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 4022] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 309] close(3 [pid 4022] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 4022] <... exit_group resumed>) = ? [pid 308] umount2("./758/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./748" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4022] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./758/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4023 attached , {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./749", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] unlink("./758/binderfs" [pid 4023] set_robust_list(0x55556c898760, 24) = 0 [pid 4023] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4023] chdir("./704" [pid 308] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4023] <... chdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = 0 [pid 4023] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4023] setpgid(0, 0) = 0 [pid 4023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4023] write(3, "1000", 4) = 4 [pid 4023] close(3 [pid 308] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4024 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4023] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4023] symlink("/dev/binderfs", "./binderfs" [pid 308] newfstatat(AT_FDCWD, "./758/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./733", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./733", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./758/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4023] <... symlink resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 3 [pid 308] fstat(4 [pid 307] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 307] getdents64(3 [pid 4023] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(4 [pid 307] umount2("./733/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 307] newfstatat(AT_FDCWD, "./733/binderfs" [pid 308] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rmdir("./758/config" [pid 307] unlink("./733/binderfs" [pid 4023] <... write resumed>) = 18 executing program [pid 4023] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 307] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4023] mount(NULL, "./config", "configfs", 0, NULL [pid 308] close(3 [pid 307] <... umount2 resumed>) = 0 [pid 4023] <... mount resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rmdir("./758" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 4023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] newfstatat(AT_FDCWD, "./733/config" [pid 308] mkdir("./759", 0777 [pid 4023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4024 attached [pid 4024] set_robust_list(0x55556c898760, 24) = 0 [pid 4024] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./733/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4024] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 4 [pid 4024] chdir("./749") = 0 [pid 4024] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4024] setpgid(0, 0) = 0 [pid 4024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] fstat(4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4025 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 4024] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4024] write(3, "1000", 4 [pid 307] close(4 [pid 4023] <... mkdirat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4023] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rmdir("./733/config" [pid 4024] <... write resumed>) = 4 [pid 4024] close(3) = 0 [pid 4024] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4023] <... symlinkat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4024] write(1, "executing program\n", 18 [pid 4023] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] getdents64(3 [pid 4024] <... write resumed>) = 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4024] mkdirat(AT_FDCWD, "./config", 0777 [pid 4023] <... unlinkat resumed>) = 0 executing program [pid 307] close(3 [pid 4024] <... mkdirat resumed>) = 0 [pid 4023] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./733" [pid 4024] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./734", 0777 [pid 4024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 4025 attached [pid 4025] set_robust_list(0x55556c898760, 24 [pid 307] <... mkdir resumed>) = 0 [pid 310] umount2("./764", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4023] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./764", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4024] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 4024] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4024] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] fstat(3 [pid 4024] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4026 [pid 4023] exit_group(0 [pid 310] getdents64(3 [pid 4024] <... unlinkat resumed>) = 0 [pid 4023] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./764/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4024] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./764/binderfs" [pid 4024] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4023] +++ exited with 0 +++ [pid 310] unlink("./764/binderfs" [pid 4024] +++ exited with 0 +++ [pid 4025] <... set_robust_list resumed>) = 0 [pid 4025] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4025] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./764/config" [pid 4025] chdir("./759" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4025] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] openat(AT_FDCWD, "./764/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4025] <... prctl resumed>) = 0 [pid 4025] setpgid(0, 0) = 0 [pid 4025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 4 [pid 4025] <... openat resumed>) = 3 [pid 310] fstat(4 [pid 4025] write(3, "1000", 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4025] <... write resumed>) = 4 [pid 310] getdents64(4 [pid 4025] close(3) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4025] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(4 [pid 4025] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4025] write(1, "executing program\n", 18 [pid 310] close(4 [pid 4025] <... write resumed>) = 18 [pid 4025] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 executing program [pid 4025] <... mkdirat resumed>) = 0 [pid 310] rmdir("./764/config" [pid 4025] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4025] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 4025] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 4025] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] close(3 [pid 4025] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4025] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 4025] <... mkdirat resumed>) = 0 [pid 310] rmdir("./764" [pid 4025] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4025] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4025] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./749", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./765", 0777 [pid 4025] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4025] exit_group(0) = ? [pid 4025] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./749", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4026 attached [pid 4026] set_robust_list(0x55556c898760, 24) = 0 [pid 4026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4027 [pid 309] getdents64(3 [pid 4026] chdir("./734" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4026] <... chdir resumed>) = 0 [pid 4026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./749/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4026] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4026] setpgid(0, 0 [pid 309] newfstatat(AT_FDCWD, "./749/binderfs" [pid 4026] <... setpgid resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] unlink("./749/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4027 attached [pid 4027] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4027] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./749/config" [pid 4027] chdir("./765" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4026] <... openat resumed>) = 3 [pid 309] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4027] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4026] write(3, "1000", 4 [pid 309] openat(AT_FDCWD, "./749/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4027] <... prctl resumed>) = 0 [pid 4027] setpgid(0, 0) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 4026] <... write resumed>) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 4026] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4026] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 308] umount2("./759", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4026] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 308] openat(AT_FDCWD, "./759", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] rmdir("./749/config" [pid 308] fstat(3 [pid 4027] <... openat resumed>) = 3 [pid 4027] write(3, "1000", 4) = 4 [pid 4027] close(3) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4027] symlink("/dev/binderfs", "./binderfs" [pid 309] close(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./759/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./749" [pid 4026] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4027] <... symlink resumed>) = 0 [pid 4026] write(1, "executing program\n", 18 [pid 309] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./759/binderfs" [pid 306] <... restart_syscall resumed>) = 0 [pid 4026] <... write resumed>) = 18 [pid 309] mkdir("./750", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4027] write(1, "executing program\n", 18) = 18 [pid 4027] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4027] mount(NULL, "./config", "configfs", 0, NULL [pid 308] unlink("./759/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./704", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4026] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./704", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = 0 [pid 4027] <... mount resumed>) = 0 [pid 4027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4028 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 4027] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./759/config" [pid 306] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./704/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./759/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./704/binderfs" [pid 4027] <... symlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(4 [pid 306] unlink("./704/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4027] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] getdents64(4 [pid 306] <... unlink resumed>) = 0 [pid 4027] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4026] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4026] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(4 executing program executing program [pid 4027] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4026] <... mount resumed>) = 0 [pid 308] close(4 [pid 306] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./759/config" [pid 4026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] newfstatat(AT_FDCWD, "./704/config" [pid 4027] <... exit_group resumed>) = ? [pid 4027] +++ exited with 0 +++ [pid 4026] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4028 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 306] umount2("./704/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4028] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 306] openat(AT_FDCWD, "./704/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 308] rmdir("./759" [pid 4026] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] fstat(4 [pid 4028] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4028] chdir("./750" [pid 4026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] mkdir("./760", 0777 [pid 306] getdents64(4 [pid 4028] <... chdir resumed>) = 0 [pid 4028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4028] setpgid(0, 0) = 0 [pid 4028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(4 [pid 4028] <... openat resumed>) = 3 [pid 4028] write(3, "1000", 4) = 4 [pid 4028] close(3) = 0 [pid 4028] symlink("/dev/binderfs", "./binderfs" [pid 306] <... close resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4029 [pid 306] rmdir("./704/config" [pid 4028] <... symlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4028] write(1, "executing program\n", 18) = 18 [pid 4028] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4026] <... mkdirat resumed>) = 0 [pid 306] getdents64(3 executing program [pid 4026] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4028] <... mkdirat resumed>) = 0 [pid 4026] <... symlinkat resumed>) = 0 [pid 306] close(3 [pid 4028] mount(NULL, "./config", "configfs", 0, NULL [pid 4026] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... close resumed>) = 0 [pid 4028] <... mount resumed>) = 0 [pid 4026] <... unlinkat resumed>) = 0 [pid 306] rmdir("./704" [pid 4028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 4026] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] mkdir("./705", 0777 [pid 4028] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4028] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4028] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4028] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4028] exit_group(0) = ? [pid 4028] +++ exited with 0 +++ [pid 4026] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4028, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4026] exit_group(0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4026] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4029 attached [pid 4029] set_robust_list(0x55556c898760, 24) = 0 [pid 4029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4029] chdir("./760") = 0 [pid 4029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4030 [pid 4029] setpgid(0, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4029] <... setpgid resumed>) = 0 [pid 4029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4029] write(3, "1000", 4 [pid 4026] +++ exited with 0 +++ [pid 4029] <... write resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4029] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4029] <... close resumed>) = 0 [pid 4029] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4029] write(1, "executing program\n", 18) = 18 executing program [pid 4029] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4029] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 4029] <... mkdirat resumed>) = 0 [pid 4029] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./765", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4029] <... symlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./765", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4029] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./734", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 307] openat(AT_FDCWD, "./734", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 307] fstat(3 [pid 4029] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./765/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4029] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./765/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... restart_syscall resumed>) = 0 [pid 4029] <... unlinkat resumed>) = 0 [pid 4029] exit_group(0) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./734/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./765/binderfs" [pid 309] umount2("./750", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./734/binderfs" [pid 310] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./750", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] unlink("./734/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 309] fstat(3 [pid 307] <... unlink resumed>) = 0 [pid 310] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 4029] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = 0 [pid 309] umount2("./750/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] newfstatat(AT_FDCWD, "./765/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./750/binderfs" [pid 310] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./734/config" [pid 310] openat(AT_FDCWD, "./765/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./750/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4030 attached [pid 309] <... unlink resumed>) = 0 [pid 310] fstat(4 [pid 307] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = 0 [pid 307] openat(AT_FDCWD, "./734/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./750/config" [pid 310] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./765/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 4030] set_robust_list(0x55556c898760, 24) = 0 [pid 4030] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 309] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./750/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 307] close(4 [pid 310] rmdir("./765" [pid 309] <... openat resumed>) = 4 [pid 307] <... close resumed>) = 0 [pid 4030] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4030] chdir("./705") = 0 [pid 4030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 307] rmdir("./734/config" [pid 310] mkdir("./766", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4030] <... prctl resumed>) = 0 [pid 4030] setpgid(0, 0) = 0 [pid 4030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 4030] <... openat resumed>) = 3 [pid 4030] write(3, "1000", 4) = 4 [pid 4030] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 307] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(4 [pid 308] umount2("./760", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 4030] <... close resumed>) = 0 [pid 4030] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4030] write(1, "executing program\n", 18) = 18 executing program [pid 4030] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4031 [pid 309] rmdir("./750/config" [pid 308] openat(AT_FDCWD, "./760", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rmdir("./734" [pid 4030] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 3 [pid 4030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 4030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4030] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 307] mkdir("./735", 0777 [pid 309] close(3 [pid 4030] <... symlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4030] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4030] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] rmdir("./750" [pid 308] umount2("./760/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... mkdir resumed>) = 0 [pid 4030] exit_group(0) = ? [pid 4030] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 4031 attached [pid 308] newfstatat(AT_FDCWD, "./760/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] mkdir("./751", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4031] set_robust_list(0x55556c898760, 24) = 0 [pid 4031] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 4031] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] unlink("./760/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./705", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4031] chdir("./766" [pid 308] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4031] <... chdir resumed>) = 0 [pid 4031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4031] setpgid(0, 0) = 0 [pid 4031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] openat(AT_FDCWD, "./705", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4032 [pid 306] <... openat resumed>) = 3 [pid 4031] write(3, "1000", 4) = 4 [pid 4031] close(3) = 0 [pid 4031] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] fstat(3 [pid 4031] write(1, "executing program\n", 18 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4033 [pid 308] <... umount2 resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4031] <... write resumed>) = 18 [pid 308] newfstatat(AT_FDCWD, "./760/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 4031] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./705/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./760/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./705/binderfs" [pid 308] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4033 attached [pid 4031] <... mkdirat resumed>) = 0 [pid 308] fstat(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4031] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] unlink("./705/binderfs" [pid 308] getdents64(4 [pid 4031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... unlink resumed>) = 0 [pid 4031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 4031] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 308] close(4 [pid 306] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./760/config" [pid 306] newfstatat(AT_FDCWD, "./705/config"ci2-android-6-1/strace-static-x86_64: Process 4032 attached [pid 4033] set_robust_list(0x55556c898760, 24 [pid 4031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 306] umount2("./705/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4031] <... mkdirat resumed>) = 0 [pid 308] close(3 [pid 306] openat(AT_FDCWD, "./705/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 308] rmdir("./760" [pid 306] fstat(4 [pid 4031] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] mkdir("./761", 0777 [pid 306] getdents64(4 [pid 4031] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4031] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(4 [pid 4031] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 4031] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4034 attached [pid 4031] +++ exited with 0 +++ [pid 306] rmdir("./705/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4034 [pid 4032] set_robust_list(0x55556c898760, 24 [pid 306] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4034] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 4034] <... set_robust_list resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4034] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(3 [pid 4034] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4034] chdir("./761" [pid 306] <... close resumed>) = 0 [pid 4034] <... chdir resumed>) = 0 [pid 306] rmdir("./705" [pid 4033] <... set_robust_list resumed>) = 0 [pid 4032] <... set_robust_list resumed>) = 0 [pid 4034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4033] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 4034] <... prctl resumed>) = 0 [pid 306] mkdir("./706", 0777 [pid 4034] setpgid(0, 0 [pid 4032] rt_sigprocmask(SIG_SETMASK, [] [pid 4033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4034] <... setpgid resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./766", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4034] <... openat resumed>) = 3 [pid 4033] chdir("./751" [pid 4032] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4034] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./766", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4033] <... chdir resumed>) = 0 [pid 4032] chdir("./735" [pid 4033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4032] <... chdir resumed>) = 0 [pid 4033] <... prctl resumed>) = 0 [pid 4032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4034] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4035 ci2-android-6-1/strace-static-x86_64: Process 4035 attached [pid 4034] close(3 [pid 310] fstat(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4034] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4035] set_robust_list(0x55556c898760, 24 [pid 4034] symlink("/dev/binderfs", "./binderfs" [pid 4033] setpgid(0, 0 [pid 4032] <... prctl resumed>) = 0 [pid 310] getdents64(3 [pid 4035] <... set_robust_list resumed>) = 0 [pid 4034] <... symlink resumed>) = 0 [pid 4034] write(1, "executing program\n", 18 [pid 4033] <... setpgid resumed>) = 0 [pid 4032] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4035] rt_sigprocmask(SIG_SETMASK, [] [pid 4034] <... write resumed>) = 18 [pid 310] umount2("./766/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4035] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4034] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 310] newfstatat(AT_FDCWD, "./766/binderfs" [pid 4033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4032] <... setpgid resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4034] <... mkdirat resumed>) = 0 [pid 310] unlink("./766/binderfs" [pid 4035] chdir("./706" [pid 4034] mount(NULL, "./config", "configfs", 0, NULL [pid 4035] <... chdir resumed>) = 0 [pid 4034] <... mount resumed>) = 0 [pid 4033] <... openat resumed>) = 3 [pid 4032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 4035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4035] <... prctl resumed>) = 0 [pid 310] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4035] setpgid(0, 0 [pid 4034] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4035] <... setpgid resumed>) = 0 [pid 4034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4033] write(3, "1000", 4 [pid 4032] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 4034] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4033] <... write resumed>) = 4 [pid 4032] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./766/config" [pid 4035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4034] <... mkdirat resumed>) = 0 [pid 4034] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4035] <... openat resumed>) = 3 [pid 4034] <... symlinkat resumed>) = 0 [pid 4033] close(3 [pid 4032] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4035] write(3, "1000", 4 [pid 4034] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4035] <... write resumed>) = 4 [pid 4034] <... unlinkat resumed>) = 0 [pid 4033] <... close resumed>) = 0 [pid 4032] close(3 [pid 310] openat(AT_FDCWD, "./766/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4035] close(3 [pid 4034] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4035] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 4035] symlink("/dev/binderfs", "./binderfs" [pid 4034] <... unlinkat resumed>) = 0 [pid 4033] symlink("/dev/binderfs", "./binderfs" [pid 4032] <... close resumed>) = 0 [pid 310] fstat(4 [pid 4035] <... symlink resumed>) = 0 [pid 4034] exit_group(0 [pid 4033] <... symlink resumed>) = 0 executing program [pid 4032] symlink("/dev/binderfs", "./binderfs" [pid 4035] write(1, "executing program\n", 18 [pid 4034] <... exit_group resumed>) = ? [pid 4033] write(1, "executing program\n", 18 [pid 4032] <... symlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4033] <... write resumed>) = 18 [pid 4032] write(1, "executing program\n", 18 executing program executing program [pid 4033] mkdirat(AT_FDCWD, "./config", 0777 [pid 4032] <... write resumed>) = 18 [pid 310] getdents64(4 [pid 4035] <... write resumed>) = 18 [pid 4034] +++ exited with 0 +++ [pid 4033] <... mkdirat resumed>) = 0 [pid 4032] mkdirat(AT_FDCWD, "./config", 0777 [pid 4035] mkdirat(AT_FDCWD, "./config", 0777 [pid 4033] mount(NULL, "./config", "configfs", 0, NULL [pid 4032] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4035] <... mkdirat resumed>) = 0 [pid 4033] <... mount resumed>) = 0 [pid 4032] mount(NULL, "./config", "configfs", 0, NULL [pid 4035] mount(NULL, "./config", "configfs", 0, NULL [pid 4033] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4032] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4035] <... mount resumed>) = 0 [pid 4033] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4033] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4032] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4035] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4033] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4033] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4032] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 308] <... restart_syscall resumed>) = 0 [pid 4035] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4033] <... mkdirat resumed>) = 0 [pid 4032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4033] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4032] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 4035] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4033] <... symlinkat resumed>) = 0 [pid 4032] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4035] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4033] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4032] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./766/config" [pid 4035] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4033] <... unlinkat resumed>) = 0 [pid 4032] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4033] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4032] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4035] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4033] <... unlinkat resumed>) = 0 [pid 4032] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 308] umount2("./761", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4035] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4033] exit_group(0 [pid 4032] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] getdents64(3 [pid 4035] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4033] <... exit_group resumed>) = ? [pid 4032] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4035] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4033] +++ exited with 0 +++ [pid 4032] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4035] exit_group(0 [pid 4032] +++ exited with 0 +++ [pid 310] close(3 [pid 308] openat(AT_FDCWD, "./761", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4035] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... openat resumed>) = 3 [pid 310] rmdir("./766" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] fstat(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4035] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] mkdir("./767", 0777 [pid 308] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] umount2("./751", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./751", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] umount2("./761/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./735", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 4036 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4036 [pid 309] umount2("./751/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./761/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4036] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4036] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./751/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./735", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4036] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./761/binderfs" [pid 4036] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./751/binderfs" [pid 307] <... openat resumed>) = 3 [pid 4036] chdir("./767" [pid 309] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4036] <... chdir resumed>) = 0 [pid 309] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 4036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4036] <... prctl resumed>) = 0 [pid 309] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4036] setpgid(0, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 4036] <... setpgid resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./751/config" [pid 307] getdents64(3 [pid 4036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4036] <... openat resumed>) = 3 [pid 309] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4036] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4036] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./751/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./735/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4036] close(3 [pid 309] <... openat resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./761/config" [pid 4036] <... close resumed>) = 0 [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4036] symlink("/dev/binderfs", "./binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./735/binderfs" [pid 4036] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4036] write(1, "executing program\n", 18 [pid 309] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4036] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4036] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(4 [pid 307] unlink("./735/binderfs" [pid 309] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./761/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./751/config" [pid 307] <... unlink resumed>) = 0 [pid 4036] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4036] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(3 [pid 308] fstat(4 [pid 4036] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4036] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4036] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 307] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4036] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rmdir("./751" [pid 308] getdents64(4 [pid 4036] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4036] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] mkdir("./752", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4036] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./735/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4036] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4036] <... symlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4037 attached [pid 4036] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 4037] set_robust_list(0x55556c898760, 24 [pid 4036] <... unlinkat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4037 [pid 308] close(4 [pid 4037] <... set_robust_list resumed>) = 0 [pid 4036] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./735/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4037] rt_sigprocmask(SIG_SETMASK, [] [pid 4036] <... unlinkat resumed>) = 0 [pid 308] rmdir("./761/config" [pid 4037] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4036] exit_group(0 [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./706", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4037] chdir("./752" [pid 308] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] fstat(4 [pid 4036] <... exit_group resumed>) = ? [pid 306] openat(AT_FDCWD, "./706", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4037] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 308] close(3 [pid 307] getdents64(4 [pid 306] fstat(3 [pid 308] <... close resumed>) = 0 [pid 4037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rmdir("./761" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4037] <... prctl resumed>) = 0 [pid 4037] setpgid(0, 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 306] getdents64(3 [pid 308] mkdir("./762", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4037] <... setpgid resumed>) = 0 [pid 4037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 307] close(4 [pid 306] umount2("./706/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4036] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4036, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./735/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4037] write(3, "1000", 4 [pid 307] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./706/binderfs" [pid 307] getdents64(3 [pid 4037] <... write resumed>) = 4 [pid 4037] close(3) = 0 [pid 4037] symlink("/dev/binderfs", "./binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4038 attached [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4038 [pid 307] close(3 [pid 306] unlink("./706/binderfs" [pid 4038] set_robust_list(0x55556c898760, 24 [pid 4037] <... symlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4038] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./735" [pid 306] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 4037] write(1, "executing program\n", 18) = 18 [pid 307] <... rmdir resumed>) = 0 [pid 4037] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] mkdir("./736", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 4038] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4037] <... mkdirat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4038] chdir("./762" [pid 306] newfstatat(AT_FDCWD, "./706/config" [pid 4038] <... chdir resumed>) = 0 [pid 4037] mount(NULL, "./config", "configfs", 0, NULL [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4037] <... mount resumed>) = 0 [pid 4037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-6-1/strace-static-x86_64: Process 4039 attached [pid 4038] <... prctl resumed>) = 0 [pid 4037] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./706/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4038] setpgid(0, 0 [pid 4037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4039 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4039] set_robust_list(0x55556c898760, 24 [pid 4038] <... setpgid resumed>) = 0 [pid 4039] <... set_robust_list resumed>) = 0 [pid 4038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4037] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./706/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4038] <... openat resumed>) = 3 [pid 4037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... openat resumed>) = 4 [pid 4039] rt_sigprocmask(SIG_SETMASK, [] [pid 4038] write(3, "1000", 4 [pid 4039] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(4 [pid 4039] chdir("./736" [pid 4038] <... write resumed>) = 4 [pid 4037] <... mkdirat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4038] close(3 [pid 306] getdents64(4 [pid 4038] <... close resumed>) = 0 [pid 4039] <... chdir resumed>) = 0 [pid 4038] symlink("/dev/binderfs", "./binderfs" [pid 4037] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4038] <... symlink resumed>) = 0 [pid 4037] <... symlinkat resumed>) = 0 [pid 4039] <... prctl resumed>) = 0 [pid 4038] write(1, "executing program\n", 18 [pid 4037] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] getdents64(4 [pid 4039] setpgid(0, 0 [pid 4038] <... write resumed>) = 18 executing program [pid 4037] <... unlinkat resumed>) = 0 [pid 4038] mkdirat(AT_FDCWD, "./config", 0777 [pid 4037] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4039] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4037] <... unlinkat resumed>) = 0 [pid 4038] <... mkdirat resumed>) = 0 [pid 4039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4037] exit_group(0 [pid 306] close(4 [pid 4039] <... openat resumed>) = 3 [pid 4038] mount(NULL, "./config", "configfs", 0, NULL [pid 4037] <... exit_group resumed>) = ? [pid 4039] write(3, "1000", 4 [pid 4038] <... mount resumed>) = 0 [pid 4037] +++ exited with 0 +++ [pid 306] <... close resumed>) = 0 [pid 4039] <... write resumed>) = 4 [pid 4038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./706/config" [pid 4039] close(3 [pid 4038] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4039] <... close resumed>) = 0 [pid 4039] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4039] write(1, "executing program\n", 18 [pid 4038] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 306] getdents64(3 [pid 4039] <... write resumed>) = 18 [pid 4038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./767", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4039] mkdirat(AT_FDCWD, "./config", 0777 [pid 4038] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./752", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4039] <... mkdirat resumed>) = 0 [pid 4038] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./767", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4039] mount(NULL, "./config", "configfs", 0, NULL [pid 4038] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./752", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 4039] <... mount resumed>) = 0 [pid 4038] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(3 [pid 309] <... openat resumed>) = 3 [pid 4039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4038] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 306] <... close resumed>) = 0 [pid 4039] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4038] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4038] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 306] rmdir("./706" [pid 4039] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4038] exit_group(0 [pid 310] umount2("./767/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./752/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4039] <... mkdirat resumed>) = 0 [pid 4038] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 4039] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] newfstatat(AT_FDCWD, "./767/binderfs" [pid 309] newfstatat(AT_FDCWD, "./752/binderfs" [pid 4039] <... symlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] mkdir("./707", 0777 [pid 4039] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4038] +++ exited with 0 +++ [pid 310] unlink("./767/binderfs" [pid 309] unlink("./752/binderfs" [pid 4039] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4039] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4039] <... unlinkat resumed>) = 0 [pid 310] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4039] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4039] <... exit_group resumed>) = ? [pid 310] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4039] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./752/config" [pid 308] umount2("./762", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4040 attached [pid 310] newfstatat(AT_FDCWD, "./767/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4040] set_robust_list(0x55556c898760, 24 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./752/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4040 [pid 4040] <... set_robust_list resumed>) = 0 [pid 310] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./762", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4040] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./767/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 4040] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4040] chdir("./707" [pid 310] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(3 [pid 4040] <... chdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 4040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4040] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] close(4 [pid 4040] setpgid(0, 0 [pid 310] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 307] umount2("./736", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4040] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./752/config" [pid 4040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] umount2("./762/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4040] <... openat resumed>) = 3 [pid 310] rmdir("./767/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./736", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4040] write(3, "1000", 4 [pid 309] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4040] <... write resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 4040] close(3 [pid 310] getdents64(3 [pid 309] rmdir("./752" [pid 308] newfstatat(AT_FDCWD, "./762/binderfs" [pid 4040] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] fstat(3 [pid 4040] symlink("/dev/binderfs", "./binderfs" [pid 310] close(3 [pid 309] mkdir("./753", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4040] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4040] write(1, "executing program\n", 18 [pid 310] rmdir("./767" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] unlink("./762/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4041 attached [pid 4040] <... write resumed>) = 18 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4041] set_robust_list(0x55556c898760, 24 [pid 4040] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] mkdir("./768", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4041 [pid 308] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./736/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./736/binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4041] <... set_robust_list resumed>) = 0 [pid 4041] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./762/config" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4042 [pid 307] unlink("./736/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4041] chdir("./753" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4042 attached [pid 4040] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4040] mount(NULL, "./config", "configfs", 0, NULL [pid 4042] set_robust_list(0x55556c898760, 24 [pid 4041] <... chdir resumed>) = 0 [pid 4040] <... mount resumed>) = 0 [pid 308] openat(AT_FDCWD, "./762/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = 0 [pid 4042] <... set_robust_list resumed>) = 0 [pid 4040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4040] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(4 [pid 4040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4040] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4042] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./736/config" [pid 4042] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4042] chdir("./768" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4040] <... mkdirat resumed>) = 0 [pid 4042] <... chdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4041] <... prctl resumed>) = 0 [pid 4040] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4042] <... prctl resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4041] setpgid(0, 0 [pid 308] close(4 [pid 307] openat(AT_FDCWD, "./736/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4041] <... setpgid resumed>) = 0 [pid 4041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4040] <... symlinkat resumed>) = 0 [pid 4041] write(3, "1000", 4) = 4 [pid 4041] close(3) = 0 [pid 4041] symlink("/dev/binderfs", "./binderfs" [pid 307] <... openat resumed>) = 4 [pid 4042] setpgid(0, 0 [pid 4040] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... close resumed>) = 0 [pid 4042] <... setpgid resumed>) = 0 [pid 307] fstat(4 [pid 4040] <... unlinkat resumed>) = 0 [pid 308] rmdir("./762/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4040] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4041] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 4041] write(1, "executing program\n", 18 [pid 4040] <... unlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 4042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4041] <... write resumed>) = 18 [pid 4040] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 4041] mkdirat(AT_FDCWD, "./config", 0777 [pid 4040] <... exit_group resumed>) = ? [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4042] <... openat resumed>) = 3 [pid 4041] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] close(4 [pid 4041] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4040] +++ exited with 0 +++ [pid 308] rmdir("./762" [pid 4042] write(3, "1000", 4 [pid 307] <... close resumed>) = 0 [pid 4041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4042] <... write resumed>) = 4 [pid 4041] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./736/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4042] close(3 [pid 4041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] mkdir("./763", 0777 [pid 4042] <... close resumed>) = 0 [pid 4041] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4041] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4042] symlink("/dev/binderfs", "./binderfs" [pid 4041] <... symlinkat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 4041] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4042] <... symlink resumed>) = 0 [pid 4041] <... unlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4042] write(1, "executing program\n", 18 executing program [pid 4041] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4042] <... write resumed>) = 18 [pid 4041] <... unlinkat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] close(3 [pid 4042] mkdirat(AT_FDCWD, "./config", 0777 [pid 4041] exit_group(0) = ? [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... close resumed>) = 0 [pid 4042] <... mkdirat resumed>) = 0 [pid 4041] +++ exited with 0 +++ [pid 307] rmdir("./736" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./753", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./753", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4043 attached [pid 4042] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4043 [pid 307] <... rmdir resumed>) = 0 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4043] set_robust_list(0x55556c898760, 24 [pid 4042] <... mount resumed>) = 0 [pid 309] getdents64(3 [pid 307] mkdir("./737", 0777 [pid 4043] <... set_robust_list resumed>) = 0 [pid 4042] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./753/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 4042] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./753/binderfs" [pid 4043] rt_sigprocmask(SIG_SETMASK, [] [pid 4042] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4043] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4042] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./753/binderfs" [pid 4043] chdir("./763" [pid 4042] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4042] <... mkdirat resumed>) = 0 [pid 309] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4043] <... chdir resumed>) = 0 [pid 4042] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./753/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4042] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4043] <... prctl resumed>) = 0 [pid 4042] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] openat(AT_FDCWD, "./753/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4044 [pid 4043] setpgid(0, 0 [pid 4042] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4043] <... setpgid resumed>) = 0 [pid 4042] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4042] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4042] exit_group(0 [pid 309] getdents64(4 [pid 4043] <... openat resumed>) = 3 [pid 4042] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./753/config" [pid 4043] write(3, "1000", 4 [pid 4042] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 4043] <... write resumed>) = 4 [pid 309] getdents64(3 [pid 4043] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4043] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] close(3 [pid 306] umount2("./707", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4043] symlink("/dev/binderfs", "./binderfs" [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./753" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4043] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4043] write(1, "executing program\n", 18 executing program [pid 309] mkdir("./754", 0777 [pid 306] openat(AT_FDCWD, "./707", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4043] <... write resumed>) = 18 [pid 309] <... mkdir resumed>) = 0 [pid 4043] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4045 attached [pid 4043] <... mkdirat resumed>) = 0 [pid 4045] set_robust_list(0x55556c898760, 24 [pid 4043] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4045 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4045] <... set_robust_list resumed>) = 0 [pid 4043] <... mount resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4045] rt_sigprocmask(SIG_SETMASK, [] [pid 4043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 4045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4043] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 4044 attached [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./707/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4043] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4045] chdir("./754" [pid 306] newfstatat(AT_FDCWD, "./707/binderfs" [pid 4043] <... mkdirat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4045] <... chdir resumed>) = 0 [pid 4043] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] unlink("./707/binderfs" [pid 4044] set_robust_list(0x55556c898760, 24 [pid 306] <... unlink resumed>) = 0 [pid 4045] <... prctl resumed>) = 0 [pid 4043] <... symlinkat resumed>) = 0 [pid 306] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4045] setpgid(0, 0 [pid 4043] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4045] <... setpgid resumed>) = 0 [pid 4043] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4043] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] newfstatat(AT_FDCWD, "./707/config" [pid 4045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./707/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4043] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4044] <... set_robust_list resumed>) = 0 [pid 4043] exit_group(0 [pid 306] openat(AT_FDCWD, "./707/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4045] <... openat resumed>) = 3 [pid 4043] <... exit_group resumed>) = ? [pid 4045] write(3, "1000", 4 [pid 306] <... openat resumed>) = 4 [pid 4044] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(4 [pid 4044] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4045] <... write resumed>) = 4 [pid 4044] chdir("./737" [pid 4043] +++ exited with 0 +++ [pid 306] getdents64(4 [pid 4045] close(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4045] <... close resumed>) = 0 [pid 4044] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4045] symlink("/dev/binderfs", "./binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 306] getdents64(4 [pid 308] umount2("./763", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./768", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./763", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./768", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 4045] <... symlink resumed>) = 0 [pid 4044] <... prctl resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 306] rmdir("./707/config" [pid 4045] write(1, "executing program\n", 18 [pid 310] fstat(3 [pid 308] fstat(3 [pid 4044] setpgid(0, 0 [pid 4045] <... write resumed>) = 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4045] mkdirat(AT_FDCWD, "./config", 0777 [pid 4044] <... setpgid resumed>) = 0 [pid 310] getdents64(3 [pid 4044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 310] umount2("./768/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4044] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4045] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./768/binderfs" [pid 308] umount2("./763/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 4045] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./768/binderfs" [pid 308] newfstatat(AT_FDCWD, "./763/binderfs" [pid 306] <... close resumed>) = 0 [pid 4045] <... mount resumed>) = 0 [pid 4045] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4044] write(3, "1000", 4 [pid 310] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./707" [pid 4045] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4044] <... write resumed>) = 4 [pid 310] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./763/binderfs" [pid 4045] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 4044] close(3 [pid 308] <... unlink resumed>) = 0 [pid 4045] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4044] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] mkdir("./708", 0777 [pid 4045] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4044] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4044] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 executing program [pid 4044] write(1, "executing program\n", 18 [pid 310] newfstatat(AT_FDCWD, "./768/config" [pid 308] <... umount2 resumed>) = 0 [pid 4045] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4045] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4044] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4045] <... symlinkat resumed>) = 0 [pid 4044] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4045] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4044] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./763/config" [pid 4045] <... unlinkat resumed>) = 0 [pid 4044] mount(NULL, "./config", "configfs", 0, NULL [pid 310] openat(AT_FDCWD, "./768/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4044] <... mount resumed>) = 0 [pid 4044] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-6-1/strace-static-x86_64: Process 4046 attached [pid 4045] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4044] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4046] set_robust_list(0x55556c898760, 24 [pid 4045] <... unlinkat resumed>) = 0 [pid 4044] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(4 [pid 308] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4046 [pid 4046] <... set_robust_list resumed>) = 0 [pid 4045] exit_group(0 [pid 4044] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4046] rt_sigprocmask(SIG_SETMASK, [] [pid 4045] <... exit_group resumed>) = ? [pid 4044] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4046] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4044] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./763/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4044] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4046] chdir("./708" [pid 4045] +++ exited with 0 +++ [pid 4044] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 4 [pid 4046] <... chdir resumed>) = 0 [pid 4044] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] close(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4044] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] fstat(4 [pid 4046] <... prctl resumed>) = 0 [pid 4044] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./768/config" [pid 4046] setpgid(0, 0 [pid 4044] <... unlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4044] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 4046] <... setpgid resumed>) = 0 [pid 4044] <... exit_group resumed>) = ? [pid 308] getdents64(4 [pid 4046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4044] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 4046] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4046] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4046] <... write resumed>) = 4 [pid 308] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] close(3 [pid 4046] close(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4046] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] close(4 [pid 4046] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./768" [pid 308] <... close resumed>) = 0 [pid 4046] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] rmdir("./763/config" [pid 4046] write(1, "executing program\n", 18) = 18 [pid 310] mkdir("./769", 0777 [pid 308] <... rmdir resumed>) = 0 executing program [pid 4046] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] getdents64(3 [pid 4046] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4046] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3 [pid 4046] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 4046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rmdir("./763" [pid 4046] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 4047 attached ) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4047 [pid 308] <... rmdir resumed>) = 0 [pid 4047] set_robust_list(0x55556c898760, 24 [pid 4046] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./764", 0777 [pid 4047] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4046] <... symlinkat resumed>) = 0 [pid 4046] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... mkdir resumed>) = 0 [pid 4047] rt_sigprocmask(SIG_SETMASK, [] [pid 4046] <... unlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4047] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4046] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4047] chdir("./769" [pid 4046] <... unlinkat resumed>) = 0 [pid 4046] exit_group(0) = ? [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4048 [pid 4047] <... chdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4048 attached [pid 4047] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4046] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./737", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4048] set_robust_list(0x55556c898760, 24 [pid 4047] <... prctl resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4048] <... set_robust_list resumed>) = 0 [pid 4047] setpgid(0, 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4047] <... setpgid resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] openat(AT_FDCWD, "./737", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4048] rt_sigprocmask(SIG_SETMASK, [] [pid 4047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... openat resumed>) = 3 [pid 4048] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4047] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 4048] chdir("./764" [pid 4047] write(3, "1000", 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4048] <... chdir resumed>) = 0 [pid 4047] <... write resumed>) = 4 [pid 4048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] getdents64(3 [pid 4047] close(3 [pid 4048] <... prctl resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4047] <... close resumed>) = 0 [pid 4048] setpgid(0, 0 [pid 307] umount2("./737/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4048] <... setpgid resumed>) = 0 [pid 4047] symlink("/dev/binderfs", "./binderfs" [pid 4048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./737/binderfs" [pid 4047] <... symlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4047] write(1, "executing program\n", 18 [pid 307] unlink("./737/binderfs" [pid 4048] <... openat resumed>) = 3 [pid 4047] <... write resumed>) = 18 executing program [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4048] write(3, "1000", 4 [pid 4047] mkdirat(AT_FDCWD, "./config", 0777 [pid 4048] <... write resumed>) = 4 [pid 307] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./754", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 4048] close(3 [pid 4047] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 4048] <... close resumed>) = 0 [pid 4047] mount(NULL, "./config", "configfs", 0, NULL [pid 309] openat(AT_FDCWD, "./754", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4047] <... mount resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4048] symlink("/dev/binderfs", "./binderfs" [pid 4047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] fstat(3 [pid 4047] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4048] <... symlink resumed>) = 0 [pid 4047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(3 [pid 306] umount2("./708", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4048] write(1, "executing program\n", 18 [pid 4047] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] newfstatat(AT_FDCWD, "./737/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] umount2("./754/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4048] <... write resumed>) = 18 [pid 4047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./708", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4047] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./754/binderfs" [pid 307] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4048] mkdirat(AT_FDCWD, "./config", 0777 [pid 4047] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 4047] <... symlinkat resumed>) = 0 [pid 309] unlink("./754/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4048] <... mkdirat resumed>) = 0 [pid 4047] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... unlink resumed>) = 0 [pid 306] fstat(3 [pid 307] openat(AT_FDCWD, "./737/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4048] mount(NULL, "./config", "configfs", 0, NULL [pid 4047] <... unlinkat resumed>) = 0 [pid 309] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4048] <... mount resumed>) = 0 [pid 4047] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 4048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4047] <... unlinkat resumed>) = 0 [pid 309] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 307] fstat(4 [pid 4048] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4047] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4047] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./754/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 306] umount2("./708/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./754/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 307] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./708/binderfs" [pid 4048] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4047] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] close(4 [pid 4048] <... mkdirat resumed>) = 0 [pid 310] umount2("./769", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 306] unlink("./708/binderfs" [pid 4048] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./769", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 307] rmdir("./737/config" [pid 306] <... unlink resumed>) = 0 [pid 4048] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./754/config" [pid 4048] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4048] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 4048] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4048] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4048] exit_group(0 [pid 310] umount2("./769/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 307] close(3 [pid 4048] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./754" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4048] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./769/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./755", 0777 [pid 306] newfstatat(AT_FDCWD, "./708/config" [pid 310] unlink("./769/binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./737" [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./708/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4049 attached [pid 310] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./738", 0777 [pid 4049] set_robust_list(0x55556c898760, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4049 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4049] <... set_robust_list resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./769/config" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./708/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4049] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4049] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 310] openat(AT_FDCWD, "./769/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] fstat(4 [pid 4049] chdir("./755") = 0 [pid 310] <... openat resumed>) = 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] fstat(4 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4050 attached [pid 4049] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4050 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4050] set_robust_list(0x55556c898760, 24 [pid 4049] setpgid(0, 0 [pid 310] getdents64(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(4 [pid 4050] <... set_robust_list resumed>) = 0 [pid 4049] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 4049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4050] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(4 [pid 306] rmdir("./708/config" [pid 4050] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4049] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4050] chdir("./738" [pid 4049] write(3, "1000", 4 [pid 310] close(4 [pid 306] getdents64(3 [pid 4050] <... chdir resumed>) = 0 [pid 4049] <... write resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4049] close(3 [pid 310] rmdir("./769/config" [pid 306] close(3 [pid 4050] <... prctl resumed>) = 0 [pid 4049] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4050] setpgid(0, 0 [pid 4049] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 306] rmdir("./708" [pid 4050] <... setpgid resumed>) = 0 [pid 4049] <... symlink resumed>) = 0 [pid 310] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 4050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4049] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 306] mkdir("./709", 0777 [pid 4050] <... openat resumed>) = 3 [pid 4049] <... write resumed>) = 18 [pid 310] close(3 [pid 306] <... mkdir resumed>) = 0 [pid 4050] write(3, "1000", 4 [pid 4049] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./769" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4051 attached [pid 4050] <... write resumed>) = 4 [pid 4049] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4051] set_robust_list(0x55556c898760, 24 [pid 4050] close(3 [pid 4049] mount(NULL, "./config", "configfs", 0, NULL [pid 310] mkdir("./770", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4051 [pid 4051] <... set_robust_list resumed>) = 0 [pid 4050] <... close resumed>) = 0 [pid 4049] <... mount resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 4051] rt_sigprocmask(SIG_SETMASK, [] [pid 4050] symlink("/dev/binderfs", "./binderfs" [pid 4049] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... restart_syscall resumed>) = 0 [pid 4051] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4049] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4051] chdir("./709" [pid 308] umount2("./764", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4052 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4051] <... chdir resumed>) = 0 [pid 4051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4049] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./764", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4052 attached [pid 4050] <... symlink resumed>) = 0 [pid 4049] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4050] write(1, "executing program\n", 18 [pid 308] <... openat resumed>) = 3 [pid 4052] set_robust_list(0x55556c898760, 24 executing program [pid 4051] <... prctl resumed>) = 0 [pid 4050] <... write resumed>) = 18 [pid 4049] <... symlinkat resumed>) = 0 [pid 308] fstat(3 [pid 4052] <... set_robust_list resumed>) = 0 [pid 4051] setpgid(0, 0 [pid 4050] mkdirat(AT_FDCWD, "./config", 0777 [pid 4049] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4052] rt_sigprocmask(SIG_SETMASK, [] [pid 4051] <... setpgid resumed>) = 0 [pid 4051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4050] <... mkdirat resumed>) = 0 [pid 4051] <... openat resumed>) = 3 [pid 4050] mount(NULL, "./config", "configfs", 0, NULL [pid 4049] <... unlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 4052] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4051] write(3, "1000", 4 [pid 4050] <... mount resumed>) = 0 [pid 4049] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4052] chdir("./770" [pid 4051] <... write resumed>) = 4 [pid 4050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4052] <... chdir resumed>) = 0 [pid 4051] close(3 [pid 4050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4049] <... unlinkat resumed>) = 0 [pid 308] umount2("./764/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4051] <... close resumed>) = 0 [pid 4050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4049] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4052] <... prctl resumed>) = 0 [pid 4051] symlink("/dev/binderfs", "./binderfs" [pid 4050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4049] <... exit_group resumed>) = ? [pid 4051] <... symlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./764/binderfs" executing program [pid 4051] write(1, "executing program\n", 18 [pid 4052] setpgid(0, 0 [pid 4051] <... write resumed>) = 18 [pid 4050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4049] +++ exited with 0 +++ [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4052] <... setpgid resumed>) = 0 [pid 4051] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4050] <... mkdirat resumed>) = 0 [pid 4052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4051] <... mkdirat resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] unlink("./764/binderfs" [pid 4052] <... openat resumed>) = 3 [pid 4051] mount(NULL, "./config", "configfs", 0, NULL [pid 4050] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4052] write(3, "1000", 4 [pid 4051] <... mount resumed>) = 0 [pid 4050] <... symlinkat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4052] <... write resumed>) = 4 [pid 4051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4050] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4052] close(3) = 0 [pid 4051] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4050] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4052] symlink("/dev/binderfs", "./binderfs" [pid 4050] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4050] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4052] <... symlink resumed>) = 0 [pid 4052] write(1, "executing program\n", 18 executing program [pid 4051] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4050] exit_group(0 [pid 308] newfstatat(AT_FDCWD, "./764/config" [pid 4052] <... write resumed>) = 18 [pid 4050] <... exit_group resumed>) = ? [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4051] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4050] +++ exited with 0 +++ [pid 4052] mkdirat(AT_FDCWD, "./config", 0777 [pid 4051] <... symlinkat resumed>) = 0 [pid 308] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4051] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4051] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] openat(AT_FDCWD, "./764/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4052] <... mkdirat resumed>) = 0 [pid 4051] <... unlinkat resumed>) = 0 [pid 4052] mount(NULL, "./config", "configfs", 0, NULL [pid 4051] exit_group(0 [pid 308] <... openat resumed>) = 4 [pid 4052] <... mount resumed>) = 0 [pid 4051] <... exit_group resumed>) = ? [pid 4052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4051] +++ exited with 0 +++ [pid 308] fstat(4 [pid 4052] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(4 [pid 4052] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] getdents64(4 [pid 306] umount2("./709", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 306] openat(AT_FDCWD, "./709", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4052] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4052] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rmdir("./764/config" [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4052] <... symlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./709/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4052] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4052] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./709/binderfs" [pid 4052] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4052] <... unlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] unlink("./709/binderfs" [pid 4052] exit_group(0 [pid 308] rmdir("./764" [pid 306] <... unlink resumed>) = 0 [pid 4052] <... exit_group resumed>) = ? [pid 306] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 308] mkdir("./765", 0777 [pid 306] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./709/config" [pid 308] <... mkdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./709/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4052] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./709/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4ci2-android-6-1/strace-static-x86_64: Process 4053 attached [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4053 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4053] set_robust_list(0x55556c898760, 24 [pid 309] umount2("./755", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(4 [pid 4053] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4053] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./755", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(4 [pid 4053] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4053] chdir("./765" [pid 309] fstat(3 [pid 306] close(4 [pid 4053] <... chdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 4053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rmdir("./709/config" [pid 4053] <... prctl resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rmdir resumed>) = 0 [pid 4053] setpgid(0, 0 [pid 309] umount2("./755/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 4053] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./738", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] newfstatat(AT_FDCWD, "./755/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 4053] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./738", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 4053] write(3, "1000", 4 [pid 309] unlink("./755/binderfs" [pid 307] <... openat resumed>) = 3 [pid 306] rmdir("./709" [pid 4053] <... write resumed>) = 4 [pid 309] <... unlink resumed>) = 0 [pid 307] fstat(3 [pid 306] <... rmdir resumed>) = 0 [pid 4053] close(3 [pid 309] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] mkdir("./710", 0777 [pid 4053] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... mkdir resumed>) = 0 [pid 4053] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4053] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./738/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4053] write(1, "executing program\n", 18 executing program [pid 309] newfstatat(AT_FDCWD, "./755/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4054 attached [pid 4053] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./738/binderfs" [pid 4054] set_robust_list(0x55556c898760, 24 [pid 4053] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4054 [pid 4054] <... set_robust_list resumed>) = 0 [pid 4053] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./738/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4054] rt_sigprocmask(SIG_SETMASK, [] [pid 4053] mount(NULL, "./config", "configfs", 0, NULL [pid 309] openat(AT_FDCWD, "./755/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4054] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4053] <... mount resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] <... unlink resumed>) = 0 [pid 4054] chdir("./710" [pid 4053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./770", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 307] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4054] <... chdir resumed>) = 0 [pid 4053] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./770", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = 0 [pid 4054] <... prctl resumed>) = 0 [pid 4053] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4054] setpgid(0, 0 [pid 4053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(3 [pid 309] getdents64(4 [pid 307] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4054] <... setpgid resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4053] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 4054] <... openat resumed>) = 3 [pid 4053] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./770/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./755/config" [pid 307] newfstatat(AT_FDCWD, "./738/config" [pid 4054] write(3, "1000", 4 [pid 4053] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 4054] <... write resumed>) = 4 [pid 4053] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./770/binderfs" [pid 309] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4054] close(3 [pid 4053] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4054] <... close resumed>) = 0 [pid 4053] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] unlink("./770/binderfs" [pid 309] close(3 [pid 307] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4054] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4053] <... unlinkat resumed>) = 0 [pid 310] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./755" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4054] <... symlink resumed>) = 0 [pid 4053] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./738/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4054] write(1, "executing program\n", 18 [pid 4053] <... exit_group resumed>) = ? [pid 310] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 309] mkdir("./756", 0777 [pid 4054] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 4053] +++ exited with 0 +++ [pid 4054] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./770/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4055 attached [pid 4054] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4055] set_robust_list(0x55556c898760, 24 [pid 4054] mount(NULL, "./config", "configfs", 0, NULL [pid 310] openat(AT_FDCWD, "./770/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4055 [pid 307] getdents64(4 [pid 4055] <... set_robust_list resumed>) = 0 [pid 4054] <... mount resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4055] rt_sigprocmask(SIG_SETMASK, [] [pid 4054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] fstat(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4055] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4054] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4055] chdir("./756" [pid 4054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(4 [pid 307] getdents64(4 [pid 4054] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4055] <... chdir resumed>) = 0 [pid 4054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 4055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] close(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 307] <... close resumed>) = 0 [pid 4055] <... prctl resumed>) = 0 [pid 4054] <... mkdirat resumed>) = 0 [pid 4055] setpgid(0, 0 [pid 310] <... close resumed>) = 0 [pid 307] rmdir("./738/config" [pid 4054] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4055] <... setpgid resumed>) = 0 [pid 310] rmdir("./770/config" [pid 4054] <... symlinkat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4054] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4054] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 4055] <... openat resumed>) = 3 [pid 4054] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 4055] write(3, "1000", 4 [pid 4054] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4055] <... write resumed>) = 4 [pid 4054] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4055] close(3 [pid 4054] <... exit_group resumed>) = ? [pid 307] close(3 [pid 4055] <... close resumed>) = 0 [pid 4054] +++ exited with 0 +++ [pid 310] close(3 [pid 4055] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rmdir("./770" [pid 307] rmdir("./738" [pid 306] umount2("./710", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./771", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./710", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3 [pid 310] <... mkdir resumed>) = 0 [pid 307] mkdir("./739", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./710/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4055] <... symlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./710/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./710/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4056 attached [pid 4055] write(1, "executing program\n", 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... unlink resumed>) = 0 executing program [pid 4056] set_robust_list(0x55556c898760, 24 [pid 4055] <... write resumed>) = 18 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4056 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4056] <... set_robust_list resumed>) = 0 [pid 4055] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4057 [pid 306] newfstatat(AT_FDCWD, "./710/config" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./710/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4056] rt_sigprocmask(SIG_SETMASK, [] [pid 4055] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4056] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4055] mount(NULL, "./config", "configfs", 0, NULL [pid 306] openat(AT_FDCWD, "./710/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4056] chdir("./771" [pid 4055] <... mount resumed>) = 0 [pid 308] umount2("./765", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 4056] <... chdir resumed>) = 0 [pid 4055] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 4056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4055] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./765", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4056] <... prctl resumed>) = 0 [pid 4055] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 4056] setpgid(0, 0 [pid 4055] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4056] <... setpgid resumed>) = 0 [pid 4055] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(4 [pid 4056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4055] <... mkdirat resumed>) = 0 [pid 308] umount2("./765/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4055] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./710/config" [pid 4056] <... openat resumed>) = 3 [pid 4055] <... symlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./765/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 4056] write(3, "1000", 4 [pid 4055] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 4056] <... write resumed>) = 4 [pid 4055] <... unlinkat resumed>) = 0 [pid 308] unlink("./765/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4056] close(3 [pid 4055] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... unlink resumed>) = 0 [pid 306] close(3 [pid 4056] <... close resumed>) = 0 [pid 4055] <... unlinkat resumed>) = 0 [pid 308] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4055] exit_group(0 [pid 308] <... umount2 resumed>) = 0 [pid 306] rmdir("./710" [pid 4056] symlink("/dev/binderfs", "./binderfs" [pid 4055] <... exit_group resumed>) = ? [pid 308] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./711", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./765/config" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4055] +++ exited with 0 +++ [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4057 attached [pid 4056] <... symlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4058 attached [pid 4057] set_robust_list(0x55556c898760, 24 [pid 4056] write(1, "executing program\n", 18 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4058] set_robust_list(0x55556c898760, 24 [pid 4057] <... set_robust_list resumed>) = 0 [pid 4056] <... write resumed>) = 18 [pid 308] openat(AT_FDCWD, "./765/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4058 [pid 4058] <... set_robust_list resumed>) = 0 [pid 4056] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... openat resumed>) = 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4057] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4058] rt_sigprocmask(SIG_SETMASK, [] [pid 4057] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4056] <... mkdirat resumed>) = 0 [pid 308] getdents64(4 [pid 4058] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4057] chdir("./739" [pid 4056] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4058] chdir("./711" [pid 4057] <... chdir resumed>) = 0 [pid 308] getdents64(4 [pid 4058] <... chdir resumed>) = 0 [pid 4057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4056] <... mount resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4057] <... prctl resumed>) = 0 [pid 4056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] close(4 [pid 4058] <... prctl resumed>) = 0 [pid 4057] setpgid(0, 0 [pid 4056] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... close resumed>) = 0 [pid 4058] setpgid(0, 0 [pid 4057] <... setpgid resumed>) = 0 [pid 4056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] rmdir("./765/config" [pid 4058] <... setpgid resumed>) = 0 [pid 4057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4056] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 4058] <... openat resumed>) = 3 [pid 4057] <... openat resumed>) = 3 [pid 4056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] getdents64(3 [pid 4057] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4058] write(3, "1000", 4 [pid 4057] <... write resumed>) = 4 [pid 4056] <... mkdirat resumed>) = 0 [pid 308] close(3 [pid 4058] <... write resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 4057] close(3 [pid 4056] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rmdir("./765" [pid 4057] <... close resumed>) = 0 [pid 4058] close(3) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4057] symlink("/dev/binderfs", "./binderfs" [pid 4058] symlink("/dev/binderfs", "./binderfs" [pid 308] mkdir("./766", 0777 [pid 4058] <... symlink resumed>) = 0 [pid 4058] write(1, "executing program\n", 18 [pid 308] <... mkdir resumed>) = 0 [pid 4057] <... symlink resumed>) = 0 [pid 4056] <... symlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4057] write(1, "executing program\n", 18 [pid 4056] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4057] <... write resumed>) = 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4056] <... unlinkat resumed>) = 0 executing program [pid 4058] <... write resumed>) = 18 executing program [pid 4058] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4059 attached ) = 0 [pid 4057] mkdirat(AT_FDCWD, "./config", 0777 [pid 4056] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4058] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4057] <... mkdirat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4059 [pid 4058] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4056] <... unlinkat resumed>) = 0 [pid 4059] set_robust_list(0x55556c898760, 24 [pid 4057] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4059] <... set_robust_list resumed>) = 0 [pid 4058] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4057] <... mount resumed>) = 0 [pid 4056] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4056] <... exit_group resumed>) = ? [pid 4057] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4058] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4058] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4059] rt_sigprocmask(SIG_SETMASK, [] [pid 4057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4056] +++ exited with 0 +++ [pid 4059] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4057] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4059] chdir("./766" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4057] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4059] <... chdir resumed>) = 0 [pid 4057] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4059] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4058] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4057] <... symlinkat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4059] setpgid(0, 0 [pid 4058] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4057] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4059] <... setpgid resumed>) = 0 [pid 4058] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4057] <... unlinkat resumed>) = 0 [pid 4059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4057] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./756", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4059] <... openat resumed>) = 3 [pid 4058] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4057] <... unlinkat resumed>) = 0 [pid 4059] write(3, "1000", 4 [pid 4057] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4059] <... write resumed>) = 4 [pid 4058] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4057] <... exit_group resumed>) = ? [pid 4059] close(3 [pid 309] openat(AT_FDCWD, "./756", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4059] <... close resumed>) = 0 [pid 4058] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... openat resumed>) = 3 [pid 4059] symlink("/dev/binderfs", "./binderfs" [pid 4058] exit_group(0 [pid 4057] +++ exited with 0 +++ [pid 309] fstat(3 [pid 4059] <... symlink resumed>) = 0 [pid 4058] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4059] write(1, "executing program\n", 18 [pid 4058] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4059] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4059] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./756/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4059] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 4059] mount(NULL, "./config", "configfs", 0, NULL [pid 309] newfstatat(AT_FDCWD, "./756/binderfs" [pid 4059] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] unlink("./756/binderfs" [pid 306] umount2("./711", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4059] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./711", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4059] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 4059] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4059] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] newfstatat(AT_FDCWD, "./756/config" [pid 306] getdents64(3 [pid 4059] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4059] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./711/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4059] <... unlinkat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4059] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] openat(AT_FDCWD, "./756/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./711/binderfs" [pid 4059] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4059] exit_group(0 [pid 310] umount2("./771", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 306] unlink("./711/binderfs" [pid 4059] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4059] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./771", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = 0 [pid 310] fstat(3 [pid 309] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] close(4 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] umount2("./739", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./711/config" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./771/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./756/config" [pid 307] openat(AT_FDCWD, "./739", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./711/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./766", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./771/binderfs" [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 306] openat(AT_FDCWD, "./711/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./766", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] unlink("./771/binderfs" [pid 309] close(3 [pid 308] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 306] fstat(4 [pid 309] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./756" [pid 308] fstat(3 [pid 306] getdents64(4 [pid 310] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = 0 [pid 309] mkdir("./757", 0777 [pid 308] getdents64(3 [pid 307] umount2("./739/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 310] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./766/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 310] newfstatat(AT_FDCWD, "./771/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./739/binderfs" [pid 306] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./766/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./711/config"ci2-android-6-1/strace-static-x86_64: Process 4060 attached [pid 310] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./739/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4060 [pid 308] unlink("./766/binderfs" [pid 306] getdents64(3 [pid 310] openat(AT_FDCWD, "./771/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] close(3 [pid 310] fstat(4 [pid 308] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./711" [pid 308] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./712", 0777 [pid 4060] set_robust_list(0x55556c898760, 24 [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./766/config" [pid 307] newfstatat(AT_FDCWD, "./739/config" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 308] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4060] <... set_robust_list resumed>) = 0 [pid 310] rmdir("./771/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4061 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4061 attached [pid 4061] set_robust_list(0x55556c898760, 24) = 0 [pid 4061] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./766/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./739/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4061] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4061] chdir("./712") = 0 [pid 307] <... openat resumed>) = 4 [pid 310] getdents64(3 [pid 308] <... openat resumed>) = 4 [pid 4061] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4061] setpgid(0, 0) = 0 [pid 4061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] fstat(4 [pid 307] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4061] <... openat resumed>) = 3 [pid 4061] write(3, "1000", 4) = 4 [pid 4061] close(3) = 0 [pid 4061] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] close(3 [pid 308] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4061] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 4061] <... write resumed>) = 18 executing program [pid 4061] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4060] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./771" [pid 308] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4061] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 4061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 308] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... close resumed>) = 0 [pid 310] mkdir("./772", 0777 [pid 307] close(4 [pid 308] rmdir("./766/config" [pid 4061] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] <... close resumed>) = 0 [pid 4061] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4061] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./739/config" [pid 4061] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 4061] <... exit_group resumed>) = ? [pid 4061] +++ exited with 0 +++ [pid 4060] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 4060] chdir("./757") = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4060] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4060] setpgid(0, 0) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4060] write(3, "1000", 4 [pid 307] close(3 [pid 4060] <... write resumed>) = 4 [pid 4060] close(3) = 0 [pid 4060] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4060] write(1, "executing program\n", 18) = 18 executing program [pid 4060] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] rmdir("./766" [pid 307] rmdir("./739" [pid 4060] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4062 [pid 4060] <... mount resumed>) = 0 [pid 4060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 4060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./767", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 4060] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] mkdir("./740", 0777ci2-android-6-1/strace-static-x86_64: Process 4062 attached [pid 4062] set_robust_list(0x55556c898760, 24) = 0 [pid 4062] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4062] chdir("./772" [pid 308] <... mkdir resumed>) = 0 [pid 4062] <... chdir resumed>) = 0 [pid 4062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4062] setpgid(0, 0) = 0 [pid 4062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 4060] <... symlinkat resumed>) = 0 [pid 4062] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4060] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4062] write(3, "1000", 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4062] <... write resumed>) = 4 [pid 4060] <... unlinkat resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4062] close(3) = 0 [pid 4062] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4062] write(1, "executing program\n", 18) = 18 executing program [pid 4062] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4060] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4063 [pid 4062] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4064 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4060] <... unlinkat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4062] <... mkdirat resumed>) = 0 [pid 4060] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4064 attached [pid 4062] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4062] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4060] <... exit_group resumed>) = ? [pid 4062] <... unlinkat resumed>) = 0 [pid 4062] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4062] exit_group(0) = ? [pid 4064] set_robust_list(0x55556c898760, 24 [pid 4062] +++ exited with 0 +++ [pid 4060] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4063 attached [pid 4063] set_robust_list(0x55556c898760, 24) = 0 [pid 4063] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4063] chdir("./767") = 0 [pid 4063] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4063] setpgid(0, 0) = 0 [pid 4063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4063] <... openat resumed>) = 3 [pid 4063] write(3, "1000", 4) = 4 [pid 306] umount2("./712", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4064] <... set_robust_list resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./757", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./772", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./712", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./757", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./772", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 306] fstat(3 [pid 310] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./757/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./772/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] newfstatat(AT_FDCWD, "./757/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./712/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./772/binderfs" [pid 309] unlink("./757/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./772/binderfs" [pid 309] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./712/binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./757/config" [pid 306] unlink("./712/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./757/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 306] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 306] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./772/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 306] <... umount2 resumed>) = 0 [pid 310] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 310] openat(AT_FDCWD, "./772/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] close(4 [pid 306] newfstatat(AT_FDCWD, "./712/config" [pid 310] fstat(4 [pid 309] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./757/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 306] umount2("./712/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 309] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./712/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(4 [pid 309] rmdir("./757" [pid 4064] rt_sigprocmask(SIG_SETMASK, [] [pid 4063] close(3 [pid 310] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4064] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4063] <... close resumed>) = 0 [pid 310] rmdir("./772/config" [pid 309] mkdir("./758", 0777 [pid 306] fstat(4 [pid 4064] chdir("./740" [pid 4063] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4064] <... chdir resumed>) = 0 [pid 4063] <... symlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4063] write(1, "executing program\n", 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(4 [pid 4064] <... prctl resumed>) = 0 [pid 4063] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4065 attached [pid 4064] setpgid(0, 0 [pid 4063] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4065] set_robust_list(0x55556c898760, 24 [pid 4064] <... setpgid resumed>) = 0 [pid 4063] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4065 [pid 306] getdents64(4 [pid 4065] <... set_robust_list resumed>) = 0 [pid 4064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4063] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rmdir("./772" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4064] <... openat resumed>) = 3 [pid 4063] <... mount resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4064] write(3, "1000", 4 [pid 4063] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] mkdir("./773", 0777 [pid 306] close(4 [pid 4064] <... write resumed>) = 4 [pid 4063] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4064] close(3 [pid 4063] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4064] <... close resumed>) = 0 [pid 4063] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4064] symlink("/dev/binderfs", "./binderfs" [pid 4063] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./712/config" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4064] <... symlink resumed>) = 0 [pid 4063] <... mkdirat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rmdir resumed>) = 0 [pid 4064] write(1, "executing program\n", 18 [pid 4063] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4064] <... write resumed>) = 18 [pid 4063] <... symlinkat resumed>) = 0 [pid 4064] mkdirat(AT_FDCWD, "./config", 0777 [pid 4063] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4066 executing program [pid 4064] <... mkdirat resumed>) = 0 [pid 4063] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4064] mount(NULL, "./config", "configfs", 0, NULL [pid 4063] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 4066 attached [pid 4065] rt_sigprocmask(SIG_SETMASK, [] [pid 4064] <... mount resumed>) = 0 [pid 4063] <... unlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4064] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4063] exit_group(0 [pid 4064] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4063] <... exit_group resumed>) = ? [pid 4066] set_robust_list(0x55556c898760, 24 [pid 4065] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4064] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4063] +++ exited with 0 +++ [pid 306] rmdir("./712" [pid 4064] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4064] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4064] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4064] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4064] <... unlinkat resumed>) = 0 [pid 4064] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] mkdir("./713", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 4064] exit_group(0) = ? [pid 4066] <... set_robust_list resumed>) = 0 [pid 4065] chdir("./758" [pid 4064] +++ exited with 0 +++ [pid 306] <... mkdir resumed>) = 0 [pid 4066] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4066] chdir("./773" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./767", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4066] <... chdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] openat(AT_FDCWD, "./767", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4066] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4066] setpgid(0, 0) = 0 [pid 4066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 3 [pid 4066] <... openat resumed>) = 3 [pid 4066] write(3, "1000", 4) = 4 [pid 4066] close(3) = 0 [pid 4066] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4066] write(1, "executing program\n", 18 executing program [pid 308] fstat(3 [pid 4066] <... write resumed>) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4067 [pid 4066] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4066] <... mkdirat resumed>) = 0 [pid 4065] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./767/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4066] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./767/binderfs" [pid 4066] <... mount resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4066] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] unlink("./767/binderfs" [pid 4066] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4066] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 4066] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4066] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4066] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4066] <... symlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4066] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] newfstatat(AT_FDCWD, "./767/config" [pid 4066] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4066] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4066] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4066] exit_group(0 [pid 308] openat(AT_FDCWD, "./767/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4066] <... exit_group resumed>) = ? [pid 308] <... openat resumed>) = 4 [pid 4066] +++ exited with 0 +++ [pid 4065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4067 attached [pid 4067] set_robust_list(0x55556c898760, 24) = 0 [pid 4067] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4067] chdir("./713") = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4067] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] getdents64(4 [pid 4067] <... prctl resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 4067] setpgid(0, 0 [pid 308] <... close resumed>) = 0 [pid 4067] <... setpgid resumed>) = 0 [pid 308] rmdir("./767/config" [pid 4067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4065] <... prctl resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4067] write(3, "1000", 4 [pid 4065] setpgid(0, 0 [pid 308] getdents64(3 [pid 4067] <... write resumed>) = 4 [pid 4065] <... setpgid resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4067] close(3 [pid 308] close(3 [pid 4067] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rmdir("./767" [pid 4067] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4065] <... openat resumed>) = 3 [pid 308] mkdir("./768", 0777 [pid 4067] write(1, "executing program\n", 18) = 18 [pid 4067] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4065] write(3, "1000", 4 [pid 308] <... mkdir resumed>) = 0 executing program [pid 4067] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4065] <... write resumed>) = 4 [pid 4067] <... mount resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4065] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4067] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4065] <... close resumed>) = 0 [pid 4067] <... symlinkat resumed>) = 0 [pid 4067] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4065] symlink("/dev/binderfs", "./binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4068 [pid 4067] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4067] exit_group(0) = ? [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./773", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4067] +++ exited with 0 +++ [pid 4065] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4068 attached [pid 4065] write(1, "executing program\n", 18 [pid 310] openat(AT_FDCWD, "./773", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4068] set_robust_list(0x55556c898760, 24 [pid 310] <... openat resumed>) = 3 executing program [pid 4065] <... write resumed>) = 18 [pid 310] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(3 [pid 4068] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4065] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./773/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./773/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./773/binderfs" [pid 4068] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4068] chdir("./768" [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4068] <... chdir resumed>) = 0 [pid 4068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = 0 [pid 4065] <... mkdirat resumed>) = 0 [pid 310] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4065] mount(NULL, "./config", "configfs", 0, NULL [pid 4068] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./773/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4065] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./740", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] openat(AT_FDCWD, "./773/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4065] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./713", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 4065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(4 [pid 307] openat(AT_FDCWD, "./740", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./713", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4065] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 307] fstat(3 [pid 4065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 310] getdents64(4 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4065] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 306] getdents64(3 [pid 4065] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./740/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] rmdir("./773/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./713/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4068] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./740/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4065] <... symlinkat resumed>) = 0 [pid 4065] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./713/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] unlink("./740/binderfs" [pid 310] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./713/binderfs" [pid 4065] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4068] <... setpgid resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rmdir("./773" [pid 4065] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4068] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 307] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 310] mkdir("./774", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4068] write(3, "1000", 4) = 4 [pid 4068] close(3) = 0 [pid 4065] <... unlinkat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./740/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./713/config" [pid 4065] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4068] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4068] <... symlink resumed>) = 0 [pid 4068] write(1, "executing program\n", 18 [pid 4065] <... exit_group resumed>) = ? [pid 307] openat(AT_FDCWD, "./740/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./713/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4069 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4069 [pid 307] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4068] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(4 [pid 306] openat(AT_FDCWD, "./713/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 [pid 307] getdents64(4 [pid 306] fstat(4 [pid 4069] set_robust_list(0x55556c898760, 24 [pid 4068] mkdirat(AT_FDCWD, "./config", 0777 [pid 4065] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4069] <... set_robust_list resumed>) = 0 [pid 4068] <... mkdirat resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4069] rt_sigprocmask(SIG_SETMASK, [] [pid 4068] mount(NULL, "./config", "configfs", 0, NULL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 4069] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4068] <... mount resumed>) = 0 [pid 4069] chdir("./774" [pid 4068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4069] <... chdir resumed>) = 0 [pid 307] close(4 [pid 4069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] getdents64(4 [pid 4069] <... prctl resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4069] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4069] <... setpgid resumed>) = 0 [pid 307] rmdir("./740/config" [pid 306] close(4 [pid 4068] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4068] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(3 [pid 306] rmdir("./713/config" [pid 4069] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4069] write(3, "1000", 4 [pid 4068] <... mkdirat resumed>) = 0 [pid 307] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 4069] <... write resumed>) = 4 [pid 4068] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 4069] close(3 [pid 4068] <... symlinkat resumed>) = 0 [pid 307] rmdir("./740" [pid 4069] <... close resumed>) = 0 [pid 4068] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4068] <... unlinkat resumed>) = 0 [pid 309] umount2("./758", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4069] symlink("/dev/binderfs", "./binderfs" [pid 4068] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 4069] <... symlink resumed>) = 0 [pid 4068] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./758", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./741", 0777 [pid 4069] write(1, "executing program\n", 18 [pid 4068] exit_group(0 [pid 309] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 4068] <... exit_group resumed>) = ? [pid 309] fstat(3 [pid 4069] <... write resumed>) = 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 executing program [pid 306] rmdir("./713" [pid 4069] mkdirat(AT_FDCWD, "./config", 0777 [pid 4068] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./714", 0777 [pid 4069] <... mkdirat resumed>) = 0 [pid 309] umount2("./758/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./758/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./758/binderfs") = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4069] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 4070 attached [pid 309] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4070 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4070] set_robust_list(0x55556c898760, 24 [pid 4069] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4070] <... set_robust_list resumed>) = 0 [pid 4069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./758/config" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4070] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4070] chdir("./741" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4071 attached [pid 4069] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4071 [pid 4071] set_robust_list(0x55556c898760, 24 [pid 4069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4071] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4069] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./758/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 4071] rt_sigprocmask(SIG_SETMASK, [] [pid 4070] <... chdir resumed>) = 0 [pid 4069] <... mkdirat resumed>) = 0 [pid 309] fstat(4 [pid 4069] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4070] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4070] setpgid(0, 0 [pid 4069] <... symlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 4069] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4071] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4070] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4071] chdir("./714" [pid 4070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4069] <... unlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 4069] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4070] <... openat resumed>) = 3 [pid 4069] <... unlinkat resumed>) = 0 [pid 309] close(4 [pid 4070] write(3, "1000", 4 [pid 4069] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 4069] <... exit_group resumed>) = ? [pid 309] rmdir("./758/config" [pid 4070] <... write resumed>) = 4 [pid 4070] close(3) = 0 [pid 4070] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4070] write(1, "executing program\n", 18) = 18 [pid 4070] mkdirat(AT_FDCWD, "./config", 0777 [pid 4069] +++ exited with 0 +++ executing program [pid 4070] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4070] mount(NULL, "./config", "configfs", 0, NULL [pid 309] close(3 [pid 4070] <... mount resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rmdir("./758" [pid 4070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4070] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] mkdir("./759", 0777 [pid 4071] <... chdir resumed>) = 0 [pid 4070] <... symlinkat resumed>) = 0 [pid 4070] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4070] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4070] <... unlinkat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4071] <... prctl resumed>) = 0 [pid 4070] exit_group(0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4071] setpgid(0, 0 [pid 4070] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4071] <... setpgid resumed>) = 0 [pid 4070] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4070, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4072 attached [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4072 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4072] set_robust_list(0x55556c898760, 24 [pid 4071] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4072] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4071] <... write resumed>) = 4 [pid 4071] close(3 [pid 4072] rt_sigprocmask(SIG_SETMASK, [] [pid 4071] <... close resumed>) = 0 [pid 4071] symlink("/dev/binderfs", "./binderfs" [pid 4072] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4071] <... symlink resumed>) = 0 [pid 4071] write(1, "executing program\n", 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 4071] <... write resumed>) = 18 executing program [pid 4072] chdir("./759" [pid 4071] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] umount2("./774", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4072] <... chdir resumed>) = 0 [pid 4072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4071] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4071] mount(NULL, "./config", "configfs", 0, NULL [pid 308] umount2("./768", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4072] <... prctl resumed>) = 0 [pid 310] openat(AT_FDCWD, "./774", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4072] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4072] <... setpgid resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 4071] <... mount resumed>) = 0 [pid 4071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./768", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] fstat(3 [pid 310] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 310] umount2("./774/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4071] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4072] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./768/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4072] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./774/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4072] <... write resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./768/binderfs" [pid 310] unlink("./774/binderfs" [pid 4071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4072] close(3 [pid 4071] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] unlink("./768/binderfs" [pid 310] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4071] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... unlink resumed>) = 0 [pid 4072] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4072] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4071] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4071] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./774/config" [pid 308] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 4071] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4072] <... symlink resumed>) = 0 [pid 4071] <... unlinkat resumed>) = 0 [pid 310] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4072] write(1, "executing program\n", 18 [pid 310] openat(AT_FDCWD, "./774/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./768/config" [pid 4071] exit_group(0 [pid 310] <... openat resumed>) = 4 [pid 4072] <... write resumed>) = 18 [pid 4071] <... exit_group resumed>) = ? [pid 310] fstat(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4072] mkdirat(AT_FDCWD, "./config", 0777 [pid 4071] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 308] openat(AT_FDCWD, "./768/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./741", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./741", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./774/config" [pid 308] getdents64(4 [pid 307] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(3 [pid 306] umount2("./714", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4072] <... mkdirat resumed>) = 0 [pid 4072] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 306] openat(AT_FDCWD, "./714", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(3 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 308] rmdir("./768/config" [pid 307] umount2("./741/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 310] rmdir("./774" [pid 4072] <... mount resumed>) = 0 [pid 4072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4072] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./741/binderfs" [pid 306] getdents64(3 [pid 310] mkdir("./775", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4072] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] unlink("./741/binderfs" [pid 308] close(3 [pid 4072] <... symlinkat resumed>) = 0 [pid 4072] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] umount2("./714/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4072] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 307] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./714/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rmdir("./768" [pid 4072] <... unlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4072] exit_group(0) = ? [pid 4072] +++ exited with 0 +++ [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./714/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4073 attached [pid 4073] set_robust_list(0x55556c898760, 24 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4073 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] mkdir("./769", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4073] <... set_robust_list resumed>) = 0 [pid 4073] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4073] chdir("./775" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] newfstatat(AT_FDCWD, "./741/config" [pid 306] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 307] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4073] <... chdir resumed>) = 0 [pid 4073] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4073] setpgid(0, 0) = 0 [pid 4073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4073] write(3, "1000", 4 [pid 306] newfstatat(AT_FDCWD, "./714/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./759", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4074 [pid 307] openat(AT_FDCWD, "./741/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./759", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./714/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 4073] <... write resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 307] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./714/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 307] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 4073] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] fstat(4 [pid 309] umount2("./759/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./759/binderfs" [pid 306] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./759/binderfs" [pid 307] close(4 [pid 306] getdents64(4 [pid 4073] <... close resumed>) = 0 [pid 4073] symlink("/dev/binderfs", "./binderfs" [pid 309] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 306] close(4 [pid 4073] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] rmdir("./741/config" [pid 306] <... close resumed>) = 0 [pid 309] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4073] write(1, "executing program\n", 18) = 18 [pid 4073] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./714/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 executing program [pid 4073] <... mkdirat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./759/config" [pid 306] <... rmdir resumed>) = 0 [pid 4073] mount(NULL, "./config", "configfs", 0, NULL [pid 307] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 309] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./741" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4073] <... mount resumed>) = 0 [pid 4073] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./759/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 309] <... openat resumed>) = 4 [pid 4073] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... close resumed>) = 0 [pid 309] fstat(4 [pid 307] mkdir("./742", 0777 [pid 306] rmdir("./714" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4073] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4073] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4073] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4073] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./715", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4073] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] getdents64(4 [pid 306] <... mkdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4073] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 4075 attached [pid 4073] +++ exited with 0 +++ [pid 309] close(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4074 attached [pid 4074] set_robust_list(0x55556c898760, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4073, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4075 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./759/config" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4074] <... set_robust_list resumed>) = 0 [pid 4074] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4074] chdir("./769") = 0 [pid 4074] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4074] setpgid(0, 0) = 0 [pid 4074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4074] write(3, "1000", 4) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4076 [pid 309] getdents64(3 [pid 4074] close(3) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(3 [pid 4074] symlink("/dev/binderfs", "./binderfs" [pid 309] <... close resumed>) = 0 [pid 4075] set_robust_list(0x55556c898760, 24 [pid 4074] <... symlink resumed>) = 0 [pid 309] rmdir("./759" [pid 4074] write(1, "executing program\n", 18) = 18 [pid 4074] mkdirat(AT_FDCWD, "./config", 0777 [pid 4075] <... set_robust_list resumed>) = 0 [pid 4074] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 executing program [pid 4074] mount(NULL, "./config", "configfs", 0, NULL [pid 309] mkdir("./760", 0777 [pid 4074] <... mount resumed>) = 0 [pid 4074] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4074] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 4074] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4074] <... mkdirat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4075] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4074] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4074] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4074] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4074] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4077 [pid 4075] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4074] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4077 attached [pid 4075] chdir("./742" [pid 4074] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4076 attached [pid 4076] set_robust_list(0x55556c898760, 24) = 0 [pid 4076] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4075] <... chdir resumed>) = 0 [pid 4077] set_robust_list(0x55556c898760, 24 [pid 4076] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4076] chdir("./715") = 0 [pid 4076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4076] setpgid(0, 0) = 0 [pid 4076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4076] write(3, "1000", 4) = 4 [pid 4076] close(3) = 0 [pid 4076] symlink("/dev/binderfs", "./binderfs" executing program [pid 310] umount2("./775", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4077] <... set_robust_list resumed>) = 0 [pid 4076] <... symlink resumed>) = 0 [pid 4075] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4076] write(1, "executing program\n", 18) = 18 [pid 310] openat(AT_FDCWD, "./775", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4076] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 3 [pid 4077] rt_sigprocmask(SIG_SETMASK, [] [pid 4076] <... mkdirat resumed>) = 0 [pid 4075] setpgid(0, 0 [pid 310] fstat(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4076] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./769", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./775/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4076] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./769", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./775/binderfs" [pid 308] <... openat resumed>) = 3 [pid 4076] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(3 [pid 310] unlink("./775/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4076] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4076] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 310] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4076] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = 0 [pid 308] umount2("./769/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4076] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4075] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./775/config" [pid 308] newfstatat(AT_FDCWD, "./769/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4076] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./769/binderfs" [pid 310] openat(AT_FDCWD, "./775/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4076] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4076] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(4 [pid 4077] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4076] <... unlinkat resumed>) = 0 [pid 4075] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4077] chdir("./760" [pid 4076] exit_group(0 [pid 4075] write(3, "1000", 4 [pid 310] getdents64(4 [pid 308] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4077] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4075] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 4075] close(3 [pid 308] newfstatat(AT_FDCWD, "./769/config" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4075] <... close resumed>) = 0 [pid 310] close(4 [pid 308] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4075] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4077] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4077] setpgid(0, 0 [pid 310] rmdir("./775/config" [pid 308] openat(AT_FDCWD, "./769/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4077] <... setpgid resumed>) = 0 [pid 4077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] getdents64(3 [pid 308] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3 [pid 308] getdents64(4 [pid 4077] write(3, "1000", 4 [pid 310] <... close resumed>) = 0 [pid 4075] <... symlink resumed>) = 0 [pid 310] rmdir("./775" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4077] <... write resumed>) = 4 [pid 4077] close(3) = 0 [pid 4077] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4075] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 310] mkdir("./776", 0777 [pid 4075] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4077] write(1, "executing program\n", 18) = 18 [pid 4077] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4076] <... exit_group resumed>) = ? executing program executing program [pid 4075] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 308] close(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 4077] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] rmdir("./769/config" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4077] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4077] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] close(3 [pid 4077] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4078 [pid 308] <... close resumed>) = 0 [pid 4077] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./769" [pid 4075] <... mkdirat resumed>) = 0 [pid 4077] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4075] mount(NULL, "./config", "configfs", 0, NULL [pid 308] mkdir("./770", 0777 [pid 4077] exit_group(0) = ? [pid 4077] +++ exited with 0 +++ [pid 4075] <... mount resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4078 attached [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4075] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4078] set_robust_list(0x55556c898760, 24) = 0 [pid 4078] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4078] chdir("./776") = 0 [pid 4078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4078] setpgid(0, 0) = 0 [pid 4078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4078] write(3, "1000", 4 [pid 4075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4078] <... write resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4079 [pid 4075] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4078] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4078] <... close resumed>) = 0 [pid 4078] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4075] <... mkdirat resumed>) = 0 [pid 4078] write(1, "executing program\n", 18) = 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 4075] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4078] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4075] <... symlinkat resumed>) = 0 [pid 4078] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./760", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4075] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4078] <... mount resumed>) = 0 [pid 4075] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] openat(AT_FDCWD, "./760", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4075] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4078] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 4078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] fstat(3 [pid 4075] <... unlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4079 attached [pid 4078] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4076] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4078] <... mkdirat resumed>) = 0 [pid 4075] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./760/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4078] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4075] <... exit_group resumed>) = ? [pid 306] umount2("./715", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./760/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./715", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./760/binderfs" [pid 4078] <... symlinkat resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4078] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... unlink resumed>) = 0 [pid 306] fstat(3 [pid 309] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4078] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] getdents64(3 [pid 309] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4078] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] newfstatat(AT_FDCWD, "./760/config" [pid 306] umount2("./715/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./715/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./760/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] unlink("./715/binderfs" [pid 309] <... openat resumed>) = 4 [pid 4078] <... unlinkat resumed>) = 0 [pid 309] fstat(4 [pid 306] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4075] +++ exited with 0 +++ [pid 309] getdents64(4 [pid 306] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4078] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 306] <... umount2 resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./715/config" [pid 309] rmdir("./760/config" [pid 4079] set_robust_list(0x55556c898760, 24 [pid 4078] <... exit_group resumed>) = ? [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4079] <... set_robust_list resumed>) = 0 [pid 4078] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./715/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4079] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./715/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] close(3 [pid 306] <... openat resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 306] fstat(4 [pid 309] rmdir("./760" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4079] chdir("./770") = 0 [pid 4079] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 309] mkdir("./761", 0777 [pid 4079] setpgid(0, 0) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4079] write(3, "1000", 4 [pid 309] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4079] <... write resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 4079] close(3) = 0 [pid 4079] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4079] write(1, "executing program\n", 18 [pid 306] rmdir("./715/config" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4080 [pid 4079] <... write resumed>) = 18 executing program [pid 4079] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 4079] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4079] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] close(3 [pid 4079] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... close resumed>) = 0 [pid 4079] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] rmdir("./715" [pid 4079] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4079] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4079] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] mkdir("./716", 0777 [pid 4079] <... symlinkat resumed>) = 0 [pid 4079] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4079] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... mkdir resumed>) = 0 [pid 4079] <... unlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4079] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4079] <... exit_group resumed>) = ? [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4079] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4081 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4080 attached [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4080] set_robust_list(0x55556c898760, 24 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4080] <... set_robust_list resumed>) = 0 [pid 4080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4080] chdir("./761") = 0 [pid 4080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4080] setpgid(0, 0) = 0 [pid 4080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 4081 attached ) = 3 [pid 4080] write(3, "1000", 4) = 4 [pid 4080] close(3) = 0 [pid 4080] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4080] write(1, "executing program\n", 18) = 18 executing program [pid 4080] mkdirat(AT_FDCWD, "./config", 0777 [pid 4081] set_robust_list(0x55556c898760, 24 [pid 4080] <... mkdirat resumed>) = 0 [pid 4080] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4081] <... set_robust_list resumed>) = 0 [pid 4080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4081] rt_sigprocmask(SIG_SETMASK, [] [pid 4080] <... mkdirat resumed>) = 0 [pid 4080] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4081] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4080] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4080] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4080] exit_group(0) = ? [pid 4081] chdir("./716" [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4080] +++ exited with 0 +++ [pid 4081] <... chdir resumed>) = 0 [pid 310] umount2("./776", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./770", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./742", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./776", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./770", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./742", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 310] getdents64(3 [pid 307] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./776/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./770/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4081] <... prctl resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./776/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./742/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./770/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./776/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./770/binderfs" [pid 4081] setpgid(0, 0) = 0 [pid 4081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./742/binderfs" [pid 4081] <... openat resumed>) = 3 [pid 310] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./742/binderfs" [pid 308] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 4081] write(3, "1000", 4) = 4 [pid 307] <... unlink resumed>) = 0 [pid 310] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./776/config" [pid 308] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 310] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./770/config" [pid 310] openat(AT_FDCWD, "./776/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./742/config" [pid 310] fstat(4 [pid 308] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4081] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./770/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 308] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./742/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] fstat(4 [pid 310] close(4 [pid 307] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 307] fstat(4 [pid 310] rmdir("./776/config" [pid 308] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4081] <... close resumed>) = 0 [pid 4081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 310] getdents64(3 [pid 308] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 308] close(4 [pid 307] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./776" [pid 308] rmdir("./770/config" [pid 307] close(4 [pid 4081] write(1, "executing program\n", 18) = 18 [pid 4081] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 executing program [pid 4081] <... mkdirat resumed>) = 0 [pid 310] mkdir("./777", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./742/config" [pid 4081] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 4081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4081] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4081] <... symlinkat resumed>) = 0 [pid 4081] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4081] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4081] exit_group(0 [pid 309] umount2("./761", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4082 [pid 308] <... close resumed>) = 0 [pid 307] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./761", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rmdir("./770" [pid 307] rmdir("./742" [pid 309] <... openat resumed>) = 3 [pid 4081] <... exit_group resumed>) = ? [pid 4081] +++ exited with 0 +++ [pid 309] fstat(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] mkdir("./771", 0777 [pid 307] mkdir("./743", 0777 [pid 309] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4082 attached [pid 4082] set_robust_list(0x55556c898760, 24) = 0 [pid 4082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4082] chdir("./777" [pid 308] <... mkdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4082] <... chdir resumed>) = 0 [pid 4082] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4082] setpgid(0, 0) = 0 [pid 4082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./761/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./761/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4082] <... openat resumed>) = 3 [pid 4082] write(3, "1000", 4) = 4 [pid 4082] close(3) = 0 [pid 4082] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] unlink("./761/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./716", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4082] write(1, "executing program\n", 18) = 18 [pid 309] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4082] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4082] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] openat(AT_FDCWD, "./716", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4083 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4084 [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4082] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./761/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./716/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./716/binderfs" [pid 4082] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./761/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] unlink("./716/binderfs" [pid 309] fstat(4 [pid 4082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 306] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4082] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 306] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4082] <... symlinkat resumed>) = 0 [pid 309] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4082] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./716/config" [pid 309] rmdir("./761/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4082] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4082] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./716/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4082] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./716/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 4082] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] rmdir("./761" [pid 306] fstat(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4083 attached [pid 4083] set_robust_list(0x55556c898760, 24) = 0 [pid 4083] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./762", 0777 [pid 306] getdents64(4 [pid 4083] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4083] chdir("./771") = 0 [pid 4083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4083] setpgid(0, 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4083] <... openat resumed>) = 3 [pid 4083] write(3, "1000", 4) = 4 [pid 4083] close(3) = 0 [pid 4083] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4085 [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4084 attached [pid 4084] set_robust_list(0x55556c898760, 24) = 0 [pid 4084] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./716/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4083] write(1, "executing program\n", 18) = 18 [pid 4083] mkdirat(AT_FDCWD, "./config", 0777 [pid 4084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4084] chdir("./743" executing program [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4085 attached [pid 4083] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4084] <... chdir resumed>) = 0 [pid 306] close(3 [pid 4084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... close resumed>) = 0 [pid 4084] <... prctl resumed>) = 0 [pid 306] rmdir("./716" [pid 4084] setpgid(0, 0) = 0 [pid 4084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4083] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rmdir resumed>) = 0 [pid 4084] write(3, "1000", 4 [pid 4083] <... mount resumed>) = 0 [pid 306] mkdir("./717", 0777 [pid 4084] <... write resumed>) = 4 [pid 4083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4084] close(3 [pid 4083] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4084] <... close resumed>) = 0 [pid 4083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4084] symlink("/dev/binderfs", "./binderfs" [pid 4083] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4084] <... symlink resumed>) = 0 [pid 4085] set_robust_list(0x55556c898760, 24 [pid 4083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 4084] write(1, "executing program\n", 18 [pid 4083] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4084] <... write resumed>) = 18 [pid 4083] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4084] mkdirat(AT_FDCWD, "./config", 0777 [pid 4083] <... symlinkat resumed>) = 0 [pid 4084] <... mkdirat resumed>) = 0 [pid 4083] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4086 executing program [pid 310] umount2("./777", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4084] mount(NULL, "./config", "configfs", 0, NULL [pid 4083] <... unlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./777", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4084] <... mount resumed>) = 0 [pid 4083] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 3 [pid 4085] <... set_robust_list resumed>) = 0 [pid 4084] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4083] <... unlinkat resumed>) = 0 [pid 310] fstat(3 [pid 4084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4083] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4084] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4083] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 4085] rt_sigprocmask(SIG_SETMASK, [] [pid 4084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4083] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4084] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./777/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4084] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./777/binderfs" [pid 4084] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4084] <... symlinkat resumed>) = 0 [pid 310] unlink("./777/binderfs" [pid 4084] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4084] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4084] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 4084] exit_group(0 [pid 310] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 4085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4084] <... exit_group resumed>) = ? [pid 4085] chdir("./762" [pid 4084] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./777/config"ci2-android-6-1/strace-static-x86_64: Process 4086 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./771", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./777/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./771", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4086] set_robust_list(0x55556c898760, 24 [pid 310] <... openat resumed>) = 4 [pid 308] <... openat resumed>) = 3 [pid 310] fstat(4 [pid 308] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 308] getdents64(3 [pid 4086] <... set_robust_list resumed>) = 0 [pid 4086] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] getdents64(4 [pid 308] umount2("./771/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 308] newfstatat(AT_FDCWD, "./771/binderfs" [pid 310] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./777/config" [pid 308] unlink("./771/binderfs" [pid 4086] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4086] chdir("./717") = 0 [pid 4086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 4086] <... prctl resumed>) = 0 [pid 4086] setpgid(0, 0) = 0 [pid 310] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 4086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 4086] <... openat resumed>) = 3 [pid 4085] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] rmdir("./777" [pid 4085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4086] write(3, "1000", 4) = 4 [pid 4086] close(3) = 0 [pid 4086] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 4085] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./778", 0777 [pid 308] newfstatat(AT_FDCWD, "./771/config" [pid 4086] <... symlink resumed>) = 0 [pid 4086] write(1, "executing program\n", 18) = 18 [pid 4086] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4085] setpgid(0, 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4085] <... setpgid resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4086] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] openat(AT_FDCWD, "./771/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4087 [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 4086] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 308] getdents64(4 [pid 4086] <... symlinkat resumed>) = 0 [pid 4085] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4086] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] getdents64(4 [pid 4085] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4086] <... unlinkat resumed>) = 0 [pid 4085] <... write resumed>) = 4 [pid 308] close(4 [pid 4086] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4085] close(3 [pid 308] <... close resumed>) = 0 [pid 4086] exit_group(0 [pid 4085] <... close resumed>) = 0 [pid 308] rmdir("./771/config" [pid 4086] <... exit_group resumed>) = ? [pid 4086] +++ exited with 0 +++ [pid 4085] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(3ci2-android-6-1/strace-static-x86_64: Process 4087 attached ) = 0 [pid 4087] set_robust_list(0x55556c898760, 24 [pid 308] rmdir("./771" [pid 4085] <... symlink resumed>) = 0 [pid 4087] <... set_robust_list resumed>) = 0 [pid 4087] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4085] write(1, "executing program\n", 18 [pid 308] mkdir("./772", 0777 [pid 4087] chdir("./778") = 0 [pid 4087] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4087] setpgid(0, 0) = 0 [pid 4087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4085] <... write resumed>) = 18 [pid 308] <... mkdir resumed>) = 0 [pid 4087] <... openat resumed>) = 3 [pid 4085] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4087] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4087] <... write resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4087] close(3) = 0 [pid 4087] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4087] write(1, "executing program\n", 18) = 18 [pid 4087] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4085] <... mkdirat resumed>) = 0 executing program executing program [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4088 [pid 4087] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4087] <... mount resumed>) = 0 [pid 4085] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./717", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4085] <... mount resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] openat(AT_FDCWD, "./717", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4085] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... openat resumed>) = 3 [pid 4087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4085] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] fstat(3 [pid 4087] <... mkdirat resumed>) = 0 [pid 4085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4087] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4085] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(3 [pid 4087] <... symlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4085] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./717/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4087] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4085] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4087] <... unlinkat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./717/binderfs" [pid 4087] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4085] <... symlinkat resumed>) = 0 [pid 306] unlink("./717/binderfs" [pid 4087] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4087] exit_group(0 [pid 306] <... unlink resumed>) = 0 [pid 4085] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4087] <... exit_group resumed>) = ? [pid 4087] +++ exited with 0 +++ [pid 4085] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4085] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./717/config"ci2-android-6-1/strace-static-x86_64: Process 4088 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4088] set_robust_list(0x55556c898760, 24 [pid 306] umount2("./717/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4088] <... set_robust_list resumed>) = 0 [pid 4088] rt_sigprocmask(SIG_SETMASK, [] [pid 4085] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./743", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./717/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4088] chdir("./772" [pid 4085] exit_group(0 [pid 307] openat(AT_FDCWD, "./743", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 4 [pid 4088] <... chdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] fstat(4 [pid 4085] <... exit_group resumed>) = ? [pid 307] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 4088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] getdents64(3 [pid 4088] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(4 [pid 307] umount2("./743/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 307] newfstatat(AT_FDCWD, "./743/binderfs" [pid 306] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./717/config" [pid 307] unlink("./743/binderfs" [pid 4088] setpgid(0, 0) = 0 [pid 4088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 307] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4088] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = 0 [pid 306] close(3 [pid 307] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4088] <... write resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./717" [pid 307] newfstatat(AT_FDCWD, "./743/config" [pid 4088] close(3) = 0 [pid 4088] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./718", 0777 [pid 4085] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4088] write(1, "executing program\n", 18) = 18 executing program [pid 4088] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] openat(AT_FDCWD, "./743/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4088] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... openat resumed>) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4088] <... mount resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4088] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4088] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4088] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] getdents64(4 [pid 4088] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4089 [pid 307] close(4 [pid 4088] <... symlinkat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4088] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] umount2("./762", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./743/config" [pid 310] umount2("./778", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4088] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./762", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 310] openat(AT_FDCWD, "./778", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 307] close(3 [pid 310] fstat(3 [pid 4088] exit_group(0) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 4088] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rmdir("./743" [pid 310] umount2("./778/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./762/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4089 attached [pid 4089] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./778/binderfs" [pid 309] newfstatat(AT_FDCWD, "./762/binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] mkdir("./744", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4089] chdir("./718") = 0 [pid 310] unlink("./778/binderfs" [pid 309] unlink("./762/binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 4089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4089] setpgid(0, 0 [pid 310] <... unlink resumed>) = 0 [pid 4089] <... setpgid resumed>) = 0 [pid 4089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4089] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4089] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4089] <... write resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./778/config" [pid 4089] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4089] <... close resumed>) = 0 [pid 4089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4089] write(1, "executing program\n", 18) = 18 [pid 4089] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./762/config" [pid 310] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4090 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./778/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4089] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./772", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(4 [pid 4089] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./762/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./772", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 309] fstat(4 [pid 308] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(4 [pid 308] fstat(3 [pid 309] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./778/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(3 [pid 4089] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./772/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 310] close(3 [pid 4089] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] rmdir("./762/config" [pid 308] newfstatat(AT_FDCWD, "./772/binderfs" [pid 310] rmdir("./778" [pid 4089] <... symlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4089] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4089] <... unlinkat resumed>) = 0 [pid 4089] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] unlink("./772/binderfs" [pid 310] mkdir("./779", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4089] exit_group(0 [pid 309] close(3 [pid 308] <... unlink resumed>) = 0 [pid 4089] <... exit_group resumed>) = ? [pid 4089] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./762" [pid 308] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4090 attached [pid 4090] set_robust_list(0x55556c898760, 24) = 0 [pid 4090] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./763", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4090] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4090] chdir("./744") = 0 [pid 4090] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4090] setpgid(0, 0) = 0 [pid 4090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] newfstatat(AT_FDCWD, "./772/config" [pid 4090] write(3, "1000", 4) = 4 [pid 4090] close(3) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4090] symlink("/dev/binderfs", "./binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4091 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4090] <... symlink resumed>) = 0 [pid 4090] write(1, "executing program\n", 18) = 18 [pid 4090] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] openat(AT_FDCWD, "./772/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4092 [pid 4090] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] getdents64(4 [pid 4090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(4 [pid 4090] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] close(4ci2-android-6-1/strace-static-x86_64: Process 4092 attached [pid 4090] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4090] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rmdir("./772/config" [pid 4090] <... symlinkat resumed>) = 0 [pid 4090] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4090] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] close(3 [pid 4090] <... unlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./718", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./772" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4090] exit_group(0) = ? [pid 4092] set_robust_list(0x55556c898760, 24 [pid 4090] +++ exited with 0 +++ [pid 308] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./718", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4091 attached [pid 4091] set_robust_list(0x55556c898760, 24 [pid 308] mkdir("./773", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 3 [pid 4091] <... set_robust_list resumed>) = 0 [pid 4091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4091] chdir("./779" [pid 308] <... mkdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] fstat(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4091] <... chdir resumed>) = 0 [pid 4091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4091] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4091] <... setpgid resumed>) = 0 [pid 4091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4091] write(3, "1000", 4) = 4 [pid 4091] close(3 [pid 306] umount2("./718/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4093 [pid 4091] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4091] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./718/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4091] <... symlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4091] write(1, "executing program\n", 18 [pid 306] unlink("./718/binderfs" [pid 4092] <... set_robust_list resumed>) = 0 [pid 4091] <... write resumed>) = 18 executing program [pid 4091] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4091] <... mkdirat resumed>) = 0 [pid 4091] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 4091] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./744", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./718/config" [pid 307] openat(AT_FDCWD, "./744", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... openat resumed>) = 3 [pid 306] umount2("./718/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4091] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./718/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] getdents64(3 [pid 306] <... openat resumed>) = 4 [pid 4091] <... mkdirat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] fstat(4 [pid 307] umount2("./744/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./744/binderfs" [pid 4091] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(4 [pid 307] unlink("./744/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4091] <... symlinkat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] close(4 [pid 4091] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4091] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] rmdir("./718/config" [pid 307] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4091] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./744/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4092] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(3 [pid 307] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4092] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4091] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./744/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4091] <... exit_group resumed>) = ? [pid 4092] chdir("./763" [pid 4091] +++ exited with 0 +++ [pid 307] <... openat resumed>) = 4 [pid 306] rmdir("./718" [pid 307] fstat(4ci2-android-6-1/strace-static-x86_64: Process 4093 attached [pid 4093] set_robust_list(0x55556c898760, 24) = 0 [pid 4093] rt_sigprocmask(SIG_SETMASK, [] [pid 4092] <... chdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(4 [pid 306] mkdir("./719", 0777 [pid 4092] <... prctl resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4093] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4093] chdir("./773") = 0 [pid 4093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4093] setpgid(0, 0) = 0 [pid 4093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4092] setpgid(0, 0 [pid 307] getdents64(4 [pid 306] <... mkdir resumed>) = 0 [pid 4092] <... setpgid resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] close(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./744/config" [pid 4093] <... openat resumed>) = 3 [pid 4093] write(3, "1000", 4) = 4 [pid 4093] close(3) = 0 [pid 4093] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4093] write(1, "executing program\n", 18) = 18 [pid 4093] mkdirat(AT_FDCWD, "./config", 0777 [pid 4092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4094 executing program [pid 307] getdents64(3 [pid 4093] <... mkdirat resumed>) = 0 [pid 4092] <... openat resumed>) = 3 [pid 310] umount2("./779", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4092] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4093] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] openat(AT_FDCWD, "./779", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 4092] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 307] rmdir("./744" [pid 4092] close(3 [pid 310] fstat(3 [pid 4093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 4093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] mkdir("./745", 0777 [pid 4092] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 4093] <... mkdirat resumed>) = 0 [pid 4093] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... mkdir resumed>) = 0 [pid 4093] <... symlinkat resumed>) = 0 [pid 4092] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./779/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./779/binderfs" [pid 4093] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4093] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4093] exit_group(0) = ? [pid 4093] +++ exited with 0 +++ [pid 4092] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4094 attached [pid 4092] write(1, "executing program\n", 18 [pid 310] unlink("./779/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4095 [pid 4094] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4094] rt_sigprocmask(SIG_SETMASK, [] [pid 4092] <... write resumed>) = 18 [pid 310] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4094] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4094] chdir("./719" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4094] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./779/config" [pid 4094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4094] <... prctl resumed>) = 0 [pid 310] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4094] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4094] <... setpgid resumed>) = 0 [pid 310] openat(AT_FDCWD, "./779/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 4 [pid 4092] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] fstat(4 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 4092] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4094] <... openat resumed>) = 3 executing program [pid 4092] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(4 [pid 308] umount2("./773", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 308] openat(AT_FDCWD, "./773", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 4094] write(3, "1000", 4 [pid 310] rmdir("./779/config" [pid 308] <... openat resumed>) = 3 [pid 4092] <... mount resumed>) = 0 [pid 4094] <... write resumed>) = 4 [pid 4094] close(3) = 0 [pid 4094] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4092] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 310] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4092] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4092] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(3 [pid 4094] write(1, "executing program\n", 18) = 18 [pid 310] close(3 [pid 4094] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 executing program [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4092] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./779" [pid 308] umount2("./773/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4094] <... mkdirat resumed>) = 0 [pid 4092] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./780", 0777 [pid 308] newfstatat(AT_FDCWD, "./773/binderfs" [pid 4094] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-6-1/strace-static-x86_64: Process 4095 attached ) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] unlink("./773/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4095] set_robust_list(0x55556c898760, 24 [pid 4094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... unlink resumed>) = 0 [pid 4092] <... mkdirat resumed>) = 0 [pid 4095] <... set_robust_list resumed>) = 0 [pid 4094] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4095] rt_sigprocmask(SIG_SETMASK, [] [pid 4094] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4095] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4094] <... symlinkat resumed>) = 0 [pid 4095] chdir("./745" [pid 4094] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4092] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4096 [pid 4095] <... chdir resumed>) = 0 [pid 4094] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4094] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4095] <... prctl resumed>) = 0 [pid 4094] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4092] <... symlinkat resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4092] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] newfstatat(AT_FDCWD, "./773/config" [pid 4095] setpgid(0, 0 [pid 4094] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4092] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4095] <... setpgid resumed>) = 0 [pid 4094] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4092] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] openat(AT_FDCWD, "./773/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4094] +++ exited with 0 +++ [pid 4092] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4092] exit_group(0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(4 [pid 4092] <... exit_group resumed>) = ? [pid 4095] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4095] write(3, "1000", 4 [pid 308] getdents64(4 [pid 4095] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4095] close(3 [pid 308] close(4 [pid 4095] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4095] symlink("/dev/binderfs", "./binderfs" [pid 308] rmdir("./773/config" [pid 4095] <... symlink resumed>) = 0 [pid 4095] write(1, "executing program\n", 18) = 18 [pid 308] <... rmdir resumed>) = 0 [pid 4095] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] getdents64(3 [pid 4095] <... mkdirat resumed>) = 0 [pid 4092] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4095] mount(NULL, "./config", "configfs", 0, NULL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... close resumed>) = 0 executing program [pid 4095] <... mount resumed>) = 0 [pid 308] rmdir("./773" [pid 4095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] mkdir("./774", 0777 [pid 4095] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] umount2("./763", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4095] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4095] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./719", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./763", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 4096 attached [pid 4095] exit_group(0 [pid 309] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./719", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4096] set_robust_list(0x55556c898760, 24 [pid 4095] <... exit_group resumed>) = ? [pid 4096] <... set_robust_list resumed>) = 0 [pid 4095] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 4096] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4097 [pid 306] fstat(3 [pid 4096] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./763/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./763/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4096] chdir("./780" [pid 309] unlink("./763/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4096] <... chdir resumed>) = 0 [pid 4096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4096] setpgid(0, 0) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] umount2("./719/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./719/binderfs" [pid 309] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4096] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 309] newfstatat(AT_FDCWD, "./763/config" [pid 307] umount2("./745", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./719/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4096] write(3, "1000", 4) = 4 [pid 4096] close(3) = 0 [pid 4096] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4096] write(1, "executing program\n", 18) = 18 [pid 306] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./745", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 4096] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] openat(AT_FDCWD, "./763/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 306] <... umount2 resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(4 [pid 306] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 309] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4097 attached [pid 4096] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] newfstatat(AT_FDCWD, "./719/config" [pid 309] getdents64(4 [pid 307] umount2("./745/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./719/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./745/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./763/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./719/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4096] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4096] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 307] unlink("./745/binderfs" [pid 309] getdents64(3 [pid 306] <... openat resumed>) = 4 [pid 4096] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4096] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... unlink resumed>) = 0 [pid 306] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4096] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = 0 [pid 306] getdents64(4 [pid 4096] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4096] <... mkdirat resumed>) = 0 [pid 309] rmdir("./763" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4096] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4096] <... symlinkat resumed>) = 0 [pid 4096] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4096] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./745/config" [pid 4096] <... unlinkat resumed>) = 0 [pid 309] mkdir("./764", 0777 [pid 4096] exit_group(0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4096] <... exit_group resumed>) = ? [pid 4097] set_robust_list(0x55556c898760, 24 [pid 4096] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./745/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] fstat(4 [pid 306] rmdir("./719/config" [pid 4097] <... set_robust_list resumed>) = 0 [pid 4097] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4097] chdir("./774") = 0 [pid 4097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4097] setpgid(0, 0) = 0 [pid 4097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4097] write(3, "1000", 4 [pid 306] <... rmdir resumed>) = 0 [pid 310] umount2("./780", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4098 [pid 306] getdents64(3 [pid 310] openat(AT_FDCWD, "./780", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 4097] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 306] close(3 [pid 310] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 4097] close(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rmdir("./719" [pid 307] close(4 [pid 310] umount2("./780/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4097] <... close resumed>) = 0 [pid 4097] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./780/binderfs" [pid 307] <... close resumed>) = 0 [pid 306] mkdir("./720", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./745/config" [pid 4097] write(1, "executing program\n", 18) = 18 [pid 4097] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] unlink("./780/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4097] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 307] close(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 4097] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4097] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./745" [pid 310] newfstatat(AT_FDCWD, "./780/config" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4099 [pid 4097] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4097] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-6-1/strace-static-x86_64: Process 4098 attached ) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4098] set_robust_list(0x55556c898760, 24 [pid 4097] exit_group(0 [pid 310] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./746", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4098] <... set_robust_list resumed>) = 0 [pid 4097] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4099 attached [pid 4098] rt_sigprocmask(SIG_SETMASK, [] [pid 4097] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./780/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... mkdir resumed>) = 0 [pid 4098] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] fstat(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4098] chdir("./764" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(4 [pid 4098] <... chdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./774", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4098] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4098] setpgid(0, 0) = 0 [pid 4098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4099] set_robust_list(0x55556c898760, 24 [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4100 attached [pid 4099] <... set_robust_list resumed>) = 0 [pid 4098] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./774", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4100 [pid 310] close(4 [pid 308] <... openat resumed>) = 3 [pid 4099] rt_sigprocmask(SIG_SETMASK, [] [pid 4098] <... write resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 308] fstat(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./780/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4098] close(3 [pid 4099] chdir("./720" [pid 4098] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] getdents64(3 [pid 4099] <... chdir resumed>) = 0 [pid 4098] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./774/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./774/binderfs" [pid 310] rmdir("./780" [pid 4099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4098] <... symlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] unlink("./774/binderfs" [pid 310] mkdir("./781", 0777 [pid 4099] <... prctl resumed>) = 0 [pid 4098] write(1, "executing program\n", 18 [pid 4099] setpgid(0, 0 [pid 4098] <... write resumed>) = 18 [pid 308] <... unlink resumed>) = 0 [pid 4099] <... setpgid resumed>) = 0 executing program [pid 4098] mkdirat(AT_FDCWD, "./config", 0777 [pid 4099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4098] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4099] <... openat resumed>) = 3 [pid 4098] mount(NULL, "./config", "configfs", 0, NULL [pid 4099] write(3, "1000", 4 [pid 4098] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4099] <... write resumed>) = 4 [pid 4098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4099] close(3 [pid 4098] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4099] <... close resumed>) = 0 [pid 4098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4099] symlink("/dev/binderfs", "./binderfs" [pid 4098] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4100] set_robust_list(0x55556c898760, 24 [pid 4099] <... symlink resumed>) = 0 [pid 4098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4101 attached [pid 4100] <... set_robust_list resumed>) = 0 [pid 4099] write(1, "executing program\n", 18 [pid 4098] <... mkdirat resumed>) = 0 executing program [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4101 [pid 4100] rt_sigprocmask(SIG_SETMASK, [] [pid 4099] <... write resumed>) = 18 [pid 4098] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4100] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4099] mkdirat(AT_FDCWD, "./config", 0777 [pid 4098] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] newfstatat(AT_FDCWD, "./774/config" [pid 4101] set_robust_list(0x55556c898760, 24 [pid 4100] chdir("./746" [pid 4099] <... mkdirat resumed>) = 0 [pid 4098] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4100] <... chdir resumed>) = 0 [pid 4099] mount(NULL, "./config", "configfs", 0, NULL [pid 4101] <... set_robust_list resumed>) = 0 [pid 4098] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4099] <... mount resumed>) = 0 [pid 4098] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4100] <... prctl resumed>) = 0 [pid 4099] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4098] <... unlinkat resumed>) = 0 [pid 4100] setpgid(0, 0 [pid 4099] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4098] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4100] <... setpgid resumed>) = 0 [pid 4099] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4098] <... exit_group resumed>) = ? [pid 308] openat(AT_FDCWD, "./774/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4101] rt_sigprocmask(SIG_SETMASK, [] [pid 4100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4099] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4098] +++ exited with 0 +++ [pid 4100] <... openat resumed>) = 3 [pid 4099] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... openat resumed>) = 4 [pid 4101] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4100] write(3, "1000", 4 [pid 4099] <... mkdirat resumed>) = 0 [pid 308] fstat(4 [pid 4100] <... write resumed>) = 4 [pid 4099] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4100] close(3 [pid 4099] <... symlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4100] <... close resumed>) = 0 [pid 4099] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4100] symlink("/dev/binderfs", "./binderfs" [pid 4099] <... unlinkat resumed>) = 0 [pid 309] umount2("./764", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 4100] <... symlink resumed>) = 0 [pid 4099] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4100] write(1, "executing program\n", 18 [pid 4099] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4100] <... write resumed>) = 18 executing program [pid 4099] exit_group(0 [pid 4100] mkdirat(AT_FDCWD, "./config", 0777 [pid 4099] <... exit_group resumed>) = ? [pid 309] openat(AT_FDCWD, "./764", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 4101] chdir("./781" [pid 4100] <... mkdirat resumed>) = 0 [pid 4099] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] close(4 [pid 309] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 308] rmdir("./774/config" [pid 4100] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4100] <... mount resumed>) = 0 [pid 4100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 309] umount2("./764/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./764/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(3 [pid 4101] <... chdir resumed>) = 0 [pid 4100] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./764/binderfs" [pid 306] umount2("./720", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 4100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] rmdir("./774" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4100] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4100] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./720", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4100] <... unlinkat resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = 0 [pid 308] mkdir("./775", 0777 [pid 309] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 4100] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4100] exit_group(0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./764/config" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./720/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4100] <... exit_group resumed>) = ? [pid 4100] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./764/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4102 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] newfstatat(AT_FDCWD, "./720/binderfs" [pid 309] <... openat resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4102 attached [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] unlink("./720/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4102] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 306] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4102] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4102] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 306] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./720/config" [pid 309] rmdir("./764/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4102] chdir("./775") = 0 [pid 4102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./720/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./720/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 4102] <... prctl resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 306] fstat(4 [pid 309] rmdir("./764" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4102] setpgid(0, 0) = 0 [pid 4102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 309] mkdir("./765", 0777 [pid 4102] write(3, "1000", 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4102] <... write resumed>) = 4 [pid 4102] close(3) = 0 [pid 4102] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4102] write(1, "executing program\n", 18 [pid 306] <... close resumed>) = 0 [pid 4102] <... write resumed>) = 18 [pid 4102] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] rmdir("./720/config" [pid 4102] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 4102] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 306] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4103 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4102] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... close resumed>) = 0 [pid 4102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] rmdir("./720" [pid 4102] <... mkdirat resumed>) = 0 [pid 4102] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4102] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] mkdir("./721", 0777 [pid 4102] <... unlinkat resumed>) = 0 [pid 4102] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4102] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4102] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4102] +++ exited with 0 +++ [pid 4101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4103 attached [pid 4103] set_robust_list(0x55556c898760, 24) = 0 [pid 4103] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4103] chdir("./765") = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4104 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4103] <... prctl resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4103] setpgid(0, 0) = 0 [pid 4103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4101] <... prctl resumed>) = 0 [pid 4101] setpgid(0, 0 [pid 4103] <... openat resumed>) = 3 [pid 4103] write(3, "1000", 4) = 4 [pid 4103] close(3) = 0 [pid 4103] symlink("/dev/binderfs", "./binderfs" [pid 4101] <... setpgid resumed>) = 0 [pid 4103] <... symlink resumed>) = 0 [pid 4103] write(1, "executing program\n", 18 [pid 4101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4103] <... write resumed>) = 18 [pid 4103] mkdirat(AT_FDCWD, "./config", 0777 [pid 4101] <... openat resumed>) = 3 executing program [pid 4103] <... mkdirat resumed>) = 0 [pid 4101] write(3, "1000", 4 [pid 4103] mount(NULL, "./config", "configfs", 0, NULL [pid 4101] <... write resumed>) = 4 [pid 4103] <... mount resumed>) = 0 [pid 4101] close(3 [pid 4103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4101] <... close resumed>) = 0 [pid 4103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4101] symlink("/dev/binderfs", "./binderfs" [pid 4103] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4103] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4103] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4101] <... symlink resumed>) = 0 [pid 4103] <... unlinkat resumed>) = 0 [pid 4101] write(1, "executing program\n", 18 [pid 4103] exit_group(0) = ? executing program [pid 4101] <... write resumed>) = 18 [pid 4101] mkdirat(AT_FDCWD, "./config", 0777 [pid 4103] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4104 attached [pid 307] umount2("./746", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4104] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4104] <... set_robust_list resumed>) = 0 [pid 307] openat(AT_FDCWD, "./746", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4101] <... mkdirat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 4101] mount(NULL, "./config", "configfs", 0, NULL [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 4104] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4101] <... mount resumed>) = 0 [pid 307] umount2("./746/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4104] chdir("./721" [pid 4101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./746/binderfs" [pid 4101] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] unlink("./746/binderfs" [pid 4104] <... chdir resumed>) = 0 [pid 4104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4104] setpgid(0, 0 [pid 307] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4104] <... setpgid resumed>) = 0 [pid 4104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4104] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./775", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./746/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./775", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 307] openat(AT_FDCWD, "./746/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 4 [pid 308] getdents64(3 [pid 307] fstat(4 [pid 4104] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./775/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4104] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] newfstatat(AT_FDCWD, "./775/binderfs" [pid 4101] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] unlink("./775/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4104] close(3) = 0 [pid 4104] symlink("/dev/binderfs", "./binderfs" [pid 308] <... unlink resumed>) = 0 [pid 307] close(4 [pid 308] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 4104] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] rmdir("./746/config" [pid 4101] <... mkdirat resumed>) = 0 [pid 308] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4104] write(1, "executing program\n", 18) = 18 [pid 4104] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 4101] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./775/config" [pid 307] getdents64(3 [pid 4104] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4101] <... symlinkat resumed>) = 0 [pid 307] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] openat(AT_FDCWD, "./775/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 4101] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... openat resumed>) = 4 [pid 307] rmdir("./746" [pid 308] fstat(4 [pid 4104] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4101] <... unlinkat resumed>) = 0 [pid 307] mkdir("./747", 0777 [pid 4101] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(4 [pid 4104] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4104] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4104] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] close(4 [pid 309] umount2("./765", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 4101] <... unlinkat resumed>) = 0 [pid 4101] exit_group(0) = ? [pid 309] openat(AT_FDCWD, "./765", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./775/config" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4105 ci2-android-6-1/strace-static-x86_64: Process 4105 attached [pid 4105] set_robust_list(0x55556c898760, 24 [pid 4104] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4101] +++ exited with 0 +++ [pid 309] <... openat resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4105] <... set_robust_list resumed>) = 0 [pid 309] fstat(3 [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 308] close(3 [pid 4105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4104] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... close resumed>) = 0 [pid 309] umount2("./765/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./775" [pid 4105] chdir("./747" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4104] <... exit_group resumed>) = ? [pid 4105] <... chdir resumed>) = 0 [pid 4104] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./765/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 4105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4105] <... prctl resumed>) = 0 [pid 308] mkdir("./776", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4105] setpgid(0, 0 [pid 309] unlink("./765/binderfs" [pid 4105] <... setpgid resumed>) = 0 [pid 4105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 [pid 4105] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4105] write(3, "1000", 4 [pid 309] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4105] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4105] close(3 [pid 309] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4105] <... close resumed>) = 0 [pid 4105] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 4106 attached ) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4106] set_robust_list(0x55556c898760, 24 [pid 309] newfstatat(AT_FDCWD, "./765/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4106 [pid 4106] <... set_robust_list resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4105] write(1, "executing program\n", 18 [pid 309] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4106] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4106] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./765/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4106] chdir("./776" [pid 4105] <... write resumed>) = 18 [pid 309] <... openat resumed>) = 4 executing program [pid 4106] <... chdir resumed>) = 0 [pid 4105] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] fstat(4 [pid 4106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4106] <... prctl resumed>) = 0 [pid 309] getdents64(4 [pid 4106] setpgid(0, 0) = 0 [pid 4105] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4105] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(4 [pid 4106] <... openat resumed>) = 3 [pid 4105] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4106] write(3, "1000", 4) = 4 [pid 4105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] close(4 [pid 4106] close(3) = 0 [pid 4105] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 4106] symlink("/dev/binderfs", "./binderfs" [pid 309] rmdir("./765/config" [pid 4105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 4106] <... symlink resumed>) = 0 [pid 4105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(3 executing program [pid 4106] write(1, "executing program\n", 18) = 18 [pid 4105] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4106] mkdirat(AT_FDCWD, "./config", 0777 [pid 4105] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] close(3 [pid 4105] <... symlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4106] <... mkdirat resumed>) = 0 [pid 4105] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rmdir("./765" [pid 4105] <... unlinkat resumed>) = 0 [pid 4105] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rmdir resumed>) = 0 [pid 4106] mount(NULL, "./config", "configfs", 0, NULL [pid 4105] <... unlinkat resumed>) = 0 [pid 309] mkdir("./766", 0777 [pid 4105] exit_group(0) = ? [pid 4106] <... mount resumed>) = 0 [pid 4105] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4106] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./781", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4106] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 4107 attached ) = 0 [pid 310] openat(AT_FDCWD, "./781", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... restart_syscall resumed>) = 0 [pid 4107] set_robust_list(0x55556c898760, 24 [pid 4106] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4107 [pid 4107] <... set_robust_list resumed>) = 0 [pid 310] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4107] rt_sigprocmask(SIG_SETMASK, [] [pid 4106] <... symlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4107] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4106] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3 [pid 307] umount2("./747", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4107] chdir("./766" [pid 4106] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4107] <... chdir resumed>) = 0 [pid 310] umount2("./781/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] openat(AT_FDCWD, "./747", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4107] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4107] setpgid(0, 0 [pid 307] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./781/binderfs" [pid 4107] <... setpgid resumed>) = 0 [pid 307] fstat(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4106] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] unlink("./781/binderfs" [pid 4107] <... openat resumed>) = 3 [pid 4106] <... unlinkat resumed>) = 0 [pid 307] getdents64(3 [pid 4107] write(3, "1000", 4 [pid 4106] exit_group(0 [pid 310] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4107] <... write resumed>) = 4 [pid 4106] <... exit_group resumed>) = ? [pid 310] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./747/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./721", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4107] close(3 [pid 4106] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4107] <... close resumed>) = 0 [pid 310] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./747/binderfs" [pid 306] openat(AT_FDCWD, "./721", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4107] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./781/config" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] unlink("./747/binderfs" [pid 306] fstat(3 [pid 4107] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4107] write(1, "executing program\n", 18 [pid 310] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... unlink resumed>) = 0 executing program [pid 306] getdents64(3 [pid 4107] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] openat(AT_FDCWD, "./781/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./721/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4107] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./776", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./721/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./776", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./747/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4107] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./721/binderfs" [pid 4107] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(3 [pid 307] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 4107] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4107] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 307] openat(AT_FDCWD, "./747/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = 0 [pid 310] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4107] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 308] umount2("./776/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4107] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./781/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./721/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4107] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./776/binderfs" [pid 307] getdents64(4 [pid 306] umount2("./721/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4107] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] unlink("./776/binderfs" [pid 307] getdents64(4 [pid 306] openat(AT_FDCWD, "./721/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4107] <... mkdirat resumed>) = 0 [pid 310] close(3 [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 4 [pid 4107] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 308] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(4 [pid 306] fstat(4 [pid 310] rmdir("./781" [pid 308] <... umount2 resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 4107] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./747/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4107] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] mkdir("./782", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./776/config" [pid 307] getdents64(3 [pid 306] close(4 [pid 4107] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 4107] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 306] rmdir("./721/config" [pid 4107] <... unlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 308] openat(AT_FDCWD, "./776/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rmdir("./747" [pid 306] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] rmdir("./721"ci2-android-6-1/strace-static-x86_64: Process 4108 attached [pid 4107] exit_group(0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4108 [pid 308] fstat(4 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4108] set_robust_list(0x55556c898760, 24 [pid 4107] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] mkdir("./748", 0777 [pid 306] mkdir("./722", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(4 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4108] <... set_robust_list resumed>) = 0 [pid 4107] +++ exited with 0 +++ [pid 308] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4110 attached [pid 4108] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4107, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] close(4 [pid 4110] set_robust_list(0x55556c898760, 24 [pid 4108] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4110 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4109 [pid 4110] <... set_robust_list resumed>) = 0 [pid 4108] chdir("./782" [pid 308] rmdir("./776/config" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4108] <... chdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4110] rt_sigprocmask(SIG_SETMASK, [] [pid 4108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4110] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4108] <... prctl resumed>) = 0 [pid 308] getdents64(3 [pid 4108] setpgid(0, 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4108] <... setpgid resumed>) = 0 [pid 308] close(3 [pid 4108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4110] chdir("./748" [pid 308] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4109 attached [pid 4108] <... openat resumed>) = 3 [pid 308] rmdir("./776" [pid 4110] <... chdir resumed>) = 0 [pid 4108] write(3, "1000", 4 [pid 4109] set_robust_list(0x55556c898760, 24 [pid 308] <... rmdir resumed>) = 0 [pid 4110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4108] <... write resumed>) = 4 [pid 4110] <... prctl resumed>) = 0 [pid 308] mkdir("./777", 0777 [pid 4110] setpgid(0, 0 [pid 4108] close(3 [pid 4109] <... set_robust_list resumed>) = 0 [pid 4109] rt_sigprocmask(SIG_SETMASK, [] [pid 4110] <... setpgid resumed>) = 0 [pid 4108] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4108] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4109] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4108] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4108] write(1, "executing program\n", 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4110] <... openat resumed>) = 3 [pid 4109] chdir("./722") = 0 [pid 4109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4109] setpgid(0, 0 [pid 4110] write(3, "1000", 4 [pid 4108] <... write resumed>) = 18 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4111 executing program [pid 4109] <... setpgid resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4110] <... write resumed>) = 4 [pid 4108] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4110] close(3 [pid 4109] <... openat resumed>) = 3 [pid 4108] <... mkdirat resumed>) = 0 [pid 4110] <... close resumed>) = 0 [pid 4108] mount(NULL, "./config", "configfs", 0, NULL [pid 4110] symlink("/dev/binderfs", "./binderfs" [pid 4108] <... mount resumed>) = 0 [pid 4108] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4110] <... symlink resumed>) = 0 [pid 4109] write(3, "1000", 4 [pid 4108] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4110] write(1, "executing program\n", 18 [pid 4108] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4110] <... write resumed>) = 18 [pid 4108] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4108] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 4110] mkdirat(AT_FDCWD, "./config", 0777 [pid 4109] <... write resumed>) = 4 [pid 4108] <... mkdirat resumed>) = 0 [pid 4108] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4109] close(3 [pid 4108] <... symlinkat resumed>) = 0 [pid 4108] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4110] <... mkdirat resumed>) = 0 [pid 4110] mount(NULL, "./config", "configfs", 0, NULL [pid 4108] <... unlinkat resumed>) = 0 [pid 4108] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4110] <... mount resumed>) = 0 [pid 4110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4108] <... unlinkat resumed>) = 0 [pid 4108] exit_group(0 [pid 4110] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4108] <... exit_group resumed>) = ? [pid 4110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4108] +++ exited with 0 +++ [pid 4110] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... restart_syscall resumed>) = 0 [pid 4109] <... close resumed>) = 0 [pid 4110] <... mkdirat resumed>) = 0 [pid 4110] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4109] symlink("/dev/binderfs", "./binderfs" [pid 4110] <... symlinkat resumed>) = 0 [pid 4109] <... symlink resumed>) = 0 [pid 309] umount2("./766", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4110] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4109] write(1, "executing program\n", 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./766", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4110] <... unlinkat resumed>) = 0 [pid 4109] <... write resumed>) = 18 [pid 309] <... openat resumed>) = 3 executing program [pid 4110] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4109] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./782", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./782", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4110] <... unlinkat resumed>) = 0 [pid 4109] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 310] fstat(3 [pid 4109] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4110] exit_group(0 [pid 310] getdents64(3 [pid 4110] <... exit_group resumed>) = ? [pid 309] umount2("./766/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4109] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./782/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./766/binderfs" [pid 4109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4110] +++ exited with 0 +++ [pid 4109] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./782/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./766/binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4109] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 4109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] unlink("./782/binderfs" [pid 309] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4109] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4109] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./748", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4109] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./766/config" [pid 307] openat(AT_FDCWD, "./748", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./782/config" [pid 307] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 310] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./766/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./782/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 309] <... openat resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 4109] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(4 [pid 309] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4109] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 307] umount2("./748/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4111 attached [pid 4109] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4111] set_robust_list(0x55556c898760, 24) = 0 [pid 4109] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] newfstatat(AT_FDCWD, "./748/binderfs" [pid 4109] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4111] rt_sigprocmask(SIG_SETMASK, [] [pid 4109] <... exit_group resumed>) = ? [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] unlink("./748/binderfs" [pid 4111] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4109] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 4111] chdir("./777" [pid 310] rmdir("./782/config" [pid 309] close(4 [pid 307] <... unlink resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4111] <... chdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4111] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4111] <... prctl resumed>) = 0 [pid 310] getdents64(3 [pid 4111] setpgid(0, 0 [pid 309] rmdir("./766/config" [pid 4111] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./782" [pid 309] close(3 [pid 307] newfstatat(AT_FDCWD, "./748/config" [pid 4111] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./783", 0777 [pid 309] rmdir("./766" [pid 307] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4111] write(3, "1000", 4) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 4111] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4111] <... close resumed>) = 0 [pid 4111] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./748/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] mkdir("./767", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 4 [pid 4111] <... symlink resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] fstat(4 executing program [pid 4111] write(1, "executing program\n", 18) = 18 ci2-android-6-1/strace-static-x86_64: Process 4112 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4112 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4112] set_robust_list(0x55556c898760, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 4112] <... set_robust_list resumed>) = 0 [pid 4111] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4112] rt_sigprocmask(SIG_SETMASK, [] [pid 4111] <... mkdirat resumed>) = 0 [pid 4111] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] getdents64(4 [pid 4112] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4113 [pid 4111] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4112] chdir("./783" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4112] <... chdir resumed>) = 0 [pid 307] close(4 [pid 4112] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... close resumed>) = 0 [pid 4112] setpgid(0, 0 [pid 307] rmdir("./748/config" [pid 4112] <... setpgid resumed>) = 0 [pid 4111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 4112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4111] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... restart_syscall resumed>) = 0 [pid 4112] <... openat resumed>) = 3 [pid 4111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] getdents64(3 [pid 4112] write(3, "1000", 4 [pid 4111] <... mkdirat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4112] <... write resumed>) = 4 [pid 4111] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] close(3 [pid 306] umount2("./722", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4112] close(3 [pid 4111] <... symlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4112] <... close resumed>) = 0 [pid 4111] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] rmdir("./748" [pid 306] openat(AT_FDCWD, "./722", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4112] symlink("/dev/binderfs", "./binderfs" [pid 4111] <... unlinkat resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4111] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 4112] <... symlink resumed>) = 0 [pid 4111] <... unlinkat resumed>) = 0 [pid 307] mkdir("./749", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4112] write(1, "executing program\n", 18 [pid 4111] exit_group(0 [pid 306] getdents64(3 [pid 4112] <... write resumed>) = 18 [pid 4111] <... exit_group resumed>) = ? [pid 307] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 4112] mkdirat(AT_FDCWD, "./config", 0777 [pid 4111] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./722/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4112] <... mkdirat resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./722/binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./722/binderfs") = 0 [pid 306] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4114 attached [pid 4112] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4114 [pid 306] <... umount2 resumed>) = 0 [pid 4112] <... mount resumed>) = 0 [pid 4114] set_robust_list(0x55556c898760, 24 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4114] <... set_robust_list resumed>) = 0 [pid 4112] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4112] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./777", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./722/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4114] rt_sigprocmask(SIG_SETMASK, [] [pid 4112] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./722/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4114] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4112] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./777", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4114] chdir("./749" [pid 4112] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./722/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4114] <... chdir resumed>) = 0 [pid 308] fstat(3 [pid 306] <... openat resumed>) = 4 [pid 4114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4112] <... mkdirat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(4ci2-android-6-1/strace-static-x86_64: Process 4113 attached [pid 4114] <... prctl resumed>) = 0 [pid 4112] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4114] setpgid(0, 0 [pid 4113] set_robust_list(0x55556c898760, 24 [pid 4112] <... symlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(4 [pid 4114] <... setpgid resumed>) = 0 [pid 4113] <... set_robust_list resumed>) = 0 [pid 4112] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./777/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4113] rt_sigprocmask(SIG_SETMASK, [] [pid 4112] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 4114] <... openat resumed>) = 3 [pid 4113] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4112] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] newfstatat(AT_FDCWD, "./777/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4114] write(3, "1000", 4 [pid 4113] chdir("./767" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(4 [pid 4114] <... write resumed>) = 4 [pid 4113] <... chdir resumed>) = 0 [pid 4112] <... unlinkat resumed>) = 0 [pid 308] unlink("./777/binderfs" [pid 306] <... close resumed>) = 0 [pid 4114] close(3 [pid 4113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... unlink resumed>) = 0 [pid 306] rmdir("./722/config" [pid 4112] exit_group(0 [pid 4114] <... close resumed>) = 0 [pid 4113] <... prctl resumed>) = 0 [pid 308] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4114] symlink("/dev/binderfs", "./binderfs" [pid 4113] setpgid(0, 0 [pid 4112] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = 0 [pid 306] getdents64(3 [pid 4113] <... setpgid resumed>) = 0 [pid 308] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 4114] <... symlink resumed>) = 0 [pid 4113] <... openat resumed>) = 3 [pid 4112] +++ exited with 0 +++ [pid 308] newfstatat(AT_FDCWD, "./777/config" [pid 306] <... close resumed>) = 0 [pid 4114] write(1, "executing program\n", 18 [pid 4113] write(3, "1000", 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 306] rmdir("./722" [pid 4114] <... write resumed>) = 18 [pid 4113] <... write resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4114] mkdirat(AT_FDCWD, "./config", 0777 [pid 4113] close(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./723", 0777 [pid 4114] <... mkdirat resumed>) = 0 [pid 4113] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./777/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 [pid 4114] mount(NULL, "./config", "configfs", 0, NULL [pid 4113] symlink("/dev/binderfs", "./binderfs" [pid 308] <... openat resumed>) = 4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4114] <... mount resumed>) = 0 [pid 4113] <... symlink resumed>) = 0 [pid 308] fstat(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4113] write(1, "executing program\n", 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4115 attached [pid 4114] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4113] <... write resumed>) = 18 executing program [pid 308] getdents64(4 [pid 4115] set_robust_list(0x55556c898760, 24 [pid 4114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4113] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4115 [pid 4115] <... set_robust_list resumed>) = 0 [pid 4114] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4113] <... mkdirat resumed>) = 0 [pid 308] getdents64(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4115] rt_sigprocmask(SIG_SETMASK, [] [pid 4114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4113] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4115] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4114] <... mkdirat resumed>) = 0 [pid 4113] <... mount resumed>) = 0 [pid 308] close(4 [pid 4115] chdir("./723" [pid 4114] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4113] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... close resumed>) = 0 [pid 4114] <... symlinkat resumed>) = 0 [pid 4113] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4115] <... chdir resumed>) = 0 [pid 4114] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4113] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] rmdir("./777/config" [pid 4115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4114] <... unlinkat resumed>) = 0 [pid 4113] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4113] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 4115] <... prctl resumed>) = 0 [pid 4114] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4113] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4115] setpgid(0, 0 [pid 4114] <... unlinkat resumed>) = 0 [pid 4113] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] getdents64(3 [pid 4115] <... setpgid resumed>) = 0 [pid 4114] exit_group(0 [pid 4113] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4114] <... exit_group resumed>) = ? [pid 4113] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4113] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 308] close(3 [pid 4113] exit_group(0) = ? [pid 308] <... close resumed>) = 0 [pid 4115] <... openat resumed>) = 3 [pid 4114] +++ exited with 0 +++ [pid 4113] +++ exited with 0 +++ [pid 4115] write(3, "1000", 4 [pid 308] rmdir("./777" [pid 4115] <... write resumed>) = 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 308] mkdir("./778", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4115] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./783", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./767", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] openat(AT_FDCWD, "./783", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./749", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4115] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./767", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4116 [pid 307] openat(AT_FDCWD, "./749", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./749/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 307] newfstatat(AT_FDCWD, "./749/binderfs" [pid 309] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./749/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4116 attached [pid 4115] symlink("/dev/binderfs", "./binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 307] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./749/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./749/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./749/config" [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 4115] <... symlink resumed>) = 0 [pid 310] umount2("./783/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... close resumed>) = 0 [pid 4115] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./767/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 307] rmdir("./749" [pid 4116] set_robust_list(0x55556c898760, 24 [pid 4115] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./783/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./767/binderfs" [pid 307] mkdir("./750", 0777 [pid 4116] <... set_robust_list resumed>) = 0 [pid 4115] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] unlink("./783/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./767/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4115] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4117 [pid 4115] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./783/config" [pid 309] newfstatat(AT_FDCWD, "./767/config"ci2-android-6-1/strace-static-x86_64: Process 4117 attached [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4115] <... mount resumed>) = 0 [pid 310] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./783/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4115] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./767/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 4 [pid 4117] set_robust_list(0x55556c898760, 24) = 0 [pid 4117] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 4115] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 4117] chdir("./750" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4117] <... chdir resumed>) = 0 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4117] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] close(4 [pid 4115] <... mkdirat resumed>) = 0 [pid 310] rmdir("./783/config" [pid 4115] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... close resumed>) = 0 [pid 4117] setpgid(0, 0) = 0 [pid 4117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./767/config" [pid 4117] <... openat resumed>) = 3 [pid 4117] write(3, "1000", 4 [pid 309] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 4117] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4115] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 310] close(3 [pid 4117] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4115] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 309] close(3 [pid 310] rmdir("./783" [pid 4115] <... unlinkat resumed>) = 0 [pid 4117] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4117] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4115] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./767" [pid 310] mkdir("./784", 0777 [pid 4117] write(1, "executing program\n", 18) = 18 [pid 4117] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4117] mount(NULL, "./config", "configfs", 0, NULL [pid 4115] <... unlinkat resumed>) = 0 [pid 309] mkdir("./768", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4117] <... mount resumed>) = 0 [pid 4117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4115] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4115] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4118 [pid 4117] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4117] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4117] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4117] exit_group(0 [pid 4115] +++ exited with 0 +++ executing program [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4117] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4119 attached [pid 4117] +++ exited with 0 +++ [pid 4116] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4119 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4118 attached [pid 4118] set_robust_list(0x55556c898760, 24) = 0 [pid 4118] rt_sigprocmask(SIG_SETMASK, [] [pid 4116] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4118] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4118] chdir("./784") = 0 [pid 4116] chdir("./778" [pid 4118] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4118] setpgid(0, 0) = 0 [pid 4118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4116] <... chdir resumed>) = 0 [pid 4118] <... openat resumed>) = 3 [pid 4118] write(3, "1000", 4) = 4 [pid 4118] close(3) = 0 [pid 4118] symlink("/dev/binderfs", "./binderfs" [pid 4116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4119] set_robust_list(0x55556c898760, 24 [pid 4118] <... symlink resumed>) = 0 executing program [pid 4118] write(1, "executing program\n", 18) = 18 [pid 4118] mkdirat(AT_FDCWD, "./config", 0777 [pid 4116] <... prctl resumed>) = 0 [pid 4119] <... set_robust_list resumed>) = 0 [pid 4118] <... mkdirat resumed>) = 0 [pid 4118] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4116] setpgid(0, 0 [pid 4118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4118] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4118] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4118] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4116] <... setpgid resumed>) = 0 [pid 4118] exit_group(0 [pid 4116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4118] <... exit_group resumed>) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./750", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./750", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./750/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./750/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./750/binderfs" [pid 4116] <... openat resumed>) = 3 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 307] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4116] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./750/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./750/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./750/config" [pid 4116] <... write resumed>) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 4116] close(3 [pid 4119] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 4116] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4119] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4116] symlink("/dev/binderfs", "./binderfs" [pid 307] close(3) = 0 [pid 307] rmdir("./750" [pid 4116] <... symlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4119] chdir("./768" [pid 4116] write(1, "executing program\n", 18 [pid 307] mkdir("./751", 0777 [pid 4119] <... chdir resumed>) = 0 [pid 4116] <... write resumed>) = 18 [pid 307] <... mkdir resumed>) = 0 [pid 4119] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4119] <... prctl resumed>) = 0 [pid 4116] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4119] setpgid(0, 0 [pid 4116] <... mkdirat resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4120 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4119] <... setpgid resumed>) = 0 [pid 4116] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./723", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4116] <... mount resumed>) = 0 [pid 306] openat(AT_FDCWD, "./723", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... openat resumed>) = 3 [pid 4116] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] fstat(3 [pid 4119] <... openat resumed>) = 3 [pid 4116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4119] write(3, "1000", 4 [pid 4116] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(3 [pid 4119] <... write resumed>) = 4 [pid 4116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 4120 attached [pid 306] umount2("./723/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4120] set_robust_list(0x55556c898760, 24 [pid 4119] close(3 [pid 4118] +++ exited with 0 +++ [pid 4116] <... mkdirat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./723/binderfs" [pid 4116] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4119] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./723/binderfs" [pid 4119] symlink("/dev/binderfs", "./binderfs" [pid 4116] <... symlinkat resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4116] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./784", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4116] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 4119] <... symlink resumed>) = 0 [pid 4116] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./784", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./723/config" [pid 4119] write(1, "executing program\n", 18 [pid 4116] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 306] umount2("./723/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4119] <... write resumed>) = 18 [pid 4116] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4119] mkdirat(AT_FDCWD, "./config", 0777 [pid 4116] <... exit_group resumed>) = ? [pid 310] umount2("./784/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./723/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./784/binderfs" [pid 306] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] unlink("./784/binderfs" [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 310] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 306] close(4) = 0 [pid 4116] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = 0 [pid 306] rmdir("./723/config" [pid 4120] <... set_robust_list resumed>) = 0 [pid 4119] <... mkdirat resumed>) = 0 [pid 310] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rmdir resumed>) = 0 [pid 4119] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./784/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 4119] <... mount resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./723" [pid 4119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./724", 0777 [pid 4120] rt_sigprocmask(SIG_SETMASK, [] [pid 4119] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 4119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./784/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4119] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4120] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4121 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4119] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 4119] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./784/config"ci2-android-6-1/strace-static-x86_64: Process 4121 attached [pid 4121] set_robust_list(0x55556c898760, 24) = 0 [pid 4121] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 4121] chdir("./724" [pid 4119] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 4119] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./784" [pid 4121] <... chdir resumed>) = 0 [pid 4121] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4121] setpgid(0, 0) = 0 [pid 310] <... rmdir resumed>) = 0 executing program [pid 4119] <... unlinkat resumed>) = 0 [pid 310] mkdir("./785", 0777 [pid 4121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4121] write(3, "1000", 4) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 4119] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4121] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4121] <... close resumed>) = 0 [pid 4121] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4121] write(1, "executing program\n", 18) = 18 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4122 [pid 4119] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4119] exit_group(0 [pid 4120] chdir("./751" [pid 4121] mkdirat(AT_FDCWD, "./config", 0777 [pid 4119] <... exit_group resumed>) = ? [pid 4120] <... chdir resumed>) = 0 [pid 4121] <... mkdirat resumed>) = 0 [pid 4121] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4121] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4121] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4121] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4119] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4120] <... prctl resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4120] setpgid(0, 0 [pid 4121] <... mkdirat resumed>) = 0 [pid 4121] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4120] <... setpgid resumed>) = 0 [pid 4121] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... restart_syscall resumed>) = 0 [pid 4121] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./778", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./778", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./778/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./778/binderfs" [pid 4120] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./778/binderfs" [pid 4121] <... unlinkat resumed>) = 0 [pid 4120] write(3, "1000", 4 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 4121] exit_group(0 [pid 4120] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4120] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4121] <... exit_group resumed>) = ? [pid 4120] <... close resumed>) = 0 [pid 309] umount2("./768", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./778/config" [pid 4120] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./768", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./778/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4120] <... symlink resumed>) = 0 [pid 308] getdents64(4 [pid 4120] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4120] <... write resumed>) = 18 [pid 309] umount2("./768/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./768/binderfs" [pid 308] rmdir("./778/config" [pid 4120] mkdirat(AT_FDCWD, "./config", 0777 [pid 4121] +++ exited with 0 +++ executing program [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] unlink("./768/binderfs" [pid 308] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(3) = 0 [pid 308] rmdir("./778" [pid 4120] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4120] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./779", 0777 [pid 4120] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4120] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./768/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4123 [pid 4120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4120] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4122 attached [pid 309] openat(AT_FDCWD, "./768/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4122] set_robust_list(0x55556c898760, 24 [pid 309] <... openat resumed>) = 4 [pid 4122] <... set_robust_list resumed>) = 0 [pid 309] fstat(4 [pid 4120] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4122] rt_sigprocmask(SIG_SETMASK, [] [pid 4120] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(4 [pid 4122] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4122] chdir("./785" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4122] <... chdir resumed>) = 0 [pid 4120] <... symlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 4122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4120] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4120] <... unlinkat resumed>) = 0 [pid 309] rmdir("./768/config" [pid 306] umount2("./724", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./724", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4120] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 309] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 4120] <... unlinkat resumed>) = 0 [pid 309] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 306] umount2("./724/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4120] exit_group(0 [pid 309] rmdir("./768" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./724/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./724/binderfs" [pid 4120] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] mkdir("./769", 0777 [pid 306] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4122] <... prctl resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./724/config" [pid 309] <... mkdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./724/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./724/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 4122] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4122] <... setpgid resumed>) = 0 [pid 306] getdents64(4 [pid 4122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4122] <... openat resumed>) = 3 [pid 4120] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4124 [pid 306] close(4 [pid 4122] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 4122] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./724/config"ci2-android-6-1/strace-static-x86_64: Process 4123 attached [pid 4122] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4122] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 4122] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4123] set_robust_list(0x55556c898760, 24 [pid 4122] <... symlink resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] close(3 [pid 4122] write(1, "executing program\n", 18 [pid 306] <... close resumed>) = 0 [pid 4123] <... set_robust_list resumed>) = 0 [pid 4122] <... write resumed>) = 18 executing program [pid 306] rmdir("./724" [pid 4122] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] umount2("./751", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4123] rt_sigprocmask(SIG_SETMASK, [] [pid 4122] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4122] mount(NULL, "./config", "configfs", 0, NULL [pid 307] openat(AT_FDCWD, "./751", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] mkdir("./725", 0777 [pid 4123] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4122] <... mount resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 4122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] fstat(3 [pid 4122] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] getdents64(3 [pid 4122] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... mkdir resumed>) = 0 [pid 4123] chdir("./779" [pid 4122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] umount2("./751/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4123] <... chdir resumed>) = 0 [pid 4122] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4122] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] newfstatat(AT_FDCWD, "./751/binderfs" [pid 4122] <... symlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4122] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] unlink("./751/binderfs" [pid 4122] <... unlinkat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4122] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4124 attached [pid 4122] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4124] set_robust_list(0x55556c898760, 24 [pid 4122] exit_group(0 [pid 307] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4125 [pid 4124] <... set_robust_list resumed>) = 0 [pid 4122] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4125 attached [pid 4124] rt_sigprocmask(SIG_SETMASK, [] [pid 4123] <... prctl resumed>) = 0 [pid 4122] +++ exited with 0 +++ [pid 307] newfstatat(AT_FDCWD, "./751/config" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4125] set_robust_list(0x55556c898760, 24 [pid 4124] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4123] setpgid(0, 0 [pid 4124] chdir("./769" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4124] <... chdir resumed>) = 0 [pid 4123] <... setpgid resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] openat(AT_FDCWD, "./751/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4124] <... prctl resumed>) = 0 [pid 4123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... openat resumed>) = 4 [pid 4124] setpgid(0, 0 [pid 307] fstat(4 [pid 4124] <... setpgid resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] getdents64(4 [pid 4125] <... set_robust_list resumed>) = 0 [pid 4124] <... openat resumed>) = 3 [pid 4123] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4124] write(3, "1000", 4 [pid 4123] write(3, "1000", 4 [pid 307] getdents64(4 [pid 4124] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4124] close(3 [pid 307] close(4 [pid 4124] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4124] symlink("/dev/binderfs", "./binderfs" [pid 4123] <... write resumed>) = 4 [pid 307] rmdir("./751/config" [pid 4125] rt_sigprocmask(SIG_SETMASK, [] [pid 4124] <... symlink resumed>) = 0 [pid 4123] close(3 [pid 307] <... rmdir resumed>) = 0 executing program [pid 4124] write(1, "executing program\n", 18 [pid 307] getdents64(3 [pid 4124] <... write resumed>) = 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4124] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] close(3 [pid 4125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4124] <... mkdirat resumed>) = 0 [pid 4123] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4124] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rmdir("./751" [pid 4125] chdir("./725" [pid 4124] <... mount resumed>) = 0 [pid 4123] symlink("/dev/binderfs", "./binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 4124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] mkdir("./752", 0777 [pid 4124] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 4124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4123] <... symlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4124] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4126 attached [pid 4125] <... chdir resumed>) = 0 [pid 4124] <... mkdirat resumed>) = 0 [pid 4123] write(1, "executing program\n", 18 [pid 4124] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4126 executing program [pid 4124] <... symlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4123] <... write resumed>) = 18 [pid 4124] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4124] <... unlinkat resumed>) = 0 [pid 4124] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4123] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 4124] <... unlinkat resumed>) = 0 [pid 4124] exit_group(0) = ? [pid 4126] set_robust_list(0x55556c898760, 24 [pid 4125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4124] +++ exited with 0 +++ [pid 4123] <... mkdirat resumed>) = 0 [pid 4126] <... set_robust_list resumed>) = 0 [pid 4126] rt_sigprocmask(SIG_SETMASK, [] [pid 4123] mount(NULL, "./config", "configfs", 0, NULL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4126] chdir("./752" [pid 4123] <... mount resumed>) = 0 [pid 310] umount2("./785", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4126] <... chdir resumed>) = 0 [pid 4123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4126] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4123] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./769", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./785", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4123] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 4123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./769", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 4126] setpgid(0, 0) = 0 [pid 4126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4123] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4123] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] fstat(3 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4126] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 4123] <... symlinkat resumed>) = 0 [pid 310] umount2("./785/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4126] write(3, "1000", 4 executing program [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./769/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4123] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./785/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4126] <... write resumed>) = 4 [pid 4123] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./769/binderfs" [pid 4123] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] unlink("./785/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4126] close(3) = 0 [pid 4123] <... unlinkat resumed>) = 0 [pid 309] unlink("./769/binderfs" [pid 4126] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 4125] <... prctl resumed>) = 0 [pid 4123] exit_group(0 [pid 310] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4126] write(1, "executing program\n", 18) = 18 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4123] <... exit_group resumed>) = ? [pid 310] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4125] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4126] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4123] +++ exited with 0 +++ [pid 4126] mount(NULL, "./config", "configfs", 0, NULL [pid 4125] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./785/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4126] <... mount resumed>) = 0 [pid 4125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./769/config" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4126] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4126] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4125] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./785/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4126] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./769/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4125] write(3, "1000", 4 [pid 310] fstat(4 [pid 4125] <... write resumed>) = 4 [pid 309] <... openat resumed>) = 4 [pid 4125] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(4 [pid 310] getdents64(4 [pid 4125] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4125] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4126] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4126] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 4126] <... mkdirat resumed>) = 0 [pid 4125] <... symlink resumed>) = 0 [pid 310] rmdir("./785/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4126] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4126] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4125] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 executing program [pid 309] close(4 [pid 4126] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4125] <... write resumed>) = 18 [pid 310] getdents64(3 [pid 4126] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4126] exit_group(0 [pid 4125] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./769/config" [pid 4126] <... exit_group resumed>) = ? [pid 310] close(3 [pid 4126] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4125] <... mkdirat resumed>) = 0 [pid 310] rmdir("./785" [pid 309] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./779", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4125] mount(NULL, "./config", "configfs", 0, NULL [pid 310] mkdir("./786", 0777 [pid 309] close(3 [pid 308] openat(AT_FDCWD, "./779", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... mkdir resumed>) = 0 [pid 308] umount2("./779/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4125] <... mount resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./769" [pid 308] newfstatat(AT_FDCWD, "./779/binderfs" [pid 4125] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./779/binderfs" [pid 4125] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rmdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./770", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./779/config"ci2-android-6-1/strace-static-x86_64: Process 4127 attached [pid 4125] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4127 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4125] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4125] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./779/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4125] <... mkdirat resumed>) = 0 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 4125] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4128 [pid 308] <... close resumed>) = 0 [pid 307] umount2("./752", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4125] <... symlinkat resumed>) = 0 [pid 308] rmdir("./779/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4127] set_robust_list(0x55556c898760, 24 [pid 4125] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./752", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4125] <... unlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 4125] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] fstat(3 [pid 308] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4125] <... unlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 4125] exit_group(0 [pid 308] rmdir("./779" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 4128 attached [pid 4127] <... set_robust_list resumed>) = 0 [pid 4125] <... exit_group resumed>) = ? [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./752/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./780", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./752/binderfs" [pid 4125] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] unlink("./752/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... unlink resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4127] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4127] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4129 [pid 307] <... umount2 resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./752/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./752/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./752/config"ci2-android-6-1/strace-static-x86_64: Process 4129 attached [pid 4127] chdir("./786" [pid 307] <... rmdir resumed>) = 0 [pid 4128] set_robust_list(0x55556c898760, 24 [pid 307] getdents64(3 [pid 4128] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4128] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(3 [pid 4128] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 4128] chdir("./770" [pid 307] rmdir("./752" [pid 4129] set_robust_list(0x55556c898760, 24 [pid 4128] <... chdir resumed>) = 0 [pid 4127] <... chdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] mkdir("./753", 0777 [pid 4129] <... set_robust_list resumed>) = 0 [pid 4128] <... prctl resumed>) = 0 [pid 4127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... mkdir resumed>) = 0 [pid 4128] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4128] <... setpgid resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4130 attached [pid 4129] rt_sigprocmask(SIG_SETMASK, [] [pid 4128] <... openat resumed>) = 3 [pid 4127] <... prctl resumed>) = 0 [pid 4128] write(3, "1000", 4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4130 [pid 4128] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4128] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4128] <... close resumed>) = 0 [pid 4128] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4128] write(1, "executing program\n", 18) = 18 executing program [pid 4128] mkdirat(AT_FDCWD, "./config", 0777 [pid 4130] set_robust_list(0x55556c898760, 24 [pid 4129] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4128] <... mkdirat resumed>) = 0 [pid 4127] setpgid(0, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4127] <... setpgid resumed>) = 0 [pid 4128] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4127] <... openat resumed>) = 3 [pid 306] umount2("./725", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4127] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4127] <... write resumed>) = 4 [pid 306] openat(AT_FDCWD, "./725", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4127] close(3 [pid 4128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... openat resumed>) = 3 [pid 4127] <... close resumed>) = 0 [pid 306] fstat(3 [pid 4127] symlink("/dev/binderfs", "./binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4128] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4127] <... symlink resumed>) = 0 [pid 306] getdents64(3 [pid 4128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4127] write(1, "executing program\n", 18 executing program [pid 306] umount2("./725/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4128] <... mkdirat resumed>) = 0 [pid 4127] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4128] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4127] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] newfstatat(AT_FDCWD, "./725/binderfs" [pid 4128] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4128] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4127] <... mkdirat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4128] exit_group(0 [pid 4127] mount(NULL, "./config", "configfs", 0, NULL [pid 306] unlink("./725/binderfs" [pid 4128] <... exit_group resumed>) = ? [pid 4128] +++ exited with 0 +++ [pid 4127] <... mount resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4130] <... set_robust_list resumed>) = 0 [pid 4127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4129] chdir("./780" [pid 4127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4130] rt_sigprocmask(SIG_SETMASK, [] [pid 4129] <... chdir resumed>) = 0 [pid 4127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 4127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4129] <... prctl resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4130] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4130] chdir("./753" [pid 4127] <... mkdirat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./725/config" [pid 4129] setpgid(0, 0 [pid 4127] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4130] <... chdir resumed>) = 0 [pid 4127] <... symlinkat resumed>) = 0 [pid 309] umount2("./770", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./725/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4129] <... setpgid resumed>) = 0 [pid 4127] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4130] <... prctl resumed>) = 0 [pid 4130] setpgid(0, 0) = 0 [pid 4130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4127] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./770", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./725/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... openat resumed>) = 3 [pid 4127] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(3 [pid 306] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4130] <... openat resumed>) = 3 [pid 4127] <... unlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 306] fstat(4 [pid 4129] <... openat resumed>) = 3 [pid 4130] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4129] write(3, "1000", 4 [pid 4127] exit_group(0 [pid 309] umount2("./770/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4130] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4129] <... write resumed>) = 4 [pid 4127] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./770/binderfs" [pid 306] getdents64(4 [pid 4130] close(3) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4130] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4130] write(1, "executing program\n", 18) = 18 [pid 4127] +++ exited with 0 +++ executing program [pid 4130] mkdirat(AT_FDCWD, "./config", 0777 [pid 4129] close(3 [pid 309] unlink("./770/binderfs" [pid 306] close(4 [pid 4130] <... mkdirat resumed>) = 0 [pid 4129] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... unlink resumed>) = 0 [pid 4130] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... close resumed>) = 0 [pid 4129] symlink("/dev/binderfs", "./binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./725/config" [pid 4130] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4129] <... symlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4129] write(1, "executing program\n", 18 [pid 306] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4130] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 4129] <... write resumed>) = 18 [pid 309] newfstatat(AT_FDCWD, "./770/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(3 [pid 309] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4129] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./725" [pid 309] openat(AT_FDCWD, "./770/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4130] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] fstat(4 [pid 306] mkdir("./726", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4130] <... symlinkat resumed>) = 0 [pid 4130] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 4130] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4129] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4129] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4130] exit_group(0 [pid 309] close(4 [pid 4130] <... exit_group resumed>) = ? [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4130] +++ exited with 0 +++ [pid 4129] <... mount resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 4131 attached [pid 4129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rmdir("./770/config" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4130, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4131 [pid 4131] set_robust_list(0x55556c898760, 24 [pid 4129] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4129] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4129] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 4129] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4131] <... set_robust_list resumed>) = 0 [pid 4129] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./753", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4129] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] close(3 [pid 4129] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4129] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 4129] <... exit_group resumed>) = ? [pid 307] openat(AT_FDCWD, "./753", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./770" [pid 4131] rt_sigprocmask(SIG_SETMASK, [] [pid 4129] +++ exited with 0 +++ [pid 307] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] fstat(3 [pid 309] mkdir("./771", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4131] chdir("./726") = 0 [pid 4131] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4131] setpgid(0, 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./753/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4131] <... openat resumed>) = 3 [pid 4131] write(3, "1000", 4) = 4 [pid 4131] close(3) = 0 [pid 4131] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4132 [pid 307] newfstatat(AT_FDCWD, "./753/binderfs" [pid 4131] write(1, "executing program\n", 18 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4131] <... write resumed>) = 18 executing program [pid 4131] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./786", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./753/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4131] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./786", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... unlink resumed>) = 0 [pid 4131] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 4131] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4131] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 307] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4131] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./786/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./753/config" [pid 4131] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4131] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./786/binderfs" [pid 307] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./786/binderfs" [pid 307] openat(AT_FDCWD, "./753/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4131] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 4131] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4131] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./786/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4131] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] getdents64(4 [pid 4131] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4131] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4131] exit_group(0 [pid 310] openat(AT_FDCWD, "./786/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./780", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(4 [pid 4131] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4131] +++ exited with 0 +++ [pid 310] fstat(4 [pid 308] openat(AT_FDCWD, "./780", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] rmdir("./753/config" [pid 310] getdents64(4 [pid 308] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4132 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4132] set_robust_list(0x55556c898760, 24 [pid 308] getdents64(3 [pid 4132] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4132] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(4 [pid 308] umount2("./780/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4132] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4132] chdir("./771" [pid 310] close(4 [pid 308] newfstatat(AT_FDCWD, "./780/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4132] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(3 [pid 4132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rmdir("./786/config" [pid 308] unlink("./780/binderfs" [pid 4132] <... prctl resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4132] setpgid(0, 0 [pid 308] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4132] <... setpgid resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] rmdir("./753" [pid 4132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 308] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4132] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4132] write(3, "1000", 4 [pid 308] newfstatat(AT_FDCWD, "./780/config" [pid 4132] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4132] close(3 [pid 310] close(3 [pid 308] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./754", 0777 [pid 4132] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4132] symlink("/dev/binderfs", "./binderfs" [pid 308] openat(AT_FDCWD, "./780/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4132] <... symlink resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] rmdir("./786" [pid 307] <... mkdir resumed>) = 0 [pid 4132] write(1, "executing program\n", 18 [pid 308] fstat(4 [pid 4132] <... write resumed>) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4132] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4132] <... mkdirat resumed>) = 0 [pid 310] mkdir("./787", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4132] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(4 [pid 4132] <... mount resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] close(4 [pid 4132] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./780/config" [pid 4132] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 4132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] getdents64(3 [pid 4132] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4132] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4133 [pid 4132] <... symlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./726", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4132] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rmdir("./780" [pid 4132] <... unlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4132] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4134 [pid 308] mkdir("./781", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4133 attached [pid 4132] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./726", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4132] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4132] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 4133] set_robust_list(0x55556c898760, 24 [pid 4132] +++ exited with 0 +++ [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4133] <... set_robust_list resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] fstat(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4135 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4134 attached [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4134] set_robust_list(0x55556c898760, 24) = 0 [pid 4134] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 4134] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4134] chdir("./787") = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./771", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4134] setpgid(0, 0) = 0 [pid 4134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./726/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4134] write(3, "1000", 4 [pid 309] openat(AT_FDCWD, "./771", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4134] <... write resumed>) = 4 [pid 4134] close(3) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 4134] symlink("/dev/binderfs", "./binderfs" [pid 309] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./726/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 4134] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] unlink("./726/binderfs" [pid 309] umount2("./771/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4134] write(1, "executing program\n", 18) = 18 [pid 306] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 306] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./771/binderfs" [pid 4134] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] unlink("./771/binderfs" [pid 306] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4134] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./726/config" [pid 4134] mount(NULL, "./config", "configfs", 0, NULL [pid 4133] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4133] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./726/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4133] chdir("./754" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4133] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./726/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4133] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4133] setpgid(0, 0 [pid 309] newfstatat(AT_FDCWD, "./771/config" [pid 4133] <... setpgid resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(4 [pid 4133] <... openat resumed>) = 3 [pid 4134] <... mount resumed>) = 0 [pid 4133] write(3, "1000", 4 [pid 309] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4133] <... write resumed>) = 4 [pid 4134] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4133] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 4134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4133] <... close resumed>) = 0 [pid 4134] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4133] symlink("/dev/binderfs", "./binderfs" [pid 309] openat(AT_FDCWD, "./771/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4135 attached [pid 4134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4133] <... symlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4134] <... mkdirat resumed>) = 0 [pid 4133] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 4 [pid 306] getdents64(4 [pid 4134] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4133] <... write resumed>) = 18 executing program [pid 4134] <... symlinkat resumed>) = 0 [pid 4133] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] fstat(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4135] set_robust_list(0x55556c898760, 24 [pid 4134] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4133] <... mkdirat resumed>) = 0 [pid 4134] <... unlinkat resumed>) = 0 [pid 4133] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(4 [pid 4134] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4133] <... mount resumed>) = 0 [pid 309] getdents64(4 [pid 4134] <... unlinkat resumed>) = 0 [pid 4133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... close resumed>) = 0 [pid 4135] <... set_robust_list resumed>) = 0 [pid 4134] exit_group(0 [pid 4133] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] rmdir("./726/config" [pid 4134] <... exit_group resumed>) = ? [pid 4133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(4 [pid 4135] rt_sigprocmask(SIG_SETMASK, [] [pid 4134] +++ exited with 0 +++ [pid 4133] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4135] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4133] <... mkdirat resumed>) = 0 [pid 309] close(4 [pid 306] getdents64(3 [pid 4133] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 4133] <... symlinkat resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4133] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rmdir("./771/config" [pid 306] close(3 [pid 4135] chdir("./781" [pid 4133] <... unlinkat resumed>) = 0 [pid 4133] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4133] exit_group(0) = ? [pid 309] <... rmdir resumed>) = 0 [pid 4135] <... chdir resumed>) = 0 [pid 4133] +++ exited with 0 +++ [pid 306] <... close resumed>) = 0 [pid 4135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] getdents64(3 [pid 306] rmdir("./726" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4135] <... prctl resumed>) = 0 [pid 4135] setpgid(0, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] mkdir("./727", 0777 [pid 4135] <... setpgid resumed>) = 0 [pid 4135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4135] write(3, "1000", 4 [pid 306] <... mkdir resumed>) = 0 [pid 310] umount2("./787", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./771" [pid 307] umount2("./754", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] openat(AT_FDCWD, "./787", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4135] <... write resumed>) = 4 [pid 4135] close(3) = 0 [pid 4135] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] mkdir("./772", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4135] <... symlink resumed>) = 0 [pid 310] fstat(3 [pid 307] openat(AT_FDCWD, "./754", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4135] write(1, "executing program\n", 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4135] <... write resumed>) = 18 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... openat resumed>) = 3 [pid 4135] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] fstat(3 executing program [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./787/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4136 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 4135] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] newfstatat(AT_FDCWD, "./787/binderfs" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4137 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./754/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4135] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] unlink("./787/binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4135] <... symlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./754/binderfs" [pid 310] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4135] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] unlink("./754/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 4135] <... unlinkat resumed>) = 0 [pid 4135] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... unlink resumed>) = 0 [pid 310] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4135] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./787/config" [pid 307] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./754/config" [pid 310] openat(AT_FDCWD, "./787/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 4135] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 307] openat(AT_FDCWD, "./754/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4135] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4136 attached [pid 4135] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 307] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 310] rmdir("./787/config"ci2-android-6-1/strace-static-x86_64: Process 4137 attached [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4137] set_robust_list(0x55556c898760, 24) = 0 [pid 4137] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 310] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 310] close(3 [pid 4137] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] rmdir("./754/config" [pid 310] rmdir("./787" [pid 4137] chdir("./772") = 0 [pid 4137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rmdir resumed>) = 0 [pid 4137] <... prctl resumed>) = 0 [pid 4137] setpgid(0, 0) = 0 [pid 4137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] mkdir("./788", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4137] <... openat resumed>) = 3 [pid 4137] write(3, "1000", 4) = 4 [pid 4137] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4137] <... close resumed>) = 0 [pid 4136] set_robust_list(0x55556c898760, 24 [pid 307] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./754" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4137] symlink("/dev/binderfs", "./binderfs" [pid 4136] <... set_robust_list resumed>) = 0 [pid 4137] <... symlink resumed>) = 0 [pid 4136] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rmdir resumed>) = 0 [pid 4137] write(1, "executing program\n", 18 [pid 4136] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4137] <... write resumed>) = 18 [pid 4136] chdir("./727" [pid 4137] mkdirat(AT_FDCWD, "./config", 0777 [pid 4136] <... chdir resumed>) = 0 [pid 307] mkdir("./755", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4138 [pid 4137] <... mkdirat resumed>) = 0 executing program [pid 4136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4137] mount(NULL, "./config", "configfs", 0, NULL [pid 4136] <... prctl resumed>) = 0 [pid 4137] <... mount resumed>) = 0 [pid 4136] setpgid(0, 0 [pid 4137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4136] <... setpgid resumed>) = 0 [pid 4137] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4136] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4139 [pid 4137] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4136] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4136] <... write resumed>) = 4 [pid 4137] <... mkdirat resumed>) = 0 [pid 4136] close(3ci2-android-6-1/strace-static-x86_64: Process 4138 attached [pid 4137] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4136] <... close resumed>) = 0 [pid 4138] set_robust_list(0x55556c898760, 24) = 0 [pid 4137] <... symlinkat resumed>) = 0 [pid 4136] symlink("/dev/binderfs", "./binderfs" [pid 4137] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4136] <... symlink resumed>) = 0 [pid 4137] <... unlinkat resumed>) = 0 executing program [pid 4136] write(1, "executing program\n", 18 [pid 4137] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4136] <... write resumed>) = 18 [pid 4137] <... unlinkat resumed>) = 0 [pid 4136] mkdirat(AT_FDCWD, "./config", 0777 [pid 4138] rt_sigprocmask(SIG_SETMASK, [] [pid 4137] exit_group(0 [pid 4136] <... mkdirat resumed>) = 0 [pid 4137] <... exit_group resumed>) = ? [pid 4136] mount(NULL, "./config", "configfs", 0, NULL [pid 4138] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4137] +++ exited with 0 +++ [pid 4136] <... mount resumed>) = 0 [pid 4136] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4136] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4136] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4136] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4136] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... restart_syscall resumed>) = 0 [pid 4136] <... symlinkat resumed>) = 0 [pid 4136] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] umount2("./781", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4136] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4136] <... unlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./781", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4138] chdir("./788" [pid 4136] exit_group(0 [pid 308] <... openat resumed>) = 3 [pid 4136] <... exit_group resumed>) = ? [pid 308] fstat(3 [pid 4138] <... chdir resumed>) = 0 [pid 4136] +++ exited with 0 +++ [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./781/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./772", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./781/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./772", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] unlink("./781/binderfs" [pid 309] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 309] fstat(3 [pid 308] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./727", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4139 attached [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] getdents64(3 [pid 308] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./772/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./781/config" [pid 306] openat(AT_FDCWD, "./727", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./772/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./781/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(3 [pid 4139] set_robust_list(0x55556c898760, 24 [pid 309] unlink("./772/binderfs" [pid 308] <... openat resumed>) = 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4139] <... set_robust_list resumed>) = 0 [pid 308] fstat(4 [pid 4139] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4139] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] getdents64(4 [pid 306] getdents64(3 [pid 4139] chdir("./755" [pid 4138] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4139] <... chdir resumed>) = 0 [pid 308] getdents64(4 [pid 4139] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4139] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] close(4 [pid 306] umount2("./727/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4139] setpgid(0, 0 [pid 309] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 4139] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./781/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4138] <... prctl resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./772/config" [pid 308] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./727/binderfs" [pid 4139] <... openat resumed>) = 3 [pid 4138] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 4139] write(3, "1000", 4 [pid 309] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4139] <... write resumed>) = 4 [pid 4138] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 306] unlink("./727/binderfs" [pid 4139] close(3 [pid 4138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] openat(AT_FDCWD, "./772/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 4139] <... close resumed>) = 0 [pid 308] rmdir("./781" [pid 306] <... unlink resumed>) = 0 [pid 4139] symlink("/dev/binderfs", "./binderfs" [pid 4138] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4139] <... symlink resumed>) = 0 [pid 4138] write(3, "1000", 4 [pid 309] fstat(4 [pid 308] mkdir("./782", 0777 [pid 4139] write(1, "executing program\n", 18 [pid 4138] <... write resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4139] <... write resumed>) = 18 [pid 4138] close(3 [pid 309] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 306] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4139] mkdirat(AT_FDCWD, "./config", 0777 [pid 4138] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4139] <... mkdirat resumed>) = 0 [pid 4138] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4139] mount(NULL, "./config", "configfs", 0, NULL [pid 4138] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./727/config" [pid 4139] <... mount resumed>) = 0 [pid 4138] write(1, "executing program\n", 18 [pid 309] close(4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4140 executing program [pid 4139] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4138] <... write resumed>) = 18 [pid 309] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4139] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./772/config" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./727/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4139] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4139] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 4138] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./727/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 4139] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] rmdir("./772" [pid 306] fstat(4 [pid 4139] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4139] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4138] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4138] mount(NULL, "./config", "configfs", 0, NULL [pid 309] mkdir("./773", 0777 [pid 306] getdents64(4 [pid 4139] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4139] exit_group(0) = ? [pid 309] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4140 attached [pid 4139] +++ exited with 0 +++ [pid 4138] <... mount resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4138] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4140] set_robust_list(0x55556c898760, 24) = 0 [pid 4140] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4140] chdir("./782") = 0 [pid 306] close(4 [pid 4138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4141 [pid 306] <... close resumed>) = 0 [pid 4140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4138] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./727/config" [pid 4140] <... prctl resumed>) = 0 [pid 4140] setpgid(0, 0) = 0 [pid 4140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 4138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(3 [pid 4140] <... openat resumed>) = 3 [pid 4138] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4140] write(3, "1000", 4 [pid 4138] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] close(3 [pid 4140] <... write resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 4140] close(3 [pid 306] rmdir("./727" [pid 4138] <... symlinkat resumed>) = 0 [pid 4140] <... close resumed>) = 0 [pid 4140] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4138] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rmdir resumed>) = 0 [pid 4140] write(1, "executing program\n", 18 [pid 306] mkdir("./728", 0777 [pid 4138] <... unlinkat resumed>) = 0 [pid 4140] <... write resumed>) = 18 executing program [pid 4140] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4138] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... mkdir resumed>) = 0 [pid 4140] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4140] <... mount resumed>) = 0 [pid 4138] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4140] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4138] exit_group(0 [pid 4140] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4140] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4140] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4140] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4138] <... exit_group resumed>) = ? [pid 4140] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4142 [pid 4140] <... unlinkat resumed>) = 0 [pid 4140] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4140] exit_group(0 [pid 4138] +++ exited with 0 +++ [pid 4140] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4142 attached ci2-android-6-1/strace-static-x86_64: Process 4141 attached [pid 4140] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4142] set_robust_list(0x55556c898760, 24 [pid 4141] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4141] <... set_robust_list resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4142] <... set_robust_list resumed>) = 0 [pid 4141] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4141] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4141] chdir("./773") = 0 [pid 4141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4141] setpgid(0, 0) = 0 [pid 4141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4141] write(3, "1000", 4) = 4 [pid 4141] close(3) = 0 [pid 4141] symlink("/dev/binderfs", "./binderfs" [pid 4142] rt_sigprocmask(SIG_SETMASK, [] [pid 4141] <... symlink resumed>) = 0 [pid 4141] write(1, "executing program\n", 18) = 18 [pid 4142] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4141] mkdirat(AT_FDCWD, "./config", 0777 [pid 4142] chdir("./728" [pid 4141] <... mkdirat resumed>) = 0 [pid 4141] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4142] <... chdir resumed>) = 0 [pid 4141] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4141] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4141] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] umount2("./788", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4141] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4141] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./788", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4141] exit_group(0 [pid 310] <... openat resumed>) = 3 [pid 4141] <... exit_group resumed>) = ? [pid 310] fstat(3 [pid 4142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4141] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4142] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./788/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4142] setpgid(0, 0 [pid 307] umount2("./755", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./782", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./788/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./755", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./788/binderfs" [pid 308] openat(AT_FDCWD, "./782", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 4142] <... setpgid resumed>) = 0 [pid 4142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 310] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 307] fstat(3 [pid 4142] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 4142] write(3, "1000", 4) = 4 [pid 4142] close(3) = 0 [pid 4142] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./788/config" [pid 308] umount2("./782/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./755/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./782/binderfs" [pid 307] newfstatat(AT_FDCWD, "./755/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./788/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./782/binderfs" [pid 310] <... openat resumed>) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] unlink("./755/binderfs" [pid 4142] write(1, "executing program\n", 18) = 18 [pid 308] <... unlink resumed>) = 0 [pid 4142] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./773", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 308] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4142] <... mkdirat resumed>) = 0 [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 4142] mount(NULL, "./config", "configfs", 0, NULL [pid 309] openat(AT_FDCWD, "./773", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 309] fstat(3 [pid 308] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./755/config" [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] close(4 [pid 308] newfstatat(AT_FDCWD, "./782/config" [pid 307] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] umount2("./773/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4142] <... mount resumed>) = 0 [pid 310] rmdir("./788/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./773/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./755/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./782/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 309] unlink("./773/binderfs" [pid 310] close(3 [pid 308] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 4142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] fstat(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4142] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rmdir("./788" [pid 309] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4142] <... symlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 4142] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4142] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] getdents64(4 [pid 4142] exit_group(0 [pid 310] mkdir("./789", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4142] <... exit_group resumed>) = ? [pid 309] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4142] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./773/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 307] close(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./773/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./782/config" [pid 307] rmdir("./755/config" [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4143 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(4ci2-android-6-1/strace-static-x86_64: Process 4143 attached [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./728", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./728", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... close resumed>) = 0 [pid 307] close(3 [pid 308] rmdir("./782" [pid 306] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 4143] set_robust_list(0x55556c898760, 24) = 0 [pid 4143] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./755" [pid 306] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./783", 0777 [pid 4143] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4143] chdir("./789") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(4 [pid 4143] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4143] setpgid(0, 0) = 0 [pid 4143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 307] mkdir("./756", 0777 [pid 4143] <... openat resumed>) = 3 [pid 309] rmdir("./773/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4143] write(3, "1000", 4) = 4 [pid 307] <... mkdir resumed>) = 0 [pid 4143] close(3) = 0 [pid 4143] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./728/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 4143] write(1, "executing program\n", 18) = 18 [pid 4143] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] newfstatat(AT_FDCWD, "./728/binderfs" [pid 309] <... close resumed>) = 0 [pid 4143] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] rmdir("./773" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4143] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4143] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] unlink("./728/binderfs" [pid 4143] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4143] exit_group(0 executing program [pid 309] mkdir("./774", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4145 [pid 306] <... unlink resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4144 [pid 4143] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4145 attached [pid 4143] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4144 attached [pid 4144] set_robust_list(0x55556c898760, 24) = 0 [pid 4144] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4144] chdir("./783") = 0 [pid 4144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4146 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4144] <... prctl resumed>) = 0 [pid 4144] setpgid(0, 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./728/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4144] <... setpgid resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] umount2("./728/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4145] set_robust_list(0x55556c898760, 24 [pid 4144] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4144] write(3, "1000", 4) = 4 [pid 306] openat(AT_FDCWD, "./728/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4144] close(3 [pid 306] <... openat resumed>) = 4 [pid 4144] <... close resumed>) = 0 [pid 306] fstat(4 [pid 4144] symlink("/dev/binderfs", "./binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4144] <... symlink resumed>) = 0 [pid 306] getdents64(4 [pid 4144] write(1, "executing program\n", 18) = 18 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4144] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 306] getdents64(4 [pid 4145] <... set_robust_list resumed>) = 0 [pid 4144] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4144] mount(NULL, "./config", "configfs", 0, NULL [pid 306] close(4 [pid 4144] <... mount resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rmdir("./728/config" [pid 4144] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4144] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3 [pid 4144] <... symlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4144] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] close(3 [pid 4144] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... close resumed>) = 0 [pid 4145] rt_sigprocmask(SIG_SETMASK, [] [pid 4144] <... unlinkat resumed>) = 0 [pid 306] rmdir("./728" [pid 4144] exit_group(0) = ? [pid 4145] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4144] +++ exited with 0 +++ [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./729", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4146 attached [pid 4146] set_robust_list(0x55556c898760, 24) = 0 [pid 4146] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4146] chdir("./774" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4146] <... chdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4146] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4146] setpgid(0, 0) = 0 [pid 4146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4146] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4147 [pid 310] umount2("./789", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./789", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4145] chdir("./756" [pid 310] umount2("./789/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./789/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4145] <... chdir resumed>) = 0 [pid 310] unlink("./789/binderfs") = 0 [pid 310] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./789/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4145] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./789/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 4145] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4146] <... write resumed>) = 4 [pid 310] getdents64(4 [pid 4146] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4146] <... close resumed>) = 0 [pid 310] close(4 [pid 4146] symlink("/dev/binderfs", "./binderfs" [pid 4145] <... setpgid resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4146] <... symlink resumed>) = 0 [pid 4145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rmdir("./789/config" [pid 4146] write(1, "executing program\n", 18 [pid 4145] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 4146] <... write resumed>) = 18 executing program [pid 310] getdents64(3 [pid 4146] mkdirat(AT_FDCWD, "./config", 0777 [pid 4145] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4146] <... mkdirat resumed>) = 0 [pid 4145] <... write resumed>) = 4 [pid 310] close(3 [pid 4146] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 4146] <... mount resumed>) = 0 [pid 4145] close(3 [pid 310] rmdir("./789" [pid 4146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4145] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4146] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./790", 0777 [pid 4146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4145] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 4146] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4146] <... mkdirat resumed>) = 0 [pid 4145] <... symlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4146] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4145] write(1, "executing program\n", 18 [pid 308] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4148 attached executing program [pid 4146] <... symlinkat resumed>) = 0 [pid 4145] <... write resumed>) = 18 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4148 [pid 4146] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4146] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4146] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4145] mkdirat(AT_FDCWD, "./config", 0777 [pid 4146] <... unlinkat resumed>) = 0 [pid 308] umount2("./783", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4146] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4146] <... exit_group resumed>) = ? [pid 308] openat(AT_FDCWD, "./783", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4148] set_robust_list(0x55556c898760, 24 [pid 4146] +++ exited with 0 +++ [pid 4145] <... mkdirat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 4145] mount(NULL, "./config", "configfs", 0, NULL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4147 attached , 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4147] set_robust_list(0x55556c898760, 24 [pid 4145] <... mount resumed>) = 0 [pid 308] umount2("./783/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4147] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] newfstatat(AT_FDCWD, "./783/binderfs" [pid 4147] rt_sigprocmask(SIG_SETMASK, [] [pid 4145] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4147] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] unlink("./783/binderfs" [pid 4147] chdir("./729") = 0 [pid 308] <... unlink resumed>) = 0 [pid 4145] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 4147] <... prctl resumed>) = 0 [pid 308] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4147] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4147] <... setpgid resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./783/config" [pid 4147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4145] <... mkdirat resumed>) = 0 [pid 308] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4147] <... openat resumed>) = 3 [pid 4145] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4147] write(3, "1000", 4 [pid 308] openat(AT_FDCWD, "./783/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4147] <... write resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 4147] close(3 [pid 308] fstat(4 [pid 4145] <... symlinkat resumed>) = 0 [pid 4147] <... close resumed>) = 0 [pid 4147] symlink("/dev/binderfs", "./binderfs" [pid 4145] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4147] <... symlink resumed>) = 0 [pid 4145] <... unlinkat resumed>) = 0 [pid 308] getdents64(4 [pid 4147] write(1, "executing program\n", 18) = 18 executing program [pid 4147] mkdirat(AT_FDCWD, "./config", 0777 [pid 4145] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4147] <... mkdirat resumed>) = 0 [pid 4145] <... unlinkat resumed>) = 0 [pid 308] getdents64(4 [pid 4148] <... set_robust_list resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4147] mount(NULL, "./config", "configfs", 0, NULL [pid 4145] exit_group(0 [pid 308] close(4 [pid 4145] <... exit_group resumed>) = ? [pid 4147] <... mount resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rmdir("./783/config" [pid 4147] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4147] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 4147] <... symlinkat resumed>) = 0 [pid 4145] +++ exited with 0 +++ [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./783" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4147] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4147] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] mkdir("./784", 0777 [pid 4147] exit_group(0) = ? [pid 4147] +++ exited with 0 +++ [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4148] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4148] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4148] chdir("./790") = 0 [pid 4148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4148] setpgid(0, 0) = 0 [pid 4148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4149 [pid 4148] write(3, "1000", 4) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4148] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4148] <... close resumed>) = 0 [pid 4148] symlink("/dev/binderfs", "./binderfs") = 0 ci2-android-6-1/strace-static-x86_64: Process 4149 attached [pid 4148] write(1, "executing program\n", 18) = 18 [pid 4149] set_robust_list(0x55556c898760, 24 [pid 4148] mkdirat(AT_FDCWD, "./config", 0777 [pid 4149] <... set_robust_list resumed>) = 0 [pid 4148] <... mkdirat resumed>) = 0 [pid 4148] mount(NULL, "./config", "configfs", 0, NULL) = 0 executing program [pid 4149] rt_sigprocmask(SIG_SETMASK, [] [pid 4148] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4149] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4148] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4148] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4149] chdir("./784" [pid 4148] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4149] <... chdir resumed>) = 0 [pid 4149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4148] <... mkdirat resumed>) = 0 [pid 4148] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4149] <... prctl resumed>) = 0 [pid 4149] setpgid(0, 0 [pid 4148] <... symlinkat resumed>) = 0 [pid 4148] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4149] <... setpgid resumed>) = 0 [pid 4148] <... unlinkat resumed>) = 0 [pid 4149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4148] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4148] exit_group(0) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] umount2("./756", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4148] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4149] <... openat resumed>) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./774", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./756", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4149] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 4149] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./774", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 4149] close(3 [pid 309] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 4149] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 4149] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(3 [pid 4149] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./774/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4149] write(1, "executing program\n", 18 [pid 307] umount2("./756/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./774/binderfs" [pid 307] newfstatat(AT_FDCWD, "./756/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./774/binderfs" [pid 307] unlink("./756/binderfs" [pid 4149] <... write resumed>) = 18 [pid 4149] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... unlink resumed>) = 0 [pid 4149] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 executing program [pid 4149] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4149] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./774/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./756/config" [pid 4149] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./774/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./756/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(4 [pid 4149] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 307] fstat(4 [pid 4149] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 4149] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 309] close(4 [pid 4149] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./774/config" [pid 307] getdents64(4 [pid 4149] <... unlinkat resumed>) = 0 [pid 4149] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 307] close(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 309] close(3 [pid 307] rmdir("./756/config" [pid 4149] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 4149] <... exit_group resumed>) = ? [pid 4149] +++ exited with 0 +++ [pid 309] rmdir("./774" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] getdents64(3 [pid 306] umount2("./729", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./729", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] mkdir("./775", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./729/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./729/binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./756" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] unlink("./729/binderfs") = 0 [pid 306] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./729/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./729/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./729/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4150 [pid 307] mkdir("./757", 0777 [pid 306] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 306] rmdir("./729/config" [pid 307] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./784", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./729") = 0 [pid 306] mkdir("./730", 0777ci2-android-6-1/strace-static-x86_64: Process 4151 attached [pid 308] openat(AT_FDCWD, "./784", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4151 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4151] set_robust_list(0x55556c898760, 24 [pid 308] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4152 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 4150 attached [pid 308] umount2("./784/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4150] set_robust_list(0x55556c898760, 24) = 0 [pid 4150] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4150] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4150] chdir("./775" [pid 4151] <... set_robust_list resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./784/binderfs" [pid 4150] <... chdir resumed>) = 0 [pid 4150] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4150] setpgid(0, 0) = 0 [pid 4150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4150] <... openat resumed>) = 3 [pid 308] unlink("./784/binderfs" [pid 4150] write(3, "1000", 4) = 4 [pid 4150] close(3) = 0 [pid 4150] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4150] write(1, "executing program\n", 18 [pid 310] umount2("./790", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4150] <... write resumed>) = 18 [pid 4150] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program ci2-android-6-1/strace-static-x86_64: Process 4152 attached [pid 4151] rt_sigprocmask(SIG_SETMASK, [] [pid 4150] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./790", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4150] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... openat resumed>) = 3 [pid 4150] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 4150] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4150] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4151] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4150] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4150] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] getdents64(3 [pid 308] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4150] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./790/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./784/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./790/binderfs" [pid 308] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4150] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./790/binderfs" [pid 308] openat(AT_FDCWD, "./784/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4150] <... exit_group resumed>) = ? [pid 4152] set_robust_list(0x55556c898760, 24 [pid 4151] chdir("./757" [pid 4150] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 4152] <... set_robust_list resumed>) = 0 [pid 4151] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4152] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 4152] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4152] chdir("./730" [pid 310] newfstatat(AT_FDCWD, "./790/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 310] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4152] <... chdir resumed>) = 0 [pid 4152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 310] openat(AT_FDCWD, "./790/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 4152] <... prctl resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] rmdir("./784/config" [pid 310] fstat(4 [pid 4152] setpgid(0, 0) = 0 [pid 4152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4152] write(3, "1000", 4 [pid 310] getdents64(4 [pid 308] getdents64(3 [pid 4151] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4152] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4151] <... prctl resumed>) = 0 [pid 310] getdents64(4 [pid 4152] close(3) = 0 [pid 308] close(3 [pid 4151] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4151] <... setpgid resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] close(4 [pid 308] rmdir("./784" [pid 310] <... close resumed>) = 0 [pid 4152] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] rmdir("./790/config" [pid 308] mkdir("./785", 0777 [pid 4152] write(1, "executing program\n", 18) = 18 [pid 4152] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 4152] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... mkdir resumed>) = 0 [pid 4151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(3 [pid 4152] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 310] rmdir("./790" [pid 4151] <... openat resumed>) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4152] <... mount resumed>) = 0 [pid 4152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 4152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4152] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4151] write(3, "1000", 4 [pid 310] mkdir("./791", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4153 [pid 4152] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4152] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4152] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./775", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4151] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4151] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./775", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4151] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4151] symlink("/dev/binderfs", "./binderfs" [pid 309] <... openat resumed>) = 3 [pid 4152] <... exit_group resumed>) = ? [pid 309] fstat(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4152] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4154 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4151] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./775/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] umount2("./730", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4151] write(1, "executing program\n", 18 [pid 309] newfstatat(AT_FDCWD, "./775/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program ci2-android-6-1/strace-static-x86_64: Process 4153 attached [pid 4151] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./730", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./775/binderfs" [pid 306] <... openat resumed>) = 3 [pid 4151] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 309] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./730/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./730/binderfs" [pid 309] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./730/binderfs" [pid 4151] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./775/config" [pid 306] <... unlink resumed>) = 0 [pid 4151] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 4153] set_robust_list(0x55556c898760, 24 [pid 306] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4153] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4153] rt_sigprocmask(SIG_SETMASK, [] [pid 4151] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./730/config" [pid 4153] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] openat(AT_FDCWD, "./775/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4153] chdir("./785" [pid 309] <... openat resumed>) = 4 [pid 306] umount2("./730/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4153] <... chdir resumed>) = 0 [pid 4151] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4153] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./730/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4154 attached [pid 4153] <... prctl resumed>) = 0 [pid 4151] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 4153] setpgid(0, 0 [pid 306] fstat(4 [pid 4153] <... setpgid resumed>) = 0 [pid 4151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 306] getdents64(4 [pid 4153] <... openat resumed>) = 3 [pid 4151] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4153] write(3, "1000", 4 [pid 4151] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] close(4 [pid 306] getdents64(4 [pid 4153] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4153] close(3 [pid 306] close(4 [pid 4153] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4153] symlink("/dev/binderfs", "./binderfs" [pid 309] rmdir("./775/config" [pid 306] rmdir("./730/config" [pid 4153] <... symlink resumed>) = 0 [pid 4151] <... symlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4153] write(1, "executing program\n", 18 [pid 4151] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(3 [pid 306] getdents64(3 [pid 4153] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 4153] mkdirat(AT_FDCWD, "./config", 0777 [pid 4151] <... unlinkat resumed>) = 0 [pid 309] close(3 [pid 306] close(3 [pid 4153] <... mkdirat resumed>) = 0 [pid 4151] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4153] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rmdir("./775" [pid 306] rmdir("./730" [pid 4153] <... mount resumed>) = 0 [pid 4151] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] mkdir("./776", 0777 [pid 306] mkdir("./731", 0777 [pid 4153] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4151] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4151] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4153] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4154] set_robust_list(0x55556c898760, 24 [pid 4153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4154] <... set_robust_list resumed>) = 0 [pid 4153] <... mkdirat resumed>) = 0 [pid 4151] +++ exited with 0 +++ [pid 4154] rt_sigprocmask(SIG_SETMASK, [] [pid 4153] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4156 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4155 [pid 4154] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4153] <... symlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4154] chdir("./791" [pid 4153] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4154] <... chdir resumed>) = 0 [pid 4153] <... unlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4155 attached [pid 4154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4153] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4154] <... prctl resumed>) = 0 [pid 4153] <... unlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4156 attached [pid 4154] setpgid(0, 0 [pid 4153] exit_group(0 [pid 4154] <... setpgid resumed>) = 0 [pid 4153] <... exit_group resumed>) = ? [pid 4155] set_robust_list(0x55556c898760, 24 [pid 4156] set_robust_list(0x55556c898760, 24 [pid 4154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4153] +++ exited with 0 +++ [pid 4155] <... set_robust_list resumed>) = 0 [pid 4156] <... set_robust_list resumed>) = 0 [pid 4154] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4154] write(3, "1000", 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4154] <... write resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 4154] close(3) = 0 [pid 4154] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] umount2("./785", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4156] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4154] write(1, "executing program\n", 18 [pid 308] openat(AT_FDCWD, "./785", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4154] <... write resumed>) = 18 [pid 4154] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 308] <... openat resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4156] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4154] <... mkdirat resumed>) = 0 [pid 308] getdents64(3 [pid 4154] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./757", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./785/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4154] <... mount resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./757", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./785/binderfs" [pid 4154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(3 [pid 308] unlink("./785/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4154] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 308] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4154] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./757/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./785/config" [pid 307] newfstatat(AT_FDCWD, "./757/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./757/binderfs" [pid 4154] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4154] <... symlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./785/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... unlink resumed>) = 0 [pid 4154] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 4154] <... unlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4154] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(4 [pid 307] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4154] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./757/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4154] exit_group(0 [pid 308] close(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4154] <... exit_group resumed>) = ? [pid 308] <... close resumed>) = 0 [pid 4155] rt_sigprocmask(SIG_SETMASK, [] [pid 4156] chdir("./776" [pid 4154] +++ exited with 0 +++ [pid 307] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./785/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4155] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4155] chdir("./731") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] openat(AT_FDCWD, "./757/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 4155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] fstat(4 [pid 308] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 308] rmdir("./785" [pid 4155] <... prctl resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4155] setpgid(0, 0) = 0 [pid 4155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 4155] <... openat resumed>) = 3 [pid 308] mkdir("./786", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4156] <... chdir resumed>) = 0 [pid 4155] write(3, "1000", 4) = 4 [pid 4155] close(3) = 0 [pid 4155] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] close(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./757/config" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4155] write(1, "executing program\n", 18) = 18 [pid 4155] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4155] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4155] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4155] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4155] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4155] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] getdents64(3 [pid 4155] <... symlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4157 [pid 307] close(3 [pid 4155] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 executing program [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./757" [pid 4155] <... unlinkat resumed>) = 0 [pid 4155] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4155] exit_group(0 [pid 307] mkdir("./758", 0777 [pid 4155] <... exit_group resumed>) = ? [pid 4155] +++ exited with 0 +++ [pid 4156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4157 attached [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 4157] set_robust_list(0x55556c898760, 24) = 0 [pid 4157] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4157] chdir("./786") = 0 [pid 4157] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4157] setpgid(0, 0) = 0 [pid 4157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4158 [pid 306] umount2("./731", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4157] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./731", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4157] write(3, "1000", 4 [pid 306] <... openat resumed>) = 3 [pid 4157] <... write resumed>) = 4 [pid 306] fstat(3 [pid 4157] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4157] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 4157] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4156] <... prctl resumed>) = 0 [pid 306] umount2("./731/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4157] write(1, "executing program\n", 18) = 18 executing program [pid 4157] mkdirat(AT_FDCWD, "./config", 0777 [pid 4156] setpgid(0, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4157] <... mkdirat resumed>) = 0 [pid 4156] <... setpgid resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./731/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4158 attached [pid 306] unlink("./731/binderfs" [pid 4156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4158] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4156] <... openat resumed>) = 3 [pid 306] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4158] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4156] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./731/config" [pid 4158] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./731/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4156] <... write resumed>) = 4 [pid 310] umount2("./791", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4156] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./731/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./791", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 4156] <... close resumed>) = 0 [pid 310] fstat(3 [pid 306] fstat(4 [pid 4156] symlink("/dev/binderfs", "./binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 306] getdents64(4 [pid 4158] chdir("./758" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./791/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./791/binderfs" [pid 306] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4156] <... symlink resumed>) = 0 [pid 310] unlink("./791/binderfs" [pid 306] <... close resumed>) = 0 [pid 4157] mount(NULL, "./config", "configfs", 0, NULL [pid 4158] <... chdir resumed>) = 0 [pid 4158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... unlink resumed>) = 0 [pid 4156] write(1, "executing program\n", 18 [pid 306] rmdir("./731/config" [pid 310] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4158] <... prctl resumed>) = 0 [pid 4158] setpgid(0, 0) = 0 [pid 4158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 4156] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = 0 [pid 306] getdents64(3 [pid 310] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4157] <... mount resumed>) = 0 [pid 4156] mkdirat(AT_FDCWD, "./config", 0777 executing program executing program [pid 310] newfstatat(AT_FDCWD, "./791/config" [pid 306] close(3 [pid 4158] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 310] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./731" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4158] write(3, "1000", 4) = 4 [pid 4158] close(3) = 0 [pid 4158] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./791/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 4158] <... symlink resumed>) = 0 [pid 4157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4156] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] mkdir("./732", 0777 [pid 310] fstat(4 [pid 4158] write(1, "executing program\n", 18) = 18 [pid 4158] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4157] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4156] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4158] mount(NULL, "./config", "configfs", 0, NULL [pid 4157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4156] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4157] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4156] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 4158] <... mount resumed>) = 0 [pid 4158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... close resumed>) = 0 [pid 4157] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./791/config" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4159 [pid 4158] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4158] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4157] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4156] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4157] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] close(3 [pid 4158] <... unlinkat resumed>) = 0 [pid 4157] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 4156] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./791" [pid 4157] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4156] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4158] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4158] exit_group(0 [pid 4157] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 4158] <... exit_group resumed>) = ? [pid 310] mkdir("./792", 0777 [pid 4157] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4158] +++ exited with 0 +++ [pid 4156] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4159 attached [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4159] set_robust_list(0x55556c898760, 24 [pid 4157] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4156] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4157] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4159] <... set_robust_list resumed>) = 0 [pid 4159] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4159] chdir("./732") = 0 [pid 4159] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4159] setpgid(0, 0) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4160 [pid 4159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4159] <... openat resumed>) = 3 [pid 4156] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4159] write(3, "1000", 4) = 4 [pid 4159] close(3) = 0 [pid 4159] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4157] +++ exited with 0 +++ [pid 4156] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4159] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4159] <... write resumed>) = 18 executing program [pid 4159] mkdirat(AT_FDCWD, "./config", 0777 [pid 4156] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4159] <... mkdirat resumed>) = 0 [pid 4156] exit_group(0 [pid 4159] mount(NULL, "./config", "configfs", 0, NULL [pid 4156] <... exit_group resumed>) = ? [pid 4159] <... mount resumed>) = 0 [pid 4159] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4159] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 4159] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4159] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4159] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./758", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4156] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] openat(AT_FDCWD, "./758", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4159] <... symlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 4159] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] fstat(3 [pid 4159] <... unlinkat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4159] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] getdents64(3 [pid 4159] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4159] <... exit_group resumed>) = ? [pid 307] umount2("./758/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4159] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./758/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] unlink("./758/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4160 attached [pid 4160] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4160] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4160] chdir("./792" [pid 307] <... umount2 resumed>) = 0 [pid 4160] <... chdir resumed>) = 0 [pid 307] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4160] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4160] <... prctl resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./758/config" [pid 4160] setpgid(0, 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4160] <... setpgid resumed>) = 0 [pid 307] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4160] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./758/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4160] write(3, "1000", 4) = 4 [pid 4160] close(3 [pid 307] <... openat resumed>) = 4 [pid 4160] <... close resumed>) = 0 [pid 307] fstat(4 [pid 4160] symlink("/dev/binderfs", "./binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4160] <... symlink resumed>) = 0 [pid 307] getdents64(4 [pid 4160] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4160] <... write resumed>) = 18 [pid 307] getdents64(4 [pid 4160] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 4160] <... mkdirat resumed>) = 0 [pid 307] close(4 [pid 4160] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... close resumed>) = 0 [pid 4160] <... mount resumed>) = 0 [pid 307] rmdir("./758/config" [pid 4160] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4160] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 4160] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] getdents64(3 [pid 4160] <... mkdirat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4160] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] close(3 [pid 4160] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... close resumed>) = 0 [pid 4160] <... unlinkat resumed>) = 0 [pid 307] rmdir("./758" [pid 4160] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4160] exit_group(0) = ? [pid 307] <... rmdir resumed>) = 0 [pid 4160] +++ exited with 0 +++ [pid 307] mkdir("./759", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./732", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./732", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./732/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./732/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./732/binderfs") = 0 [pid 306] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4161 [pid 306] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./732/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./732/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./732/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4ci2-android-6-1/strace-static-x86_64: Process 4161 attached ) = 0 [pid 306] rmdir("./732/config" [pid 4161] set_robust_list(0x55556c898760, 24) = 0 [pid 4161] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 310] umount2("./792", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./792", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 308] umount2("./786", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(3 [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... close resumed>) = 0 [pid 310] umount2("./792/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./792/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./786", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rmdir("./732" [pid 310] unlink("./792/binderfs" [pid 308] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] fstat(3 [pid 310] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./792/config" [pid 308] getdents64(3 [pid 306] mkdir("./733", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./776", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./792/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./786/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./776", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./786/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] close(4 [pid 309] fstat(3 [pid 310] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./792/config") = 0 [pid 310] getdents64(3 [pid 308] unlink("./786/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3) = 0 [pid 309] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4162 [pid 310] rmdir("./792" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./776/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./793", 0777ci2-android-6-1/strace-static-x86_64: Process 4162 attached ) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./776/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4162] set_robust_list(0x55556c898760, 24 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4163 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4162] <... set_robust_list resumed>) = 0 [pid 4161] chdir("./759" [pid 309] unlink("./776/binderfs" [pid 308] newfstatat(AT_FDCWD, "./786/config" [pid 4161] <... chdir resumed>) = 0 [pid 4161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4161] setpgid(0, 0) = 0 [pid 4161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4161] write(3, "1000", 4) = 4 [pid 4161] close(3) = 0 [pid 4161] symlink("/dev/binderfs", "./binderfs" [pid 309] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4161] <... symlink resumed>) = 0 [pid 309] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4161] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4161] <... write resumed>) = 18 [pid 309] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 308] openat(AT_FDCWD, "./786/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4161] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4163 attached [pid 4162] rt_sigprocmask(SIG_SETMASK, [] [pid 4161] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./776/config" [pid 308] fstat(4 [pid 4161] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4161] <... mount resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./776/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 4161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4161] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(4 [pid 308] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 4161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] rmdir("./786/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4163] set_robust_list(0x55556c898760, 24 [pid 4162] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4161] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 4161] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4161] <... symlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 309] rmdir("./776/config" [pid 308] <... close resumed>) = 0 [pid 4161] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4161] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4161] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./786" [pid 309] getdents64(3 [pid 4161] <... exit_group resumed>) = ? [pid 4163] <... set_robust_list resumed>) = 0 [pid 4162] chdir("./733" [pid 4161] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 308] mkdir("./787", 0777 [pid 4163] rt_sigprocmask(SIG_SETMASK, [] [pid 4162] <... chdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./776" [pid 308] <... mkdir resumed>) = 0 [pid 4162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] umount2("./759", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4163] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./759", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4162] <... prctl resumed>) = 0 [pid 309] mkdir("./777", 0777 [pid 307] getdents64(3 [pid 4162] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./759/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4162] <... setpgid resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] newfstatat(AT_FDCWD, "./759/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./759/binderfs") = 0 [pid 307] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4164 attached [pid 4163] chdir("./793" [pid 4162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = 0 [pid 4163] <... chdir resumed>) = 0 [pid 307] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4163] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4162] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4163] <... prctl resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./759/config" [pid 4163] setpgid(0, 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4163] <... setpgid resumed>) = 0 [pid 307] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4163] <... openat resumed>) = 3 [pid 4162] write(3, "1000", 4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4165 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4164 [pid 307] openat(AT_FDCWD, "./759/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4164] set_robust_list(0x55556c898760, 24 [pid 307] <... openat resumed>) = 4 [pid 4162] <... write resumed>) = 4 [pid 307] fstat(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4162] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 4162] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4162] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./759/config" [pid 4164] <... set_robust_list resumed>) = 0 [pid 4163] write(3, "1000", 4 [pid 4162] <... symlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 4162] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4162] <... write resumed>) = 18 [pid 307] close(3) = 0 executing program [pid 4162] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] rmdir("./759") = 0 [pid 307] mkdir("./760", 0777 [pid 4163] <... write resumed>) = 4 [pid 4162] <... mkdirat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4164] rt_sigprocmask(SIG_SETMASK, [] [pid 4162] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4162] <... mount resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4163] close(3 [pid 4162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-6-1/strace-static-x86_64: Process 4166 attached [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4166 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4162] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4165 attached [pid 4165] set_robust_list(0x55556c898760, 24) = 0 [pid 4165] rt_sigprocmask(SIG_SETMASK, [] [pid 4163] <... close resumed>) = 0 [pid 4162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4164] chdir("./787" [pid 4162] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4165] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4165] chdir("./777") = 0 [pid 4165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4162] <... mkdirat resumed>) = 0 [pid 4165] setpgid(0, 0 [pid 4162] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4165] <... setpgid resumed>) = 0 [pid 4165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4162] <... symlinkat resumed>) = 0 [pid 4165] <... openat resumed>) = 3 [pid 4163] symlink("/dev/binderfs", "./binderfs" [pid 4162] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4165] write(3, "1000", 4) = 4 [pid 4165] close(3) = 0 [pid 4165] symlink("/dev/binderfs", "./binderfs" [pid 4162] <... unlinkat resumed>) = 0 [pid 4165] <... symlink resumed>) = 0 [pid 4163] <... symlink resumed>) = 0 [pid 4162] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4165] write(1, "executing program\n", 18) = 18 [pid 4165] mkdirat(AT_FDCWD, "./config", 0777 [pid 4163] write(1, "executing program\n", 18 [pid 4162] <... unlinkat resumed>) = 0 executing program executing program [pid 4166] set_robust_list(0x55556c898760, 24 [pid 4165] <... mkdirat resumed>) = 0 [pid 4164] <... chdir resumed>) = 0 [pid 4163] <... write resumed>) = 18 [pid 4162] exit_group(0 [pid 4166] <... set_robust_list resumed>) = 0 [pid 4162] <... exit_group resumed>) = ? [pid 4166] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4166] chdir("./760") = 0 [pid 4165] mount(NULL, "./config", "configfs", 0, NULL [pid 4166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4165] <... mount resumed>) = 0 [pid 4162] +++ exited with 0 +++ [pid 4163] mkdirat(AT_FDCWD, "./config", 0777 [pid 4166] <... prctl resumed>) = 0 [pid 4165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4166] setpgid(0, 0 [pid 4165] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4166] <... setpgid resumed>) = 0 [pid 4165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4165] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4163] <... mkdirat resumed>) = 0 [pid 4166] <... openat resumed>) = 3 [pid 4165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4166] write(3, "1000", 4 [pid 4165] <... mkdirat resumed>) = 0 [pid 4166] <... write resumed>) = 4 [pid 4165] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4166] close(3 [pid 4165] <... symlinkat resumed>) = 0 [pid 4166] <... close resumed>) = 0 [pid 4165] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4163] mount(NULL, "./config", "configfs", 0, NULL [pid 4166] symlink("/dev/binderfs", "./binderfs" [pid 4165] <... unlinkat resumed>) = 0 [pid 4166] <... symlink resumed>) = 0 [pid 4165] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4166] write(1, "executing program\n", 18 [pid 4165] <... unlinkat resumed>) = 0 [pid 4164] <... prctl resumed>) = 0 [pid 4163] <... mount resumed>) = 0 [pid 4166] <... write resumed>) = 18 executing program [pid 4165] exit_group(0 [pid 4166] mkdirat(AT_FDCWD, "./config", 0777 [pid 4165] <... exit_group resumed>) = ? [pid 4164] setpgid(0, 0 [pid 4163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4166] <... mkdirat resumed>) = 0 [pid 4165] +++ exited with 0 +++ [pid 4164] <... setpgid resumed>) = 0 [pid 4163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4166] mount(NULL, "./config", "configfs", 0, NULL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4166] <... mount resumed>) = 0 [pid 4163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4164] <... openat resumed>) = 3 [pid 4163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4166] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4166] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4164] write(3, "1000", 4 [pid 4163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4166] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4166] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4164] <... write resumed>) = 4 [pid 4163] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4166] exit_group(0) = ? [pid 4166] +++ exited with 0 +++ [pid 4164] close(3 [pid 4163] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4164] <... close resumed>) = 0 [pid 4164] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4163] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4164] write(1, "executing program\n", 18) = 18 [pid 309] <... restart_syscall resumed>) = 0 executing program [pid 4164] mkdirat(AT_FDCWD, "./config", 0777 [pid 4163] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4164] <... mkdirat resumed>) = 0 [pid 4164] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4163] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./777", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4164] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4163] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4163] exit_group(0 [pid 309] openat(AT_FDCWD, "./777", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4163] <... exit_group resumed>) = ? [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4164] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(3 [pid 4164] <... mkdirat resumed>) = 0 [pid 4163] +++ exited with 0 +++ [pid 4164] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... restart_syscall resumed>) = 0 [pid 4164] <... symlinkat resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./777/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 4164] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4164] <... unlinkat resumed>) = 0 [pid 4164] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] newfstatat(AT_FDCWD, "./777/binderfs" [pid 306] umount2("./733", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4164] exit_group(0 [pid 310] umount2("./793", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./760", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4164] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./777/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4164] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./793", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./760", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./733", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 309] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] <... umount2 resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] newfstatat(AT_FDCWD, "./777/config" [pid 307] umount2("./760/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 310] umount2("./793/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./760/binderfs" [pid 309] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./760/binderfs" [pid 306] umount2("./733/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./793/binderfs" [pid 309] openat(AT_FDCWD, "./777/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./793/binderfs") = 0 [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./733/binderfs" [pid 310] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./760/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./733/binderfs" [pid 310] newfstatat(AT_FDCWD, "./793/config" [pid 309] getdents64(4 [pid 307] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./760/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./793/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 307] fstat(4 [pid 310] <... openat resumed>) = 4 [pid 309] rmdir("./777/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] fstat(4 [pid 307] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 306] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 307] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./733/config" [pid 310] close(4 [pid 307] rmdir("./760/config" [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./793/config" [pid 309] rmdir("./777" [pid 307] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./733/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 307] close(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 310] close(3 [pid 307] rmdir("./760" [pid 310] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./793" [pid 307] mkdir("./761", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] mkdir("./778", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./733/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./794", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... mkdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4167 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4167 attached [pid 308] umount2("./787", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4168 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4168 attached [pid 4168] set_robust_list(0x55556c898760, 24) = 0 [pid 4168] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4168] chdir("./794" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 4168] <... chdir resumed>) = 0 [pid 4168] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4168] setpgid(0, 0) = 0 [pid 4168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4169 [pid 308] openat(AT_FDCWD, "./787", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4168] write(3, "1000", 4 [pid 308] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4168] <... write resumed>) = 4 [pid 4168] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4168] <... close resumed>) = 0 [pid 4168] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4168] write(1, "executing program\n", 18) = 18 [pid 308] getdents64(3 executing program [pid 4168] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4168] <... mkdirat resumed>) = 0 [pid 4167] set_robust_list(0x55556c898760, 24 [pid 308] umount2("./787/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./733/config" [pid 4168] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4167] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4169 attached [pid 4169] set_robust_list(0x55556c898760, 24) = 0 [pid 4169] rt_sigprocmask(SIG_SETMASK, [] [pid 308] newfstatat(AT_FDCWD, "./787/binderfs" [pid 306] getdents64(3 [pid 4167] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4169] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4169] chdir("./778") = 0 [pid 308] unlink("./787/binderfs" [pid 306] close(3 [pid 4169] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4169] setpgid(0, 0) = 0 [pid 4169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4169] write(3, "1000", 4) = 4 [pid 4169] close(3) = 0 [pid 4169] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4168] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4167] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./733" [pid 4169] write(1, "executing program\n", 18) = 18 executing program [pid 4169] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4167] chdir("./761" [pid 308] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4169] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4167] <... chdir resumed>) = 0 [pid 308] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./734", 0777 [pid 4167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 308] newfstatat(AT_FDCWD, "./787/config" [pid 306] <... mkdir resumed>) = 0 [pid 4167] <... prctl resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4167] setpgid(0, 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4169] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4167] <... setpgid resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] openat(AT_FDCWD, "./787/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4169] <... symlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4169] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] fstat(4 [pid 4169] <... unlinkat resumed>) = 0 [pid 4169] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4169] exit_group(0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4169] <... exit_group resumed>) = ? [pid 4167] <... openat resumed>) = 3 [pid 308] getdents64(4 [pid 4167] write(3, "1000", 4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4170 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4169] +++ exited with 0 +++ [pid 4168] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4167] <... write resumed>) = 4 [pid 308] getdents64(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4167] close(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] close(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4167] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... close resumed>) = 0 [pid 4167] symlink("/dev/binderfs", "./binderfs" [pid 308] rmdir("./787/config"ci2-android-6-1/strace-static-x86_64: Process 4170 attached [pid 4170] set_robust_list(0x55556c898760, 24) = 0 [pid 4170] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 4170] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4170] chdir("./734") = 0 [pid 4167] <... symlink resumed>) = 0 [pid 308] getdents64(3 [pid 4170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4167] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4170] <... prctl resumed>) = 0 [pid 308] close(3 [pid 4167] <... write resumed>) = 18 [pid 4170] setpgid(0, 0 [pid 308] <... close resumed>) = 0 [pid 4170] <... setpgid resumed>) = 0 executing program [pid 4167] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rmdir("./787" [pid 4170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4170] write(3, "1000", 4) = 4 [pid 4170] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 4170] <... close resumed>) = 0 [pid 4170] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4167] <... mkdirat resumed>) = 0 [pid 308] mkdir("./788", 0777 [pid 4170] write(1, "executing program\n", 18) = 18 executing program [pid 4170] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4167] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... mkdir resumed>) = 0 [pid 4170] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4170] <... mount resumed>) = 0 [pid 4167] <... mount resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4167] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4167] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4171 [pid 4170] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4167] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4170] <... symlinkat resumed>) = 0 [pid 4167] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4170] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4167] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4170] <... unlinkat resumed>) = 0 [pid 4170] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4170] exit_group(0 [pid 4167] <... mkdirat resumed>) = 0 [pid 4170] <... exit_group resumed>) = ? [pid 4170] +++ exited with 0 +++ [pid 4168] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4167] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4171 attached [pid 4167] <... symlinkat resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4167] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4171] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4171] rt_sigprocmask(SIG_SETMASK, [] [pid 4167] <... unlinkat resumed>) = 0 [pid 4171] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4171] chdir("./788") = 0 [pid 4167] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./778", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4171] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4171] <... prctl resumed>) = 0 [pid 309] openat(AT_FDCWD, "./778", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4171] setpgid(0, 0 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 4167] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4171] <... setpgid resumed>) = 0 [pid 309] getdents64(3 [pid 4171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4167] exit_group(0 [pid 309] umount2("./778/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4167] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./778/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./778/binderfs" [pid 4171] <... openat resumed>) = 3 [pid 4171] write(3, "1000", 4) = 4 [pid 309] <... unlink resumed>) = 0 [pid 4171] close(3 [pid 309] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4171] <... close resumed>) = 0 [pid 4171] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4167] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./778/config" [pid 4168] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4168] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4171] <... symlink resumed>) = 0 [pid 4168] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4171] write(1, "executing program\n", 18) = 18 executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4171] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] openat(AT_FDCWD, "./778/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4171] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4168] exit_group(0 [pid 309] fstat(4 [pid 4171] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4171] <... mount resumed>) = 0 [pid 309] getdents64(4 [pid 4171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4171] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 4171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4171] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(4 [pid 4171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4168] <... exit_group resumed>) = ? [pid 309] <... close resumed>) = 0 [pid 4171] <... mkdirat resumed>) = 0 [pid 309] rmdir("./778/config" [pid 4171] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4171] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(3 [pid 4171] <... unlinkat resumed>) = 0 [pid 4171] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4171] <... unlinkat resumed>) = 0 [pid 309] close(3 [pid 4171] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 4171] <... exit_group resumed>) = ? [pid 309] rmdir("./778" [pid 4171] +++ exited with 0 +++ [pid 4168] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] mkdir("./779", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./734", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./734", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4172 attached , 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4172] set_robust_list(0x55556c898760, 24 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4172 [pid 306] umount2("./734/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4172] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./734/binderfs" [pid 4172] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4172] chdir("./779" [pid 306] unlink("./734/binderfs" [pid 4172] <... chdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4172] <... prctl resumed>) = 0 [pid 4172] setpgid(0, 0) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4172] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4172] write(3, "1000", 4 [pid 306] newfstatat(AT_FDCWD, "./734/config" [pid 4172] <... write resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] umount2("./734/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./794", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 307] umount2("./761", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./734/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./794", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./761", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 308] umount2("./788", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 4 [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./788", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(4 [pid 310] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4172] close(3 [pid 310] umount2("./794/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./761/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4172] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 4172] symlink("/dev/binderfs", "./binderfs" [pid 310] newfstatat(AT_FDCWD, "./794/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] newfstatat(AT_FDCWD, "./761/binderfs" [pid 4172] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./788/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4172] write(1, "executing program\n", 18 executing program [pid 310] unlink("./794/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./761/binderfs" [pid 306] getdents64(4 [pid 4172] <... write resumed>) = 18 [pid 310] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./788/binderfs" [pid 307] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4172] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 4172] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] unlink("./788/binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 4172] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 307] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4172] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./734/config" [pid 4172] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./794/config" [pid 308] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./761/config" [pid 4172] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4172] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4172] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./788/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 4172] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] openat(AT_FDCWD, "./794/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./761/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4172] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4172] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 306] close(3 [pid 4172] <... symlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./788/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4172] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 [pid 308] <... openat resumed>) = 4 [pid 307] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 4172] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] rmdir("./734" [pid 4172] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 4172] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4172] exit_group(0 [pid 310] close(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] close(4 [pid 306] mkdir("./735", 0777 [pid 4172] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 4172] +++ exited with 0 +++ [pid 310] rmdir("./794/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./761/config" [pid 306] <... mkdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] close(4 [pid 307] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rmdir("./788/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] close(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 310] rmdir("./794" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./761" [pid 310] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 310] mkdir("./795", 0777 [pid 309] umount2("./779", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] mkdir("./762", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4173 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./788" [pid 307] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] mkdir("./789", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... mkdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4174 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4175 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4176 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4173 attached [pid 4173] set_robust_list(0x55556c898760, 24) = 0 [pid 4173] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4173] chdir("./735") = 0 [pid 4173] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4173] setpgid(0, 0) = 0 [pid 4173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4173] write(3, "1000", 4) = 4 [pid 4173] close(3) = 0 [pid 4173] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4173] write(1, "executing program\n", 18) = 18 [pid 4173] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4175 attached ) = 0 [pid 4175] set_robust_list(0x55556c898760, 24) = 0 [pid 4175] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4175] chdir("./762") = 0 [pid 4175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4175] setpgid(0, 0) = 0 [pid 4173] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4175] write(3, "1000", 4) = 4 [pid 4175] close(3) = 0 [pid 4175] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4173] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4175] write(1, "executing program\n", 18 [pid 4173] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4175] <... write resumed>) = 18 [pid 4173] <... unlinkat resumed>) = 0 [pid 4175] mkdirat(AT_FDCWD, "./config", 0777 [pid 4173] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4175] <... mkdirat resumed>) = 0 [pid 4173] <... unlinkat resumed>) = 0 [pid 4173] exit_group(0) = ? [pid 4173] +++ exited with 0 +++ [pid 4175] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) executing program executing program [pid 4175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4175] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4175] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] openat(AT_FDCWD, "./779", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4176 attached [pid 309] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4176] set_robust_list(0x55556c898760, 24) = 0 [pid 309] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4174 attached [pid 4175] <... unlinkat resumed>) = 0 [pid 4175] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4176] rt_sigprocmask(SIG_SETMASK, [] [pid 4175] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4174] set_robust_list(0x55556c898760, 24 [pid 4176] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4174] <... set_robust_list resumed>) = 0 [pid 309] umount2("./779/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4175] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4176] chdir("./789" [pid 309] newfstatat(AT_FDCWD, "./779/binderfs" [pid 4174] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4176] <... chdir resumed>) = 0 [pid 4174] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./779/binderfs" [pid 4176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... unlink resumed>) = 0 [pid 4174] chdir("./795" [pid 4176] <... prctl resumed>) = 0 [pid 309] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4175] <... exit_group resumed>) = ? [pid 4176] setpgid(0, 0 [pid 309] <... umount2 resumed>) = 0 [pid 4176] <... setpgid resumed>) = 0 [pid 4175] +++ exited with 0 +++ [pid 4174] <... chdir resumed>) = 0 [pid 309] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./779/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4174] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4176] <... openat resumed>) = 3 [pid 4174] <... prctl resumed>) = 0 [pid 309] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4176] write(3, "1000", 4 [pid 4174] setpgid(0, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4176] <... write resumed>) = 4 [pid 4174] <... setpgid resumed>) = 0 [pid 309] openat(AT_FDCWD, "./779/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4176] close(3 [pid 4174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... openat resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] fstat(4 [pid 4176] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4174] <... openat resumed>) = 3 [pid 4176] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(4 [pid 307] umount2("./762", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] openat(AT_FDCWD, "./762", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 4176] <... symlink resumed>) = 0 [pid 4174] write(3, "1000", 4 [pid 309] close(4 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4176] write(1, "executing program\n", 18 [pid 4174] <... write resumed>) = 4 [pid 309] <... close resumed>) = 0 executing program [pid 307] getdents64(3 [pid 4176] <... write resumed>) = 18 [pid 4174] close(3 [pid 309] rmdir("./779/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./762/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./762/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./762/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 307] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4176] mkdirat(AT_FDCWD, "./config", 0777 [pid 4174] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 309] close(3 [pid 307] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4176] <... mkdirat resumed>) = 0 [pid 4174] symlink("/dev/binderfs", "./binderfs" [pid 309] rmdir("./779" [pid 307] newfstatat(AT_FDCWD, "./762/config" [pid 4176] mount(NULL, "./config", "configfs", 0, NULL [pid 4174] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4176] <... mount resumed>) = 0 [pid 4174] write(1, "executing program\n", 18 executing program [pid 309] mkdir("./780", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4174] <... write resumed>) = 18 [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4176] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4174] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./735", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4174] <... mkdirat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./762/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4176] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4174] mount(NULL, "./config", "configfs", 0, NULL [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./735", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4174] <... mount resumed>) = 0 [pid 307] fstat(4 [pid 306] <... openat resumed>) = 3 [pid 4176] <... mkdirat resumed>) = 0 [pid 4174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4177 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 4176] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4174] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4176] <... symlinkat resumed>) = 0 [pid 4174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(3 [pid 4176] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4174] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4176] <... unlinkat resumed>) = 0 [pid 4174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./735/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4176] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4174] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4177 attached [pid 4176] <... unlinkat resumed>) = 0 [pid 4174] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./735/binderfs" [pid 4177] set_robust_list(0x55556c898760, 24 [pid 4176] exit_group(0 [pid 4174] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] rmdir("./762/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4176] <... exit_group resumed>) = ? [pid 4174] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] unlink("./735/binderfs" [pid 4177] <... set_robust_list resumed>) = 0 [pid 4176] +++ exited with 0 +++ [pid 4174] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4177] rt_sigprocmask(SIG_SETMASK, [] [pid 4174] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] getdents64(3 [pid 306] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4177] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4174] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4177] chdir("./780" [pid 4174] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(3 [pid 306] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4177] <... chdir resumed>) = 0 [pid 4174] <... exit_group resumed>) = ? [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4174] +++ exited with 0 +++ [pid 307] rmdir("./762" [pid 306] newfstatat(AT_FDCWD, "./735/config" [pid 4177] <... prctl resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4177] setpgid(0, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./735/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4177] <... setpgid resumed>) = 0 [pid 307] mkdir("./763", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] openat(AT_FDCWD, "./735/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... mkdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4177] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] fstat(4 [pid 4177] write(3, "1000", 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4177] <... write resumed>) = 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4 [pid 4177] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4177] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4178 [pid 306] close(4 [pid 4177] symlink("/dev/binderfs", "./binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 4177] <... symlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./735/config" [pid 4177] write(1, "executing program\n", 18 [pid 306] <... rmdir resumed>) = 0 executing program [pid 4177] <... write resumed>) = 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] getdents64(3 [pid 4177] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] close(3 [pid 4177] <... mkdirat resumed>) = 0 [pid 310] umount2("./795", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4177] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./735" [pid 4177] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./795", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 4177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 308] umount2("./789", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./736", 0777ci2-android-6-1/strace-static-x86_64: Process 4178 attached [pid 4177] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 4178] set_robust_list(0x55556c898760, 24 [pid 4177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./789", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4178] <... set_robust_list resumed>) = 0 [pid 4177] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4178] rt_sigprocmask(SIG_SETMASK, [] [pid 4177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4178] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4177] <... mkdirat resumed>) = 0 [pid 310] umount2("./795/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4178] chdir("./763" [pid 4177] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4179 [pid 4178] <... chdir resumed>) = 0 [pid 4177] <... symlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./795/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4178] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4177] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./789/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4178] <... prctl resumed>) = 0 [pid 4177] <... unlinkat resumed>) = 0 [pid 310] unlink("./795/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4178] setpgid(0, 0 [pid 4177] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./789/binderfs" [pid 4178] <... setpgid resumed>) = 0 [pid 4177] <... unlinkat resumed>) = 0 [pid 310] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4177] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4178] <... openat resumed>) = 3 [pid 4177] <... exit_group resumed>) = ? [pid 310] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./789/binderfs" [pid 4178] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4177] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./795/config" [pid 4178] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... unlink resumed>) = 0 [pid 4178] close(3 [pid 310] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4178] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4179 attached [pid 4178] symlink("/dev/binderfs", "./binderfs" executing program [pid 310] openat(AT_FDCWD, "./795/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = 0 [pid 4179] set_robust_list(0x55556c898760, 24 [pid 4178] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4179] <... set_robust_list resumed>) = 0 [pid 4178] write(1, "executing program\n", 18 [pid 310] fstat(4 [pid 4179] rt_sigprocmask(SIG_SETMASK, [] [pid 4178] <... write resumed>) = 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4179] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4178] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./789/config" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4179] chdir("./736" [pid 4178] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4179] <... chdir resumed>) = 0 [pid 4178] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4178] <... mount resumed>) = 0 [pid 310] close(4 [pid 308] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4179] <... prctl resumed>) = 0 [pid 4178] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4179] setpgid(0, 0 [pid 4178] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./795/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4179] <... setpgid resumed>) = 0 [pid 4178] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./789/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4178] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 309] umount2("./780", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4179] <... openat resumed>) = 3 [pid 4178] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 4 [pid 4179] write(3, "1000", 4 [pid 4178] <... mkdirat resumed>) = 0 [pid 310] close(3 [pid 309] openat(AT_FDCWD, "./780", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(4 [pid 4179] <... write resumed>) = 4 [pid 4178] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4179] close(3 [pid 4178] <... symlinkat resumed>) = 0 [pid 310] rmdir("./795" [pid 309] fstat(3 [pid 4179] <... close resumed>) = 0 [pid 4178] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 4179] symlink("/dev/binderfs", "./binderfs" [pid 4178] <... unlinkat resumed>) = 0 [pid 310] mkdir("./796", 0777 [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4179] <... symlink resumed>) = 0 [pid 4178] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(4 [pid 4179] write(1, "executing program\n", 18 [pid 4178] <... unlinkat resumed>) = 0 executing program [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./780/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4179] <... write resumed>) = 18 [pid 4178] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 4179] mkdirat(AT_FDCWD, "./config", 0777 [pid 4178] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./780/binderfs" [pid 4179] <... mkdirat resumed>) = 0 [pid 4178] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4179] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4180 [pid 309] unlink("./780/binderfs" [pid 308] rmdir("./789/config" [pid 4179] <... mount resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 4179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 4179] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 308] getdents64(3 [pid 4179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./763", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4179] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] newfstatat(AT_FDCWD, "./780/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 4179] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./763", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4179] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./780/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4179] <... symlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] rmdir("./789" [pid 307] fstat(3 [pid 4179] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4179] <... unlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 308] mkdir("./790", 0777 [pid 4179] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(3 [pid 309] getdents64(4 [pid 308] <... mkdir resumed>) = 0 [pid 4179] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4179] exit_group(0 [pid 309] close(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./763/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4179] <... exit_group resumed>) = ? [pid 309] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./780/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4179] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./763/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4181 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./763/binderfs" [pid 309] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./780") = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] mkdir("./781", 0777) = 0 [pid 307] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 4180 attached , [], 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4180] set_robust_list(0x55556c898760, 24 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4181 attached [pid 4180] <... set_robust_list resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4180] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4182 [pid 307] newfstatat(AT_FDCWD, "./763/config" [pid 306] umount2("./736", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4181] set_robust_list(0x55556c898760, 24 [pid 4180] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4180] chdir("./796" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./736", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4180] <... chdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] fstat(3 [pid 4180] <... prctl resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4180] setpgid(0, 0 [pid 306] getdents64(3 [pid 4180] <... setpgid resumed>) = 0 [pid 4180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4180] write(3, "1000", 4) = 4 [pid 4180] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4181] <... set_robust_list resumed>) = 0 [pid 4180] <... close resumed>) = 0 [pid 307] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./736/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4181] rt_sigprocmask(SIG_SETMASK, [] [pid 4180] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4182 attached [pid 4181] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./763/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./736/binderfs" [pid 4182] set_robust_list(0x55556c898760, 24 [pid 4181] chdir("./790" [pid 307] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4182] <... set_robust_list resumed>) = 0 [pid 4181] <... chdir resumed>) = 0 [pid 307] fstat(4 [pid 306] unlink("./736/binderfs" [pid 4182] rt_sigprocmask(SIG_SETMASK, [] [pid 4181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4182] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4181] <... prctl resumed>) = 0 [pid 307] getdents64(4 [pid 4181] setpgid(0, 0 [pid 4182] chdir("./781" [pid 4181] <... setpgid resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] getdents64(4 [pid 4182] <... chdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4181] <... openat resumed>) = 3 [pid 307] close(4 [pid 4182] <... prctl resumed>) = 0 [pid 4181] write(3, "1000", 4 [pid 4182] setpgid(0, 0 [pid 4181] <... write resumed>) = 4 [pid 307] <... close resumed>) = 0 [pid 4182] <... setpgid resumed>) = 0 [pid 4181] close(3 [pid 307] rmdir("./763/config" [pid 4181] <... close resumed>) = 0 [pid 4181] symlink("/dev/binderfs", "./binderfs" [pid 4182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4182] write(3, "1000", 4) = 4 [pid 4182] close(3) = 0 [pid 4182] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 executing program [pid 4182] write(1, "executing program\n", 18 [pid 307] getdents64(3 [pid 4182] <... write resumed>) = 18 [pid 4181] <... symlink resumed>) = 0 [pid 306] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4182] mkdirat(AT_FDCWD, "./config", 0777 [pid 4181] write(1, "executing program\n", 18 [pid 4180] <... symlink resumed>) = 0 executing program [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4182] <... mkdirat resumed>) = 0 [pid 4181] <... write resumed>) = 18 [pid 4180] write(1, "executing program\n", 18 [pid 307] close(3 [pid 306] <... umount2 resumed>) = 0 [pid 4182] mount(NULL, "./config", "configfs", 0, NULL [pid 4181] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4180] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./763" executing program [pid 306] newfstatat(AT_FDCWD, "./736/config" [pid 4182] <... mount resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4182] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] mkdir("./764", 0777 [pid 306] umount2("./736/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4182] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4181] <... mkdirat resumed>) = 0 [pid 4180] mkdirat(AT_FDCWD, "./config", 0777 [pid 4182] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4182] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4181] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4182] <... mkdirat resumed>) = 0 [pid 4180] <... mkdirat resumed>) = 0 [pid 306] openat(AT_FDCWD, "./736/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4182] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4181] <... mount resumed>) = 0 [pid 4180] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4182] <... symlinkat resumed>) = 0 [pid 4181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... openat resumed>) = 4 [pid 4182] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4181] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4180] <... mount resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] fstat(4 [pid 4182] <... unlinkat resumed>) = 0 [pid 4181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4182] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4181] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4180] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4182] <... unlinkat resumed>) = 0 [pid 4182] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 4183 attached [pid 4182] +++ exited with 0 +++ [pid 4181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] getdents64(4 [pid 4181] <... mkdirat resumed>) = 0 [pid 4180] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4183 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4181] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4180] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 4181] <... symlinkat resumed>) = 0 [pid 4180] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4181] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4180] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 306] close(4 [pid 4181] <... unlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4181] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4180] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rmdir("./736/config" [pid 4181] <... unlinkat resumed>) = 0 [pid 4180] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... rmdir resumed>) = 0 [pid 4180] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4181] exit_group(0 [pid 4180] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4181] <... exit_group resumed>) = ? [pid 306] getdents64(3 [pid 4180] exit_group(0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4180] <... exit_group resumed>) = ? [pid 4181] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4180] +++ exited with 0 +++ [pid 306] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./736") = 0 [pid 306] mkdir("./737", 0777) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c898750) = 4184 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4183] set_robust_list(0x55556c898760, 24) = 0 [pid 4183] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4183] chdir("./764") = 0 [pid 4183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4183] setpgid(0, 0) = 0 [pid 4183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4183] write(3, "1000", 4) = 4 [pid 4183] close(3) = 0 [pid 4183] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4183] write(1, "executing program\n", 18) = 18 ci2-android-6-1/strace-static-x86_64: Process 4184 attached executing program [pid 4184] set_robust_list(0x55556c898760, 24 [pid 4183] mkdirat(AT_FDCWD, "./config", 0777 [pid 4184] <... set_robust_list resumed>) = 0 [pid 4184] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4184] chdir("./737") = 0 [pid 4183] <... mkdirat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4183] mount(NULL, "./config", "configfs", 0, NULL [pid 308] umount2("./790", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./790", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./781", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./790/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./781", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./790/binderfs" [pid 309] <... openat resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./796", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./790/binderfs" [pid 310] openat(AT_FDCWD, "./796", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] umount2("./781/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./781/binderfs" [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4183] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] unlink("./781/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 4183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./796/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./796/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./796/binderfs" [pid 308] newfstatat(AT_FDCWD, "./790/config" [pid 4183] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./781/config" [pid 308] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4183] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./796/config" [pid 309] openat(AT_FDCWD, "./781/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./790/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4183] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 308] <... openat resumed>) = 4 [pid 4183] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./796/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(4 [pid 310] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 4183] <... symlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4183] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 4184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] close(4 [pid 310] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 308] close(4 [pid 4183] <... unlinkat resumed>) = 0 [pid 310] close(4 [pid 309] rmdir("./781/config" [pid 4183] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4184] <... prctl resumed>) = 0 [pid 4184] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] rmdir("./796/config" [pid 309] getdents64(3 [pid 308] rmdir("./790/config" [pid 4184] <... setpgid resumed>) = 0 [pid 4184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 310] close(3 [pid 308] getdents64(3 [pid 309] rmdir("./781" [pid 4184] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 4183] <... unlinkat resumed>) = 0 [pid 310] rmdir("./796" [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4184] write(3, "1000", 4) = 4 [pid 4183] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 309] mkdir("./782", 0777 [pid 308] close(3 [pid 4183] <... exit_group resumed>) = ? [pid 310] mkdir("./797", 0777 [pid 4184] close(3) = 0 [pid 4184] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4184] write(1, "executing program\n", 18) = 18 [pid 4184] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rmdir("./790" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4184] <... mkdirat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rmdir resumed>) = 0 [pid 4184] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4184] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4185 [pid 308] mkdir("./791", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4186 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4184] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4184] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4184] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4184] <... exit_group resumed>) = ? [pid 4184] +++ exited with 0 +++ [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4187 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4185 attached executing program [pid 4185] set_robust_list(0x55556c898760, 24) = 0 [pid 4185] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4185] chdir("./782") = 0 [pid 4185] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4185] setpgid(0, 0) = 0 [pid 4185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4183] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 4186 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4185] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... restart_syscall resumed>) = 0 [pid 4185] <... write resumed>) = 4 [pid 4185] close(3) = 0 [pid 4185] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] umount2("./737", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4185] write(1, "executing program\n", 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4185] <... write resumed>) = 18 executing program [pid 306] openat(AT_FDCWD, "./737", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4185] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... openat resumed>) = 3 [pid 4186] set_robust_list(0x55556c898760, 24 [pid 4185] <... mkdirat resumed>) = 0 [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4187 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4185] mount(NULL, "./config", "configfs", 0, NULL [pid 306] getdents64(3 [pid 4185] <... mount resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./737/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] newfstatat(AT_FDCWD, "./737/binderfs" [pid 4185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] unlink("./737/binderfs" [pid 4185] <... mkdirat resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4185] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4186] <... set_robust_list resumed>) = 0 [pid 4185] <... symlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4185] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4186] rt_sigprocmask(SIG_SETMASK, [] [pid 4185] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4185] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4186] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4185] <... unlinkat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./737/config" [pid 4185] exit_group(0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4186] chdir("./797" [pid 306] umount2("./737/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4185] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4186] <... chdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./737/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4187] set_robust_list(0x55556c898760, 24 [pid 4186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... openat resumed>) = 4 [pid 4187] <... set_robust_list resumed>) = 0 [pid 4186] <... prctl resumed>) = 0 [pid 4185] +++ exited with 0 +++ [pid 306] fstat(4 [pid 4187] rt_sigprocmask(SIG_SETMASK, [] [pid 4186] setpgid(0, 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4187] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4186] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4187] chdir("./791" [pid 4186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] getdents64(4 [pid 4187] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 4187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4186] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 4187] <... prctl resumed>) = 0 [pid 4186] write(3, "1000", 4 [pid 306] rmdir("./737/config" [pid 4187] setpgid(0, 0 [pid 4186] <... write resumed>) = 4 [pid 4187] <... setpgid resumed>) = 0 [pid 4186] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 4186] <... close resumed>) = 0 [pid 4187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] getdents64(3 [pid 4186] symlink("/dev/binderfs", "./binderfs" [pid 4187] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4187] write(3, "1000", 4 [pid 4186] <... symlink resumed>) = 0 [pid 306] close(3 [pid 4186] write(1, "executing program\n", 18 [pid 4187] <... write resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 4186] <... write resumed>) = 18 [pid 306] rmdir("./737" [pid 4187] close(3 executing program [pid 4186] mkdirat(AT_FDCWD, "./config", 0777 [pid 4187] <... close resumed>) = 0 [pid 4186] <... mkdirat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4187] symlink("/dev/binderfs", "./binderfs" [pid 4186] mount(NULL, "./config", "configfs", 0, NULL [pid 306] mkdir("./738", 0777 [pid 4186] <... mount resumed>) = 0 [pid 4186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... mkdir resumed>) = 0 [pid 4186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4187] <... symlink resumed>) = 0 [pid 4186] <... mkdirat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 4187] write(1, "executing program\n", 18ci2-android-6-1/strace-static-x86_64: Process 4188 attached ) = 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4188 [pid 4186] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4186] <... symlinkat resumed>) = 0 [pid 4187] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./782", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./782", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./764", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 4186] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] openat(AT_FDCWD, "./764", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 4186] <... unlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 307] fstat(3 [pid 4186] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./782/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4187] <... mkdirat resumed>) = 0 [pid 4186] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./782/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4187] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./764/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./782/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4186] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./764/binderfs" [pid 309] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4186] <... exit_group resumed>) = ? [pid 4188] set_robust_list(0x55556c898760, 24 [pid 4187] <... mount resumed>) = 0 [pid 4186] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = 0 [pid 307] unlink("./764/binderfs" [pid 4187] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4188] <... set_robust_list resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4187] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./782/config" [pid 4188] rt_sigprocmask(SIG_SETMASK, [] [pid 4187] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 309] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./782/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4187] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] newfstatat(AT_FDCWD, "./764/config" [pid 4187] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... openat resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 307] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] openat(AT_FDCWD, "./764/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4188] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 307] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4187] <... mkdirat resumed>) = 0 [pid 309] close(4 [pid 307] getdents64(4 [pid 4188] chdir("./738" [pid 309] <... close resumed>) = 0 [pid 4187] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./782/config" [pid 307] getdents64(4 [pid 4188] <... chdir resumed>) = 0 [pid 4188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4188] setpgid(0, 0) = 0 [pid 4188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4187] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 4187] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] close(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4188] <... openat resumed>) = 3 [pid 309] close(3 [pid 307] <... close resumed>) = 0 [pid 4187] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./764/config" [pid 4187] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rmdir("./782" [pid 4188] write(3, "1000", 4) = 4 [pid 4188] close(3) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4188] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 4188] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./783", 0777 [pid 4187] <... unlinkat resumed>) = 0 [pid 307] close(3 [pid 4188] <... write resumed>) = 18 executing program [pid 4188] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4187] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4187] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./764" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4188] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4188] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 4188] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4188] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4188] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4188] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] mkdir("./765", 0777 [pid 4188] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4188] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4189 [pid 307] <... mkdir resumed>) = 0 [pid 4188] exit_group(0) = ? [pid 4188] +++ exited with 0 +++ [pid 4187] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4189 attached [pid 4189] set_robust_list(0x55556c898760, 24) = 0 [pid 4189] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4189] chdir("./783") = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4190 [pid 4189] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4189] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4189] <... setpgid resumed>) = 0 [pid 4189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 4190 attached [pid 4190] set_robust_list(0x55556c898760, 24 [pid 4189] <... openat resumed>) = 3 [pid 4189] write(3, "1000", 4) = 4 [pid 4189] close(3) = 0 [pid 4189] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4189] write(1, "executing program\n", 18) = 18 executing program [pid 4189] mkdirat(AT_FDCWD, "./config", 0777 [pid 4190] <... set_robust_list resumed>) = 0 [pid 4189] <... mkdirat resumed>) = 0 [pid 4189] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4189] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4189] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4189] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4189] exit_group(0) = ? [pid 4190] rt_sigprocmask(SIG_SETMASK, [] [pid 4189] +++ exited with 0 +++ [pid 310] umount2("./797", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./791", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./738", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./797", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./791", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 308] fstat(3 [pid 306] openat(AT_FDCWD, "./738", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 4190] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] fstat(3 [pid 310] umount2("./797/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4190] chdir("./765" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./791/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./797/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./791/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] unlink("./797/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./738/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4190] <... chdir resumed>) = 0 [pid 4190] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... unlink resumed>) = 0 [pid 308] unlink("./791/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4190] <... prctl resumed>) = 0 [pid 4190] setpgid(0, 0 [pid 308] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./738/binderfs" [pid 4190] <... setpgid resumed>) = 0 [pid 4190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = 0 [pid 308] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./738/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 4190] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./797/config" [pid 308] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./791/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 4190] write(3, "1000", 4) = 4 [pid 4190] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./797/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./738/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./791/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4190] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./738/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 310] getdents64(4 [pid 4190] symlink("/dev/binderfs", "./binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 306] openat(AT_FDCWD, "./738/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4190] <... symlink resumed>) = 0 [pid 310] close(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 306] fstat(4 [pid 310] rmdir("./797/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4190] write(1, "executing program\n", 18) = 18 [pid 4190] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] close(4 [pid 306] getdents64(4 [pid 310] getdents64(3 [pid 308] <... close resumed>) = 0 executing program [pid 4190] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rmdir("./791/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4190] <... mount resumed>) = 0 [pid 4190] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 4190] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./797" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 4190] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4190] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 306] <... close resumed>) = 0 [pid 310] mkdir("./798", 0777 [pid 4190] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... close resumed>) = 0 [pid 306] rmdir("./738/config" [pid 4190] <... symlinkat resumed>) = 0 [pid 4190] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4190] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./791" [pid 306] <... rmdir resumed>) = 0 [pid 4190] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4190] <... exit_group resumed>) = ? [pid 4190] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 309] umount2("./783", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4191 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4191 [pid 309] openat(AT_FDCWD, "./783", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./792", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./783/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./783/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 309] unlink("./783/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... unlink resumed>) = 0 [pid 306] rmdir("./738" [pid 309] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4191] set_robust_list(0x55556c898760, 24 [pid 309] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4191] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4191] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./783/config" [pid 307] umount2("./765", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4191] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4191] chdir("./798" [pid 309] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./739", 0777 [pid 4191] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4192 [pid 307] openat(AT_FDCWD, "./765", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4191] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] openat(AT_FDCWD, "./783/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4191] <... prctl resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4191] setpgid(0, 0 [pid 309] fstat(4 [pid 4191] <... setpgid resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 3 [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4192 attached [pid 4191] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4191] write(3, "1000", 4 [pid 309] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4191] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4191] close(3 [pid 309] close(4 [pid 307] getdents64(3 [pid 4191] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4191] symlink("/dev/binderfs", "./binderfs" [pid 309] rmdir("./783/config" [pid 4191] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4191] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 4191] <... write resumed>) = 18 executing program [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./765/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4193 [pid 4191] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4192] set_robust_list(0x55556c898760, 24 [pid 4191] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4191] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rmdir("./783" [pid 307] newfstatat(AT_FDCWD, "./765/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4192] <... set_robust_list resumed>) = 0 [pid 4191] <... mount resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] mkdir("./784", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4192] rt_sigprocmask(SIG_SETMASK, [] [pid 4191] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 307] unlink("./765/binderfs" [pid 4191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4191] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4194 attached [pid 4192] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4191] <... mkdirat resumed>) = 0 [pid 307] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4191] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4194 [pid 4191] <... symlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = 0 [pid 4192] chdir("./792" [pid 4191] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4191] <... unlinkat resumed>) = 0 [pid 4191] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4191] <... unlinkat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./765/config" [pid 4192] <... chdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4191] exit_group(0 [pid 307] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4191] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4194] set_robust_list(0x55556c898760, 24 [pid 4192] <... prctl resumed>) = 0 [pid 4191] +++ exited with 0 +++ [pid 307] openat(AT_FDCWD, "./765/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4193 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... openat resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(4 [pid 4193] set_robust_list(0x55556c898760, 24 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4193] <... set_robust_list resumed>) = 0 [pid 307] getdents64(4 [pid 4193] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4193] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4193] chdir("./739" [pid 307] getdents64(4 [pid 4193] <... chdir resumed>) = 0 [pid 4193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4193] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4193] <... setpgid resumed>) = 0 [pid 307] close(4 [pid 4193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... close resumed>) = 0 [pid 4194] <... set_robust_list resumed>) = 0 [pid 4193] <... openat resumed>) = 3 [pid 4192] setpgid(0, 0 [pid 307] rmdir("./765/config" [pid 4193] write(3, "1000", 4) = 4 [pid 4193] close(3) = 0 [pid 4193] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4193] write(1, "executing program\n", 18 [pid 307] getdents64(3 [pid 4193] <... write resumed>) = 18 [pid 4193] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4192] <... setpgid resumed>) = 0 executing program [pid 307] close(3 [pid 4193] <... mkdirat resumed>) = 0 [pid 4192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... close resumed>) = 0 [pid 4193] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rmdir("./765" [pid 4193] <... mount resumed>) = 0 [pid 4193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 4193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] mkdir("./766", 0777 [pid 4193] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4193] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./798", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4192] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./798", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4193] <... symlinkat resumed>) = 0 [pid 4193] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4193] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4192] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4195 [pid 310] fstat(3 [pid 4192] <... write resumed>) = 4 [pid 4193] exit_group(0 [pid 4192] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4192] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4193] <... exit_group resumed>) = ? [pid 4194] rt_sigprocmask(SIG_SETMASK, [] [pid 4193] +++ exited with 0 +++ [pid 4192] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 4195 attached [pid 310] umount2("./798/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./798/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./798/binderfs" [pid 4195] set_robust_list(0x55556c898760, 24) = 0 [pid 4195] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 4192] <... symlink resumed>) = 0 [pid 310] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4195] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4195] chdir("./766" [pid 4192] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = 0 executing program [pid 4195] <... chdir resumed>) = 0 [pid 4192] <... write resumed>) = 18 [pid 310] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4192] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./798/config" [pid 4195] <... prctl resumed>) = 0 [pid 4195] setpgid(0, 0) = 0 [pid 4195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4195] <... openat resumed>) = 3 [pid 310] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4195] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4195] <... write resumed>) = 4 [pid 310] openat(AT_FDCWD, "./798/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4195] close(3 [pid 310] <... openat resumed>) = 4 [pid 4195] <... close resumed>) = 0 [pid 310] fstat(4 [pid 4192] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4195] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(4 [pid 4192] mount(NULL, "./config", "configfs", 0, NULL [pid 4195] <... symlink resumed>) = 0 [pid 4192] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4195] write(1, "executing program\n", 18 [pid 4192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(4 [pid 4195] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4195] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(4 [pid 4192] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4195] <... mkdirat resumed>) = 0 [pid 4194] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./798/config" [pid 4192] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4195] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 4195] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 4192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./739", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./739", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./798" [pid 306] <... openat resumed>) = 3 [pid 4195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4194] chdir("./784" [pid 310] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 310] mkdir("./799", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4194] <... chdir resumed>) = 0 [pid 4194] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4194] setpgid(0, 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 4195] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4192] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4195] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4194] <... openat resumed>) = 3 [pid 4192] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4194] write(3, "1000", 4) = 4 [pid 4194] close(3) = 0 [pid 4194] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4194] write(1, "executing program\n", 18) = 18 [pid 4194] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] umount2("./739/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4196 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4194] mount(NULL, "./config", "configfs", 0, NULL [pid 306] newfstatat(AT_FDCWD, "./739/binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4192] <... symlinkat resumed>) = 0 executing program [pid 306] unlink("./739/binderfs" [pid 4194] <... mount resumed>) = 0 [pid 4194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... unlink resumed>) = 0 [pid 4192] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = 0 [pid 4192] <... unlinkat resumed>) = 0 [pid 306] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4192] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] newfstatat(AT_FDCWD, "./739/config" [pid 4194] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4194] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./739/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4194] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4192] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4194] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] openat(AT_FDCWD, "./739/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4194] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4192] exit_group(0 [pid 306] <... openat resumed>) = 4 [pid 4194] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] fstat(4 [pid 4192] <... exit_group resumed>) = ? [pid 4194] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4194] exit_group(0 [pid 306] getdents64(4 [pid 4195] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4192] +++ exited with 0 +++ [pid 4194] <... exit_group resumed>) = ? [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(4 [pid 4195] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4195] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4194] +++ exited with 0 +++ [pid 306] close(4ci2-android-6-1/strace-static-x86_64: Process 4196 attached ) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./739/config" [pid 4195] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4196] set_robust_list(0x55556c898760, 24) = 0 [pid 4196] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] getdents64(3 [pid 4195] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(3 [pid 308] umount2("./792", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4196] chdir("./799" [pid 308] openat(AT_FDCWD, "./792", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rmdir("./739" [pid 4195] exit_group(0 [pid 4196] <... chdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 4196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4196] setpgid(0, 0) = 0 executing program [pid 4196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4195] <... exit_group resumed>) = ? [pid 308] fstat(3 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] mkdir("./740", 0777 [pid 308] getdents64(3 [pid 4196] <... openat resumed>) = 3 [pid 4196] write(3, "1000", 4) = 4 [pid 4196] close(3) = 0 [pid 4196] symlink("/dev/binderfs", "./binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 4196] <... symlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./792/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./792/binderfs" [pid 4196] write(1, "executing program\n", 18) = 18 [pid 4196] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./792/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4197 [pid 4196] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = 0 [pid 4195] +++ exited with 0 +++ [pid 308] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4196] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] newfstatat(AT_FDCWD, "./792/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4196] <... mkdirat resumed>) = 0 [pid 308] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4196] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4196] <... symlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./792/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4196] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... openat resumed>) = 4 [pid 4196] <... unlinkat resumed>) = 0 [pid 308] fstat(4 [pid 4196] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4196] <... unlinkat resumed>) = 0 [pid 308] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4197 attached [pid 4197] set_robust_list(0x55556c898760, 24 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4196] exit_group(0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 4196] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4197] <... set_robust_list resumed>) = 0 [pid 308] close(4 [pid 309] umount2("./784", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./792/config" [pid 309] openat(AT_FDCWD, "./784", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4197] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4197] chdir("./740" [pid 309] <... openat resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 308] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 308] close(3 [pid 4197] <... chdir resumed>) = 0 [pid 4197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... close resumed>) = 0 [pid 309] umount2("./784/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./792" [pid 4196] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4197] <... prctl resumed>) = 0 [pid 4197] setpgid(0, 0) = 0 [pid 4197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] newfstatat(AT_FDCWD, "./784/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4197] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] mkdir("./793", 0777 [pid 4197] write(3, "1000", 4 [pid 309] unlink("./784/binderfs" [pid 4197] <... write resumed>) = 4 [pid 4197] close(3) = 0 [pid 4197] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4197] write(1, "executing program\n", 18 [pid 309] <... unlink resumed>) = 0 [pid 310] umount2("./799", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4197] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./799", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4197] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 310] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./784/config" [pid 310] fstat(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4198 [pid 4197] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 309] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4197] <... mount resumed>) = 0 [pid 310] umount2("./799/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./784/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./799/binderfs" [pid 309] <... openat resumed>) = 4 [pid 4197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 310] unlink("./799/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4197] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 310] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4197] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./799/config" [pid 4197] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4197] <... symlinkat resumed>) = 0 [pid 310] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./784/config" [pid 310] openat(AT_FDCWD, "./799/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4197] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4197] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 4197] <... unlinkat resumed>) = 0 [pid 310] fstat(4 [pid 309] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4197] exit_group(0 [pid 310] getdents64(4 [pid 309] close(3 [pid 4197] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 309] rmdir("./784" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4197] +++ exited with 0 +++ [pid 310] close(4 [pid 309] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4198 attached [pid 4198] set_robust_list(0x55556c898760, 24 [pid 310] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rmdir("./799/config" [pid 309] mkdir("./785", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4198] <... set_robust_list resumed>) = 0 [pid 4198] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 4198] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4198] chdir("./793") = 0 [pid 4198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4198] setpgid(0, 0) = 0 [pid 4198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./766", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4198] write(3, "1000", 4 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] close(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] openat(AT_FDCWD, "./766", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 4198] <... write resumed>) = 4 [pid 4198] close(3) = 0 [pid 4198] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4198] write(1, "executing program\n", 18 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4199 [pid 310] rmdir("./799" [pid 307] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(3 [pid 4198] <... write resumed>) = 18 executing program [pid 4198] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4198] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] mkdir("./800", 0777 [pid 307] getdents64(3 [pid 4198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./766/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./766/binderfs" [pid 4198] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4198] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4198] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./740", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4200 [pid 307] unlink("./766/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4198] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 4200 attached [pid 4198] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./740", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4199 attached [pid 307] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 3 [pid 4199] set_robust_list(0x55556c898760, 24) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = 0 [pid 306] fstat(3 [pid 307] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4200] set_robust_list(0x55556c898760, 24 [pid 4199] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4199] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 4199] chdir("./785" [pid 4200] <... set_robust_list resumed>) = 0 [pid 4200] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./766/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./740/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./740/binderfs" [pid 307] openat(AT_FDCWD, "./766/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4199] <... chdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] unlink("./740/binderfs" [pid 4199] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] fstat(4 [pid 4199] <... prctl resumed>) = 0 [pid 4200] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 4199] setpgid(0, 0 [pid 4200] chdir("./800" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = 0 [pid 307] getdents64(4 [pid 306] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4200] <... chdir resumed>) = 0 [pid 4199] <... setpgid resumed>) = 0 [pid 307] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./740/config" [pid 307] rmdir("./766/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4200] <... prctl resumed>) = 0 [pid 4199] <... openat resumed>) = 3 [pid 4200] setpgid(0, 0 [pid 4199] write(3, "1000", 4 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./740/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 4200] <... setpgid resumed>) = 0 [pid 4199] <... write resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./740/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4199] close(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] close(3 [pid 306] <... openat resumed>) = 4 [pid 4200] <... openat resumed>) = 3 [pid 4199] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] fstat(4 [pid 308] umount2("./793", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./766" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4200] write(3, "1000", 4 [pid 4199] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 4200] <... write resumed>) = 4 [pid 4199] <... symlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./793", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 3 [pid 307] mkdir("./767", 0777 [pid 308] fstat(3 [pid 306] getdents64(4 [pid 4200] close(3 executing program [pid 4199] write(1, "executing program\n", 18 [pid 4200] <... close resumed>) = 0 [pid 4199] <... write resumed>) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 4199] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] umount2("./793/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rmdir("./740/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4200] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4200] write(1, "executing program\n", 18) = 18 [pid 4200] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] newfstatat(AT_FDCWD, "./793/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4201 [pid 306] getdents64(3 [pid 308] unlink("./793/binderfs" [pid 4200] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4200] <... mount resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 4200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 4200] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./740" [pid 308] newfstatat(AT_FDCWD, "./793/config" [pid 4200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) executing program [pid 4200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4200] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./741", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4200] <... symlinkat resumed>) = 0 [pid 4200] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4200] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] openat(AT_FDCWD, "./793/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 [pid 4200] <... unlinkat resumed>) = 0 [pid 4199] <... mkdirat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4199] mount(NULL, "./config", "configfs", 0, NULL [pid 308] fstat(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(4 [pid 4200] exit_group(0) = ? [pid 4200] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4202 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4199] <... mount resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4199] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./793/config"ci2-android-6-1/strace-static-x86_64: Process 4201 attached [pid 4201] set_robust_list(0x55556c898760, 24) = 0 [pid 4201] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 4199] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 4199] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 4201] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 4199] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4201] chdir("./767" [pid 4199] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] rmdir("./793" [pid 4201] <... chdir resumed>) = 0 [pid 4201] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4201] setpgid(0, 0) = 0 [pid 4201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 executing program [pid 4201] <... openat resumed>) = 3 [pid 4199] <... mkdirat resumed>) = 0 [pid 308] mkdir("./794", 0777 [pid 4201] write(3, "1000", 4) = 4 [pid 4201] close(3) = 0 [pid 4201] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4199] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... mkdir resumed>) = 0 [pid 4201] write(1, "executing program\n", 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4201] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4199] <... symlinkat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4199] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4201] mkdirat(AT_FDCWD, "./config", 0777 [pid 4199] <... unlinkat resumed>) = 0 [pid 310] umount2("./800", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4203 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4202 attached [pid 4201] <... mkdirat resumed>) = 0 [pid 4199] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./800", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4201] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4201] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 4199] <... unlinkat resumed>) = 0 [pid 4201] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4199] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 4203 attached [pid 4202] set_robust_list(0x55556c898760, 24 [pid 4201] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4199] <... exit_group resumed>) = ? [pid 310] umount2("./800/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4201] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./800/binderfs" [pid 4201] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4201] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] unlink("./800/binderfs" [pid 4201] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4201] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4201] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 4201] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4201] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4201] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./800/config" [pid 4201] <... unlinkat resumed>) = 0 [pid 4199] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4201] exit_group(0 [pid 310] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./800/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4201] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 4 [pid 4203] set_robust_list(0x55556c898760, 24 [pid 4202] <... set_robust_list resumed>) = 0 [pid 4201] +++ exited with 0 +++ [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4203] <... set_robust_list resumed>) = 0 [pid 4202] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4203] rt_sigprocmask(SIG_SETMASK, [] [pid 4202] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 4203] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4202] chdir("./741" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4203] chdir("./794" [pid 4202] <... chdir resumed>) = 0 [pid 310] close(4 [pid 4203] <... chdir resumed>) = 0 [pid 4202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... close resumed>) = 0 [pid 4203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4202] <... prctl resumed>) = 0 [pid 310] rmdir("./800/config" [pid 4203] <... prctl resumed>) = 0 [pid 4202] setpgid(0, 0 [pid 4203] setpgid(0, 0 [pid 4202] <... setpgid resumed>) = 0 [pid 4203] <... setpgid resumed>) = 0 [pid 4202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4202] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 4203] <... openat resumed>) = 3 [pid 4202] write(3, "1000", 4 [pid 310] getdents64(3 [pid 4203] write(3, "1000", 4 [pid 4202] <... write resumed>) = 4 [pid 4203] <... write resumed>) = 4 [pid 4202] close(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4203] close(3 [pid 4202] <... close resumed>) = 0 [pid 310] close(3 [pid 4203] <... close resumed>) = 0 [pid 4202] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 4203] symlink("/dev/binderfs", "./binderfs" [pid 4202] <... symlink resumed>) = 0 [pid 310] rmdir("./800" [pid 4203] <... symlink resumed>) = 0 [pid 4202] write(1, "executing program\n", 18 [pid 4203] write(1, "executing program\n", 18 [pid 4202] <... write resumed>) = 18 [pid 4203] <... write resumed>) = 18 [pid 4202] mkdirat(AT_FDCWD, "./config", 0777 [pid 4203] mkdirat(AT_FDCWD, "./config", 0777 [pid 4202] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4203] <... mkdirat resumed>) = 0 [pid 4202] mount(NULL, "./config", "configfs", 0, NULL [pid 310] mkdir("./801", 0777 [pid 4203] mount(NULL, "./config", "configfs", 0, NULL [pid 4202] <... mount resumed>) = 0 [pid 4203] <... mount resumed>) = 0 executing program executing program [pid 4202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 4203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4202] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4202] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4202] <... mkdirat resumed>) = 0 [pid 4203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4202] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4203] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4202] <... symlinkat resumed>) = 0 [pid 4203] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4202] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4204 [pid 4203] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4202] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4203] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4202] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4204 attached [pid 4203] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4202] <... unlinkat resumed>) = 0 [pid 4203] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4202] exit_group(0 [pid 4203] exit_group(0 [pid 4202] <... exit_group resumed>) = ? [pid 4204] set_robust_list(0x55556c898760, 24 [pid 4203] <... exit_group resumed>) = ? [pid 4202] +++ exited with 0 +++ [pid 4204] <... set_robust_list resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4203] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4204] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4204] chdir("./801") = 0 [pid 4204] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4204] setpgid(0, 0) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4204] <... openat resumed>) = 3 [pid 309] umount2("./785", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./767", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4204] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./794", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4204] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./785", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4204] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./767", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./741", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4204] <... close resumed>) = 0 [pid 309] fstat(3 [pid 308] openat(AT_FDCWD, "./794", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 4204] symlink("/dev/binderfs", "./binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 309] getdents64(3 [pid 308] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./741", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 309] umount2("./785/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./767/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./794/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./785/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./767/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./794/binderfs" [pid 306] getdents64(3 [pid 4204] <... symlink resumed>) = 0 [pid 309] unlink("./785/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4204] write(1, "executing program\n", 18 executing program [pid 309] <... unlink resumed>) = 0 [pid 308] unlink("./794/binderfs" [pid 307] unlink("./767/binderfs" [pid 306] umount2("./741/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4204] <... write resumed>) = 18 [pid 309] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4204] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./741/binderfs" [pid 4204] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4204] mount(NULL, "./config", "configfs", 0, NULL [pid 309] newfstatat(AT_FDCWD, "./785/config" [pid 308] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4204] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./741/binderfs" [pid 4204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./794/config" [pid 307] newfstatat(AT_FDCWD, "./767/config" [pid 4204] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 4204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] openat(AT_FDCWD, "./785/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4204] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 308] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./794/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = 0 [pid 4204] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4204] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(4 [pid 307] openat(AT_FDCWD, "./767/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4204] <... symlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 4204] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(4 [pid 308] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./741/config" [pid 307] fstat(4 [pid 4204] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4204] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rmdir("./785/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4204] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] getdents64(4 [pid 4204] exit_group(0 [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./741/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4204] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] close(3 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./794/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./741/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./785" [pid 4204] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 306] <... openat resumed>) = 4 [pid 309] mkdir("./786", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 306] fstat(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./767/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3ci2-android-6-1/strace-static-x86_64: Process 4205 attached [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 4205] set_robust_list(0x55556c898760, 24 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4205 [pid 308] <... close resumed>) = 0 [pid 4205] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rmdir("./794" [pid 4205] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 4205] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./795", 0777 [pid 307] <... close resumed>) = 0 [pid 306] close(4 [pid 4205] chdir("./786") = 0 [pid 4205] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./767" [pid 306] rmdir("./741/config" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4205] setpgid(0, 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] mkdir("./768", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 4205] write(3, "1000", 4) = 4 [pid 4205] close(3 [pid 306] getdents64(3 [pid 4205] <... close resumed>) = 0 [pid 4205] symlink("/dev/binderfs", "./binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4206 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 4206 attached [pid 4205] <... symlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 4206] set_robust_list(0x55556c898760, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rmdir("./741" [pid 4206] <... set_robust_list resumed>) = 0 [pid 4205] write(1, "executing program\n", 18) = 18 executing program [pid 4205] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4207 attached [pid 4206] rt_sigprocmask(SIG_SETMASK, [] [pid 4205] <... mkdirat resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4207 [pid 306] <... rmdir resumed>) = 0 [pid 4207] set_robust_list(0x55556c898760, 24 [pid 4206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] mkdir("./742", 0777 [pid 4207] <... set_robust_list resumed>) = 0 [pid 4206] chdir("./795" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4205] mount(NULL, "./config", "configfs", 0, NULL [pid 4207] rt_sigprocmask(SIG_SETMASK, [] [pid 4206] <... chdir resumed>) = 0 [pid 4205] <... mount resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4207] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4207] chdir("./768" [pid 4206] <... prctl resumed>) = 0 [pid 4205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4207] <... chdir resumed>) = 0 [pid 4206] setpgid(0, 0 [pid 4205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4206] <... setpgid resumed>) = 0 [pid 4205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4207] <... prctl resumed>) = 0 [pid 4206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4205] <... mkdirat resumed>) = 0 [pid 4207] setpgid(0, 0 [pid 4206] <... openat resumed>) = 3 [pid 4205] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./801", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4208 [pid 4207] <... setpgid resumed>) = 0 [pid 4206] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4206] <... write resumed>) = 4 [pid 4205] <... symlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./801", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4206] close(3 [pid 310] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4207] <... openat resumed>) = 3 [pid 4206] <... close resumed>) = 0 [pid 4205] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(3 [pid 4207] write(3, "1000", 4 [pid 4206] symlink("/dev/binderfs", "./binderfs" [pid 4205] <... unlinkat resumed>) = 0 [pid 4207] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4205] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 4207] close(3 [pid 4206] <... symlink resumed>) = 0 [pid 4207] <... close resumed>) = 0 [pid 4206] write(1, "executing program\n", 18 [pid 4205] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4207] symlink("/dev/binderfs", "./binderfs" [pid 4206] <... write resumed>) = 18 [pid 4205] exit_group(0 executing program [pid 310] umount2("./801/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4206] mkdirat(AT_FDCWD, "./config", 0777 [pid 4205] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4207] <... symlink resumed>) = 0 [pid 4206] <... mkdirat resumed>) = 0 [pid 4205] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./801/binderfs" [pid 4207] write(1, "executing program\n", 18 [pid 4206] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4207] <... write resumed>) = 18 [pid 4206] <... mount resumed>) = 0 [pid 310] unlink("./801/binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4207] mkdirat(AT_FDCWD, "./config", 0777 [pid 4206] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 4206] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./786", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4207] <... mkdirat resumed>) = 0 [pid 4206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4207] mount(NULL, "./config", "configfs", 0, NULL [pid 310] newfstatat(AT_FDCWD, "./801/config" [pid 309] openat(AT_FDCWD, "./786", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4206] <... mkdirat resumed>) = 0 [pid 4207] <... mount resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 4207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4206] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4206] <... symlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4208 attached [pid 4207] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4206] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./801/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 4208] set_robust_list(0x55556c898760, 24 [pid 4207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4206] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4208] <... set_robust_list resumed>) = 0 [pid 4207] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4206] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(4 [pid 309] umount2("./786/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4208] rt_sigprocmask(SIG_SETMASK, [] [pid 4207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4206] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./786/binderfs" [pid 4208] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4206] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4206] <... exit_group resumed>) = ? [pid 310] getdents64(4 [pid 309] unlink("./786/binderfs" [pid 4208] chdir("./742" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] close(4 [pid 309] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4208] <... chdir resumed>) = 0 [pid 4207] <... mkdirat resumed>) = 0 [pid 4206] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./786/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4207] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rmdir("./801/config" [pid 309] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4208] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./786/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4208] setpgid(0, 0 [pid 4207] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4208] <... setpgid resumed>) = 0 [pid 4207] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3 [pid 309] fstat(4 [pid 4208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./795", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4208] <... openat resumed>) = 3 [pid 310] close(3 [pid 309] getdents64(4 [pid 4208] write(3, "1000", 4 [pid 4207] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4208] <... write resumed>) = 4 [pid 4207] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./801" [pid 309] getdents64(4 [pid 4208] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./795", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 4208] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 4208] symlink("/dev/binderfs", "./binderfs" [pid 4207] <... unlinkat resumed>) = 0 [pid 310] mkdir("./802", 0777 [pid 309] rmdir("./786/config" [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4208] <... symlink resumed>) = 0 [pid 4207] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4208] write(1, "executing program\n", 18 [pid 4207] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 309] close(3 [pid 308] getdents64(3 [pid 4208] <... write resumed>) = 18 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./786" [pid 4208] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4209 [pid 309] mkdir("./787", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./795/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4207] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4208] <... mkdirat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4208] mount(NULL, "./config", "configfs", 0, NULL [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./795/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4210 attached [pid 4208] <... mount resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4210] set_robust_list(0x55556c898760, 24 [pid 4208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4210 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4210] <... set_robust_list resumed>) = 0 [pid 4208] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4210] rt_sigprocmask(SIG_SETMASK, [] [pid 4208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] unlink("./795/binderfs" [pid 4210] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4208] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 4209 attached [pid 4209] set_robust_list(0x55556c898760, 24 [pid 4208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 4210] chdir("./787" [pid 308] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4209] <... set_robust_list resumed>) = 0 [pid 308] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./795/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4209] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4210] <... chdir resumed>) = 0 [pid 4208] <... mkdirat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./795/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4208] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... openat resumed>) = 4 [pid 4208] <... symlinkat resumed>) = 0 [pid 4210] <... prctl resumed>) = 0 [pid 308] fstat(4 [pid 4208] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4210] setpgid(0, 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4208] <... unlinkat resumed>) = 0 [pid 4210] <... setpgid resumed>) = 0 [pid 4209] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 4210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4208] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4209] chdir("./802" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4210] <... openat resumed>) = 3 [pid 4209] <... chdir resumed>) = 0 [pid 4208] <... unlinkat resumed>) = 0 [pid 4210] write(3, "1000", 4 [pid 4209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4208] exit_group(0 [pid 308] getdents64(4 [pid 4210] <... write resumed>) = 4 [pid 4208] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./768", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./768", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./795/config" [pid 4209] <... prctl resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 4209] setpgid(0, 0 [pid 308] <... rmdir resumed>) = 0 [pid 4209] <... setpgid resumed>) = 0 [pid 307] fstat(3 [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4208] +++ exited with 0 +++ [pid 308] close(3 [pid 307] getdents64(3 [pid 4210] close(3 [pid 4209] <... openat resumed>) = 3 [pid 4210] <... close resumed>) = 0 [pid 4209] write(3, "1000", 4 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4210] symlink("/dev/binderfs", "./binderfs" [pid 4209] <... write resumed>) = 4 [pid 308] rmdir("./795" [pid 307] umount2("./768/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4209] close(3) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4209] symlink("/dev/binderfs", "./binderfs" [pid 308] mkdir("./796", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4210] <... symlink resumed>) = 0 [pid 4209] <... symlink resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./768/binderfs" [pid 4210] write(1, "executing program\n", 18) = 18 [pid 4209] write(1, "executing program\n", 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 4210] mkdirat(AT_FDCWD, "./config", 0777 [pid 4209] <... write resumed>) = 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 307] unlink("./768/binderfs" [pid 4209] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... unlink resumed>) = 0 [pid 4209] <... mkdirat resumed>) = 0 [pid 307] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4211 [pid 4209] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4211 attached [pid 4210] <... mkdirat resumed>) = 0 [pid 4209] <... mount resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4210] mount(NULL, "./config", "configfs", 0, NULL [pid 4211] set_robust_list(0x55556c898760, 24 [pid 307] newfstatat(AT_FDCWD, "./768/config" [pid 4211] <... set_robust_list resumed>) = 0 [pid 4210] <... mount resumed>) = 0 [pid 4209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4210] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4209] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4211] rt_sigprocmask(SIG_SETMASK, [] [pid 4210] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4211] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4210] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4210] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4211] chdir("./796" [pid 307] openat(AT_FDCWD, "./768/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4209] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... openat resumed>) = 4 [pid 4211] <... chdir resumed>) = 0 [pid 4210] <... mkdirat resumed>) = 0 [pid 4209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4210] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4209] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] fstat(4 [pid 4211] <... prctl resumed>) = 0 [pid 4210] <... symlinkat resumed>) = 0 [pid 4209] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4211] setpgid(0, 0 [pid 4210] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4209] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4211] <... setpgid resumed>) = 0 [pid 4210] <... unlinkat resumed>) = 0 [pid 4209] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4210] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4209] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] getdents64(4 [pid 4209] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4210] <... unlinkat resumed>) = 0 [pid 4209] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4211] <... openat resumed>) = 3 [pid 4210] exit_group(0 [pid 4209] exit_group(0 [pid 4211] write(3, "1000", 4 [pid 4210] <... exit_group resumed>) = ? [pid 4209] <... exit_group resumed>) = ? [pid 307] getdents64(4 [pid 4211] <... write resumed>) = 4 [pid 4210] +++ exited with 0 +++ [pid 4209] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4211] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4211] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(4 [pid 4211] symlink("/dev/binderfs", "./binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./768/config" [pid 309] <... restart_syscall resumed>) = 0 [pid 4211] <... symlink resumed>) = 0 executing program [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4211] write(1, "executing program\n", 18 [pid 309] umount2("./787", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 4211] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4211] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./802", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./787", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4211] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 4211] mount(NULL, "./config", "configfs", 0, NULL [pid 310] openat(AT_FDCWD, "./802", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 307] close(3 [pid 306] umount2("./742", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4211] <... mount resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 4211] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] fstat(3 [pid 309] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./768" [pid 4211] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] openat(AT_FDCWD, "./742", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4211] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./787/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4211] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4211] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] newfstatat(AT_FDCWD, "./787/binderfs" [pid 4211] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4211] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] unlink("./787/binderfs" [pid 307] mkdir("./769", 0777 [pid 306] fstat(3 [pid 4211] <... symlinkat resumed>) = 0 [pid 310] umount2("./802/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 4211] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4211] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4211] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./802/binderfs" [pid 309] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4211] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 4211] exit_group(0 [pid 310] unlink("./802/binderfs" [pid 309] newfstatat(AT_FDCWD, "./787/config" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4211] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4211] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./742/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./787/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4212 [pid 306] newfstatat(AT_FDCWD, "./742/binderfs" [pid 310] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./787/config" [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./802/config" [pid 309] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] unlink("./742/binderfs" [pid 310] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3) = 0 [pid 308] umount2("./796", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./787" [pid 306] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./802/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] mkdir("./788", 0777 [pid 308] openat(AT_FDCWD, "./796", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] fstat(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] fstat(3 [pid 310] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4213 [pid 310] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./742/config" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] close(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./796/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4212 attached [pid 310] <... close resumed>) = 0 [pid 306] umount2("./742/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./802/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4212] set_robust_list(0x55556c898760, 24) = 0 [pid 4212] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./796/binderfs" [pid 306] openat(AT_FDCWD, "./742/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] unlink("./796/binderfs" [pid 306] <... openat resumed>) = 4 [pid 310] close(3 [pid 4212] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4212] chdir("./769" [pid 308] <... unlink resumed>) = 0 [pid 306] fstat(4 [pid 310] <... close resumed>) = 0 [pid 4212] <... chdir resumed>) = 0 [pid 308] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./802" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4212] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = 0 [pid 4212] <... prctl resumed>) = 0 [pid 308] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4212] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4212] <... setpgid resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./796/config" [pid 4212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4213 attached [pid 4212] <... openat resumed>) = 3 [pid 310] mkdir("./803", 0777 [pid 308] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4212] write(3, "1000", 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4212] <... write resumed>) = 4 [pid 308] openat(AT_FDCWD, "./796/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4212] close(3 [pid 308] <... openat resumed>) = 4 [pid 4212] <... close resumed>) = 0 [pid 308] fstat(4 [pid 4212] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 4213] set_robust_list(0x55556c898760, 24 [pid 4212] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(4 [pid 4212] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4212] <... write resumed>) = 18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(4 [pid 306] close(4 [pid 4212] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4212] <... mkdirat resumed>) = 0 executing program [pid 308] close(4 [pid 4212] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4213] <... set_robust_list resumed>) = 0 [pid 4212] <... mount resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4214 [pid 308] rmdir("./796/config" [pid 306] rmdir("./742/config" [pid 4212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 4212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 4212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] close(3 [pid 4212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4213] rt_sigprocmask(SIG_SETMASK, [] [pid 4212] <... mkdirat resumed>) = 0 [pid 308] rmdir("./796" [pid 306] getdents64(3 [pid 4213] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4212] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rmdir resumed>) = 0 [pid 4212] <... symlinkat resumed>) = 0 [pid 308] mkdir("./797", 0777 [pid 4213] chdir("./788" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4212] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4213] <... chdir resumed>) = 0 [pid 4212] <... unlinkat resumed>) = 0 [pid 306] rmdir("./742"ci2-android-6-1/strace-static-x86_64: Process 4215 attached [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4215 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4214 attached [pid 4214] set_robust_list(0x55556c898760, 24 [pid 4212] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... rmdir resumed>) = 0 [pid 4214] <... set_robust_list resumed>) = 0 [pid 4214] rt_sigprocmask(SIG_SETMASK, [] [pid 306] mkdir("./743", 0777 [pid 4214] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4214] chdir("./803") = 0 [pid 4214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4212] <... unlinkat resumed>) = 0 [pid 4214] <... prctl resumed>) = 0 [pid 4214] setpgid(0, 0) = 0 [pid 4214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4212] exit_group(0 [pid 306] <... mkdir resumed>) = 0 [pid 4214] write(3, "1000", 4) = 4 [pid 4212] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4214] close(3) = 0 [pid 4214] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4214] write(1, "executing program\n", 18) = 18 [pid 4214] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4212] +++ exited with 0 +++ [pid 4214] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4214] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4214] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4214] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4214] exit_group(0) = ? [pid 4214] +++ exited with 0 +++ [pid 4213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4213] setpgid(0, 0) = 0 [pid 4213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4213] write(3, "1000", 4) = 4 [pid 4213] close(3) = 0 [pid 4213] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4213] write(1, "executing program\n", 18) = 18 executing program executing program [pid 4213] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4213] mount(NULL, "./config", "configfs", 0, NULL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4213] <... mount resumed>) = 0 [pid 4213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4213] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4216 [pid 307] umount2("./769", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4213] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4213] <... unlinkat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./769", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4213] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 4213] <... unlinkat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4213] exit_group(0 [pid 307] getdents64(3 [pid 4213] <... exit_group resumed>) = ? [pid 4213] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./769/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4216 attached ) = -1 EINVAL (Invalid argument) [pid 4216] set_robust_list(0x55556c898760, 24 [pid 307] newfstatat(AT_FDCWD, "./769/binderfs" [pid 4216] <... set_robust_list resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4216] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./769/binderfs" [pid 4216] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4216] chdir("./743") = 0 [pid 4216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... unlink resumed>) = 0 [pid 4216] <... prctl resumed>) = 0 [pid 307] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4216] setpgid(0, 0) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4216] <... openat resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./769/config" [pid 4216] write(3, "1000", 4) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./803", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./803", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./769/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4216] close(3 [pid 310] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 4 [pid 4216] <... close resumed>) = 0 [pid 310] fstat(3 [pid 307] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 307] getdents64(4 [pid 4216] symlink("/dev/binderfs", "./binderfs" [pid 4215] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4216] <... symlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./803/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./803/binderfs" [pid 307] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 310] unlink("./803/binderfs" [pid 307] rmdir("./769/config" [pid 4215] <... set_robust_list resumed>) = 0 [pid 4215] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 4215] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4215] chdir("./797") = 0 [pid 4216] write(1, "executing program\n", 18 [pid 310] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 4216] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 310] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 310] newfstatat(AT_FDCWD, "./803/config" [pid 4216] mkdirat(AT_FDCWD, "./config", 0777 [pid 4215] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 310] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4216] <... mkdirat resumed>) = 0 [pid 4215] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 307] rmdir("./769" [pid 4216] mount(NULL, "./config", "configfs", 0, NULL [pid 4215] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./803/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4216] <... mount resumed>) = 0 [pid 4215] <... setpgid resumed>) = 0 [pid 4216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./788", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4216] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4215] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 4216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4215] write(3, "1000", 4 [pid 310] fstat(4 [pid 309] openat(AT_FDCWD, "./788", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./770", 0777 [pid 4216] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4215] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 4216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4215] close(3 [pid 309] fstat(3 [pid 4216] <... mkdirat resumed>) = 0 [pid 4215] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4216] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4215] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 4216] <... symlinkat resumed>) = 0 [pid 4215] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4216] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4215] write(1, "executing program\n", 18 [pid 310] getdents64(4 executing program [pid 309] umount2("./788/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4216] <... unlinkat resumed>) = 0 [pid 4215] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4216] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4215] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./788/binderfs" [pid 4216] <... unlinkat resumed>) = 0 [pid 4215] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4216] exit_group(0 [pid 4215] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rmdir("./803/config" [pid 309] unlink("./788/binderfs" [pid 4216] <... exit_group resumed>) = ? [pid 4215] <... mount resumed>) = 0 [pid 309] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4217 attached [pid 4216] +++ exited with 0 +++ [pid 4215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4217] set_robust_list(0x55556c898760, 24 [pid 4215] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = 0 [pid 4215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4217 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4215] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./788/config" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4217] <... set_robust_list resumed>) = 0 [pid 4215] <... mkdirat resumed>) = 0 [pid 310] rmdir("./803" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4215] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4215] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4215] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] mkdir("./804", 0777 [pid 309] openat(AT_FDCWD, "./788/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4217] rt_sigprocmask(SIG_SETMASK, [] [pid 4215] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4215] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(4 [pid 4215] <... unlinkat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4215] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 4217] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4215] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4217] chdir("./770" [pid 4215] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./788/config") = 0 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4218 [pid 309] rmdir("./788" [pid 4217] <... chdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] mkdir("./789", 0777 [pid 4217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4217] <... prctl resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4219 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4218 attached ci2-android-6-1/strace-static-x86_64: Process 4219 attached [pid 4217] setpgid(0, 0 [pid 308] umount2("./797", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4218] set_robust_list(0x55556c898760, 24) = 0 [pid 4218] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./797", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./797/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4217] <... setpgid resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./797/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./797/binderfs") = 0 [pid 4217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 308] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4217] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./797/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./797/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4217] write(3, "1000", 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 4217] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./797/config" [pid 4219] set_robust_list(0x55556c898760, 24 [pid 4217] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./797" [pid 4219] <... set_robust_list resumed>) = 0 [pid 4217] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./798", 0777 [pid 4219] rt_sigprocmask(SIG_SETMASK, [] [pid 4217] symlink("/dev/binderfs", "./binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4217] <... symlink resumed>) = 0 [pid 4219] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4220 [pid 4217] write(1, "executing program\n", 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4218] chdir("./804" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4218] <... chdir resumed>) = 0 [pid 4217] <... write resumed>) = 18 executing program [pid 306] umount2("./743", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4218] <... prctl resumed>) = 0 [pid 306] openat(AT_FDCWD, "./743", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4217] mkdirat(AT_FDCWD, "./config", 0777 [pid 4218] setpgid(0, 0) = 0 [pid 306] <... openat resumed>) = 3 [pid 4218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] fstat(3 [pid 4218] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4218] write(3, "1000", 4 [pid 4217] <... mkdirat resumed>) = 0 [pid 306] getdents64(3 [pid 4218] <... write resumed>) = 4 [pid 4217] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4218] close(3 [pid 306] umount2("./743/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4218] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4217] <... mount resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./743/binderfs" [pid 4218] symlink("/dev/binderfs", "./binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4217] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] unlink("./743/binderfs" [pid 4218] <... symlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4218] write(1, "executing program\n", 18 [pid 4217] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4218] <... write resumed>) = 18 [pid 4217] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... umount2 resumed>) = 0 executing program [pid 4218] mkdirat(AT_FDCWD, "./config", 0777 [pid 4217] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4219] chdir("./789" [pid 4218] <... mkdirat resumed>) = 0 [pid 4217] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./743/config" [pid 4218] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4218] <... mount resumed>) = 0 [pid 4217] <... mkdirat resumed>) = 0 [pid 306] umount2("./743/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4217] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] openat(AT_FDCWD, "./743/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4218] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... openat resumed>) = 4 [pid 4218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] fstat(4 [pid 4218] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4217] <... symlinkat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(4 [pid 4217] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4218] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4218] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(4 [pid 4217] <... unlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4218] <... symlinkat resumed>) = 0 [pid 4217] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] close(4 [pid 4218] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... close resumed>) = 0 [pid 4217] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 306] rmdir("./743/config" [pid 4218] <... unlinkat resumed>) = 0 [pid 4218] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4217] exit_group(0 [pid 306] getdents64(3 [pid 4218] exit_group(0 [pid 4217] <... exit_group resumed>) = ? [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4218] <... exit_group resumed>) = ? [pid 306] close(3 [pid 4218] +++ exited with 0 +++ [pid 4217] +++ exited with 0 +++ [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./743" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4220 attached [pid 4220] set_robust_list(0x55556c898760, 24) = 0 [pid 4220] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] mkdir("./744", 0777 [pid 4220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4220] chdir("./798") = 0 [pid 4220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4220] setpgid(0, 0 [pid 306] <... mkdir resumed>) = 0 [pid 4220] <... setpgid resumed>) = 0 [pid 310] umount2("./804", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4220] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./804", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4220] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(3 [pid 4220] <... write resumed>) = 4 [pid 4220] close(3) = 0 [pid 4220] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4220] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4221 [pid 4220] <... write resumed>) = 18 [pid 4220] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./804/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4220] <... mkdirat resumed>) = 0 [pid 4219] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./804/binderfs" [pid 4220] mount(NULL, "./config", "configfs", 0, NULLci2-android-6-1/strace-static-x86_64: Process 4221 attached [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4221] set_robust_list(0x55556c898760, 24 [pid 4220] <... mount resumed>) = 0 [pid 310] unlink("./804/binderfs" [pid 4221] <... set_robust_list resumed>) = 0 [pid 4221] rt_sigprocmask(SIG_SETMASK, [] [pid 4220] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 4221] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4220] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4220] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 4221] chdir("./744" [pid 4220] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4221] <... chdir resumed>) = 0 [pid 4220] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] newfstatat(AT_FDCWD, "./804/config" [pid 4221] <... prctl resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4221] setpgid(0, 0 [pid 310] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4221] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4220] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./804/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4221] <... openat resumed>) = 3 [pid 4220] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4219] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 310] <... openat resumed>) = 4 [pid 4221] write(3, "1000", 4 [pid 310] fstat(4 [pid 4221] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4220] <... symlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 4220] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4219] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4221] close(3 [pid 310] getdents64(4 [pid 4221] <... close resumed>) = 0 [pid 4220] <... unlinkat resumed>) = 0 [pid 4219] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4220] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4219] <... setpgid resumed>) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./804/config" [pid 4221] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4221] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 [pid 4221] <... write resumed>) = 18 [pid 310] getdents64(3 [pid 4220] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4221] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(3 [pid 4220] exit_group(0 [pid 4219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... close resumed>) = 0 [pid 4220] <... exit_group resumed>) = ? [pid 310] rmdir("./804" [pid 4221] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4221] mount(NULL, "./config", "configfs", 0, NULL [pid 310] mkdir("./805", 0777 [pid 4219] <... openat resumed>) = 3 [pid 4221] <... mount resumed>) = 0 [pid 4221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4219] write(3, "1000", 4 [pid 310] <... mkdir resumed>) = 0 [pid 4221] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4219] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4219] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4221] <... mkdirat resumed>) = 0 [pid 4219] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4221] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4221] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4221] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4219] symlink("/dev/binderfs", "./binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4222 [pid 4221] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4221] <... exit_group resumed>) = ? [pid 4221] +++ exited with 0 +++ [pid 4220] +++ exited with 0 +++ [pid 4219] <... symlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./770", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4219] write(1, "executing program\n", 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] openat(AT_FDCWD, "./770", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4219] <... write resumed>) = 18 [pid 307] <... openat resumed>) = 3 executing program [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4219] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4222 attached , 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4222] set_robust_list(0x55556c898760, 24 [pid 307] umount2("./770/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4222] <... set_robust_list resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./770/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./770/binderfs" [pid 4222] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4222] chdir("./805" [pid 307] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4219] <... mkdirat resumed>) = 0 [pid 4222] <... chdir resumed>) = 0 [pid 4219] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = 0 [pid 4222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4222] <... prctl resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4219] <... mount resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./770/config" [pid 4222] setpgid(0, 0) = 0 [pid 4219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4219] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4222] <... openat resumed>) = 3 [pid 4219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4222] write(3, "1000", 4 [pid 307] openat(AT_FDCWD, "./770/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4219] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4222] <... write resumed>) = 4 [pid 4222] close(3) = 0 [pid 307] <... openat resumed>) = 4 [pid 4219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] fstat(4 [pid 4222] symlink("/dev/binderfs", "./binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4222] <... symlink resumed>) = 0 [pid 4219] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 4222] write(1, "executing program\n", 18 [pid 4219] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4222] <... write resumed>) = 18 [pid 307] getdents64(4 [pid 4222] mkdirat(AT_FDCWD, "./config", 0777 [pid 4219] <... symlinkat resumed>) = 0 executing program [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4222] <... mkdirat resumed>) = 0 [pid 4219] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] close(4 [pid 4222] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... close resumed>) = 0 [pid 4219] <... unlinkat resumed>) = 0 [pid 307] rmdir("./770/config" [pid 4219] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4222] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4222] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 4222] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] getdents64(3 [pid 4219] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4222] <... mkdirat resumed>) = 0 [pid 4219] exit_group(0 [pid 307] close(3 [pid 4222] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4219] <... exit_group resumed>) = ? [pid 307] <... close resumed>) = 0 [pid 4222] <... symlinkat resumed>) = 0 [pid 307] rmdir("./770" [pid 4222] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4222] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rmdir resumed>) = 0 [pid 4222] <... unlinkat resumed>) = 0 [pid 307] mkdir("./771", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 4222] exit_group(0) = ? [pid 4222] +++ exited with 0 +++ [pid 4219] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./744", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./744", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4223 attached [pid 306] getdents64(3 [pid 4223] set_robust_list(0x55556c898760, 24 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4223 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./744/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4223] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./744/binderfs" [pid 4223] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./744/binderfs" [pid 4223] chdir("./771" [pid 308] umount2("./798", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 4223] <... chdir resumed>) = 0 [pid 4223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./798", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4223] <... prctl resumed>) = 0 [pid 4223] setpgid(0, 0 [pid 308] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = 0 [pid 308] fstat(3 [pid 306] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./744/config" [pid 4223] <... setpgid resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./798/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./744/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./798/binderfs" [pid 306] openat(AT_FDCWD, "./744/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4223] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 4 [pid 4223] write(3, "1000", 4 [pid 308] unlink("./798/binderfs" [pid 306] fstat(4 [pid 4223] <... write resumed>) = 4 [pid 4223] close(3) = 0 [pid 4223] symlink("/dev/binderfs", "./binderfs" [pid 308] <... unlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4223] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4223] write(1, "executing program\n", 18) = 18 [pid 308] newfstatat(AT_FDCWD, "./798/config" [pid 306] close(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 308] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./744/config" [pid 4223] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4223] <... mkdirat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./798/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 4223] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] getdents64(3 [pid 310] umount2("./805", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(3 [pid 310] openat(AT_FDCWD, "./805", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 4223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] fstat(3 [pid 306] rmdir("./744" [pid 308] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4223] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] close(4 [pid 306] mkdir("./745", 0777 [pid 310] umount2("./805/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 4223] <... symlinkat resumed>) = 0 [pid 4223] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] rmdir("./798/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4223] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] newfstatat(AT_FDCWD, "./805/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 310] unlink("./805/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4223] exit_group(0 [pid 310] <... unlink resumed>) = 0 [pid 308] close(3 [pid 4223] <... exit_group resumed>) = ? [pid 4223] +++ exited with 0 +++ [pid 310] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4224 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] rmdir("./798" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4224 [pid 4224] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./789", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./805/config" [pid 308] mkdir("./799", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./771", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./789", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4224] <... set_robust_list resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./805/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./771", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 309] fstat(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4224] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 3 [pid 4224] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./771/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4225 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4224] chdir("./745" [pid 310] getdents64(4 [pid 309] umount2("./789/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./771/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4225 attached [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./771/binderfs") = 0 [pid 4224] <... chdir resumed>) = 0 [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4225] set_robust_list(0x55556c898760, 24 [pid 4224] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./789/binderfs" [pid 4225] <... set_robust_list resumed>) = 0 [pid 4224] <... prctl resumed>) = 0 [pid 310] rmdir("./805/config" [pid 307] <... umount2 resumed>) = 0 [pid 4224] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4225] rt_sigprocmask(SIG_SETMASK, [] [pid 4224] <... setpgid resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./789/binderfs" [pid 307] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 4225] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4225] chdir("./799") = 0 [pid 4225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 4225] <... prctl resumed>) = 0 [pid 4224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./771/config" [pid 310] rmdir("./805" [pid 309] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4224] <... openat resumed>) = 3 [pid 4224] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./806", 0777 [pid 309] newfstatat(AT_FDCWD, "./789/config" [pid 307] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4224] <... write resumed>) = 4 [pid 4225] setpgid(0, 0 [pid 4224] close(3 [pid 4225] <... setpgid resumed>) = 0 [pid 4224] <... close resumed>) = 0 [pid 4225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4224] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 4225] <... openat resumed>) = 3 [pid 4224] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4225] write(3, "1000", 4 [pid 4224] write(1, "executing program\n", 18 [pid 4225] <... write resumed>) = 4 [pid 4224] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./771/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4225] close(3 executing program [pid 4224] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4225] <... close resumed>) = 0 [pid 4224] <... mkdirat resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 4225] symlink("/dev/binderfs", "./binderfs" [pid 4224] mount(NULL, "./config", "configfs", 0, NULL [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./789/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(4 [pid 4225] <... symlink resumed>) = 0 [pid 4224] <... mount resumed>) = 0 [pid 4225] write(1, "executing program\n", 18 [pid 4224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4225] <... write resumed>) = 18 [pid 4224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4225] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 4224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4225] <... mkdirat resumed>) = 0 [pid 4224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4225] mount(NULL, "./config", "configfs", 0, NULL [pid 4224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4226 [pid 309] fstat(4ci2-android-6-1/strace-static-x86_64: Process 4226 attached [pid 4225] <... mount resumed>) = 0 [pid 4224] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 4225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4224] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4225] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4224] <... symlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4224] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 307] getdents64(4 [pid 4226] set_robust_list(0x55556c898760, 24 [pid 4225] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4224] <... unlinkat resumed>) = 0 [pid 4225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4224] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4226] <... set_robust_list resumed>) = 0 [pid 4225] <... mkdirat resumed>) = 0 [pid 4224] <... unlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 307] close(4 [pid 4225] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4224] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4225] <... symlinkat resumed>) = 0 [pid 4224] <... exit_group resumed>) = ? [pid 309] close(4 [pid 307] <... close resumed>) = 0 [pid 4226] rt_sigprocmask(SIG_SETMASK, [] [pid 4225] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4224] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./771/config" [pid 309] rmdir("./789/config" [pid 4225] <... unlinkat resumed>) = 0 [pid 4225] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4225] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 309] close(3 [pid 4225] <... exit_group resumed>) = ? [pid 307] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./771" [pid 309] rmdir("./789" [pid 4225] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] mkdir("./790", 0777 [pid 307] mkdir("./772", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4226] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4226] chdir("./806") = 0 [pid 4226] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4226] setpgid(0, 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... restart_syscall resumed>) = 0 [pid 4226] <... setpgid resumed>) = 0 [pid 4226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4226] write(3, "1000", 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./745", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4226] <... write resumed>) = 4 [pid 4226] close(3) = 0 [pid 4226] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4226] write(1, "executing program\n", 18) = 18 [pid 4226] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4226] <... mkdirat resumed>) = 0 [pid 4226] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4227 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] openat(AT_FDCWD, "./745", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4228 [pid 306] <... openat resumed>) = 3 [pid 4226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] fstat(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 308] umount2("./799", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./799", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 4226] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(3 [pid 4226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./745/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./745/binderfs" [pid 4226] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./799/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./745/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] newfstatat(AT_FDCWD, "./799/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4227 attached [pid 4226] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] unlink("./799/binderfs" [pid 306] <... umount2 resumed>) = 0 [pid 4226] <... symlinkat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4226] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./745/config" [pid 4226] <... unlinkat resumed>) = 0 [pid 308] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./745/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./799/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./745/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4226] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 4226] <... unlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./799/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] getdents64(4 [pid 308] fstat(4 [pid 4227] set_robust_list(0x55556c898760, 24 [pid 4226] exit_group(0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 4227] <... set_robust_list resumed>) = 0 [pid 4226] <... exit_group resumed>) = ? [pid 306] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 306] close(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 308] close(4 [pid 306] rmdir("./745/config" [pid 308] <... close resumed>) = 0 [pid 4227] rt_sigprocmask(SIG_SETMASK, [] [pid 4226] +++ exited with 0 +++ [pid 308] rmdir("./799/config" [pid 306] <... rmdir resumed>) = 0 [pid 4227] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4228 attached [pid 4228] set_robust_list(0x55556c898760, 24) = 0 [pid 4228] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4227] chdir("./790" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 306] close(3 [pid 4228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4228] chdir("./772" [pid 308] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4227] <... chdir resumed>) = 0 [pid 4228] <... chdir resumed>) = 0 [pid 4227] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rmdir("./799" [pid 306] rmdir("./745" [pid 4228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4228] setpgid(0, 0) = 0 [pid 4228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4228] <... openat resumed>) = 3 [pid 4228] write(3, "1000", 4 [pid 306] <... rmdir resumed>) = 0 [pid 4227] <... prctl resumed>) = 0 [pid 308] mkdir("./800", 0777 [pid 4227] setpgid(0, 0 [pid 306] mkdir("./746", 0777 [pid 4228] <... write resumed>) = 4 [pid 4228] close(3) = 0 [pid 4228] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] umount2("./806", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4228] write(1, "executing program\n", 18) = 18 [pid 4228] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4227] <... setpgid resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] openat(AT_FDCWD, "./806", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4228] <... mkdirat resumed>) = 0 [pid 4228] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) executing program [pid 4228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4227] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4229 [pid 4227] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4230 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./806/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4227] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4227] close(3 [pid 310] newfstatat(AT_FDCWD, "./806/binderfs" [pid 4227] <... close resumed>) = 0 [pid 4228] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4227] symlink("/dev/binderfs", "./binderfs" [pid 4228] <... symlinkat resumed>) = 0 [pid 310] unlink("./806/binderfs" [pid 4228] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4228] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4228] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 4228] exit_group(0 [pid 310] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4228] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4230 attached [pid 4228] +++ exited with 0 +++ [pid 4227] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./806/config" [pid 4227] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4227] <... write resumed>) = 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4227] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 310] openat(AT_FDCWD, "./806/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4229 attached [pid 4229] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... openat resumed>) = 4 [pid 4229] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(4 [pid 4229] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4229] chdir("./800" [pid 310] getdents64(4 [pid 4227] <... mkdirat resumed>) = 0 [pid 4230] set_robust_list(0x55556c898760, 24 [pid 4229] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./772", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4227] mount(NULL, "./config", "configfs", 0, NULL [pid 310] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./772", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./806/config" [pid 4229] <... prctl resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 4230] <... set_robust_list resumed>) = 0 [pid 4229] setpgid(0, 0 [pid 4230] rt_sigprocmask(SIG_SETMASK, [] [pid 4229] <... setpgid resumed>) = 0 [pid 4229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 307] fstat(3 [pid 4227] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4227] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 310] close(3 [pid 4230] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4229] <... openat resumed>) = 3 [pid 4227] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4227] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./806" [pid 4230] chdir("./746" [pid 4229] write(3, "1000", 4 [pid 4227] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./772/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4230] <... chdir resumed>) = 0 [pid 4229] <... write resumed>) = 4 [pid 4230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4229] close(3 [pid 4230] <... prctl resumed>) = 0 [pid 4229] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4227] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] mkdir("./807", 0777 [pid 307] newfstatat(AT_FDCWD, "./772/binderfs" [pid 4230] setpgid(0, 0 [pid 4229] symlink("/dev/binderfs", "./binderfs" [pid 4230] <... setpgid resumed>) = 0 [pid 4229] <... symlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4229] write(1, "executing program\n", 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] unlink("./772/binderfs" [pid 4227] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4230] <... openat resumed>) = 3 [pid 4229] <... write resumed>) = 18 [pid 4227] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... unlink resumed>) = 0 [pid 4230] write(3, "1000", 4 [pid 4229] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4230] <... write resumed>) = 4 [pid 4229] <... mkdirat resumed>) = 0 [pid 4230] close(3 [pid 4229] mount(NULL, "./config", "configfs", 0, NULL [pid 4230] <... close resumed>) = 0 [pid 4229] <... mount resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4231 [pid 307] <... umount2 resumed>) = 0 [pid 4227] <... symlinkat resumed>) = 0 executing program [pid 4230] symlink("/dev/binderfs", "./binderfs" [pid 4229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4227] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4230] <... symlink resumed>) = 0 [pid 4229] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4227] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4227] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4230] write(1, "executing program\n", 18 [pid 4229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] newfstatat(AT_FDCWD, "./772/config" [pid 4230] <... write resumed>) = 18 [pid 4229] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 4230] mkdirat(AT_FDCWD, "./config", 0777 [pid 4229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4227] <... unlinkat resumed>) = 0 [pid 307] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4230] <... mkdirat resumed>) = 0 [pid 4229] <... mkdirat resumed>) = 0 [pid 4227] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4227] <... exit_group resumed>) = ? [pid 307] openat(AT_FDCWD, "./772/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4230] mount(NULL, "./config", "configfs", 0, NULL [pid 4229] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... openat resumed>) = 4 [pid 4230] <... mount resumed>) = 0 [pid 4229] <... symlinkat resumed>) = 0 [pid 307] fstat(4 [pid 4230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4229] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4230] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4229] <... unlinkat resumed>) = 0 [pid 4227] +++ exited with 0 +++ [pid 307] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4231 attached [pid 4230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4229] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4230] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4229] <... unlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 4230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4229] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4230] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4229] <... exit_group resumed>) = ? [pid 307] close(4 [pid 4230] <... symlinkat resumed>) = 0 [pid 4230] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4229] +++ exited with 0 +++ [pid 307] <... close resumed>) = 0 [pid 4230] <... unlinkat resumed>) = 0 [pid 307] rmdir("./772/config" [pid 4230] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4230] <... unlinkat resumed>) = 0 [pid 4230] exit_group(0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rmdir resumed>) = 0 [pid 4230] <... exit_group resumed>) = ? [pid 4230] +++ exited with 0 +++ [pid 307] getdents64(3 [pid 4231] set_robust_list(0x55556c898760, 24 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4231] <... set_robust_list resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4231] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./772" [pid 4231] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4231] chdir("./807") = 0 [pid 4231] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4231] setpgid(0, 0) = 0 [pid 4231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 4231] <... openat resumed>) = 3 [pid 307] mkdir("./773", 0777 [pid 4231] write(3, "1000", 4) = 4 [pid 4231] close(3) = 0 [pid 4231] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4231] write(1, "executing program\n", 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4231] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4231] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4231] <... mkdirat resumed>) = 0 [pid 4231] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4232 [pid 4231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./790", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./800", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./746", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./790", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./800", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 4231] <... mkdirat resumed>) = 0 [pid 309] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./746", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4232 attached [pid 4231] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 4231] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 4231] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 309] umount2("./790/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./790/binderfs" [pid 308] umount2("./800/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./746/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./790/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4231] <... unlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./800/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4231] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./746/binderfs" [pid 309] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./800/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4231] exit_group(0 [pid 308] <... unlink resumed>) = 0 [pid 306] unlink("./746/binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4231] <... exit_group resumed>) = ? [pid 4231] +++ exited with 0 +++ [pid 309] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./790/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4232] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./800/config" [pid 306] <... umount2 resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4232] <... set_robust_list resumed>) = 0 [pid 4232] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./746/config" [pid 310] umount2("./807", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./790/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./807", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./800/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 309] fstat(4 [pid 306] umount2("./746/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(4 [pid 310] getdents64(3 [pid 4232] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] openat(AT_FDCWD, "./746/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 4 [pid 310] umount2("./807/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 306] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4232] chdir("./773" [pid 310] newfstatat(AT_FDCWD, "./807/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4232] <... chdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4232] setpgid(0, 0) = 0 [pid 4232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] close(4 [pid 308] getdents64(4 [pid 310] unlink("./807/binderfs" [pid 309] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4232] <... openat resumed>) = 3 [pid 4232] write(3, "1000", 4) = 4 [pid 4232] close(3) = 0 [pid 4232] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... unlink resumed>) = 0 [pid 4232] write(1, "executing program\n", 18 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] close(4 [pid 310] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./790/config" [pid 306] getdents64(4 [pid 308] <... close resumed>) = 0 executing program [pid 4232] <... write resumed>) = 18 [pid 308] rmdir("./800/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4232] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 308] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 306] rmdir("./746/config" [pid 4232] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4232] <... mount resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./807/config" [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 4232] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 309] rmdir("./790" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rmdir("./800" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4232] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4232] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 4232] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4232] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4232] <... mkdirat resumed>) = 0 [pid 310] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./791", 0777 [pid 4232] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] mkdir("./801", 0777 [pid 306] rmdir("./746" [pid 4232] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4232] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... mkdir resumed>) = 0 [pid 4232] <... unlinkat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4232] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] openat(AT_FDCWD, "./807/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... mkdir resumed>) = 0 [pid 306] mkdir("./747", 0777 [pid 4232] exit_group(0 [pid 310] <... openat resumed>) = 4 [pid 4232] <... exit_group resumed>) = ? [pid 4232] +++ exited with 0 +++ [pid 310] fstat(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4233 attached [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4233] set_robust_list(0x55556c898760, 24 [pid 310] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4233 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4234 [pid 4233] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4233] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./773", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4234 attached [pid 4234] set_robust_list(0x55556c898760, 24 [pid 310] <... close resumed>) = 0 [pid 4233] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./807/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4235 ci2-android-6-1/strace-static-x86_64: Process 4235 attached [pid 4234] <... set_robust_list resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./773", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4235] set_robust_list(0x55556c898760, 24 [pid 4233] chdir("./791" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] fstat(3 [pid 4235] <... set_robust_list resumed>) = 0 [pid 310] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4233] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] getdents64(3 [pid 310] rmdir("./807" [pid 4233] <... prctl resumed>) = 0 [pid 4235] rt_sigprocmask(SIG_SETMASK, [] [pid 4233] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4235] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4233] <... setpgid resumed>) = 0 [pid 310] mkdir("./808", 0777 [pid 307] umount2("./773/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4234] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4235] chdir("./747" [pid 307] newfstatat(AT_FDCWD, "./773/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4233] <... openat resumed>) = 3 [pid 307] unlink("./773/binderfs" [pid 4234] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4234] chdir("./801") = 0 [pid 4234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4235] <... chdir resumed>) = 0 [pid 4233] write(3, "1000", 4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4236 [pid 307] <... unlink resumed>) = 0 [pid 4235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4233] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4235] <... prctl resumed>) = 0 [pid 4233] close(3 [pid 307] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4235] setpgid(0, 0) = 0 [pid 4233] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4233] symlink("/dev/binderfs", "./binderfs" [pid 4235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./773/config" [pid 4233] <... symlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4233] write(1, "executing program\n", 18 [pid 307] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4235] <... openat resumed>) = 3 [pid 4233] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4235] write(3, "1000", 4 executing program [pid 307] openat(AT_FDCWD, "./773/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4233] mkdirat(AT_FDCWD, "./config", 0777 [pid 4235] <... write resumed>) = 4 [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4235] close(3 [pid 4233] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 4235] <... close resumed>) = 0 [pid 4233] mount(NULL, "./config", "configfs", 0, NULL [pid 4235] symlink("/dev/binderfs", "./binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4234] <... prctl resumed>) = 0 [pid 307] close(4 [pid 4233] <... mount resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rmdir("./773/config" [pid 4234] setpgid(0, 0) = 0 [pid 4235] <... symlink resumed>) = 0 [pid 4234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4233] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 4235] write(1, "executing program\n", 18 [pid 4233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] getdents64(3 [pid 4235] <... write resumed>) = 18 [pid 4233] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 4235] mkdirat(AT_FDCWD, "./config", 0777 [pid 4234] <... openat resumed>) = 3 [pid 4233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] close(3 [pid 4234] write(3, "1000", 4 [pid 307] <... close resumed>) = 0 [pid 4234] <... write resumed>) = 4 [pid 4233] <... mkdirat resumed>) = 0 [pid 307] rmdir("./773" [pid 4234] close(3) = 0 [pid 4234] symlink("/dev/binderfs", "./binderfs" [pid 4233] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... rmdir resumed>) = 0 [pid 4234] <... symlink resumed>) = 0 [pid 307] mkdir("./774", 0777 [pid 4235] <... mkdirat resumed>) = 0 [pid 4233] <... symlinkat resumed>) = 0 executing program [pid 4234] write(1, "executing program\n", 18 [pid 4235] mount(NULL, "./config", "configfs", 0, NULL [pid 4234] <... write resumed>) = 18 [pid 4233] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... mkdir resumed>) = 0 [pid 4235] <... mount resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4233] <... unlinkat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4235] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4234] mkdirat(AT_FDCWD, "./config", 0777 [pid 4233] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4234] <... mkdirat resumed>) = 0 [pid 4234] mount(NULL, "./config", "configfs", 0, NULL [pid 4235] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4233] <... unlinkat resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4237 ci2-android-6-1/strace-static-x86_64: Process 4237 attached [pid 4235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4234] <... mount resumed>) = 0 [pid 4233] exit_group(0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4235] <... mkdirat resumed>) = 0 [pid 4234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4233] <... exit_group resumed>) = ? [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4237] set_robust_list(0x55556c898760, 24 [pid 4235] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4233] +++ exited with 0 +++ [pid 4234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4235] <... symlinkat resumed>) = 0 [pid 4237] <... set_robust_list resumed>) = 0 [pid 4234] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4237] rt_sigprocmask(SIG_SETMASK, [] [pid 4235] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4234] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4236 attached [pid 4237] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4235] <... unlinkat resumed>) = 0 [pid 4234] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4237] chdir("./774" [pid 4236] set_robust_list(0x55556c898760, 24 [pid 4235] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4234] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4237] <... chdir resumed>) = 0 [pid 4236] <... set_robust_list resumed>) = 0 [pid 4234] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./791", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4235] <... unlinkat resumed>) = 0 [pid 4237] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4236] rt_sigprocmask(SIG_SETMASK, [] [pid 4235] exit_group(0 [pid 4234] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] openat(AT_FDCWD, "./791", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4237] setpgid(0, 0 [pid 4236] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4235] <... exit_group resumed>) = ? [pid 4234] exit_group(0 [pid 309] <... openat resumed>) = 3 [pid 4236] chdir("./808" [pid 4234] <... exit_group resumed>) = ? [pid 309] fstat(3 [pid 4237] <... setpgid resumed>) = 0 [pid 4236] <... chdir resumed>) = 0 [pid 4235] +++ exited with 0 +++ [pid 4234] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4236] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4236] <... prctl resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4237] <... openat resumed>) = 3 [pid 4236] setpgid(0, 0 [pid 309] umount2("./791/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4237] write(3, "1000", 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4237] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4237] close(3 [pid 309] newfstatat(AT_FDCWD, "./791/binderfs" [pid 4237] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4237] symlink("/dev/binderfs", "./binderfs" [pid 309] unlink("./791/binderfs" [pid 4236] <... setpgid resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 4237] <... symlink resumed>) = 0 [pid 4236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4237] write(1, "executing program\n", 18 executing program [pid 309] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4237] <... write resumed>) = 18 [pid 4236] <... openat resumed>) = 3 [pid 4236] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = 0 [pid 4236] <... write resumed>) = 4 [pid 309] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4237] mkdirat(AT_FDCWD, "./config", 0777 [pid 4236] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4236] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./791/config" [pid 4236] symlink("/dev/binderfs", "./binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4237] <... mkdirat resumed>) = 0 [pid 4236] <... symlink resumed>) = 0 [pid 309] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4237] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4237] <... mount resumed>) = 0 [pid 4236] write(1, "executing program\n", 18 [pid 309] openat(AT_FDCWD, "./791/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 4237] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4236] <... write resumed>) = 18 [pid 309] <... openat resumed>) = 4 [pid 4237] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] fstat(4 [pid 4237] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4236] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4237] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4236] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 4236] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4237] <... mkdirat resumed>) = 0 [pid 4236] <... mount resumed>) = 0 [pid 4237] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(4 [pid 4237] <... symlinkat resumed>) = 0 [pid 4236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4237] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4237] <... unlinkat resumed>) = 0 [pid 4236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4237] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] close(4 [pid 4236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4237] <... unlinkat resumed>) = 0 [pid 4236] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... close resumed>) = 0 [pid 4237] exit_group(0 [pid 4236] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4237] <... exit_group resumed>) = ? [pid 4236] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rmdir("./791/config" [pid 4236] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4236] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 4236] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 4236] <... exit_group resumed>) = ? [pid 4237] +++ exited with 0 +++ [pid 4236] +++ exited with 0 +++ [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./791" [pid 308] umount2("./801", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./792", 0777 [pid 308] openat(AT_FDCWD, "./801", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./774", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 307] openat(AT_FDCWD, "./774", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./801/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./801/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./801/binderfs" [pid 306] umount2("./747", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4238 [pid 308] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 308] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 307] fstat(3 [pid 308] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./747", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./801/config" [pid 306] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 306] fstat(3 [pid 308] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./801/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./774/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 306] getdents64(3 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./774/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./747/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 307] unlink("./774/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4) = 0 [pid 308] rmdir("./801/config" [pid 307] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./747/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 306] unlink("./747/binderfs" [pid 310] umount2("./808", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./801" [pid 307] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./808", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./802", 0777 [pid 307] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] fstat(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./774/config" [pid 310] getdents64(3 [pid 306] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4239 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./808/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4238 attached [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4238] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./774/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./747/config" [pid 310] newfstatat(AT_FDCWD, "./808/binderfs" [pid 307] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(4 [pid 310] unlink("./808/binderfs" [pid 306] umount2("./747/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4238] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 306] openat(AT_FDCWD, "./747/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4238] chdir("./792" [pid 310] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 307] getdents64(4 [pid 4238] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./808/config" [pid 307] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 4238] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] getdents64(4 [pid 307] rmdir("./774/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4238] setpgid(0, 0) = 0 [pid 4238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] openat(AT_FDCWD, "./808/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 310] <... openat resumed>) = 4 [pid 307] getdents64(3 [pid 310] fstat(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(4 [pid 310] getdents64(4 [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 4238] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./747/config" [pid 310] getdents64(4 [pid 307] rmdir("./774" [pid 4238] write(3, "1000", 4) = 4 [pid 4238] close(3) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4238] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] close(4 [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 4238] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 [pid 307] mkdir("./775", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./808/config" [pid 4238] <... write resumed>) = 18 [pid 4238] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4238] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... rmdir resumed>) = 0 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(3 [pid 310] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rmdir("./747" [pid 310] close(3 [pid 4238] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4238] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4238] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4238] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4238] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rmdir resumed>) = 0 [pid 4238] <... unlinkat resumed>) = 0 [pid 4238] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4238] exit_group(0) = ? [pid 310] <... close resumed>) = 0 [pid 306] mkdir("./748", 0777 [pid 310] rmdir("./808" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4240 [pid 4238] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./809", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 4240 attached [pid 4240] set_robust_list(0x55556c898760, 24) = 0 [pid 4240] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4240] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4240] chdir("./775") = 0 [pid 4240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4240] setpgid(0, 0) = 0 [pid 4240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... restart_syscall resumed>) = 0 [pid 4240] write(3, "1000", 4) = 4 [pid 4240] close(3) = 0 [pid 4240] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4242 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4241 [pid 4240] write(1, "executing program\n", 18) = 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./792", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./792", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4240] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... openat resumed>) = 3 executing program ci2-android-6-1/strace-static-x86_64: Process 4239 attached [pid 4240] <... mkdirat resumed>) = 0 [pid 309] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4242 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4240] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(3 [pid 4240] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4240] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./792/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4240] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4240] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] newfstatat(AT_FDCWD, "./792/binderfs" [pid 4240] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4240] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4240] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] unlink("./792/binderfs" [pid 4240] <... symlinkat resumed>) = 0 [pid 4240] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... unlink resumed>) = 0 [pid 4240] <... unlinkat resumed>) = 0 [pid 309] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4240] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4239] set_robust_list(0x55556c898760, 24 [pid 309] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4240] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4240] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./792/config" [pid 4242] set_robust_list(0x55556c898760, 24 [pid 4240] +++ exited with 0 +++ [pid 4239] <... set_robust_list resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./792/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4241 attached ) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 4241] set_robust_list(0x55556c898760, 24 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4241] <... set_robust_list resumed>) = 0 [pid 309] getdents64(4 [pid 4241] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4239] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(4 [pid 4241] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4241] chdir("./748" [pid 309] <... close resumed>) = 0 [pid 4241] <... chdir resumed>) = 0 [pid 4239] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./792/config" [pid 4241] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4241] setpgid(0, 0) = 0 [pid 4241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 4239] chdir("./802" [pid 309] getdents64(3 [pid 4241] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4239] <... chdir resumed>) = 0 [pid 309] close(3 [pid 4241] <... write resumed>) = 4 [pid 4239] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... close resumed>) = 0 [pid 4241] close(3 [pid 4239] <... prctl resumed>) = 0 [pid 309] rmdir("./792" [pid 4241] <... close resumed>) = 0 [pid 4241] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4239] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 4242] <... set_robust_list resumed>) = 0 [pid 4239] <... setpgid resumed>) = 0 [pid 309] mkdir("./793", 0777 [pid 4241] write(1, "executing program\n", 18) = 18 [pid 4241] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4242] rt_sigprocmask(SIG_SETMASK, [] [pid 4239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 4241] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4242] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4241] <... mount resumed>) = 0 [pid 4239] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4239] write(3, "1000", 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4242] chdir("./809" [pid 4241] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4241] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4239] <... write resumed>) = 4 [pid 4242] <... chdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4243 [pid 4239] close(3 [pid 4241] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4239] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4242] <... prctl resumed>) = 0 [pid 4241] <... unlinkat resumed>) = 0 [pid 4239] symlink("/dev/binderfs", "./binderfs" [pid 4241] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4241] exit_group(0 [pid 4239] <... symlink resumed>) = 0 [pid 4242] setpgid(0, 0 [pid 4241] <... exit_group resumed>) = ? [pid 4242] <... setpgid resumed>) = 0 [pid 4239] write(1, "executing program\n", 18 [pid 4242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4239] <... write resumed>) = 18 [pid 4242] <... openat resumed>) = 3 [pid 4241] +++ exited with 0 +++ executing program [pid 4239] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4243 attached [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4243] set_robust_list(0x55556c898760, 24 [pid 4242] write(3, "1000", 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4243] <... set_robust_list resumed>) = 0 [pid 4243] rt_sigprocmask(SIG_SETMASK, [] [pid 4242] <... write resumed>) = 4 [pid 4243] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4242] close(3 [pid 4239] <... mkdirat resumed>) = 0 [pid 4243] chdir("./793" [pid 4242] <... close resumed>) = 0 [pid 4239] mount(NULL, "./config", "configfs", 0, NULL [pid 4243] <... chdir resumed>) = 0 [pid 4242] symlink("/dev/binderfs", "./binderfs" [pid 4243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4239] <... mount resumed>) = 0 [pid 4243] <... prctl resumed>) = 0 [pid 4243] setpgid(0, 0) = 0 [pid 4243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4242] <... symlink resumed>) = 0 [pid 4239] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 4243] write(3, "1000", 4 [pid 4242] write(1, "executing program\n", 18 [pid 4239] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4243] <... write resumed>) = 4 [pid 4243] close(3) = 0 [pid 4242] <... write resumed>) = 18 [pid 4239] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] umount2("./775", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4243] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4243] <... symlink resumed>) = 0 [pid 4242] mkdirat(AT_FDCWD, "./config", 0777 [pid 4239] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] openat(AT_FDCWD, "./775", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4243] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 3 [pid 4243] <... write resumed>) = 18 [pid 4243] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] fstat(3 [pid 4239] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4243] <... mkdirat resumed>) = 0 [pid 4239] <... mkdirat resumed>) = 0 [pid 307] getdents64(3 executing program [pid 4243] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4242] <... mkdirat resumed>) = 0 [pid 4239] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] umount2("./775/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] newfstatat(AT_FDCWD, "./775/binderfs" [pid 4243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./748", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./775/binderfs" [pid 4242] mount(NULL, "./config", "configfs", 0, NULL [pid 4239] <... symlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./748", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4239] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 4243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] fstat(3 [pid 4239] <... unlinkat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4242] <... mount resumed>) = 0 [pid 4239] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... umount2 resumed>) = 0 [pid 306] getdents64(3 [pid 307] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4243] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] newfstatat(AT_FDCWD, "./775/config" [pid 306] umount2("./748/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./748/binderfs" [pid 4242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4239] <... unlinkat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] openat(AT_FDCWD, "./775/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] unlink("./748/binderfs" [pid 4239] exit_group(0 [pid 307] <... openat resumed>) = 4 [pid 4243] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] fstat(4 [pid 306] <... unlink resumed>) = 0 [pid 4242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4239] <... exit_group resumed>) = ? [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] getdents64(4 [pid 4243] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... umount2 resumed>) = 0 [pid 4243] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4242] <... mkdirat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4243] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4242] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] getdents64(4 [pid 306] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4243] exit_group(0 [pid 4239] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4243] <... exit_group resumed>) = ? [pid 4242] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(4 [pid 306] newfstatat(AT_FDCWD, "./748/config" [pid 4243] +++ exited with 0 +++ [pid 4242] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./775/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4242] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4243, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./802", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./802", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./748/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4242] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./802/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./748/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4242] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./802/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(3 [pid 306] <... openat resumed>) = 4 [pid 4242] exit_group(0 [pid 308] unlink("./802/binderfs" [pid 4242] <... exit_group resumed>) = ? [pid 308] <... unlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] fstat(4 [pid 308] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./775" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./802/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./776", 0777 [pid 308] openat(AT_FDCWD, "./802/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(4 [pid 4242] +++ exited with 0 +++ [pid 308] rmdir("./802/config") = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rmdir("./802" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4244 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rmdir resumed>) = 0 [pid 306] rmdir("./748/config" [pid 309] umount2("./793", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./803", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./793", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(3 [pid 309] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4245 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 309] umount2("./793/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./748"ci2-android-6-1/strace-static-x86_64: Process 4244 attached [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4244] set_robust_list(0x55556c898760, 24) = 0 [pid 4244] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./793/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 4244] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4244] chdir("./776" [pid 306] mkdir("./749", 0777 [pid 309] unlink("./793/binderfs" [pid 4244] <... chdir resumed>) = 0 [pid 4244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4244] setpgid(0, 0) = 0 [pid 4244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4244] write(3, "1000", 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = 0 [pid 4244] <... write resumed>) = 4 [pid 4244] close(3) = 0 [pid 4244] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4246 [pid 4244] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4244] <... write resumed>) = 18 [pid 309] newfstatat(AT_FDCWD, "./793/config" [pid 310] umount2("./809", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./809", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./793/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4244] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(3 [pid 309] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4245 attached [pid 4244] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] fstat(4 [pid 4244] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./809/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./809/binderfs" [pid 4244] <... mount resumed>) = 0 [pid 4244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 310] unlink("./809/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4244] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] close(4 [pid 310] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 4244] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = 0 [pid 309] rmdir("./793/config" [pid 310] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./809/config" [pid 309] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4244] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4244] <... symlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./809/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 4244] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] rmdir("./793" [pid 310] fstat(4 [pid 4244] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4244] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 309] mkdir("./794", 0777 [pid 4244] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4245] set_robust_list(0x55556c898760, 24 [pid 4244] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 309] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./809/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4246 attached [pid 4246] set_robust_list(0x55556c898760, 24) = 0 [pid 4246] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4246] chdir("./749") = 0 [pid 4246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4246] setpgid(0, 0) = 0 [pid 4246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4247 [pid 310] getdents64(3 [pid 4246] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4246] <... write resumed>) = 4 [pid 4246] close(3) = 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./809" [pid 4246] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4246] write(1, "executing program\n", 18 [pid 310] mkdir("./810", 0777 [pid 4246] <... write resumed>) = 18 executing program [pid 4246] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4246] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4246] <... mount resumed>) = 0 [pid 4245] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4246] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4246] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4248 [pid 4246] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4246] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4246] <... unlinkat resumed>) = 0 [pid 4246] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4246] exit_group(0 [pid 4245] rt_sigprocmask(SIG_SETMASK, [] [pid 4246] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4248 attached [pid 4246] +++ exited with 0 +++ [pid 4245] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4247 attached [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./776", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4247] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4247] <... set_robust_list resumed>) = 0 [pid 307] openat(AT_FDCWD, "./776", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4247] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 3 [pid 4247] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(3 [pid 4247] chdir("./794" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4247] <... chdir resumed>) = 0 [pid 4247] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] getdents64(3 [pid 4247] <... prctl resumed>) = 0 [pid 4247] setpgid(0, 0) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4245] chdir("./803" [pid 307] umount2("./776/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4245] <... chdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4247] <... openat resumed>) = 3 [pid 4245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] newfstatat(AT_FDCWD, "./776/binderfs" [pid 4247] write(3, "1000", 4 [pid 4245] <... prctl resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4247] <... write resumed>) = 4 [pid 4247] close(3 [pid 4245] setpgid(0, 0 [pid 307] unlink("./776/binderfs" [pid 4247] <... close resumed>) = 0 [pid 4247] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4245] <... setpgid resumed>) = 0 [pid 4248] set_robust_list(0x55556c898760, 24 [pid 307] <... unlink resumed>) = 0 [pid 4247] write(1, "executing program\n", 18 [pid 307] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4247] <... write resumed>) = 18 [pid 4247] mkdirat(AT_FDCWD, "./config", 0777 [pid 4245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = 0 executing program [pid 4248] <... set_robust_list resumed>) = 0 [pid 4247] <... mkdirat resumed>) = 0 [pid 4245] <... openat resumed>) = 3 [pid 307] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 4247] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4245] write(3, "1000", 4 [pid 307] newfstatat(AT_FDCWD, "./776/config" [pid 4247] <... mount resumed>) = 0 [pid 4245] <... write resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4247] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4245] close(3 [pid 307] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./749", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./776/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4247] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4247] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] openat(AT_FDCWD, "./749", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4247] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... openat resumed>) = 4 [pid 306] <... openat resumed>) = 3 [pid 4245] <... close resumed>) = 0 [pid 307] fstat(4 [pid 306] fstat(3 [pid 4248] rt_sigprocmask(SIG_SETMASK, [] [pid 4247] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4245] symlink("/dev/binderfs", "./binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 4248] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4247] <... mkdirat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(3 [pid 307] getdents64(4 [pid 4248] chdir("./810" [pid 4247] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4245] <... symlink resumed>) = 0 [pid 307] close(4 [pid 306] umount2("./749/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4245] write(1, "executing program\n", 18 [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4248] <... chdir resumed>) = 0 [pid 4247] <... symlinkat resumed>) = 0 executing program [pid 4245] <... write resumed>) = 18 [pid 307] rmdir("./776/config" [pid 306] newfstatat(AT_FDCWD, "./749/binderfs" [pid 4247] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4247] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4247] exit_group(0) = ? [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 306] unlink("./749/binderfs" [pid 4245] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4247] +++ exited with 0 +++ [pid 4245] <... mkdirat resumed>) = 0 [pid 307] close(3 [pid 306] <... unlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./776" [pid 306] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4245] mount(NULL, "./config", "configfs", 0, NULL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4248] setpgid(0, 0) = 0 [pid 4248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 4248] <... openat resumed>) = 3 [pid 307] mkdir("./777", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 4245] <... mount resumed>) = 0 [pid 4248] write(3, "1000", 4) = 4 [pid 4248] close(3) = 0 [pid 4248] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4245] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4248] write(1, "executing program\n", 18 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./749/config" [pid 4245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4248] <... write resumed>) = 18 [pid 4248] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4249 [pid 4245] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./749/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4248] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./794", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./794", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./749/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 4 [pid 309] fstat(3 [pid 306] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 306] getdents64(4 [pid 4248] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4248] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./794/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 4249 attached [pid 4249] set_robust_list(0x55556c898760, 24) = 0 [pid 4249] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4249] chdir("./777") = 0 [pid 4249] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4249] setpgid(0, 0) = 0 [pid 4249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4248] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4245] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./794/binderfs" [pid 4245] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 309] unlink("./794/binderfs" [pid 306] rmdir("./749/config" [pid 4248] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4249] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 4249] write(3, "1000", 4) = 4 [pid 4249] close(3) = 0 [pid 4249] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rmdir resumed>) = 0 executing program [pid 309] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4248] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4245] <... symlinkat resumed>) = 0 [pid 306] getdents64(3 [pid 4248] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = 0 [pid 4248] <... unlinkat resumed>) = 0 [pid 4245] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4248] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4248] <... unlinkat resumed>) = 0 [pid 4245] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] newfstatat(AT_FDCWD, "./794/config" [pid 306] close(3 [pid 4248] exit_group(0 [pid 4245] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4248] <... exit_group resumed>) = ? [pid 309] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4249] <... symlink resumed>) = 0 [pid 4248] +++ exited with 0 +++ [pid 4245] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./749" [pid 309] openat(AT_FDCWD, "./794/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4249] write(1, "executing program\n", 18) = 18 executing program [pid 4249] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4245] exit_group(0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... openat resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 4249] mount(NULL, "./config", "configfs", 0, NULL [pid 4245] <... exit_group resumed>) = ? [pid 309] fstat(4 [pid 306] mkdir("./750", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4249] <... mount resumed>) = 0 [pid 4249] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4249] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4249] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4249] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] close(4 [pid 4249] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4250 [pid 309] rmdir("./794/config" [pid 4249] <... unlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4249] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 4249] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4249] <... exit_group resumed>) = ? [pid 309] close(3 [pid 4249] +++ exited with 0 +++ [pid 4245] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./794" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4250 attached [pid 4250] set_robust_list(0x55556c898760, 24) = 0 [pid 4250] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] mkdir("./795", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4250] chdir("./750") = 0 [pid 4250] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4250] setpgid(0, 0 [pid 309] <... mkdir resumed>) = 0 [pid 4250] <... setpgid resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4250] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4250] write(3, "1000", 4) = 4 [pid 4250] close(3) = 0 ci2-android-6-1/strace-static-x86_64: Process 4251 attached [pid 4250] symlink("/dev/binderfs", "./binderfs" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4251 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4251] set_robust_list(0x55556c898760, 24 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4250] <... symlink resumed>) = 0 [pid 4251] <... set_robust_list resumed>) = 0 [pid 4250] write(1, "executing program\n", 18) = 18 executing program [pid 4251] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4250] mkdirat(AT_FDCWD, "./config", 0777 [pid 4251] chdir("./795" [pid 4250] <... mkdirat resumed>) = 0 [pid 4250] mount(NULL, "./config", "configfs", 0, NULL [pid 4251] <... chdir resumed>) = 0 [pid 4250] <... mount resumed>) = 0 [pid 4251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4250] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... restart_syscall resumed>) = 0 [pid 4251] <... prctl resumed>) = 0 [pid 4250] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4251] setpgid(0, 0 [pid 4250] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4251] <... setpgid resumed>) = 0 [pid 307] umount2("./777", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4250] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4250] <... mkdirat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./777", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4250] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... openat resumed>) = 3 [pid 4250] <... symlinkat resumed>) = 0 [pid 307] fstat(3 [pid 4251] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4250] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4251] write(3, "1000", 4 [pid 4250] <... unlinkat resumed>) = 0 [pid 307] getdents64(3 [pid 4250] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4251] <... write resumed>) = 4 [pid 4250] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4251] close(3 [pid 4250] exit_group(0 [pid 307] umount2("./777/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4250] <... exit_group resumed>) = ? [pid 4251] <... close resumed>) = 0 [pid 4250] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4251] symlink("/dev/binderfs", "./binderfs" [pid 307] newfstatat(AT_FDCWD, "./777/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4251] <... symlink resumed>) = 0 [pid 310] umount2("./810", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./777/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4251] write(1, "executing program\n", 18 [pid 307] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./810", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4251] <... write resumed>) = 18 [pid 310] <... openat resumed>) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 310] fstat(3 [pid 4251] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 310] getdents64(3 [pid 308] umount2("./803", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4251] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4251] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./810/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./803", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./777/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./810/binderfs" [pid 308] fstat(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4251] <... mount resumed>) = 0 [pid 310] unlink("./810/binderfs" [pid 307] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4251] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4251] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./803/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./777/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 4251] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] newfstatat(AT_FDCWD, "./803/binderfs" [pid 307] fstat(4 [pid 310] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4251] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./803/binderfs" [pid 4251] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] newfstatat(AT_FDCWD, "./810/config" [pid 307] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4251] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./810/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4251] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(4 [pid 310] fstat(4 [pid 4251] <... symlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4251] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./803/config" [pid 307] rmdir("./777/config" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 310] getdents64(4 [pid 308] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./750", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4251] <... unlinkat resumed>) = 0 [pid 310] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./803/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4251] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./810/config" [pid 307] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./750", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 4 [pid 4251] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] fstat(4 [pid 307] rmdir("./777" [pid 306] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 4251] exit_group(0) = ? [pid 4251] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 308] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 307] mkdir("./778", 0777 [pid 306] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] rmdir("./810" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] close(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 306] umount2("./750/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] mkdir("./811", 0777 [pid 308] rmdir("./803/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4252 attached [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4252 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./795", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./750/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] unlink("./750/binderfs" [pid 4252] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 4252] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./795", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 3 [pid 308] close(3 [pid 4252] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./750/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./750/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./750/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4 [pid 309] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4252] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4253 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4252] chdir("./778" [pid 309] getdents64(3 [pid 308] rmdir("./803" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./750/config" [pid 4252] <... chdir resumed>) = 0 [pid 309] umount2("./795/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] getdents64(3 [pid 4252] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./804", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4252] setpgid(0, 0 [pid 309] newfstatat(AT_FDCWD, "./795/binderfs" [pid 306] close(3) = 0 [pid 306] rmdir("./750" [pid 4252] <... setpgid resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] unlink("./795/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./751", 0777 [pid 4252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... unlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c898750) = 4254 [pid 309] <... umount2 resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4252] <... openat resumed>) = 3 [pid 309] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4255 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4252] write(3, "1000", 4 [pid 309] newfstatat(AT_FDCWD, "./795/config" [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4253 attached [pid 4252] <... write resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4252] close(3 [pid 4253] set_robust_list(0x55556c898760, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4252] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./795/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4253] <... set_robust_list resumed>) = 0 [pid 4252] symlink("/dev/binderfs", "./binderfs" [pid 309] <... openat resumed>) = 4 [pid 4253] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(4 [pid 4253] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4252] <... symlink resumed>) = 0 [pid 309] getdents64(4 [pid 4253] chdir("./811" [pid 4252] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4253] <... chdir resumed>) = 0 [pid 4253] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4253] setpgid(0, 0) = 0 [pid 309] getdents64(4 [pid 4252] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 4253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4252] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(4 [pid 4253] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 4253] write(3, "1000", 4 [pid 309] rmdir("./795/config" [pid 4253] <... write resumed>) = 4 [pid 4253] close(3) = 0 [pid 4253] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4252] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4253] write(1, "executing program\n", 18 [pid 4252] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(3 [pid 4253] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4253] mkdirat(AT_FDCWD, "./config", 0777 [pid 4252] <... mount resumed>) = 0 executing program [pid 309] close(3ci2-android-6-1/strace-static-x86_64: Process 4255 attached [pid 4253] <... mkdirat resumed>) = 0 [pid 4252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... close resumed>) = 0 [pid 4253] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rmdir("./795" [pid 4252] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4253] <... mount resumed>) = 0 [pid 4253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 4252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] mkdir("./796", 0777 [pid 4253] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4253] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4252] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 4253] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4253] <... unlinkat resumed>) = 0 [pid 4252] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4253] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4252] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4253] exit_group(0) = ? [pid 4253] +++ exited with 0 +++ [pid 4252] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4256 [pid 4252] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4254 attached [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4252] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4254] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4252] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4254] rt_sigprocmask(SIG_SETMASK, [] [pid 4252] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4254] chdir("./751") = 0 [pid 4252] exit_group(0 [pid 4254] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4254] setpgid(0, 0) = 0 [pid 4254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4252] <... exit_group resumed>) = ? [pid 4255] set_robust_list(0x55556c898760, 24 [pid 4254] <... openat resumed>) = 3 [pid 4254] write(3, "1000", 4) = 4 [pid 4254] close(3) = 0 [pid 4254] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4252] +++ exited with 0 +++ [pid 4254] write(1, "executing program\n", 18) = 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4254] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4255] <... set_robust_list resumed>) = 0 [pid 4254] <... mkdirat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4256 attached [pid 4256] set_robust_list(0x55556c898760, 24) = 0 [pid 4255] rt_sigprocmask(SIG_SETMASK, [] [pid 4256] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4256] chdir("./796" [pid 4255] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4254] mount(NULL, "./config", "configfs", 0, NULL [pid 4256] <... chdir resumed>) = 0 [pid 4256] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4256] setpgid(0, 0) = 0 [pid 4256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4256] write(3, "1000", 4) = 4 [pid 4256] close(3) = 0 [pid 4256] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4255] chdir("./804" [pid 4256] write(1, "executing program\n", 18) = 18 [pid 4256] mkdirat(AT_FDCWD, "./config", 0777 [pid 4254] <... mount resumed>) = 0 [pid 310] umount2("./811", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4255] <... chdir resumed>) = 0 executing program [pid 4254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4256] <... mkdirat resumed>) = 0 [pid 4255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4254] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./811", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4255] <... prctl resumed>) = 0 [pid 4256] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... openat resumed>) = 3 [pid 4255] setpgid(0, 0 [pid 4254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(3 [pid 4256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4255] <... setpgid resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4254] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 4256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./811/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./811/binderfs" [pid 4255] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4255] write(3, "1000", 4 [pid 4254] <... mkdirat resumed>) = 0 [pid 4256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4256] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] unlink("./811/binderfs" [pid 4255] <... write resumed>) = 4 [pid 4254] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4256] <... symlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4255] close(3 [pid 310] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4255] <... close resumed>) = 0 [pid 4254] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4256] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4255] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4256] <... unlinkat resumed>) = 0 [pid 4254] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4256] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4255] <... symlink resumed>) = 0 [pid 4254] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4256] <... unlinkat resumed>) = 0 [pid 4255] write(1, "executing program\n", 18 [pid 4254] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./811/config" executing program [pid 307] umount2("./778", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4256] exit_group(0 [pid 4255] <... write resumed>) = 18 [pid 4254] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4256] <... exit_group resumed>) = ? [pid 4255] mkdirat(AT_FDCWD, "./config", 0777 [pid 4254] exit_group(0 [pid 310] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./778", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4256] +++ exited with 0 +++ [pid 4255] <... mkdirat resumed>) = 0 [pid 4254] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 4255] mount(NULL, "./config", "configfs", 0, NULL [pid 310] openat(AT_FDCWD, "./811/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 310] <... openat resumed>) = 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] fstat(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4254] +++ exited with 0 +++ [pid 307] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4255] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 307] umount2("./778/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./778/binderfs" [pid 4255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 307] unlink("./778/binderfs" [pid 4255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] rmdir("./811/config" [pid 307] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4255] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4255] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./778/config" [pid 4255] <... symlinkat resumed>) = 0 [pid 310] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4255] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 307] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4255] <... unlinkat resumed>) = 0 [pid 310] rmdir("./811" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./778/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4 [pid 4255] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] mkdir("./812", 0777 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 4255] <... unlinkat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4255] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./778/config" [pid 4255] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./778") = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4257 [pid 307] mkdir("./779", 0777ci2-android-6-1/strace-static-x86_64: Process 4257 attached [pid 4255] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 4257] set_robust_list(0x55556c898760, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4257] <... set_robust_list resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4257] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4258 attached , NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4258 [pid 4258] set_robust_list(0x55556c898760, 24 [pid 4257] chdir("./812" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4258] <... set_robust_list resumed>) = 0 [pid 4257] <... chdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4258] rt_sigprocmask(SIG_SETMASK, [] [pid 4257] <... prctl resumed>) = 0 [pid 4258] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4257] setpgid(0, 0) = 0 [pid 4258] chdir("./779") = 0 [pid 4257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... restart_syscall resumed>) = 0 [pid 4258] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4257] <... openat resumed>) = 3 [pid 4258] setpgid(0, 0 [pid 306] umount2("./751", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4257] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4257] <... write resumed>) = 4 [pid 306] openat(AT_FDCWD, "./751", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4257] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4257] <... close resumed>) = 0 [pid 4258] <... setpgid resumed>) = 0 [pid 4257] symlink("/dev/binderfs", "./binderfs" [pid 306] fstat(3 [pid 4258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./796", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./804", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./796", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 308] openat(AT_FDCWD, "./804", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 4258] <... openat resumed>) = 3 [pid 4257] <... symlink resumed>) = 0 [pid 309] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4257] write(1, "executing program\n", 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 4257] <... write resumed>) = 18 [pid 306] umount2("./751/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4258] write(3, "1000", 4 [pid 4257] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./796/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./751/binderfs" [pid 308] umount2("./804/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./796/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./751/binderfs" [pid 309] unlink("./796/binderfs" [pid 308] newfstatat(AT_FDCWD, "./804/binderfs" [pid 4258] <... write resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] unlink("./804/binderfs" [pid 306] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4258] close(3) = 0 [pid 4258] symlink("/dev/binderfs", "./binderfs" [pid 308] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 308] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4257] <... mkdirat resumed>) = 0 [pid 309] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4258] <... symlink resumed>) = 0 [pid 4257] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 4258] write(1, "executing program\n", 18) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4257] <... mount resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./796/config" [pid 308] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4258] mkdirat(AT_FDCWD, "./config", 0777 [pid 4257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] newfstatat(AT_FDCWD, "./751/config" [pid 4257] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./804/config" [pid 4257] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./751/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./796/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 308] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./751/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] openat(AT_FDCWD, "./804/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 4 [pid 4258] <... mkdirat resumed>) = 0 [pid 4257] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 4258] mount(NULL, "./config", "configfs", 0, NULL [pid 4257] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(4 [pid 308] fstat(4 [pid 4258] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4257] <... symlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4257] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(4 [pid 306] getdents64(4 [pid 308] getdents64(4 [pid 4258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... close resumed>) = 0 [pid 4258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4257] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./796/config" [pid 4258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4257] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(4 [pid 306] getdents64(4 [pid 4258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4258] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4257] <... unlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 308] close(4 [pid 306] close(4 [pid 4258] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4258] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4257] exit_group(0 [pid 4258] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] close(3 [pid 308] rmdir("./804/config" [pid 306] rmdir("./751/config" [pid 4257] <... exit_group resumed>) = ? [pid 4258] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 4258] exit_group(0 [pid 308] <... rmdir resumed>) = 0 [pid 4258] <... exit_group resumed>) = ? [pid 4258] +++ exited with 0 +++ [pid 4257] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./796" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./812", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./797", 0777 [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./804" [pid 307] umount2("./779", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./812", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./779", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] close(3 [pid 310] fstat(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] mkdir("./805", 0777 [pid 307] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] rmdir("./751" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./779/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] umount2("./812/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./779/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./779/binderfs" [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4259 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4259 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4259] set_robust_list(0x55556c898760, 24 [pid 310] newfstatat(AT_FDCWD, "./812/binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./752", 0777 [pid 4259] <... set_robust_list resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./779/config" [pid 310] unlink("./812/binderfs" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4260 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./779/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 4260 attached [pid 4259] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 4 [pid 4260] set_robust_list(0x55556c898760, 24 [pid 4259] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4260] <... set_robust_list resumed>) = 0 [pid 4259] chdir("./797" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4260] rt_sigprocmask(SIG_SETMASK, [] [pid 4259] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./812/config" [pid 307] getdents64(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4260] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4259] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 4259] <... prctl resumed>) = 0 [pid 310] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 4260] chdir("./805" [pid 4259] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./779/config" [pid 4260] <... chdir resumed>) = 0 [pid 4259] <... setpgid resumed>) = 0 [pid 310] openat(AT_FDCWD, "./812/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4261 [pid 4260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 4 [pid 307] getdents64(3 [pid 4260] <... prctl resumed>) = 0 [pid 4259] <... openat resumed>) = 3 [pid 310] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4260] setpgid(0, 0 [pid 4259] write(3, "1000", 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(3 [pid 4260] <... setpgid resumed>) = 0 [pid 4259] <... write resumed>) = 4 [pid 310] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4259] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rmdir("./779" [pid 4260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4259] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 4260] <... openat resumed>) = 3 [pid 4259] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] mkdir("./780", 0777 [pid 4260] write(3, "1000", 4 [pid 4259] <... symlink resumed>) = 0 [pid 310] close(4 [pid 307] <... mkdir resumed>) = 0 [pid 4260] <... write resumed>) = 4 [pid 4259] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4260] close(3 [pid 4259] <... write resumed>) = 18 [pid 310] rmdir("./812/config" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4262 attached [pid 4260] <... close resumed>) = 0 [pid 4259] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 4260] symlink("/dev/binderfs", "./binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4262 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4259] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 4262] set_robust_list(0x55556c898760, 24 [pid 4260] <... symlink resumed>) = 0 [pid 4259] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4262] <... set_robust_list resumed>) = 0 [pid 4260] write(1, "executing program\n", 18 [pid 310] close(3) = 0 [pid 4260] <... write resumed>) = 18 [pid 4259] <... mount resumed>) = 0 executing program [pid 310] rmdir("./812"ci2-android-6-1/strace-static-x86_64: Process 4261 attached [pid 4261] set_robust_list(0x55556c898760, 24 [pid 310] <... rmdir resumed>) = 0 [pid 4259] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4260] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] mkdir("./813", 0777 [pid 4261] <... set_robust_list resumed>) = 0 [pid 4259] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4261] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4259] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4259] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4262] rt_sigprocmask(SIG_SETMASK, [] [pid 4261] chdir("./752" [pid 4260] <... mkdirat resumed>) = 0 [pid 4259] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4260] mount(NULL, "./config", "configfs", 0, NULL [pid 4261] <... chdir resumed>) = 0 [pid 4261] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4261] setpgid(0, 0) = 0 [pid 4259] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4263 [pid 4261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4260] <... mount resumed>) = 0 [pid 4259] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4262] chdir("./780" [pid 4260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4262] <... chdir resumed>) = 0 [pid 4261] <... openat resumed>) = 3 [pid 4260] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4259] <... symlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4259] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4262] <... prctl resumed>) = 0 [pid 4260] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4262] setpgid(0, 0 [pid 4261] write(3, "1000", 4 [pid 4260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4259] <... unlinkat resumed>) = 0 [pid 4262] <... setpgid resumed>) = 0 [pid 4260] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4259] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4261] <... write resumed>) = 4 [pid 4259] <... unlinkat resumed>) = 0 [pid 4260] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4261] close(3) = 0 [pid 4259] exit_group(0 [pid 4260] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4259] <... exit_group resumed>) = ? [pid 4260] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4261] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4261] write(1, "executing program\n", 18 [pid 4259] +++ exited with 0 +++ [pid 4260] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4262] <... openat resumed>) = 3 [pid 4261] <... write resumed>) = 18 [pid 4260] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4262] write(3, "1000", 4) = 4 [pid 4261] mkdirat(AT_FDCWD, "./config", 0777 [pid 4260] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4262] close(3) = 0 [pid 4261] <... mkdirat resumed>) = 0 [pid 4260] exit_group(0 [pid 4262] symlink("/dev/binderfs", "./binderfs" [pid 4260] <... exit_group resumed>) = ? [pid 4261] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4261] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4260] +++ exited with 0 +++ [pid 4261] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4261] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4262] <... symlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4263 attached [pid 4262] write(1, "executing program\n", 18 [pid 4261] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4263] set_robust_list(0x55556c898760, 24 [pid 4262] <... write resumed>) = 18 [pid 4263] <... set_robust_list resumed>) = 0 executing program [pid 4263] rt_sigprocmask(SIG_SETMASK, [] [pid 4262] mkdirat(AT_FDCWD, "./config", 0777 [pid 4261] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4263] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4261] <... mkdirat resumed>) = 0 [pid 4261] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4263] chdir("./813" [pid 4262] <... mkdirat resumed>) = 0 [pid 4261] <... symlinkat resumed>) = 0 [pid 4263] <... chdir resumed>) = 0 [pid 4262] mount(NULL, "./config", "configfs", 0, NULL [pid 4261] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4263] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4262] <... mount resumed>) = 0 [pid 4261] <... unlinkat resumed>) = 0 [pid 4263] setpgid(0, 0 [pid 4262] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4261] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4263] <... setpgid resumed>) = 0 [pid 4262] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4261] <... unlinkat resumed>) = 0 [pid 4263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4261] exit_group(0 [pid 4263] <... openat resumed>) = 3 [pid 4262] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4261] <... exit_group resumed>) = ? [pid 4263] write(3, "1000", 4 [pid 4262] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4261] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 4263] <... write resumed>) = 4 [pid 4262] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4263] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4263] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4263] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./797", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4262] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./797", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4262] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4262] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 4262] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4263] <... symlink resumed>) = 0 [pid 308] umount2("./805", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4262] <... unlinkat resumed>) = 0 [pid 309] umount2("./797/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4263] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./805", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./797/binderfs" [pid 308] <... openat resumed>) = 3 [pid 4262] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(3 [pid 309] unlink("./797/binderfs" [pid 306] umount2("./752", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4262] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4262] exit_group(0) = ? [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] openat(AT_FDCWD, "./752", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 308] umount2("./805/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4263] <... write resumed>) = 18 [pid 4262] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 309] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./805/binderfs" [pid 306] fstat(3 [pid 4263] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./797/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] unlink("./805/binderfs" [pid 306] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4263] <... mkdirat resumed>) = 0 [pid 309] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4263] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./752/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./797/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4263] <... mount resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./752/binderfs" [pid 309] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] fstat(4 [pid 308] newfstatat(AT_FDCWD, "./805/config" [pid 306] unlink("./752/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] getdents64(4 [pid 308] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 4263] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 308] openat(AT_FDCWD, "./805/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4263] <... symlinkat resumed>) = 0 [pid 309] close(4 [pid 308] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] fstat(4 [pid 309] rmdir("./797/config" [pid 306] newfstatat(AT_FDCWD, "./752/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4263] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4263] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./752/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 309] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 308] close(4 [pid 309] rmdir("./797" [pid 306] openat(AT_FDCWD, "./752/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 4263] exit_group(0) = ? [pid 4263] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./805/config" [pid 306] <... openat resumed>) = 4 [pid 309] mkdir("./798", 0777 [pid 306] fstat(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 308] close(3) = 0 [pid 308] rmdir("./805") = 0 ci2-android-6-1/strace-static-x86_64: Process 4264 attached [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4264 [pid 308] mkdir("./806", 0777 [pid 306] <... close resumed>) = 0 [pid 4264] set_robust_list(0x55556c898760, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 306] rmdir("./752/config" [pid 4264] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4264] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 4264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4265 [pid 306] getdents64(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4265 attached [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4264] chdir("./798" [pid 306] close(3 [pid 4265] set_robust_list(0x55556c898760, 24 [pid 306] <... close resumed>) = 0 [pid 4264] <... chdir resumed>) = 0 [pid 306] rmdir("./752" [pid 4265] <... set_robust_list resumed>) = 0 [pid 4265] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4265] chdir("./806") = 0 [pid 4264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rmdir resumed>) = 0 [pid 4265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] mkdir("./753", 0777 [pid 4264] <... prctl resumed>) = 0 [pid 4265] <... prctl resumed>) = 0 [pid 4265] setpgid(0, 0) = 0 [pid 4265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... mkdir resumed>) = 0 [pid 4264] setpgid(0, 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4264] <... setpgid resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4265] <... openat resumed>) = 3 [pid 4265] write(3, "1000", 4) = 4 [pid 4265] close(3) = 0 [pid 4265] symlink("/dev/binderfs", "./binderfs" [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4266 [pid 4265] <... symlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4265] write(1, "executing program\n", 18) = 18 [pid 307] umount2("./780", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./813", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./780", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./813", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 310] fstat(3 [pid 4264] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4264] write(3, "1000", 4 [pid 307] getdents64(3 [pid 310] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4264] <... write resumed>) = 4 executing program [pid 307] umount2("./780/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./813/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4264] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./780/binderfs" [pid 310] newfstatat(AT_FDCWD, "./813/binderfs" [pid 4264] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4264] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./780/binderfs" [pid 310] unlink("./813/binderfs" [pid 4265] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./780/config" [pid 310] newfstatat(AT_FDCWD, "./813/config" [pid 4264] <... symlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4264] write(1, "executing program\n", 18 [pid 307] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4264] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./780/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 310] openat(AT_FDCWD, "./813/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4265] <... mkdirat resumed>) = 0 [pid 4264] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 307] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 307] getdents64(4 [pid 4265] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4265] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 310] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 307] close(4 [pid 310] rmdir("./813/config" [pid 307] <... close resumed>) = 0 [pid 4265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 307] rmdir("./780/config" [pid 4264] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 4265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4264] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] close(3 [pid 307] getdents64(3 [pid 4265] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./813" [pid 4264] <... mount resumed>) = 0 [pid 307] close(3 [pid 4265] <... symlinkat resumed>) = 0 [pid 4265] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4264] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... close resumed>) = 0 [pid 310] mkdir("./814", 0777 [pid 307] rmdir("./780" [pid 4265] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4265] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 4265] <... exit_group resumed>) = ? [pid 4265] +++ exited with 0 +++ [pid 4264] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4266 attached [pid 4266] set_robust_list(0x55556c898760, 24) = 0 [pid 4266] rt_sigprocmask(SIG_SETMASK, [] [pid 4264] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] mkdir("./781", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4266] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4266] chdir("./753") = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... mkdir resumed>) = 0 [pid 4266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4266] setpgid(0, 0) = 0 [pid 4266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4264] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4264] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4267 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4266] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4266] <... write resumed>) = 4 [pid 4266] close(3) = 0 [pid 4266] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4266] write(1, "executing program\n", 18) = 18 executing program [pid 4266] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4264] <... mkdirat resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4268 [pid 4266] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4264] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4266] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4264] <... symlinkat resumed>) = 0 [pid 4266] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4266] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 4266] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4264] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4266] <... unlinkat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4264] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4266] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4264] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./806", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4266] <... unlinkat resumed>) = 0 [pid 4264] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4266] exit_group(0 [pid 4264] exit_group(0 [pid 308] openat(AT_FDCWD, "./806", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4266] <... exit_group resumed>) = ? [pid 308] <... openat resumed>) = 3 [pid 4264] <... exit_group resumed>) = ? [pid 308] fstat(3 [pid 4266] +++ exited with 0 +++ [pid 4264] +++ exited with 0 +++ [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4267 attached [pid 308] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4267] set_robust_list(0x55556c898760, 24 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./806/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4267] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4267] rt_sigprocmask(SIG_SETMASK, [] [pid 308] newfstatat(AT_FDCWD, "./806/binderfs" [pid 4267] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4267] chdir("./814" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4267] <... chdir resumed>) = 0 [pid 308] unlink("./806/binderfs" [pid 4267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4267] setpgid(0, 0) = 0 [pid 4267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... unlink resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4267] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./753", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./806/config" [pid 306] openat(AT_FDCWD, "./753", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 308] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4267] write(3, "1000", 4 [pid 306] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./806/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 4267] <... write resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 4267] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(4 [pid 306] umount2("./753/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./753/binderfs" [pid 4267] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 306] unlink("./753/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4267] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] close(4 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4268 attached [pid 308] <... close resumed>) = 0 [pid 306] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4267] write(1, "executing program\n", 18 [pid 308] rmdir("./806/config" [pid 4267] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = 0 [pid 4267] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4268] set_robust_list(0x55556c898760, 24 [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 306] newfstatat(AT_FDCWD, "./753/config" [pid 308] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./753/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./806" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4267] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./753/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./807", 0777 [pid 306] <... openat resumed>) = 4 [pid 4267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] fstat(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4268] <... set_robust_list resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4 [pid 4267] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4267] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4267] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4269 [pid 306] getdents64(4 [pid 4268] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4268] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(4 [pid 4268] chdir("./781" [pid 4267] exit_group(0 [pid 306] <... close resumed>) = 0 [pid 4267] <... exit_group resumed>) = ? [pid 306] rmdir("./753/config" [pid 4268] <... chdir resumed>) = 0 [pid 4268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4267] +++ exited with 0 +++ [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 4268] <... prctl resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4269 attached [pid 4269] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4268] setpgid(0, 0 [pid 306] close(3 [pid 4269] <... set_robust_list resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4268] <... setpgid resumed>) = 0 [pid 306] rmdir("./753" [pid 4269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4269] chdir("./807" [pid 306] <... rmdir resumed>) = 0 [pid 4269] <... chdir resumed>) = 0 [pid 306] mkdir("./754", 0777 [pid 4269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4269] setpgid(0, 0) = 0 [pid 4269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4269] write(3, "1000", 4) = 4 [pid 306] <... mkdir resumed>) = 0 [pid 4268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4269] close(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4269] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4268] <... openat resumed>) = 3 [pid 4269] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4269] write(1, "executing program\n", 18) = 18 executing program [pid 4269] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4268] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 4269] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4270 [pid 4268] <... write resumed>) = 4 [pid 4269] <... mount resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./814", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4268] close(3 [pid 4269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4268] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./814", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4268] symlink("/dev/binderfs", "./binderfs" [pid 4269] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 4269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4269] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 4269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4268] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... restart_syscall resumed>) = 0 [pid 4268] write(1, "executing program\n", 18 executing program [pid 310] umount2("./814/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4269] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./814/binderfs" [pid 4269] <... symlinkat resumed>) = 0 [pid 4268] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./798", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./814/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4269] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./798", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4268] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 4269] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(3 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4269] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./814/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./798/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./798/binderfs" [pid 310] openat(AT_FDCWD, "./814/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] unlink("./798/binderfs" [pid 310] fstat(4 [pid 4269] exit_group(0) = ? [pid 309] <... unlink resumed>) = 0 [pid 4268] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4268] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(4 [pid 4269] +++ exited with 0 +++ [pid 4268] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4270 attached [pid 310] getdents64(4 [pid 309] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] close(4 [pid 4268] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./798/config" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./814/config" [pid 4268] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4270] set_robust_list(0x55556c898760, 24) = 0 [pid 4270] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 4268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] openat(AT_FDCWD, "./798/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4270] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4270] chdir("./754" [pid 310] close(3 [pid 309] <... openat resumed>) = 4 [pid 4270] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] fstat(4 [pid 4268] <... mkdirat resumed>) = 0 [pid 310] rmdir("./814" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4270] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4270] setpgid(0, 0) = 0 [pid 4270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 4268] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(4 [pid 310] mkdir("./815", 0777 [pid 4270] <... openat resumed>) = 3 [pid 4270] write(3, "1000", 4) = 4 [pid 4270] close(3) = 0 [pid 4270] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4270] <... symlink resumed>) = 0 [pid 4270] write(1, "executing program\n", 18 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] close(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4268] <... symlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4270] <... write resumed>) = 18 [pid 4270] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] rmdir("./798/config" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4271 [pid 4268] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4270] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 4268] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 4268] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] close(3 [pid 4270] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 4270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rmdir("./798" [pid 4270] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 4271 attached [pid 4271] set_robust_list(0x55556c898760, 24 [pid 309] <... rmdir resumed>) = 0 [pid 4268] <... unlinkat resumed>) = 0 [pid 309] mkdir("./799", 0777 [pid 4270] <... mkdirat resumed>) = 0 [pid 4270] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 executing program [pid 309] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4268] exit_group(0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4270] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4268] <... exit_group resumed>) = ? [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4270] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4270] exit_group(0) = ? [pid 4270] +++ exited with 0 +++ [pid 308] umount2("./807", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4272 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4271] <... set_robust_list resumed>) = 0 [pid 4271] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./807", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 4268] +++ exited with 0 +++ [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4271] chdir("./815" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4271] <... chdir resumed>) = 0 [pid 308] umount2("./807/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4271] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4271] <... prctl resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./807/binderfs" [pid 4271] setpgid(0, 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4271] <... setpgid resumed>) = 0 [pid 4271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] unlink("./807/binderfs" [pid 4271] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 4271] write(3, "1000", 4 [pid 308] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4271] <... write resumed>) = 4 [pid 4271] close(3 [pid 308] <... umount2 resumed>) = 0 [pid 4271] <... close resumed>) = 0 [pid 308] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4271] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4271] <... symlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./807/config"ci2-android-6-1/strace-static-x86_64: Process 4272 attached [pid 4271] write(1, "executing program\n", 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4271] <... write resumed>) = 18 executing program [pid 4271] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4271] <... mkdirat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./807/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4272] set_robust_list(0x55556c898760, 24 [pid 4271] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./781", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./754", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] openat(AT_FDCWD, "./781", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4271] <... mount resumed>) = 0 [pid 306] openat(AT_FDCWD, "./754", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(3 [pid 308] getdents64(4 [pid 306] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 308] close(4 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 4271] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rmdir("./807/config" [pid 306] getdents64(3 [pid 307] umount2("./781/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4271] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4271] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 4271] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4271] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./781/binderfs" [pid 306] umount2("./754/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] unlink("./781/binderfs" [pid 306] newfstatat(AT_FDCWD, "./754/binderfs" [pid 4271] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rmdir("./807" [pid 4271] <... symlinkat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4271] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./754/binderfs" [pid 308] mkdir("./808", 0777 [pid 4271] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4271] exit_group(0) = ? [pid 4272] <... set_robust_list resumed>) = 0 [pid 4271] +++ exited with 0 +++ [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4272] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] newfstatat(AT_FDCWD, "./781/config" [pid 306] <... umount2 resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4272] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4272] chdir("./799") = 0 [pid 4272] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4272] setpgid(0, 0) = 0 [pid 4272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4273 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./754/config" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./781/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./754/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 4272] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./754/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 4272] write(3, "1000", 4) = 4 [pid 306] <... openat resumed>) = 4 [pid 4272] close(3) = 0 [pid 4272] symlink("/dev/binderfs", "./binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] fstat(4 [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 307] close(4 [pid 4272] <... symlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rmdir("./781/config" [pid 306] getdents64(4 [pid 4272] write(1, "executing program\n", 18) = 18 executing program [pid 4272] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4272] mount(NULL, "./config", "configfs", 0, NULL [pid 307] getdents64(3 [pid 306] close(4ci2-android-6-1/strace-static-x86_64: Process 4273 attached [pid 4273] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./815", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./754/config" [pid 307] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4273] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4273] chdir("./808" [pid 310] openat(AT_FDCWD, "./815", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 4272] <... mount resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 307] rmdir("./781" [pid 306] getdents64(3 [pid 310] fstat(3 [pid 4273] <... chdir resumed>) = 0 [pid 4273] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4273] setpgid(0, 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4272] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] mkdir("./782", 0777 [pid 4272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(3 [pid 306] close(3 [pid 4273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... close resumed>) = 0 [pid 310] umount2("./815/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./754" [pid 4272] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4273] write(3, "1000", 4) = 4 [pid 4273] close(3) = 0 [pid 310] newfstatat(AT_FDCWD, "./815/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4273] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4273] write(1, "executing program\n", 18) = 18 [pid 4273] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 4272] <... mkdirat resumed>) = 0 [pid 310] unlink("./815/binderfs" [pid 306] mkdir("./755", 0777 [pid 4273] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... mkdir resumed>) = 0 [pid 4272] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4274 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4273] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4273] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4273] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4273] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4273] exit_group(0) = ? [pid 4273] +++ exited with 0 +++ [pid 4272] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] newfstatat(AT_FDCWD, "./815/config" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4272] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4275 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./815/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4272] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... openat resumed>) = 4 [pid 4272] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4274 attached [pid 4272] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] getdents64(4 [pid 4274] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4272] exit_group(0 [pid 310] getdents64(4 [pid 4274] <... set_robust_list resumed>) = 0 [pid 4272] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4274] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(4 [pid 4274] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4274] chdir("./782" [pid 310] <... close resumed>) = 0 [pid 4274] <... chdir resumed>) = 0 [pid 310] rmdir("./815/config" [pid 4274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4274] setpgid(0, 0) = 0 [pid 4274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 4274] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 4272] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./815" [pid 4274] write(3, "1000", 4) = 4 [pid 4274] close(3) = 0 [pid 4274] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4274] write(1, "executing program\n", 18 [pid 310] mkdir("./816", 0777 [pid 4274] <... write resumed>) = 18 [pid 4274] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 executing program [pid 4274] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4274] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4274] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4274] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-6-1/strace-static-x86_64: Process 4275 attached ) = -1 EEXIST (File exists) [pid 4275] set_robust_list(0x55556c898760, 24 [pid 4274] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4275] <... set_robust_list resumed>) = 0 [pid 4274] <... mkdirat resumed>) = 0 [pid 4275] rt_sigprocmask(SIG_SETMASK, [] [pid 4274] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4276 [pid 4275] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4274] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4275] chdir("./755" [pid 4274] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4275] <... chdir resumed>) = 0 [pid 4274] <... unlinkat resumed>) = 0 [pid 308] umount2("./808", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4274] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4276 attached [pid 4275] <... prctl resumed>) = 0 [pid 4274] <... unlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./808", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4275] setpgid(0, 0 [pid 4274] exit_group(0 [pid 4275] <... setpgid resumed>) = 0 [pid 4274] <... exit_group resumed>) = ? [pid 4276] set_robust_list(0x55556c898760, 24 [pid 4275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4274] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4275] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 4275] write(3, "1000", 4) = 4 [pid 4275] close(3) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4275] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./808/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4276] <... set_robust_list resumed>) = 0 [pid 4275] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4275] write(1, "executing program\n", 18) = 18 executing program [pid 4275] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] newfstatat(AT_FDCWD, "./808/binderfs" [pid 4276] rt_sigprocmask(SIG_SETMASK, [] [pid 4275] <... mkdirat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4275] mount(NULL, "./config", "configfs", 0, NULL [pid 308] unlink("./808/binderfs" [pid 4276] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4275] <... mount resumed>) = 0 [pid 4276] chdir("./816" [pid 4275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... unlink resumed>) = 0 [pid 4276] <... chdir resumed>) = 0 [pid 4275] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 4276] <... prctl resumed>) = 0 [pid 4275] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4276] setpgid(0, 0 [pid 4275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4276] <... setpgid resumed>) = 0 [pid 4275] <... mkdirat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./808/config" [pid 4276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4275] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4276] <... openat resumed>) = 3 [pid 4275] <... symlinkat resumed>) = 0 [pid 308] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4275] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4275] <... unlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./808/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4275] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... openat resumed>) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] fstat(4 [pid 4275] exit_group(0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4275] <... exit_group resumed>) = ? [pid 308] getdents64(4 [pid 309] umount2("./799", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4276] write(3, "1000", 4 [pid 4275] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./799", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 4276] <... write resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 4276] close(3 [pid 309] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 4276] <... close resumed>) = 0 [pid 4276] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rmdir("./808/config" [pid 309] umount2("./799/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 4276] write(1, "executing program\n", 18) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./799/binderfs" [pid 308] getdents64(3 [pid 4276] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./782", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4276] mount(NULL, "./config", "configfs", 0, NULL [pid 309] unlink("./799/binderfs" [pid 308] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./755", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4276] <... mount resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./782", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./755", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = 0 [pid 308] rmdir("./808" [pid 309] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 4276] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./809", 0777 [pid 307] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./799/config" [pid 306] getdents64(3 [pid 4276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4276] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./782/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./755/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./799/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4276] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4276] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4276] exit_group(0 [pid 307] newfstatat(AT_FDCWD, "./782/binderfs" [pid 306] newfstatat(AT_FDCWD, "./755/binderfs" [pid 309] <... openat resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4277 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./782/binderfs" [pid 306] unlink("./755/binderfs" [pid 309] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4276] <... exit_group resumed>) = ? [pid 4276] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4277 attached [pid 4277] set_robust_list(0x55556c898760, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 307] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4277] <... set_robust_list resumed>) = 0 [pid 4277] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] umount2("./816", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./816", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./782/config" [pid 310] fstat(3 [pid 309] close(4 [pid 306] newfstatat(AT_FDCWD, "./755/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 309] rmdir("./799/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./755/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4277] chdir("./809") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] umount2("./816/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 307] openat(AT_FDCWD, "./782/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./755/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./816/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(4 [pid 306] <... openat resumed>) = 4 [pid 309] close(3 [pid 4277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] unlink("./816/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 306] fstat(4 [pid 4277] <... prctl resumed>) = 0 [pid 4277] setpgid(0, 0 [pid 310] <... unlink resumed>) = 0 [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./799" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 310] <... umount2 resumed>) = 0 [pid 307] getdents64(4 [pid 4277] <... setpgid resumed>) = 0 [pid 4277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./800", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 4277] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./816/config" [pid 4277] write(3, "1000", 4) = 4 [pid 4277] close(3) = 0 [pid 4277] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 306] close(4 [pid 4277] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./782/config" [pid 310] openat(AT_FDCWD, "./816/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 4277] <... write resumed>) = 18 [pid 4277] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./755/config" [pid 4277] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] fstat(4 [pid 4277] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 310] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4278 [pid 306] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 310] close(4 [pid 307] rmdir("./782" [pid 306] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] rmdir("./816/config" [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./755" [pid 4277] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4277] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4277] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 307] mkdir("./783", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./756", 0777 [pid 4277] <... unlinkat resumed>) = 0 [pid 4277] exit_group(0 [pid 310] close(3 [pid 307] <... mkdir resumed>) = 0 [pid 4277] <... exit_group resumed>) = ? executing program [pid 4277] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4278 attached executing program [pid 310] rmdir("./816" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4278] set_robust_list(0x55556c898760, 24) = 0 [pid 4278] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] mkdir("./817", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4278] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4278] chdir("./800") = 0 [pid 4278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... mkdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4278] <... prctl resumed>) = 0 [pid 4278] setpgid(0, 0) = 0 [pid 4278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4278] write(3, "1000", 4) = 4 [pid 4278] close(3) = 0 [pid 4278] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4278] write(1, "executing program\n", 18) = 18 [pid 4278] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4279 ci2-android-6-1/strace-static-x86_64: Process 4280 attached [pid 4278] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4280 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4278] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4278] <... mount resumed>) = 0 [pid 4278] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4278] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4278] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4281 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4278] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4278] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4278] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4278] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4280] set_robust_list(0x55556c898760, 24 [pid 4278] exit_group(0) = ? [pid 4280] <... set_robust_list resumed>) = 0 [pid 4278] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4279 attached [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4279] set_robust_list(0x55556c898760, 24 [pid 308] umount2("./809", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4279] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4279] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./809", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4279] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4279] chdir("./783" [pid 308] <... openat resumed>) = 3 [pid 4279] <... chdir resumed>) = 0 [pid 308] fstat(3 [pid 4279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4279] <... prctl resumed>) = 0 [pid 4279] setpgid(0, 0 [pid 308] getdents64(3 [pid 4279] <... setpgid resumed>) = 0 [pid 4279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4279] <... openat resumed>) = 3 [pid 308] umount2("./809/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4279] write(3, "1000", 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4279] <... write resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./809/binderfs" [pid 4279] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4279] <... close resumed>) = 0 [pid 308] unlink("./809/binderfs" [pid 4279] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4279] write(1, "executing program\n", 18) = 18 [pid 308] <... unlink resumed>) = 0 [pid 4279] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4279] <... mkdirat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4281 attached [pid 4281] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4281] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4280] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4279] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4281] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4280] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./809/config" [pid 4281] chdir("./817" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4280] chdir("./756" [pid 308] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./809/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4280] <... chdir resumed>) = 0 [pid 4281] <... chdir resumed>) = 0 [pid 4280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... openat resumed>) = 4 [pid 4279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4280] <... prctl resumed>) = 0 [pid 308] fstat(4 [pid 4281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4280] setpgid(0, 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4281] <... prctl resumed>) = 0 [pid 308] getdents64(4 [pid 4280] <... setpgid resumed>) = 0 [pid 4281] setpgid(0, 0 [pid 4279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4281] <... setpgid resumed>) = 0 [pid 4279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 4280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4280] <... openat resumed>) = 3 [pid 4279] <... mkdirat resumed>) = 0 [pid 308] close(4 [pid 309] umount2("./800", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4280] write(3, "1000", 4 [pid 308] rmdir("./809/config" [pid 309] openat(AT_FDCWD, "./800", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4281] <... openat resumed>) = 3 [pid 4279] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4281] write(3, "1000", 4 [pid 4279] <... symlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4280] <... write resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 4280] close(3 [pid 309] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4280] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 4281] <... write resumed>) = 4 [pid 4279] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(3 [pid 4280] symlink("/dev/binderfs", "./binderfs" [pid 308] <... close resumed>) = 0 [pid 4281] close(3 [pid 4279] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rmdir("./809" [pid 309] umount2("./800/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4281] <... close resumed>) = 0 [pid 4279] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4281] symlink("/dev/binderfs", "./binderfs" [pid 4279] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 4280] <... symlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./800/binderfs" [pid 308] mkdir("./810", 0777 [pid 4280] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4281] <... symlink resumed>) = 0 [pid 4279] exit_group(0 [pid 4281] write(1, "executing program\n", 18 [pid 4279] <... exit_group resumed>) = ? [pid 309] unlink("./800/binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 4280] <... write resumed>) = 18 executing program executing program [pid 4281] <... write resumed>) = 18 [pid 4280] mkdirat(AT_FDCWD, "./config", 0777 [pid 4279] +++ exited with 0 +++ [pid 309] <... unlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4281] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4281] <... mkdirat resumed>) = 0 [pid 4280] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4280] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4281] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4281] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4281] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4281] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4280] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4282 [pid 4280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] newfstatat(AT_FDCWD, "./800/config" [pid 4280] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4281] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 4280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./800/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4281] <... symlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4280] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(4 [pid 307] umount2("./783", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4280] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4280] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] openat(AT_FDCWD, "./783", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 4280] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4280] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... openat resumed>) = 3 [pid 309] close(4 [pid 307] fstat(3 [pid 309] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./800/config" [pid 307] getdents64(3 [pid 4281] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = -1 ENOENT (No such file or directory) [pid 4281] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4281] exit_group(0 [pid 4280] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 4281] <... exit_group resumed>) = ? [pid 4280] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./783/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4281] +++ exited with 0 +++ [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./800" [pid 307] newfstatat(AT_FDCWD, "./783/binderfs" [pid 4280] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4282 attached [pid 4282] set_robust_list(0x55556c898760, 24) = 0 [pid 4282] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4280] exit_group(0 [pid 309] mkdir("./801", 0777 [pid 307] unlink("./783/binderfs" [pid 4282] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4282] chdir("./810") = 0 [pid 4282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4282] setpgid(0, 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4280] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4282] <... openat resumed>) = 3 [pid 4280] +++ exited with 0 +++ [pid 4282] write(3, "1000", 4) = 4 [pid 4282] close(3) = 0 [pid 4282] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4283 [pid 307] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4282] write(1, "executing program\n", 18) = 18 [pid 4282] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./783/config" [pid 4282] <... mkdirat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4282] mount(NULL, "./config", "configfs", 0, NULL [pid 307] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4282] <... mount resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4282] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] openat(AT_FDCWD, "./783/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4282] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... openat resumed>) = 4 [pid 4282] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] fstat(4 [pid 4282] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4282] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4282] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] getdents64(4 [pid 4282] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4282] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] getdents64(4 [pid 4282] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4282] exit_group(0 [pid 307] close(4 [pid 4282] <... exit_group resumed>) = ? [pid 307] <... close resumed>) = 0 [pid 4282] +++ exited with 0 +++ [pid 307] rmdir("./783/config"ci2-android-6-1/strace-static-x86_64: Process 4283 attached [pid 4283] set_robust_list(0x55556c898760, 24) = 0 [pid 4283] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rmdir resumed>) = 0 [pid 4283] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 4283] chdir("./801") = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4283] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] close(3 [pid 4283] <... prctl resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4283] setpgid(0, 0 [pid 307] rmdir("./783" [pid 4283] <... setpgid resumed>) = 0 [pid 4283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 4283] write(3, "1000", 4 [pid 307] mkdir("./784", 0777 [pid 4283] <... write resumed>) = 4 [pid 4283] close(3) = 0 [pid 4283] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4283] write(1, "executing program\n", 18) = 18 executing program [pid 4283] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 4283] <... mkdirat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4283] mount(NULL, "./config", "configfs", 0, NULL [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4283] <... mount resumed>) = 0 [pid 4283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4283] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4284 [pid 4283] <... symlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4283] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4283] <... unlinkat resumed>) = 0 [pid 4283] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 ci2-android-6-1/strace-static-x86_64: Process 4284 attached [pid 4283] exit_group(0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4283] <... exit_group resumed>) = ? [pid 4284] set_robust_list(0x55556c898760, 24 [pid 308] umount2("./810", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./810", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4284] <... set_robust_list resumed>) = 0 [pid 4283] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(3 [pid 4284] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4284] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./817", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 306] umount2("./756", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4284] chdir("./784" [pid 310] openat(AT_FDCWD, "./817", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 308] umount2("./810/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 306] openat(AT_FDCWD, "./756", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./810/binderfs" [pid 306] fstat(3 [pid 4284] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./817/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./810/binderfs" [pid 4284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] newfstatat(AT_FDCWD, "./817/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4284] <... prctl resumed>) = 0 [pid 4284] setpgid(0, 0 [pid 308] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./756/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./817/binderfs" [pid 308] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4284] <... setpgid resumed>) = 0 [pid 4284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./756/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 310] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4284] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./756/binderfs" [pid 4284] write(3, "1000", 4 [pid 310] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./810/config" [pid 4284] <... write resumed>) = 4 [pid 4284] close(3) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./817/config" [pid 306] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4284] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4284] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./810/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./817/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4284] write(1, "executing program\n", 18) = 18 executing program [pid 4284] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./756/config" [pid 310] fstat(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 4284] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./756/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4284] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 310] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4284] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./756/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(4 [pid 309] umount2("./801", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 310] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 306] fstat(4 [pid 310] rmdir("./817/config" [pid 309] openat(AT_FDCWD, "./801", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./810/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 4284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 4284] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 308] getdents64(3 [pid 4284] <... symlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4284] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 4284] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] close(3 [pid 4284] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4284] <... unlinkat resumed>) = 0 [pid 310] rmdir("./817" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... close resumed>) = 0 [pid 306] close(4 [pid 4284] exit_group(0) = ? [pid 4284] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./801/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./810" [pid 306] <... close resumed>) = 0 [pid 310] mkdir("./818", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 306] rmdir("./756/config" [pid 309] newfstatat(AT_FDCWD, "./801/binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] mkdir("./811", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./801/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4286 attached ci2-android-6-1/strace-static-x86_64: Process 4285 attached [pid 309] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4285] set_robust_list(0x55556c898760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4285 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4286 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./756" [pid 4285] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4286] set_robust_list(0x55556c898760, 24) = 0 [pid 4286] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4285] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4285] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./801/config" [pid 306] mkdir("./757", 0777 [pid 4286] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./784", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4286] chdir("./811") = 0 [pid 4286] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./784", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4285] chdir("./818" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 4285] <... chdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./801/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4285] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... openat resumed>) = 4 [pid 307] fstat(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4285] <... prctl resumed>) = 0 [pid 309] fstat(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4286] setpgid(0, 0) = 0 [pid 4286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4286] write(3, "1000", 4) = 4 [pid 4286] close(3 [pid 307] getdents64(3 [pid 4285] setpgid(0, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4287 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(4 [pid 307] umount2("./784/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4285] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./784/binderfs" [pid 309] close(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 307] unlink("./784/binderfs" [pid 4286] <... close resumed>) = 0 [pid 309] rmdir("./801/config" [pid 4286] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... unlink resumed>) = 0 [pid 4286] write(1, "executing program\n", 18 [pid 309] <... rmdir resumed>) = 0 [pid 4285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 4286] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 309] close(3 [pid 307] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./801" [pid 307] newfstatat(AT_FDCWD, "./784/config" executing program [pid 4286] mkdirat(AT_FDCWD, "./config", 0777 [pid 4285] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./802", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./784/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4285] write(3, "1000", 4 [pid 307] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(4 [pid 4285] <... write resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4288 [pid 4285] close(3 [pid 307] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4285] <... close resumed>) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4285] symlink("/dev/binderfs", "./binderfs" [pid 307] close(4) = 0 [pid 307] rmdir("./784/config") = 0 [pid 4285] <... symlink resumed>) = 0 [pid 307] getdents64(3 [pid 4286] <... mkdirat resumed>) = 0 [pid 4285] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4286] mount(NULL, "./config", "configfs", 0, NULL [pid 4285] <... write resumed>) = 18 [pid 307] close(3 [pid 4285] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./784") = 0 [pid 4285] <... mkdirat resumed>) = 0 [pid 307] mkdir("./785", 0777) = 0 [pid 4286] <... mount resumed>) = 0 executing program [pid 4285] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4285] <... mount resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4286] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4285] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4285] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4289 [pid 4286] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4288 attached [pid 4288] set_robust_list(0x55556c898760, 24) = 0 [pid 4285] <... mkdirat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4285] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4288] rt_sigprocmask(SIG_SETMASK, [] [pid 4285] <... symlinkat resumed>) = 0 [pid 4286] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4285] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4288] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4285] <... unlinkat resumed>) = 0 [pid 4286] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4285] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4288] chdir("./802") = 0 [pid 4288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4285] <... unlinkat resumed>) = 0 [pid 4288] <... prctl resumed>) = 0 [pid 4288] setpgid(0, 0) = 0 [pid 4286] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4286] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4285] exit_group(0) = ? [pid 4286] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4288] write(3, "1000", 4) = 4 [pid 4288] close(3) = 0 [pid 4288] symlink("/dev/binderfs", "./binderfs" [pid 4285] +++ exited with 0 +++ [pid 4286] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4286] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4288] <... symlink resumed>) = 0 [pid 4286] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 4287 attached [pid 4288] write(1, "executing program\n", 18) = 18 [pid 4288] mkdirat(AT_FDCWD, "./config", 0777 [pid 4286] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4287] set_robust_list(0x55556c898760, 24 [pid 4288] <... mkdirat resumed>) = 0 [pid 4287] <... set_robust_list resumed>) = 0 [pid 4288] mount(NULL, "./config", "configfs", 0, NULL [pid 4287] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4288] <... mount resumed>) = 0 [pid 4287] chdir("./757" [pid 4288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4287] <... chdir resumed>) = 0 [pid 4288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4287] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4287] setpgid(0, 0 [pid 4288] <... mkdirat resumed>) = 0 [pid 4288] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4287] <... setpgid resumed>) = 0 [pid 4288] <... symlinkat resumed>) = 0 [pid 4287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4288] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4288] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4287] <... openat resumed>) = 3 [pid 4288] <... unlinkat resumed>) = 0 [pid 4287] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4288] exit_group(0 [pid 4287] <... write resumed>) = 4 [pid 4288] <... exit_group resumed>) = ? [pid 310] umount2("./818", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4287] close(3 [pid 308] umount2("./811", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./818", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4287] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./811", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 4287] symlink("/dev/binderfs", "./binderfs" [pid 308] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 308] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./818/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./811/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./818/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./818/binderfs" [pid 308] newfstatat(AT_FDCWD, "./811/binderfs" [pid 4287] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4287] write(1, "executing program\n", 18 [pid 310] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./811/binderfs") = 0 [pid 310] <... umount2 resumed>) = 0 [pid 4287] <... write resumed>) = 18 executing program [pid 310] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./818/config" [pid 308] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4287] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./811/config" [pid 310] openat(AT_FDCWD, "./818/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./811/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 4288] +++ exited with 0 +++ [pid 4287] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4289 attached [pid 310] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(4 [pid 4287] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(4 [pid 308] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] rmdir("./818/config" [pid 308] getdents64(4 [pid 310] <... rmdir resumed>) = 0 [pid 4287] <... mount resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 4287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] close(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 308] <... close resumed>) = 0 [pid 4287] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 308] rmdir("./811/config" [pid 4287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./818" [pid 308] <... rmdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 4287] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./819", 0777 [pid 4287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rmdir("./811" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./812", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4290 [pid 308] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4287] <... mkdirat resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4287] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./802", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4291 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./802", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4287] <... symlinkat resumed>) = 0 [pid 4287] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./802/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4287] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4287] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./802/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./802/binderfs") = 0 [pid 309] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4287] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4289] set_robust_list(0x55556c898760, 24 [pid 4287] exit_group(0 [pid 4289] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4287] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./802/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./802/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./802/config" [pid 4287] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 4289] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./802" [pid 4289] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./803", 0777 [pid 4289] chdir("./785" [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4289] <... chdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4290 attached [pid 4290] set_robust_list(0x55556c898760, 24) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4290] chdir("./819") = 0 [pid 4290] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4289] <... prctl resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4292 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4289] setpgid(0, 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4290] <... prctl resumed>) = 0 [pid 4289] <... setpgid resumed>) = 0 [pid 4290] setpgid(0, 0) = 0 [pid 4290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4290] <... openat resumed>) = 3 [pid 4289] <... openat resumed>) = 3 [pid 4289] write(3, "1000", 4ci2-android-6-1/strace-static-x86_64: Process 4292 attached [pid 4290] write(3, "1000", 4) = 4 [pid 4290] close(3) = 0 [pid 4289] <... write resumed>) = 4 [pid 4289] close(3 [pid 4290] symlink("/dev/binderfs", "./binderfs" [pid 4289] <... close resumed>) = 0 [pid 4292] set_robust_list(0x55556c898760, 24) = 0 [pid 4289] symlink("/dev/binderfs", "./binderfs" [pid 4290] <... symlink resumed>) = 0 [pid 4289] <... symlink resumed>) = 0 [pid 4290] write(1, "executing program\n", 18) = 18 executing program [pid 4289] write(1, "executing program\n", 18) = 18 executing program [pid 4290] mkdirat(AT_FDCWD, "./config", 0777 [pid 4289] mkdirat(AT_FDCWD, "./config", 0777) = 0 ci2-android-6-1/strace-static-x86_64: Process 4291 attached [pid 4289] mount(NULL, "./config", "configfs", 0, NULL [pid 4291] set_robust_list(0x55556c898760, 24) = 0 [pid 4289] <... mount resumed>) = 0 [pid 4290] <... mkdirat resumed>) = 0 [pid 4291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4291] chdir("./812" [pid 4290] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4291] <... chdir resumed>) = 0 [pid 4291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4291] setpgid(0, 0) = 0 [pid 4290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4290] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4292] rt_sigprocmask(SIG_SETMASK, [] [pid 4289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4292] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4291] <... openat resumed>) = 3 [pid 4289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4291] write(3, "1000", 4) = 4 [pid 4289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4292] chdir("./803" [pid 4291] close(3 [pid 4290] <... mkdirat resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4291] <... close resumed>) = 0 [pid 4290] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./757", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4291] symlink("/dev/binderfs", "./binderfs" [pid 4290] <... symlinkat resumed>) = 0 [pid 4289] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4291] <... symlink resumed>) = 0 [pid 4290] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4289] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 306] openat(AT_FDCWD, "./757", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4292] <... chdir resumed>) = 0 [pid 4289] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... openat resumed>) = 3 executing program [pid 4291] write(1, "executing program\n", 18 [pid 4290] <... unlinkat resumed>) = 0 [pid 4289] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] fstat(3 [pid 4289] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4291] <... write resumed>) = 18 [pid 4290] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4291] mkdirat(AT_FDCWD, "./config", 0777 [pid 4290] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4289] <... unlinkat resumed>) = 0 [pid 306] getdents64(3 [pid 4291] <... mkdirat resumed>) = 0 [pid 4290] exit_group(0 [pid 4289] exit_group(0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4289] <... exit_group resumed>) = ? [pid 306] umount2("./757/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4291] mount(NULL, "./config", "configfs", 0, NULL [pid 4290] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4291] <... mount resumed>) = 0 [pid 4290] +++ exited with 0 +++ [pid 4289] +++ exited with 0 +++ [pid 306] newfstatat(AT_FDCWD, "./757/binderfs" [pid 4291] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] unlink("./757/binderfs" [pid 4291] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4291] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... unlink resumed>) = 0 [pid 4291] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4291] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4291] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4291] <... symlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4291] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] newfstatat(AT_FDCWD, "./757/config" [pid 4291] <... unlinkat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4291] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./757/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4291] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4291] exit_group(0 [pid 306] openat(AT_FDCWD, "./757/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4291] <... exit_group resumed>) = ? [pid 4291] +++ exited with 0 +++ [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 4292] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 4292] setpgid(0, 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./757/config" [pid 4292] <... setpgid resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 4292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./757" [pid 4292] <... openat resumed>) = 3 [pid 4292] write(3, "1000", 4) = 4 [pid 4292] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./758", 0777 [pid 4292] <... close resumed>) = 0 [pid 4292] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4292] write(1, "executing program\n", 18) = 18 executing program [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4292] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4292] <... mkdirat resumed>) = 0 [pid 4292] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4293 [pid 4292] <... mount resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4292] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4292] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4292] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4292] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4292] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4292] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4292] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4292] exit_group(0) = ? [pid 4292] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 4293 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4293] set_robust_list(0x55556c898760, 24 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4293] <... set_robust_list resumed>) = 0 [pid 4293] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4293] chdir("./758") = 0 [pid 4293] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4293] setpgid(0, 0) = 0 [pid 4293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4293] write(3, "1000", 4) = 4 [pid 4293] close(3) = 0 [pid 4293] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4293] write(1, "executing program\n", 18) = 18 executing program [pid 4293] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] umount2("./819", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 307] umount2("./785", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./803", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./819", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./812", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./803", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./785", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 309] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./812", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./819/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 308] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./819/binderfs" [pid 309] umount2("./803/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./812/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./785/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./819/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./803/binderfs" [pid 308] newfstatat(AT_FDCWD, "./812/binderfs" [pid 4293] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./785/binderfs" [pid 310] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4293] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./803/binderfs" [pid 308] unlink("./812/binderfs" [pid 4293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 309] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 308] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./785/binderfs" [pid 310] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./819/config" [pid 309] newfstatat(AT_FDCWD, "./803/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./812/config" [pid 307] <... umount2 resumed>) = 0 [pid 310] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./819/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./803/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./812/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 309] <... openat resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./785/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(4 [pid 308] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4293] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 308] getdents64(4 [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] close(4 [pid 307] openat(AT_FDCWD, "./785/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 308] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] rmdir("./819/config" [pid 309] rmdir("./803/config" [pid 308] close(4 [pid 307] fstat(4 [pid 4293] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4293] <... symlinkat resumed>) = 0 [pid 4293] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 308] rmdir("./812/config" [pid 309] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 309] close(3 [pid 307] getdents64(4 [pid 310] close(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 4293] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... close resumed>) = 0 [pid 309] rmdir("./803" [pid 308] close(3 [pid 310] rmdir("./819" [pid 307] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4293] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] rmdir("./812" [pid 307] close(4 [pid 310] mkdir("./820", 0777 [pid 309] mkdir("./804", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4293] exit_group(0) = ? [pid 4293] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] mkdir("./813", 0777 [pid 307] rmdir("./785/config" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(3) = 0 [pid 307] rmdir("./785" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./786", 0777ci2-android-6-1/strace-static-x86_64: Process 4294 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4294 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4295 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4295 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4295] set_robust_list(0x55556c898760, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4295] <... set_robust_list resumed>) = 0 [pid 4294] set_robust_list(0x55556c898760, 24 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4296 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4297 [pid 4294] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4295] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4295] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4294] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4295] chdir("./804") = 0 [pid 4294] chdir("./820" [pid 4295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4294] <... chdir resumed>) = 0 [pid 4295] <... prctl resumed>) = 0 [pid 4294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4295] setpgid(0, 0 [pid 4294] <... prctl resumed>) = 0 [pid 4295] <... setpgid resumed>) = 0 [pid 4294] setpgid(0, 0) = 0 [pid 4295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4295] <... openat resumed>) = 3 [pid 4295] write(3, "1000", 4 [pid 4294] <... openat resumed>) = 3 [pid 4295] <... write resumed>) = 4 [pid 4295] close(3 [pid 4294] write(3, "1000", 4 [pid 4295] <... close resumed>) = 0 [pid 4294] <... write resumed>) = 4 [pid 4295] symlink("/dev/binderfs", "./binderfs" [pid 4294] close(3) = 0 ci2-android-6-1/strace-static-x86_64: Process 4296 attached [pid 4295] <... symlink resumed>) = 0 [pid 4294] symlink("/dev/binderfs", "./binderfs" [pid 4296] set_robust_list(0x55556c898760, 24 [pid 4294] <... symlink resumed>) = 0 [pid 4296] <... set_robust_list resumed>) = 0 [pid 4295] write(1, "executing program\n", 18 executing program executing program [pid 4294] write(1, "executing program\n", 18 [pid 4296] rt_sigprocmask(SIG_SETMASK, [] [pid 4295] <... write resumed>) = 18 [pid 4294] <... write resumed>) = 18 [pid 4294] mkdirat(AT_FDCWD, "./config", 0777 [pid 4295] mkdirat(AT_FDCWD, "./config", 0777 [pid 4296] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4296] chdir("./813" [pid 306] <... restart_syscall resumed>) = 0 [pid 4296] <... chdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4297 attached [pid 4297] set_robust_list(0x55556c898760, 24 [pid 4296] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] umount2("./758", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4296] setpgid(0, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4296] <... setpgid resumed>) = 0 [pid 306] openat(AT_FDCWD, "./758", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] fstat(3 [pid 4296] <... openat resumed>) = 3 [pid 4295] <... mkdirat resumed>) = 0 [pid 4294] <... mkdirat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4296] write(3, "1000", 4 [pid 4295] mount(NULL, "./config", "configfs", 0, NULL [pid 4294] mount(NULL, "./config", "configfs", 0, NULL [pid 306] getdents64(3 [pid 4296] <... write resumed>) = 4 [pid 4296] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4295] <... mount resumed>) = 0 [pid 4294] <... mount resumed>) = 0 [pid 4296] <... close resumed>) = 0 [pid 4295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./758/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4296] symlink("/dev/binderfs", "./binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4297] <... set_robust_list resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./758/binderfs" [pid 4297] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4296] <... symlink resumed>) = 0 [pid 4295] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] unlink("./758/binderfs" [pid 4294] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4296] write(1, "executing program\n", 18 [pid 4295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... unlink resumed>) = 0 [pid 4295] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4294] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = 0 [pid 4294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4296] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4297] chdir("./786" [pid 4296] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] newfstatat(AT_FDCWD, "./758/config" [pid 4297] <... chdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 306] umount2("./758/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4296] <... mkdirat resumed>) = 0 [pid 4297] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4295] <... mkdirat resumed>) = 0 [pid 4297] <... prctl resumed>) = 0 [pid 4294] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] openat(AT_FDCWD, "./758/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4296] mount(NULL, "./config", "configfs", 0, NULL [pid 4295] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4294] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... openat resumed>) = 4 [pid 4296] <... mount resumed>) = 0 [pid 306] fstat(4 [pid 4297] setpgid(0, 0 [pid 4296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4295] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4294] <... symlinkat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4296] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4295] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4294] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] getdents64(4 [pid 4295] <... unlinkat resumed>) = 0 [pid 4297] <... setpgid resumed>) = 0 [pid 4296] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4295] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4294] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4294] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] getdents64(4 [pid 4297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4295] <... unlinkat resumed>) = 0 [pid 4294] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4296] <... mkdirat resumed>) = 0 [pid 306] close(4 [pid 4297] <... openat resumed>) = 3 [pid 4296] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4295] exit_group(0 [pid 4294] exit_group(0 [pid 306] <... close resumed>) = 0 [pid 4295] <... exit_group resumed>) = ? [pid 4294] <... exit_group resumed>) = ? [pid 306] rmdir("./758/config" [pid 4296] <... symlinkat resumed>) = 0 [pid 4297] write(3, "1000", 4) = 4 [pid 4297] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 4297] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 4297] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 4297] <... symlink resumed>) = 0 [pid 4294] +++ exited with 0 +++ [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./758" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4297] write(1, "executing program\n", 18) = 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4297] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] mkdir("./759", 0777 [pid 4297] <... mkdirat resumed>) = 0 [pid 4296] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4295] +++ exited with 0 +++ [pid 4297] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4296] <... unlinkat resumed>) = 0 [pid 310] umount2("./820", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... mkdir resumed>) = 0 [pid 4297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4296] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./820", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4297] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4296] <... unlinkat resumed>) = 0 [pid 310] fstat(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4296] exit_group(0 [pid 310] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4298 attached [pid 4296] <... exit_group resumed>) = ? [pid 4297] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4298 [pid 310] umount2("./820/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4297] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./820/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4297] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4296] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4298] set_robust_list(0x55556c898760, 24 [pid 310] unlink("./820/binderfs" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4298] <... set_robust_list resumed>) = 0 [pid 4298] rt_sigprocmask(SIG_SETMASK, [] [pid 4297] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4298] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4297] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4298] chdir("./759" [pid 4297] <... unlinkat resumed>) = 0 [pid 310] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4298] <... chdir resumed>) = 0 [pid 4297] exit_group(0 [pid 4298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4297] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = 0 [pid 4298] <... prctl resumed>) = 0 [pid 4297] +++ exited with 0 +++ [pid 310] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4298] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4298] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./820/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4298] <... openat resumed>) = 3 [pid 4298] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./820/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4298] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 4298] close(3 [pid 310] fstat(4 [pid 4298] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4298] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 4298] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4298] write(1, "executing program\n", 18 [pid 310] close(4 [pid 4298] <... write resumed>) = 18 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./820/config" executing program [pid 4298] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4298] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4298] <... mount resumed>) = 0 [pid 310] close(3 [pid 4298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 4298] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./820" [pid 4298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 4298] <... mkdirat resumed>) = 0 [pid 310] mkdir("./821", 0777 [pid 4298] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4298] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... mkdir resumed>) = 0 [pid 4298] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4298] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4298] <... unlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4298] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 4299 attached [pid 4298] +++ exited with 0 +++ [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4299 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4299] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4299] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4299] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4299] chdir("./821") = 0 [pid 4299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... restart_syscall resumed>) = 0 [pid 4299] <... prctl resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4299] setpgid(0, 0 [pid 307] umount2("./786", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4299] <... setpgid resumed>) = 0 [pid 309] umount2("./804", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./786", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./813", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./804", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 4299] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./813", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4299] write(3, "1000", 4 [pid 309] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 4299] <... write resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... restart_syscall resumed>) = 0 [pid 4299] close(3 [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./786/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4299] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4299] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./804/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] newfstatat(AT_FDCWD, "./786/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./813/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4299] <... symlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./804/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./786/binderfs" [pid 4299] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./813/binderfs" [pid 307] <... unlink resumed>) = 0 executing program [pid 306] umount2("./759", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4299] <... write resumed>) = 18 [pid 309] unlink("./804/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 308] unlink("./813/binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./786/config" [pid 309] <... umount2 resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./759", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4299] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 309] newfstatat(AT_FDCWD, "./804/config" [pid 308] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./786/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(3 [pid 4299] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 4299] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./813/config" [pid 307] fstat(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4299] <... mount resumed>) = 0 [pid 309] openat(AT_FDCWD, "./804/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 306] getdents64(3 [pid 4299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4299] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(4 [pid 308] openat(AT_FDCWD, "./813/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4299] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 308] fstat(4 [pid 307] close(4 [pid 306] umount2("./759/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 307] rmdir("./786/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4299] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rmdir resumed>) = 0 [pid 4299] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] close(4 [pid 308] getdents64(4 [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./759/binderfs" [pid 4299] <... symlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./804/config" [pid 308] close(4 [pid 4299] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./786" [pid 4299] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] unlink("./759/binderfs" [pid 4299] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 308] rmdir("./813/config" [pid 307] mkdir("./787", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4299] <... unlinkat resumed>) = 0 [pid 309] close(3 [pid 308] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4299] exit_group(0 [pid 309] rmdir("./804" [pid 308] close(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4300 attached [pid 4299] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] mkdir("./805", 0777 [pid 308] rmdir("./813" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4300 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4300] set_robust_list(0x55556c898760, 24) = 0 [pid 4300] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] mkdir("./814", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4300] chdir("./787" [pid 308] <... mkdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./759/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4300] <... chdir resumed>) = 0 [pid 4300] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] umount2("./759/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4300] setpgid(0, 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4301 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4300] <... setpgid resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./759/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4302 [pid 306] <... openat resumed>) = 4 [pid 4299] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4301 attached , NULL, 8) = 0 [pid 306] fstat(4ci2-android-6-1/strace-static-x86_64: Process 4302 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4302] set_robust_list(0x55556c898760, 24 [pid 4301] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4302] <... set_robust_list resumed>) = 0 [pid 4301] <... set_robust_list resumed>) = 0 [pid 306] getdents64(4 [pid 4301] rt_sigprocmask(SIG_SETMASK, [] [pid 4300] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4302] rt_sigprocmask(SIG_SETMASK, [] [pid 4301] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 4302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4301] chdir("./805" [pid 306] close(4 [pid 4302] chdir("./814" [pid 306] <... close resumed>) = 0 [pid 4301] <... chdir resumed>) = 0 [pid 306] rmdir("./759/config" [pid 4302] <... chdir resumed>) = 0 [pid 4301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4300] write(3, "1000", 4 [pid 4302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4301] <... prctl resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4301] setpgid(0, 0 [pid 4300] <... write resumed>) = 4 [pid 306] getdents64(3 [pid 4302] <... prctl resumed>) = 0 [pid 4302] setpgid(0, 0 [pid 4301] <... setpgid resumed>) = 0 [pid 4300] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4302] <... setpgid resumed>) = 0 [pid 4301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4300] <... close resumed>) = 0 [pid 306] close(3 [pid 4302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... close resumed>) = 0 [pid 4300] symlink("/dev/binderfs", "./binderfs" [pid 306] rmdir("./759" [pid 4301] <... openat resumed>) = 3 [pid 4301] write(3, "1000", 4 [pid 4300] <... symlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4302] <... openat resumed>) = 3 [pid 4301] <... write resumed>) = 4 [pid 4302] write(3, "1000", 4 [pid 306] mkdir("./760", 0777 [pid 4302] <... write resumed>) = 4 [pid 4301] close(3 [pid 4300] write(1, "executing program\n", 18 [pid 4302] close(3 [pid 4301] <... close resumed>) = 0 [pid 4300] <... write resumed>) = 18 [pid 306] <... mkdir resumed>) = 0 [pid 4302] <... close resumed>) = 0 [pid 4301] symlink("/dev/binderfs", "./binderfs" [pid 4302] symlink("/dev/binderfs", "./binderfs" executing program [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4301] <... symlink resumed>) = 0 [pid 4300] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4302] <... symlink resumed>) = 0 [pid 4301] write(1, "executing program\n", 18 [pid 4300] <... mkdirat resumed>) = 0 executing program [pid 4302] write(1, "executing program\n", 18 [pid 4301] <... write resumed>) = 18 [pid 4300] mount(NULL, "./config", "configfs", 0, NULL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4302] <... write resumed>) = 18 [pid 4301] mkdirat(AT_FDCWD, "./config", 0777 [pid 4300] <... mount resumed>) = 0 executing program [pid 4300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 4303 attached [pid 4302] mkdirat(AT_FDCWD, "./config", 0777 [pid 4301] <... mkdirat resumed>) = 0 [pid 4300] <... mkdirat resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4303 [pid 4300] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4303] set_robust_list(0x55556c898760, 24 [pid 4302] <... mkdirat resumed>) = 0 [pid 4301] mount(NULL, "./config", "configfs", 0, NULL [pid 4300] <... symlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4303] <... set_robust_list resumed>) = 0 [pid 4302] mount(NULL, "./config", "configfs", 0, NULL [pid 4301] <... mount resumed>) = 0 [pid 4300] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4303] rt_sigprocmask(SIG_SETMASK, [] [pid 4302] <... mount resumed>) = 0 [pid 4301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4300] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4303] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4301] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4300] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4303] chdir("./760" [pid 4302] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4300] <... unlinkat resumed>) = 0 [pid 4303] <... chdir resumed>) = 0 [pid 4302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4301] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4300] exit_group(0 [pid 4303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4302] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4300] <... exit_group resumed>) = ? [pid 4303] <... prctl resumed>) = 0 [pid 4302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4301] <... mkdirat resumed>) = 0 [pid 4300] +++ exited with 0 +++ [pid 310] umount2("./821", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4303] setpgid(0, 0 [pid 4302] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4301] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4303] <... setpgid resumed>) = 0 [pid 4302] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./821", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4302] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4301] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 4303] <... openat resumed>) = 3 [pid 4302] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4301] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(3 [pid 307] umount2("./787", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4303] write(3, "1000", 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4303] <... write resumed>) = 4 [pid 4302] <... unlinkat resumed>) = 0 [pid 4301] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] getdents64(3 [pid 307] openat(AT_FDCWD, "./787", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4303] close(3 [pid 4302] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4301] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... openat resumed>) = 3 [pid 310] umount2("./821/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 4301] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4302] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4303] <... close resumed>) = 0 [pid 4301] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./821/binderfs" [pid 307] getdents64(3 [pid 4303] symlink("/dev/binderfs", "./binderfs" [pid 4302] exit_group(0 [pid 4301] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4302] <... exit_group resumed>) = ? [pid 310] unlink("./821/binderfs" [pid 307] umount2("./787/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./787/binderfs" [pid 310] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./787/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4301] +++ exited with 0 +++ [pid 310] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4302] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = 0 [pid 4303] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./821/config" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4303] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4303] <... write resumed>) = 18 [pid 310] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./787/config" [pid 4303] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./821/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4303] <... mkdirat resumed>) = 0 [pid 310] fstat(4 [pid 307] openat(AT_FDCWD, "./787/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4303] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4303] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 4303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4303] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 4303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4303] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 307] close(4 [pid 4303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rmdir("./821/config" [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./787/config" [pid 310] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4303] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 307] getdents64(3 [pid 4303] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 307] close(3 [pid 4303] <... symlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4303] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rmdir("./821" [pid 307] rmdir("./787" [pid 4303] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4303] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] mkdir("./822", 0777 [pid 307] mkdir("./788", 0777 [pid 4303] <... unlinkat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4303] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4303] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4304 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4305 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4305 attached ci2-android-6-1/strace-static-x86_64: Process 4304 attached [pid 4303] +++ exited with 0 +++ [pid 4305] set_robust_list(0x55556c898760, 24 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4305] <... set_robust_list resumed>) = 0 [pid 4304] set_robust_list(0x55556c898760, 24 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4305] rt_sigprocmask(SIG_SETMASK, [] [pid 4304] <... set_robust_list resumed>) = 0 [pid 4305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4304] rt_sigprocmask(SIG_SETMASK, [] [pid 4305] chdir("./788" [pid 4304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4305] <... chdir resumed>) = 0 [pid 4304] chdir("./822" [pid 4305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4304] <... chdir resumed>) = 0 [pid 4305] <... prctl resumed>) = 0 [pid 4304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4305] setpgid(0, 0 [pid 4304] <... prctl resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4305] <... setpgid resumed>) = 0 [pid 4304] setpgid(0, 0 [pid 4305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4304] <... setpgid resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] umount2("./805", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4305] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./805", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./814", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4305] write(3, "1000", 4 [pid 4304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4305] <... write resumed>) = 4 [pid 309] fstat(3 [pid 308] openat(AT_FDCWD, "./814", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4305] close(3 [pid 4304] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 4305] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] fstat(3 [pid 4305] symlink("/dev/binderfs", "./binderfs" [pid 4304] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4305] <... symlink resumed>) = 0 [pid 4304] <... write resumed>) = 4 [pid 309] umount2("./805/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4305] write(1, "executing program\n", 18 [pid 4304] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 4305] <... write resumed>) = 18 [pid 4304] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./805/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 4305] mkdirat(AT_FDCWD, "./config", 0777 [pid 4304] symlink("/dev/binderfs", "./binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./814/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./805/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./814/binderfs" [pid 309] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4305] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] unlink("./814/binderfs" [pid 4305] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4304] <... symlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4304] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 308] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4305] <... mount resumed>) = 0 [pid 4304] <... write resumed>) = 18 [pid 309] newfstatat(AT_FDCWD, "./805/config" [pid 308] <... umount2 resumed>) = 0 [pid 4305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4304] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4305] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4304] <... mkdirat resumed>) = 0 [pid 309] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./760", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./814/config" [pid 4305] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./805/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./760", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(4 [pid 308] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 4305] <... mkdirat resumed>) = 0 [pid 4304] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./814/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4305] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4304] <... mount resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... openat resumed>) = 4 [pid 4305] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 4305] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(4 [pid 308] fstat(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./760/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4305] <... unlinkat resumed>) = 0 [pid 4304] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./805/config" [pid 308] getdents64(4 [pid 4305] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4304] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./760/binderfs" [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4305] <... unlinkat resumed>) = 0 [pid 4304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 308] <... close resumed>) = 0 [pid 306] unlink("./760/binderfs" [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./814/config" [pid 4304] <... mkdirat resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4305] exit_group(0 [pid 4304] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rmdir("./805" [pid 308] <... rmdir resumed>) = 0 [pid 4305] <... exit_group resumed>) = ? [pid 4304] <... symlinkat resumed>) = 0 [pid 306] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4304] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] getdents64(3 [pid 4304] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4304] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] mkdir("./806", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4304] <... unlinkat resumed>) = 0 [pid 4304] exit_group(0) = ? [pid 309] <... mkdir resumed>) = 0 [pid 4305] +++ exited with 0 +++ [pid 4304] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rmdir("./814" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./760/config" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4306 attached [pid 308] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4306] set_robust_list(0x55556c898760, 24 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4306 [pid 308] mkdir("./815", 0777 [pid 4306] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./760/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4306] chdir("./806" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4307 attached [pid 4306] <... chdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./760/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4307] set_robust_list(0x55556c898760, 24 [pid 4306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4307 [pid 4307] <... set_robust_list resumed>) = 0 [pid 4306] <... prctl resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4307] rt_sigprocmask(SIG_SETMASK, [] [pid 4306] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4306] <... setpgid resumed>) = 0 [pid 306] fstat(4 [pid 4307] chdir("./815" [pid 4306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./822", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./788", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4307] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4307] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4306] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./822", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./788", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4307] <... prctl resumed>) = 0 [pid 4306] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 4307] setpgid(0, 0 [pid 4306] <... write resumed>) = 4 [pid 310] fstat(3 [pid 307] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4306] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4307] <... setpgid resumed>) = 0 [pid 310] getdents64(3 [pid 307] getdents64(3 [pid 306] getdents64(4 [pid 4307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4306] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4307] <... openat resumed>) = 3 [pid 4306] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./822/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./788/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4307] write(3, "1000", 4 [pid 4306] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4307] <... write resumed>) = 4 [pid 4306] write(1, "executing program\n", 18 [pid 310] newfstatat(AT_FDCWD, "./822/binderfs" [pid 307] newfstatat(AT_FDCWD, "./788/binderfs" [pid 306] close(4 [pid 4307] close(3 [pid 4306] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 4307] <... close resumed>) = 0 [pid 4306] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] unlink("./822/binderfs" [pid 307] unlink("./788/binderfs" [pid 306] <... close resumed>) = 0 [pid 4307] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] rmdir("./760/config" [pid 4306] <... mkdirat resumed>) = 0 [pid 310] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4306] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = 0 [pid 307] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4306] <... mount resumed>) = 0 [pid 310] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 4307] <... symlink resumed>) = 0 [pid 4306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./788/config" [pid 4307] write(1, "executing program\n", 18 [pid 4306] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./822/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4307] <... write resumed>) = 18 [pid 4306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4307] mkdirat(AT_FDCWD, "./config", 0777 [pid 4306] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 4306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./788/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./822/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 4306] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 306] rmdir("./760" [pid 310] fstat(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4307] <... mkdirat resumed>) = 0 [pid 4306] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 4307] mount(NULL, "./config", "configfs", 0, NULL [pid 4306] <... symlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4306] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] close(4 [pid 306] mkdir("./761", 0777 [pid 4307] <... mount resumed>) = 0 [pid 4306] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./788/config" [pid 4307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4306] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4307] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4306] <... unlinkat resumed>) = 0 [pid 310] close(4 [pid 307] getdents64(3 [pid 4307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4306] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4307] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4306] <... exit_group resumed>) = ? [pid 310] rmdir("./822/config" [pid 307] close(3) = 0 [pid 307] rmdir("./788" [pid 310] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(3 [pid 307] mkdir("./789", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4306] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4308 attached [pid 4307] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4309 attached [pid 4308] set_robust_list(0x55556c898760, 24 [pid 4307] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rmdir("./822" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4309 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4308 [pid 4308] <... set_robust_list resumed>) = 0 [pid 4307] <... symlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4307] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4308] rt_sigprocmask(SIG_SETMASK, [] [pid 4307] <... unlinkat resumed>) = 0 [pid 310] mkdir("./823", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4309] set_robust_list(0x55556c898760, 24) = 0 [pid 4309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4307] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... mkdir resumed>) = 0 [pid 4309] chdir("./789" [pid 4308] chdir("./761" [pid 4307] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4309] <... chdir resumed>) = 0 [pid 4308] <... chdir resumed>) = 0 [pid 4307] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4309] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4307] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4309] <... prctl resumed>) = 0 [pid 4309] setpgid(0, 0) = 0 [pid 4309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4307] +++ exited with 0 +++ [pid 4309] <... openat resumed>) = 3 [pid 4309] write(3, "1000", 4 [pid 4308] <... prctl resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4310 attached [pid 4309] <... write resumed>) = 4 [pid 4308] setpgid(0, 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4310 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4310] set_robust_list(0x55556c898760, 24 [pid 4309] close(3 [pid 4308] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4310] <... set_robust_list resumed>) = 0 [pid 4310] rt_sigprocmask(SIG_SETMASK, [] [pid 4309] <... close resumed>) = 0 [pid 4308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4309] symlink("/dev/binderfs", "./binderfs" [pid 4308] <... openat resumed>) = 3 [pid 4308] write(3, "1000", 4 [pid 4310] chdir("./823" [pid 4309] <... symlink resumed>) = 0 [pid 4308] <... write resumed>) = 4 [pid 4310] <... chdir resumed>) = 0 [pid 4309] write(1, "executing program\n", 18 [pid 4308] close(3 [pid 4310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4308] <... close resumed>) = 0 [pid 4310] <... prctl resumed>) = 0 [pid 4308] symlink("/dev/binderfs", "./binderfs" [pid 4310] setpgid(0, 0) = 0 [pid 4309] <... write resumed>) = 18 [pid 4308] <... symlink resumed>) = 0 [pid 4310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4309] mkdirat(AT_FDCWD, "./config", 0777 executing program executing program [pid 4308] write(1, "executing program\n", 18 [pid 4310] <... openat resumed>) = 3 [pid 4309] <... mkdirat resumed>) = 0 [pid 4308] <... write resumed>) = 18 [pid 4310] write(3, "1000", 4 [pid 4309] mount(NULL, "./config", "configfs", 0, NULL [pid 4308] mkdirat(AT_FDCWD, "./config", 0777 [pid 4310] <... write resumed>) = 4 [pid 4309] <... mount resumed>) = 0 [pid 4310] close(3 [pid 4309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4308] <... mkdirat resumed>) = 0 [pid 4310] <... close resumed>) = 0 [pid 4309] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4308] mount(NULL, "./config", "configfs", 0, NULL [pid 4310] symlink("/dev/binderfs", "./binderfs" [pid 4309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4308] <... mount resumed>) = 0 [pid 4310] <... symlink resumed>) = 0 [pid 4309] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4310] write(1, "executing program\n", 18 [pid 4308] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4310] <... write resumed>) = 18 executing program [pid 4308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4310] mkdirat(AT_FDCWD, "./config", 0777 [pid 4309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4308] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4309] <... mkdirat resumed>) = 0 [pid 4308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4309] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4308] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4310] <... mkdirat resumed>) = 0 [pid 4309] <... symlinkat resumed>) = 0 [pid 4308] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4310] mount(NULL, "./config", "configfs", 0, NULL [pid 4309] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4308] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4310] <... mount resumed>) = 0 [pid 4308] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4309] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4308] <... unlinkat resumed>) = 0 [pid 4310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4308] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... restart_syscall resumed>) = 0 [pid 4309] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4308] <... unlinkat resumed>) = 0 [pid 4310] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4309] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4308] exit_group(0 [pid 4309] exit_group(0 [pid 4308] <... exit_group resumed>) = ? [pid 309] umount2("./806", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4309] <... exit_group resumed>) = ? [pid 4310] <... mkdirat resumed>) = 0 [pid 4309] +++ exited with 0 +++ [pid 4308] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 4310] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] openat(AT_FDCWD, "./806", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4310] <... symlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4310] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] fstat(3 [pid 308] umount2("./815", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4310] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4310] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 308] openat(AT_FDCWD, "./815", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... openat resumed>) = 3 [pid 309] umount2("./806/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./789", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./806/binderfs" [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 4310] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] openat(AT_FDCWD, "./789", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4310] exit_group(0 [pid 309] unlink("./806/binderfs" [pid 308] umount2("./815/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 4310] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 4310] +++ exited with 0 +++ [pid 309] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./815/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = 0 [pid 308] unlink("./815/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./761", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 307] umount2("./789/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./806/config" [pid 308] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./789/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./761", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./789/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./815/config" [pid 307] <... unlink resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./806/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 310] umount2("./823", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 308] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./823", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./815/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 308] <... openat resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./789/config" [pid 310] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./761/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] openat(AT_FDCWD, "./789/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] close(4 [pid 308] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 310] umount2("./823/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./761/binderfs" [pid 308] close(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./806/config" [pid 308] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./823/binderfs" [pid 308] rmdir("./815/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 306] unlink("./761/binderfs" [pid 310] unlink("./823/binderfs" [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 306] <... unlink resumed>) = 0 [pid 308] close(3 [pid 310] <... unlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 307] rmdir("./789/config" [pid 306] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 309] close(3 [pid 308] rmdir("./815" [pid 307] <... rmdir resumed>) = 0 [pid 310] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./806" [pid 308] mkdir("./816", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./823/config" [pid 309] <... rmdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 306] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./807", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 310] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./789" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./761/config" [pid 310] openat(AT_FDCWD, "./823/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] mkdir("./790", 0777ci2-android-6-1/strace-static-x86_64: Process 4311 attached [pid 310] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4311 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./761/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4311] set_robust_list(0x55556c898760, 24 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4313 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4312 attached [pid 4312] set_robust_list(0x55556c898760, 24) = 0 [pid 4312] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4312] chdir("./807") = 0 [pid 4312] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4312] setpgid(0, 0) = 0 [pid 4312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4312 [pid 306] openat(AT_FDCWD, "./761/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4312] write(3, "1000", 4) = 4 [pid 4312] close(3) = 0 [pid 4312] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4311] <... set_robust_list resumed>) = 0 [pid 310] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 4312] write(1, "executing program\n", 18) = 18 [pid 4312] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(4 [pid 4312] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] close(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4312] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 4312] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4312] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4312] exit_group(0 [pid 310] rmdir("./823/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4312] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 306] close(4 [pid 4312] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 310] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./761/config" [pid 310] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4313 attached [pid 4313] set_robust_list(0x55556c898760, 24) = 0 [pid 4313] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./823" [pid 306] <... rmdir resumed>) = 0 [pid 4313] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4313] chdir("./790") = 0 [pid 4313] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 4313] <... prctl resumed>) = 0 [pid 310] mkdir("./824", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4313] setpgid(0, 0) = 0 [pid 4313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 306] close(3 [pid 4313] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... close resumed>) = 0 [pid 4313] <... write resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rmdir("./761" [pid 4313] close(3) = 0 [pid 4313] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rmdir resumed>) = 0 [pid 4313] write(1, "executing program\n", 18) = 18 [pid 4313] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 306] mkdir("./762", 0777 [pid 4313] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4314 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4313] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4313] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4313] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4315 [pid 4313] exit_group(0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4313] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4315 attached [pid 4313] +++ exited with 0 +++ [pid 4311] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4314 attached [pid 4314] set_robust_list(0x55556c898760, 24) = 0 [pid 4314] rt_sigprocmask(SIG_SETMASK, [] [pid 4311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4314] chdir("./824") = 0 [pid 4314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4314] setpgid(0, 0) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4311] chdir("./816" [pid 4314] <... openat resumed>) = 3 [pid 4311] <... chdir resumed>) = 0 [pid 4315] set_robust_list(0x55556c898760, 24 [pid 4314] write(3, "1000", 4) = 4 [pid 4314] close(3) = 0 [pid 4314] symlink("/dev/binderfs", "./binderfs" [pid 4315] <... set_robust_list resumed>) = 0 [pid 4311] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4314] <... symlink resumed>) = 0 [pid 4311] setpgid(0, 0 [pid 4314] write(1, "executing program\n", 18) = 18 [pid 4314] mkdirat(AT_FDCWD, "./config", 0777 [pid 4311] <... setpgid resumed>) = 0 executing program [pid 307] <... restart_syscall resumed>) = 0 [pid 4311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4314] <... mkdirat resumed>) = 0 [pid 4311] <... openat resumed>) = 3 [pid 307] umount2("./790", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4314] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4311] write(3, "1000", 4 [pid 307] openat(AT_FDCWD, "./790", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4311] <... write resumed>) = 4 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4311] close(3 [pid 307] getdents64(3 [pid 4311] <... close resumed>) = 0 [pid 4314] <... mount resumed>) = 0 [pid 4314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4311] symlink("/dev/binderfs", "./binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] umount2("./790/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4311] <... symlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./790/binderfs" [pid 4311] write(1, "executing program\n", 18 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./790/binderfs" [pid 4311] <... write resumed>) = 18 [pid 4314] <... mkdirat resumed>) = 0 [pid 4314] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... unlink resumed>) = 0 [pid 4311] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4314] <... symlinkat resumed>) = 0 [pid 4314] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4314] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4311] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4311] mount(NULL, "./config", "configfs", 0, NULL [pid 307] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4314] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4314] exit_group(0 [pid 4311] <... mount resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./790/config" [pid 4314] <... exit_group resumed>) = ? [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4315] rt_sigprocmask(SIG_SETMASK, [] [pid 4314] +++ exited with 0 +++ [pid 4311] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] openat(AT_FDCWD, "./790/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4315] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... openat resumed>) = 4 [pid 4315] chdir("./762" [pid 309] umount2("./807", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 4311] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./807", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 4315] <... chdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 4315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] fstat(3 [pid 4315] <... prctl resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 4315] setpgid(0, 0 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4315] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4311] <... mkdirat resumed>) = 0 [pid 307] close(4 [pid 309] umount2("./807/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4311] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4311] <... symlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./807/binderfs" [pid 307] rmdir("./790/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4315] <... openat resumed>) = 3 [pid 4315] write(3, "1000", 4) = 4 [pid 4315] close(3) = 0 [pid 4315] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4315] write(1, "executing program\n", 18) = 18 executing program [pid 4315] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4311] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] unlink("./807/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 4315] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 309] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4311] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4311] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] close(3 [pid 309] <... umount2 resumed>) = 0 [pid 4315] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./790" [pid 309] newfstatat(AT_FDCWD, "./807/config" [pid 4315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4315] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4311] <... unlinkat resumed>) = 0 [pid 309] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./791", 0777 [pid 309] openat(AT_FDCWD, "./807/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4315] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4315] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] fstat(4 [pid 307] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4311] exit_group(0 [pid 309] getdents64(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4315] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4311] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4315] <... unlinkat resumed>) = 0 [pid 309] close(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 4315] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... close resumed>) = 0 [pid 310] umount2("./824", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./807/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4315] exit_group(0) = ? [pid 4315] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./824", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] fstat(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4316 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4316 attached [pid 4316] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] close(3 [pid 306] umount2("./762", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./824/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./824/binderfs" [pid 309] rmdir("./807" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./762", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4316] <... set_robust_list resumed>) = 0 [pid 4316] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] unlink("./824/binderfs" [pid 309] mkdir("./808", 0777 [pid 306] fstat(3 [pid 4316] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4316] chdir("./791") = 0 [pid 4316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4316] setpgid(0, 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 4316] <... setpgid resumed>) = 0 [pid 4311] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./762/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] newfstatat(AT_FDCWD, "./824/config"ci2-android-6-1/strace-static-x86_64: Process 4317 attached [pid 4316] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./762/binderfs" [pid 310] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4317 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./824/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] unlink("./762/binderfs" [pid 310] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4316] write(3, "1000", 4) = 4 [pid 306] <... unlink resumed>) = 0 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 4316] close(3) = 0 [pid 4316] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 306] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4316] <... symlink resumed>) = 0 [pid 310] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4316] write(1, "executing program\n", 18) = 18 [pid 310] <... close resumed>) = 0 executing program [pid 306] newfstatat(AT_FDCWD, "./762/config" [pid 310] rmdir("./824/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4316] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] umount2("./762/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./762/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(3 [pid 4316] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... openat resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 306] fstat(4 [pid 310] rmdir("./824" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4316] <... mount resumed>) = 0 [pid 4316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 310] mkdir("./825", 0777 [pid 4316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4316] <... mkdirat resumed>) = 0 [pid 4316] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 4316] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4316] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4316] exit_group(0) = ? [pid 4317] set_robust_list(0x55556c898760, 24 [pid 4316] +++ exited with 0 +++ [pid 306] rmdir("./762/config"ci2-android-6-1/strace-static-x86_64: Process 4318 attached [pid 4318] set_robust_list(0x55556c898760, 24) = 0 [pid 4318] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4318 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(3 [pid 4318] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./762" [pid 4318] chdir("./825") = 0 [pid 4318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4318] setpgid(0, 0 [pid 306] <... rmdir resumed>) = 0 [pid 4318] <... setpgid resumed>) = 0 [pid 306] mkdir("./763", 0777 [pid 4318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4318] write(3, "1000", 4) = 4 [pid 306] <... mkdir resumed>) = 0 [pid 4318] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4317] <... set_robust_list resumed>) = 0 [pid 4318] <... close resumed>) = 0 [pid 4318] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4318] write(1, "executing program\n", 18) = 18 [pid 4318] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4319 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4317] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4317] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4318] <... mkdirat resumed>) = 0 [pid 4317] chdir("./808"ci2-android-6-1/strace-static-x86_64: Process 4319 attached [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4318] mount(NULL, "./config", "configfs", 0, NULL [pid 308] umount2("./816", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./791", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4317] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./816", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4318] <... mount resumed>) = 0 [pid 307] openat(AT_FDCWD, "./791", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4317] <... prctl resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 4317] setpgid(0, 0 [pid 307] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 4317] <... setpgid resumed>) = 0 [pid 307] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 4318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./816/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./791/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./816/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./791/binderfs" [pid 308] unlink("./816/binderfs" [pid 4317] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 4317] write(3, "1000", 4 [pid 307] unlink("./791/binderfs" [pid 308] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4317] <... write resumed>) = 4 [pid 307] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4317] close(3 [pid 308] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./816/config" [pid 4317] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4317] symlink("/dev/binderfs", "./binderfs" [pid 307] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4318] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./791/config" [pid 308] openat(AT_FDCWD, "./816/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4317] <... symlink resumed>) = 0 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4317] write(1, "executing program\n", 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./791/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 4318] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... openat resumed>) = 4 [pid 4318] <... symlinkat resumed>) = 0 [pid 4317] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 308] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 308] close(4 [pid 4318] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4317] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 4318] <... unlinkat resumed>) = 0 [pid 308] rmdir("./816/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4318] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4318] exit_group(0 [pid 308] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 4318] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./791/config" executing program [pid 308] close(3 [pid 4318] +++ exited with 0 +++ [pid 4317] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4319] set_robust_list(0x55556c898760, 24 [pid 308] rmdir("./816" [pid 307] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4319] <... set_robust_list resumed>) = 0 [pid 4319] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4319] chdir("./763" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4317] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./817", 0777 [pid 307] close(3 [pid 4319] <... chdir resumed>) = 0 [pid 4319] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4319] setpgid(0, 0) = 0 [pid 4319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4317] <... mount resumed>) = 0 [pid 307] rmdir("./791" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4319] <... openat resumed>) = 3 [pid 4319] write(3, "1000", 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 4319] <... write resumed>) = 4 [pid 4319] close(3) = 0 [pid 4319] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4319] write(1, "executing program\n", 18) = 18 [pid 4319] mkdirat(AT_FDCWD, "./config", 0777 [pid 4317] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4320 [pid 307] mkdir("./792", 0777 [pid 4319] <... mkdirat resumed>) = 0 executing program [pid 4317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4317] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4319] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4317] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4319] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4317] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4321 [pid 4319] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4317] <... symlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4319] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4317] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4319] <... unlinkat resumed>) = 0 [pid 4317] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4319] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4317] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4319] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 4321 attached [pid 4319] +++ exited with 0 +++ [pid 4317] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4317] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 4320 attached [pid 4320] set_robust_list(0x55556c898760, 24) = 0 [pid 4320] rt_sigprocmask(SIG_SETMASK, [] [pid 4317] <... exit_group resumed>) = ? [pid 4320] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4320] chdir("./817" [pid 310] <... restart_syscall resumed>) = 0 [pid 4320] <... chdir resumed>) = 0 [pid 4320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./825", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4320] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4320] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./825", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4320] <... setpgid resumed>) = 0 [pid 4320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4320] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 4320] write(3, "1000", 4) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./763", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4317] +++ exited with 0 +++ [pid 310] umount2("./825/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./825/binderfs" [pid 306] openat(AT_FDCWD, "./763", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./825/binderfs" [pid 306] <... openat resumed>) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4320] close(3) = 0 [pid 4320] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 306] fstat(3 [pid 310] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4321] set_robust_list(0x55556c898760, 24 [pid 310] <... umount2 resumed>) = 0 [pid 306] getdents64(3 [pid 310] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4320] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./825/config" [pid 306] umount2("./763/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./763/binderfs" [pid 4320] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./825/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] unlink("./763/binderfs" [pid 4320] <... write resumed>) = 18 [pid 4320] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 4 executing program [pid 4320] <... mkdirat resumed>) = 0 [pid 4321] <... set_robust_list resumed>) = 0 [pid 310] fstat(4 [pid 306] <... unlink resumed>) = 0 [pid 4320] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 4320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 4320] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 4320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 306] newfstatat(AT_FDCWD, "./763/config" [pid 310] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./825/config" [pid 306] umount2("./763/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4320] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 4320] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] openat(AT_FDCWD, "./763/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4320] <... symlinkat resumed>) = 0 [pid 310] close(3 [pid 306] <... openat resumed>) = 4 [pid 4320] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 306] fstat(4 [pid 310] rmdir("./825" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4320] <... unlinkat resumed>) = 0 [pid 4320] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 310] mkdir("./826", 0777 [pid 4320] exit_group(0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4320] <... exit_group resumed>) = ? [pid 4321] rt_sigprocmask(SIG_SETMASK, [] [pid 4320] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(4 [pid 4321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 4321] chdir("./792") = 0 [pid 4321] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4321] setpgid(0, 0) = 0 [pid 306] rmdir("./763/config" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4322 [pid 4321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 306] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 4321] write(3, "1000", 4) = 4 [pid 306] <... close resumed>) = 0 [pid 4321] close(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] rmdir("./763" [pid 4321] <... close resumed>) = 0 [pid 4321] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4321] write(1, "executing program\n", 18 [pid 306] mkdir("./764", 0777 [pid 4321] <... write resumed>) = 18 [pid 308] umount2("./817", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4321] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4321] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./817", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] fstat(3 [pid 4321] <... mount resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] getdents64(3 [pid 4321] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4321] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./817/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4321] <... mkdirat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./817/binderfs" [pid 4321] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4323 [pid 308] unlink("./817/binderfs" [pid 4321] <... symlinkat resumed>) = 0 [pid 4321] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4321] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4321] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./817/config" [pid 309] umount2("./808", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./808", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4321] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./817/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 4321] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 4 [pid 309] getdents64(3 [pid 308] fstat(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4322 attached [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./808/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 4322] set_robust_list(0x55556c898760, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./808/binderfs" [pid 308] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] unlink("./808/binderfs" [pid 308] close(4 [pid 4322] <... set_robust_list resumed>) = 0 [pid 4322] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 309] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./817/config" [pid 4322] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4322] chdir("./826") = 0 [pid 4322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4322] setpgid(0, 0 [pid 309] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 4322] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./808/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(3 [pid 309] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./808/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./817" [pid 4322] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 4 [pid 4322] write(3, "1000", 4) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 4322] close(3 [pid 308] mkdir("./818", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4322] <... close resumed>) = 0 [pid 4322] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4322] write(1, "executing program\n", 18) = 18 [pid 4322] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(4 [pid 308] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4323 attached [pid 4322] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 4322] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] close(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... close resumed>) = 0 [pid 4322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4322] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] rmdir("./808/config" [pid 4322] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4322] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4322] exit_group(0) = ? [pid 309] <... rmdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4324 [pid 309] getdents64(3 [pid 4323] set_robust_list(0x55556c898760, 24 [pid 4322] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./808"ci2-android-6-1/strace-static-x86_64: Process 4324 attached [pid 4324] set_robust_list(0x55556c898760, 24) = 0 [pid 4324] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 4324] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./809", 0777 [pid 4324] chdir("./818") = 0 [pid 4324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4324] setpgid(0, 0) = 0 [pid 4324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4324] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4324] write(3, "1000", 4 [pid 310] umount2("./826", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4324] <... write resumed>) = 4 [pid 4324] close(3) = 0 [pid 4324] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4324] write(1, "executing program\n", 18) = 18 executing program [pid 4324] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4325 [pid 310] openat(AT_FDCWD, "./826", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4324] <... mkdirat resumed>) = 0 [pid 4323] <... set_robust_list resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4324] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3 [pid 4324] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./826/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4324] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./826/binderfs" [pid 307] umount2("./792", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./826/binderfs" [pid 307] openat(AT_FDCWD, "./792", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 4324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 310] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4324] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./826/config" [pid 307] umount2("./792/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4324] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./792/binderfs" [pid 4324] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./826/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4324] <... unlinkat resumed>) = 0 [pid 4324] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 4 [pid 307] unlink("./792/binderfs" [pid 310] fstat(4 [pid 4324] <... unlinkat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 4324] exit_group(0 [pid 307] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 4324] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 307] newfstatat(AT_FDCWD, "./792/config" [pid 310] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./826/config" [pid 307] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4324] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4325 attached [pid 307] openat(AT_FDCWD, "./792/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] close(3 [pid 307] <... openat resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 307] fstat(4 [pid 310] rmdir("./826" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4325] set_robust_list(0x55556c898760, 24) = 0 [pid 4325] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 310] mkdir("./827", 0777 [pid 4325] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4325] chdir("./809") = 0 [pid 4325] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4325] setpgid(0, 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] close(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... close resumed>) = 0 [pid 4325] <... openat resumed>) = 3 [pid 4325] write(3, "1000", 4) = 4 [pid 4325] close(3) = 0 [pid 4325] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] rmdir("./792/config" [pid 4323] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4326 [pid 4325] write(1, "executing program\n", 18) = 18 [pid 4325] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 executing program [pid 4325] <... mkdirat resumed>) = 0 [pid 4323] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 4325] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 4325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... close resumed>) = 0 [pid 4325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rmdir("./792" [pid 4325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4325] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] mkdir("./793", 0777 [pid 4325] <... symlinkat resumed>) = 0 [pid 4325] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4325] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... mkdir resumed>) = 0 [pid 4325] <... unlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4325] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4323] chdir("./764" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4325] <... exit_group resumed>) = ? [pid 4325] +++ exited with 0 +++ [pid 4323] <... chdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4327 [pid 4323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4323] <... prctl resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4326 attached [pid 4323] setpgid(0, 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4323] <... setpgid resumed>) = 0 [pid 4326] set_robust_list(0x55556c898760, 24) = 0 [pid 4326] rt_sigprocmask(SIG_SETMASK, [] [pid 4323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./818", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4326] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4326] chdir("./827" [pid 308] openat(AT_FDCWD, "./818", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4323] <... openat resumed>) = 3 [pid 4326] <... chdir resumed>) = 0 [pid 4326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... openat resumed>) = 3 [pid 4323] write(3, "1000", 4 [pid 308] fstat(3 [pid 4326] <... prctl resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4323] <... write resumed>) = 4 [pid 4326] setpgid(0, 0 [pid 308] getdents64(3 [pid 4326] <... setpgid resumed>) = 0 [pid 4326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4323] close(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4326] <... openat resumed>) = 3 [pid 4326] write(3, "1000", 4 [pid 308] umount2("./818/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4323] <... close resumed>) = 0 [pid 4326] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4323] symlink("/dev/binderfs", "./binderfs" [pid 308] newfstatat(AT_FDCWD, "./818/binderfs" [pid 4326] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4326] <... close resumed>) = 0 [pid 308] unlink("./818/binderfs" [pid 4326] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4323] <... symlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4326] write(1, "executing program\n", 18 [pid 4323] write(1, "executing program\n", 18 [pid 308] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4326] <... write resumed>) = 18 [pid 4326] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 4323] <... write resumed>) = 18 [pid 309] <... restart_syscall resumed>) = 0 executing program executing program [pid 308] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4326] <... mkdirat resumed>) = 0 [pid 4323] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4326] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./809", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./818/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./809", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4326] <... mount resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 308] openat(AT_FDCWD, "./818/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 4 [pid 309] getdents64(3 [pid 308] fstat(4 [pid 4323] <... mkdirat resumed>) = 0 [pid 4326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4323] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./809/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 4326] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./809/binderfs" [pid 4323] <... mount resumed>) = 0 [pid 308] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] unlink("./809/binderfs" [pid 308] close(4 [pid 4326] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4323] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./818/config" [pid 4326] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-6-1/strace-static-x86_64: Process 4327 attached ) = 0 [pid 4323] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4327] set_robust_list(0x55556c898760, 24 [pid 309] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4327] <... set_robust_list resumed>) = 0 [pid 4326] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 4327] rt_sigprocmask(SIG_SETMASK, [] [pid 4326] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./809/config" [pid 4327] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4326] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4327] chdir("./793" [pid 4326] <... unlinkat resumed>) = 0 [pid 4323] <... mkdirat resumed>) = 0 [pid 309] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4327] <... chdir resumed>) = 0 [pid 4326] exit_group(0 [pid 4323] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 4327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4326] <... exit_group resumed>) = ? [pid 4323] <... symlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./809/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4327] <... prctl resumed>) = 0 [pid 4326] +++ exited with 0 +++ [pid 4323] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 4327] setpgid(0, 0 [pid 4323] <... unlinkat resumed>) = 0 [pid 309] fstat(4 [pid 4327] <... setpgid resumed>) = 0 [pid 4323] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./818" [pid 4327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4323] <... unlinkat resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(4 [pid 4323] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4323] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 4327] <... openat resumed>) = 3 [pid 4323] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4327] write(3, "1000", 4 [pid 309] close(4 [pid 308] mkdir("./819", 0777 [pid 4327] <... write resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./809/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4327] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4327] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4327] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4327] <... symlink resumed>) = 0 [pid 309] close(3 [pid 4327] write(1, "executing program\n", 18 [pid 309] <... close resumed>) = 0 executing program [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4327] <... write resumed>) = 18 [pid 309] rmdir("./809" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4327] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./810", 0777) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4328 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4328 attached [pid 4327] <... mkdirat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4329 attached [pid 4327] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4329 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4329] set_robust_list(0x55556c898760, 24 [pid 4328] set_robust_list(0x55556c898760, 24 [pid 4327] <... mount resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4329] <... set_robust_list resumed>) = 0 [pid 4328] <... set_robust_list resumed>) = 0 [pid 4327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4329] rt_sigprocmask(SIG_SETMASK, [] [pid 4327] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4328] rt_sigprocmask(SIG_SETMASK, [] [pid 4329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4328] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4329] chdir("./810" [pid 4328] chdir("./819" [pid 4327] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4328] <... chdir resumed>) = 0 [pid 4327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4329] <... chdir resumed>) = 0 [pid 4328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4327] <... mkdirat resumed>) = 0 [pid 4329] <... prctl resumed>) = 0 [pid 4328] <... prctl resumed>) = 0 [pid 4329] setpgid(0, 0 [pid 4327] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4329] <... setpgid resumed>) = 0 [pid 4328] setpgid(0, 0 [pid 4329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4328] <... setpgid resumed>) = 0 [pid 4327] <... symlinkat resumed>) = 0 [pid 4328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4327] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4329] <... openat resumed>) = 3 [pid 4328] <... openat resumed>) = 3 [pid 4327] <... unlinkat resumed>) = 0 [pid 4328] write(3, "1000", 4 [pid 4327] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4328] <... write resumed>) = 4 [pid 4329] write(3, "1000", 4 [pid 4328] close(3 [pid 4327] <... unlinkat resumed>) = 0 [pid 4329] <... write resumed>) = 4 [pid 4328] <... close resumed>) = 0 [pid 4327] exit_group(0 [pid 4329] close(3 [pid 4328] symlink("/dev/binderfs", "./binderfs" [pid 4327] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4329] <... close resumed>) = 0 [pid 4329] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4329] write(1, "executing program\n", 18) = 18 [pid 4329] mkdirat(AT_FDCWD, "./config", 0777 [pid 4327] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4329] <... mkdirat resumed>) = 0 [pid 4328] <... symlink resumed>) = 0 [pid 4329] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4328] write(1, "executing program\n", 18 [pid 310] umount2("./827", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./764", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4328] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./793", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./827", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program executing program [pid 4328] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./764", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4329] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 307] openat(AT_FDCWD, "./793", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 4329] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 4329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./827/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./827/binderfs" [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4329] <... mkdirat resumed>) = 0 [pid 4328] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./764/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4328] mount(NULL, "./config", "configfs", 0, NULL [pid 4329] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4328] <... mount resumed>) = 0 [pid 310] unlink("./827/binderfs" [pid 307] umount2("./793/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4329] <... symlinkat resumed>) = 0 [pid 4328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./764/binderfs" [pid 310] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./793/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4329] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4328] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./764/binderfs" [pid 4328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./793/binderfs" [pid 4329] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4328] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4329] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] newfstatat(AT_FDCWD, "./827/config" [pid 307] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4329] exit_group(0 [pid 4328] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4329] <... exit_group resumed>) = ? [pid 310] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4329] +++ exited with 0 +++ [pid 4328] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4328] <... symlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./827/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4328] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... openat resumed>) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 307] newfstatat(AT_FDCWD, "./793/config" [pid 306] newfstatat(AT_FDCWD, "./764/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./764/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 307] openat(AT_FDCWD, "./793/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./764/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 4 [pid 4328] <... unlinkat resumed>) = 0 [pid 310] close(4 [pid 307] fstat(4 [pid 306] <... openat resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 306] fstat(4 [pid 4328] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./827/config" [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4328] <... unlinkat resumed>) = 0 [pid 4328] exit_group(0) = ? [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 310] getdents64(3 [pid 307] getdents64(4 [pid 4328] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] close(3 [pid 307] close(4 [pid 306] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./827" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rmdir("./793/config" [pid 306] close(4 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] mkdir("./828", 0777 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./764/config" [pid 307] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./793" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] mkdir("./794", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4331 attached ci2-android-6-1/strace-static-x86_64: Process 4330 attached [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4331] set_robust_list(0x55556c898760, 24 [pid 4330] set_robust_list(0x55556c898760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4330 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4331 [pid 4331] <... set_robust_list resumed>) = 0 [pid 4330] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(3 [pid 4331] rt_sigprocmask(SIG_SETMASK, [] [pid 4330] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./810", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./819", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4331] chdir("./794" [pid 4330] chdir("./828" [pid 309] openat(AT_FDCWD, "./810", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4331] <... chdir resumed>) = 0 [pid 4330] <... chdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] rmdir("./764" [pid 4331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] fstat(3 [pid 308] openat(AT_FDCWD, "./819", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4331] <... prctl resumed>) = 0 [pid 4330] <... prctl resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 4331] setpgid(0, 0 [pid 4330] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(3 [pid 306] mkdir("./765", 0777 [pid 4331] <... setpgid resumed>) = 0 [pid 4330] <... setpgid resumed>) = 0 [pid 309] umount2("./810/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./810/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 306] <... mkdir resumed>) = 0 [pid 4331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] unlink("./810/binderfs" [pid 4330] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4331] <... openat resumed>) = 3 [pid 4330] write(3, "1000", 4 [pid 309] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./819/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4331] write(3, "1000", 4 [pid 4330] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4331] <... write resumed>) = 4 [pid 4330] close(3 [pid 309] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4331] close(3 [pid 4330] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./810/config" [pid 308] newfstatat(AT_FDCWD, "./819/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4331] <... close resumed>) = 0 [pid 4330] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./810/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4332 [pid 308] unlink("./819/binderfs" [pid 4331] symlink("/dev/binderfs", "./binderfs" [pid 4330] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 4330] write(1, "executing program\n", 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4331] <... symlink resumed>) = 0 [pid 4330] <... write resumed>) = 18 executing program [pid 309] getdents64(4 [pid 308] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4331] write(1, "executing program\n", 18 [pid 4330] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4331] <... write resumed>) = 18 executing program [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4330] <... mkdirat resumed>) = 0 [pid 309] close(4) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4331] mkdirat(AT_FDCWD, "./config", 0777 [pid 4330] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rmdir("./810/config" [pid 4330] <... mount resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./819/config" [pid 4330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(3 [pid 4331] <... mkdirat resumed>) = 0 [pid 4330] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4331] mount(NULL, "./config", "configfs", 0, NULL [pid 4330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(3 [pid 4331] <... mount resumed>) = 0 [pid 4330] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 308] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rmdir("./810" [pid 4331] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4330] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4330] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] mkdir("./811", 0777 [pid 4331] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4330] <... symlinkat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./819/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4330] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 4332 attached [pid 4331] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4330] <... unlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 4 [pid 4332] set_robust_list(0x55556c898760, 24 [pid 4331] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4330] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4333 attached [pid 4332] <... set_robust_list resumed>) = 0 [pid 4331] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4330] <... unlinkat resumed>) = 0 [pid 308] fstat(4 [pid 4333] set_robust_list(0x55556c898760, 24 [pid 4332] rt_sigprocmask(SIG_SETMASK, [] [pid 4331] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4330] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4333 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4333] <... set_robust_list resumed>) = 0 [pid 4332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4331] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4330] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4333] rt_sigprocmask(SIG_SETMASK, [] [pid 4330] +++ exited with 0 +++ [pid 4333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4332] chdir("./765" [pid 4331] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 4332] <... chdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4331] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4332] <... prctl resumed>) = 0 [pid 308] close(4 [pid 4333] chdir("./811" [pid 4332] setpgid(0, 0 [pid 4331] exit_group(0 [pid 308] <... close resumed>) = 0 [pid 4332] <... setpgid resumed>) = 0 [pid 4333] <... chdir resumed>) = 0 [pid 4331] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 308] rmdir("./819/config" [pid 4333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4333] <... prctl resumed>) = 0 [pid 4333] setpgid(0, 0 [pid 308] <... rmdir resumed>) = 0 [pid 4333] <... setpgid resumed>) = 0 [pid 4332] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 310] umount2("./828", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4332] write(3, "1000", 4 [pid 4331] +++ exited with 0 +++ [pid 308] close(3 [pid 4333] <... openat resumed>) = 3 [pid 4332] <... write resumed>) = 4 [pid 310] openat(AT_FDCWD, "./828", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4333] write(3, "1000", 4 [pid 4332] close(3 [pid 310] <... openat resumed>) = 3 [pid 308] rmdir("./819" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4333] <... write resumed>) = 4 [pid 310] fstat(3 [pid 4333] close(3) = 0 [pid 4333] symlink("/dev/binderfs", "./binderfs" [pid 4332] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4332] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(3 [pid 308] mkdir("./820", 0777 [pid 4333] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... mkdir resumed>) = 0 [pid 310] umount2("./828/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./828/binderfs" [pid 4333] write(1, "executing program\n", 18 [pid 4332] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4332] write(1, "executing program\n", 18 [pid 310] unlink("./828/binderfs" [pid 4333] <... write resumed>) = 18 executing program executing program [pid 4333] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4334 attached ) = 0 [pid 4332] <... write resumed>) = 18 [pid 310] <... unlink resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4334 [pid 4334] set_robust_list(0x55556c898760, 24 [pid 4333] mount(NULL, "./config", "configfs", 0, NULL [pid 4332] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4334] <... set_robust_list resumed>) = 0 [pid 4333] <... mount resumed>) = 0 [pid 4333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4332] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4332] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4334] rt_sigprocmask(SIG_SETMASK, [] [pid 4333] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4332] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./828/config" [pid 4332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4334] chdir("./820" [pid 4333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4334] <... chdir resumed>) = 0 [pid 4333] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4334] <... prctl resumed>) = 0 [pid 4333] <... mkdirat resumed>) = 0 [pid 4332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4334] setpgid(0, 0 [pid 4333] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4334] <... setpgid resumed>) = 0 [pid 4333] <... symlinkat resumed>) = 0 [pid 4332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4333] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./828/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4334] <... openat resumed>) = 3 [pid 4333] <... unlinkat resumed>) = 0 [pid 4332] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4334] write(3, "1000", 4 [pid 4333] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 4 [pid 4334] <... write resumed>) = 4 [pid 4333] <... unlinkat resumed>) = 0 [pid 4332] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4334] close(3 [pid 4333] exit_group(0 [pid 310] fstat(4 [pid 4334] <... close resumed>) = 0 [pid 4333] <... exit_group resumed>) = ? [pid 4332] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4334] symlink("/dev/binderfs", "./binderfs" [pid 4333] +++ exited with 0 +++ [pid 4332] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4332] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4332] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4334] <... symlink resumed>) = 0 [pid 4332] exit_group(0 [pid 310] getdents64(4 [pid 4334] write(1, "executing program\n", 18 [pid 4332] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4334] <... write resumed>) = 18 executing program [pid 4334] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4332] +++ exited with 0 +++ [pid 310] close(4) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rmdir("./828/config" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4334] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 4334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] close(3 [pid 309] umount2("./811", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./828" [pid 309] openat(AT_FDCWD, "./811", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./794", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./765", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(3 [pid 307] openat(AT_FDCWD, "./794", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] mkdir("./829", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 4334] <... mkdirat resumed>) = 0 [pid 309] getdents64(3 [pid 307] fstat(3 [pid 306] openat(AT_FDCWD, "./765", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4334] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4334] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./811/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 4334] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 4334] <... unlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./811/binderfs" [pid 306] fstat(3 [pid 4334] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4334] <... unlinkat resumed>) = 0 [pid 309] unlink("./811/binderfs" [pid 4334] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./794/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4334] <... exit_group resumed>) = ? [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4335 [pid 309] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4335 attached [pid 4334] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./794/binderfs" [pid 306] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] newfstatat(AT_FDCWD, "./811/config" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] unlink("./794/binderfs" [pid 306] umount2("./765/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./811/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./765/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./820", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./765/binderfs" [pid 309] getdents64(4 [pid 308] openat(AT_FDCWD, "./820", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 306] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./794/config" [pid 306] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./811/config" [pid 308] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] getdents64(3 [pid 307] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] openat(AT_FDCWD, "./794/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./811" [pid 308] umount2("./820/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4335] set_robust_list(0x55556c898760, 24 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] newfstatat(AT_FDCWD, "./765/config" [pid 309] mkdir("./812", 0777 [pid 4335] <... set_robust_list resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] newfstatat(AT_FDCWD, "./820/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./765/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 4335] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4335] chdir("./829") = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4335] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4335] setpgid(0, 0) = 0 [pid 4335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4335] write(3, "1000", 4 [pid 308] unlink("./820/binderfs" [pid 4335] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4335] close(3) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4336 [pid 308] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./765/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(4 [pid 4335] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 308] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./794/config" [pid 306] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4335] <... symlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./820/config" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 306] getdents64(4 [pid 308] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 306] getdents64(4 [pid 308] openat(AT_FDCWD, "./820/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] rmdir("./794" [pid 308] fstat(4 [pid 306] close(4 [pid 4335] write(1, "executing program\n", 18) = 18 [pid 4335] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 307] mkdir("./795", 0777 [pid 306] rmdir("./765/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4335] <... mkdirat resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... mkdir resumed>) = 0 [pid 4335] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 308] close(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 4335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./820/config" [pid 4335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4335] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4335] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-6-1/strace-static-x86_64: Process 4336 attached ) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4337 [pid 308] getdents64(3 [pid 4336] set_robust_list(0x55556c898760, 24 [pid 4335] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 308] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./765" [pid 308] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4336] <... set_robust_list resumed>) = 0 [pid 4335] <... unlinkat resumed>) = 0 [pid 4336] rt_sigprocmask(SIG_SETMASK, [] [pid 4335] exit_group(0 [pid 308] rmdir("./820" [pid 306] <... rmdir resumed>) = 0 [pid 4336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4335] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4337 attached [pid 4336] chdir("./812" [pid 4335] +++ exited with 0 +++ [pid 308] <... rmdir resumed>) = 0 [pid 306] mkdir("./766", 0777 [pid 4336] <... chdir resumed>) = 0 [pid 4336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] mkdir("./821", 0777 [pid 4336] <... prctl resumed>) = 0 [pid 4336] setpgid(0, 0) = 0 [pid 4336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... mkdir resumed>) = 0 [pid 4336] write(3, "1000", 4) = 4 [pid 4336] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4336] <... close resumed>) = 0 [pid 4336] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4336] write(1, "executing program\n", 18) = 18 [pid 4336] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4336] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4338 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4339 [pid 4336] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./829", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 310] openat(AT_FDCWD, "./829", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4336] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 4336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(3 [pid 4337] set_robust_list(0x55556c898760, 24 [pid 4336] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4339 attached [pid 4336] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4336] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4336] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 4336] <... unlinkat resumed>) = 0 [pid 4336] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4336] <... exit_group resumed>) = ? [pid 4339] set_robust_list(0x55556c898760, 24 [pid 4337] <... set_robust_list resumed>) = 0 [pid 4336] +++ exited with 0 +++ [pid 310] umount2("./829/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4338 attached [pid 4338] set_robust_list(0x55556c898760, 24) = 0 [pid 4338] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./829/binderfs" [pid 4338] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4338] chdir("./821") = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] unlink("./829/binderfs" [pid 4338] <... prctl resumed>) = 0 [pid 4338] setpgid(0, 0) = 0 [pid 4338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... unlink resumed>) = 0 [pid 4338] write(3, "1000", 4 [pid 310] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4338] <... write resumed>) = 4 [pid 4338] close(3 [pid 310] <... umount2 resumed>) = 0 [pid 4338] <... close resumed>) = 0 [pid 310] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4338] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4339] <... set_robust_list resumed>) = 0 [pid 4338] <... symlink resumed>) = 0 [pid 4337] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./829/config" [pid 4338] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4338] <... write resumed>) = 18 [pid 310] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4338] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4338] <... mkdirat resumed>) = 0 [pid 4337] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./829/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4338] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] fstat(4 [pid 4338] <... mount resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(4 [pid 309] umount2("./812", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4338] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./812", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] close(4 [pid 309] <... openat resumed>) = 3 [pid 4338] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] fstat(3 [pid 310] rmdir("./829/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4338] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4338] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4338] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 4338] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 4338] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] close(3 [pid 4338] <... exit_group resumed>) = ? [pid 309] umount2("./812/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 4339] rt_sigprocmask(SIG_SETMASK, [] [pid 4338] +++ exited with 0 +++ [pid 4337] chdir("./795" [pid 310] rmdir("./829" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./812/binderfs" [pid 4339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4337] <... chdir resumed>) = 0 [pid 310] mkdir("./830", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4339] chdir("./766" [pid 310] <... mkdir resumed>) = 0 [pid 4337] <... prctl resumed>) = 0 [pid 309] unlink("./812/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4339] <... chdir resumed>) = 0 [pid 4339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... unlink resumed>) = 0 [pid 4337] setpgid(0, 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4339] <... prctl resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4339] setpgid(0, 0) = 0 [pid 4339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4339] write(3, "1000", 4) = 4 [pid 4339] close(3) = 0 [pid 4339] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 4337] <... setpgid resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4340 [pid 309] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4339] <... symlink resumed>) = 0 [pid 4337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./812/config" [pid 4339] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4337] <... openat resumed>) = 3 [pid 4339] <... write resumed>) = 18 [pid 4339] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4337] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4339] <... mkdirat resumed>) = 0 [pid 4337] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./812/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4340 attached [pid 4337] close(3 [pid 309] <... openat resumed>) = 4 [pid 4340] set_robust_list(0x55556c898760, 24 [pid 4337] <... close resumed>) = 0 [pid 309] fstat(4 [pid 4340] <... set_robust_list resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4337] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(4 [pid 4340] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4340] chdir("./830" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4340] <... chdir resumed>) = 0 [pid 309] close(4 [pid 308] umount2("./821", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4337] <... symlink resumed>) = 0 [pid 4340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... close resumed>) = 0 [pid 4340] <... prctl resumed>) = 0 [pid 309] rmdir("./812/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4337] write(1, "executing program\n", 18 [pid 4340] setpgid(0, 0) = 0 [pid 4340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./821", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4337] <... write resumed>) = 18 [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] fstat(3 executing program [pid 309] close(3 [pid 4337] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4340] <... openat resumed>) = 3 [pid 4339] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./812" [pid 308] getdents64(3 [pid 4339] <... mount resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] mkdir("./813", 0777 [pid 308] umount2("./821/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4340] write(3, "1000", 4 [pid 4339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] newfstatat(AT_FDCWD, "./821/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4340] <... write resumed>) = 4 [pid 4339] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4337] <... mkdirat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4340] close(3 [pid 4339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4340] <... close resumed>) = 0 [pid 4339] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4340] symlink("/dev/binderfs", "./binderfs" [pid 4339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] unlink("./821/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4341 attached [pid 4340] <... symlink resumed>) = 0 [pid 4339] <... mkdirat resumed>) = 0 [pid 4337] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4341 [pid 308] <... unlink resumed>) = 0 [pid 4341] set_robust_list(0x55556c898760, 24) = 0 [pid 4340] write(1, "executing program\n", 18 [pid 4339] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4337] <... mount resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4341] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4341] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4340] <... write resumed>) = 18 [pid 4339] <... symlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4341] chdir("./813" [pid 4340] mkdirat(AT_FDCWD, "./config", 0777 [pid 4339] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4341] <... chdir resumed>) = 0 [pid 4337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4341] <... prctl resumed>) = 0 [pid 4337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] newfstatat(AT_FDCWD, "./821/config" [pid 4341] setpgid(0, 0 [pid 4337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4341] <... setpgid resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4337] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4337] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./821/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4337] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4341] <... openat resumed>) = 3 [pid 4340] <... mkdirat resumed>) = 0 [pid 4339] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4337] <... unlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 4341] write(3, "1000", 4 [pid 4337] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4341] <... write resumed>) = 4 [pid 308] fstat(4 [pid 4341] close(3 [pid 4340] mount(NULL, "./config", "configfs", 0, NULL [pid 4339] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4337] <... unlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4341] <... close resumed>) = 0 [pid 4340] <... mount resumed>) = 0 [pid 4339] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4341] symlink("/dev/binderfs", "./binderfs" [pid 4340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4339] exit_group(0 [pid 4337] exit_group(0 [pid 308] getdents64(4 [pid 4341] <... symlink resumed>) = 0 [pid 4340] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4339] <... exit_group resumed>) = ? [pid 4337] <... exit_group resumed>) = ? [pid 4341] write(1, "executing program\n", 18 [pid 4340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4339] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4340] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4341] <... write resumed>) = 18 [pid 4340] <... mkdirat resumed>) = 0 executing program [pid 4337] +++ exited with 0 +++ [pid 308] getdents64(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4341] mkdirat(AT_FDCWD, "./config", 0777 [pid 4340] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4341] <... mkdirat resumed>) = 0 [pid 4340] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] close(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4341] mount(NULL, "./config", "configfs", 0, NULL [pid 4340] <... unlinkat resumed>) = 0 [pid 4341] <... mount resumed>) = 0 [pid 4340] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4340] <... unlinkat resumed>) = 0 [pid 4341] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4340] exit_group(0 [pid 308] rmdir("./821/config" [pid 4341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4340] <... exit_group resumed>) = ? [pid 4341] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4340] +++ exited with 0 +++ [pid 308] <... rmdir resumed>) = 0 [pid 4341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4341] <... mkdirat resumed>) = 0 [pid 308] close(3 [pid 4341] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./821" [pid 4341] <... symlinkat resumed>) = 0 [pid 4341] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] umount2("./830", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4341] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./822", 0777 [pid 4341] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./830", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4341] exit_group(0 [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./795", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./766", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4341] <... exit_group resumed>) = ? [pid 310] fstat(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./795", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./766", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 307] fstat(3 [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4342 attached [pid 4341] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4342] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./830/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4342 [pid 307] getdents64(3 [pid 4342] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./830/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4342] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./795/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./766/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4342] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] unlink("./830/binderfs" [pid 309] umount2("./813", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./795/binderfs" [pid 306] newfstatat(AT_FDCWD, "./766/binderfs" [pid 4342] chdir("./822" [pid 310] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./813", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4342] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./795/binderfs" [pid 4342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 306] unlink("./766/binderfs" [pid 307] <... unlink resumed>) = 0 [pid 4342] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4342] setpgid(0, 0 [pid 310] newfstatat(AT_FDCWD, "./830/config" [pid 307] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4342] <... setpgid resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 306] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./813/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./830/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./813/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./795/config" [pid 4342] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] unlink("./813/binderfs" [pid 306] newfstatat(AT_FDCWD, "./766/config" [pid 4342] write(3, "1000", 4 [pid 310] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4342] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4342] close(3 [pid 310] getdents64(4 [pid 309] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4342] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./766/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4342] symlink("/dev/binderfs", "./binderfs" [pid 310] close(4 [pid 309] <... umount2 resumed>) = 0 [pid 307] openat(AT_FDCWD, "./795/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 309] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./830/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./766/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4342] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./813/config" [pid 307] fstat(4 [pid 306] <... openat resumed>) = 4 [pid 4342] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 4342] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4342] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./813/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 310] rmdir("./830" [pid 309] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 4342] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 307] close(4 [pid 306] getdents64(4 [pid 4342] mount(NULL, "./config", "configfs", 0, NULL [pid 310] mkdir("./831", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 4342] <... mount resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 4342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rmdir("./795/config" [pid 306] close(4 [pid 4342] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 309] close(4 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rmdir("./813/config" [pid 4342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] getdents64(3 [pid 306] rmdir("./766/config" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./813"ci2-android-6-1/strace-static-x86_64: Process 4343 attached [pid 4342] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 4343] set_robust_list(0x55556c898760, 24 [pid 4342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4343 [pid 309] mkdir("./814", 0777 [pid 307] rmdir("./795" [pid 4343] <... set_robust_list resumed>) = 0 [pid 4342] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4342] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 4343] rt_sigprocmask(SIG_SETMASK, [] [pid 4342] <... symlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] mkdir("./796", 0777ci2-android-6-1/strace-static-x86_64: Process 4344 attached [pid 4343] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4342] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4344 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 306] rmdir("./766" [pid 4344] set_robust_list(0x55556c898760, 24 [pid 4343] chdir("./831" [pid 4342] <... unlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4344] <... set_robust_list resumed>) = 0 [pid 4343] <... chdir resumed>) = 0 [pid 4342] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] mkdir("./767", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4344] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4344] chdir("./814") = 0 [pid 4344] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4344] setpgid(0, 0) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4345 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4342] <... unlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4344] <... openat resumed>) = 3 [pid 4343] <... prctl resumed>) = 0 [pid 4342] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4343] setpgid(0, 0 [pid 4342] <... exit_group resumed>) = ? [pid 4344] write(3, "1000", 4) = 4 [pid 4344] close(3) = 0 [pid 4344] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4344] write(1, "executing program\n", 18 [pid 4342] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 4346 attached [pid 4343] <... setpgid resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4346 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4346] set_robust_list(0x55556c898760, 24 [pid 4344] <... write resumed>) = 18 [pid 4343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4346] <... set_robust_list resumed>) = 0 executing program [pid 4344] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4343] <... openat resumed>) = 3 [pid 4343] write(3, "1000", 4 [pid 4346] rt_sigprocmask(SIG_SETMASK, [] [pid 4343] <... write resumed>) = 4 [pid 4346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4344] <... mkdirat resumed>) = 0 [pid 4343] close(3 [pid 4346] chdir("./767" [pid 4344] mount(NULL, "./config", "configfs", 0, NULL [pid 4343] <... close resumed>) = 0 [pid 4346] <... chdir resumed>) = 0 [pid 4343] symlink("/dev/binderfs", "./binderfs" executing program [pid 4346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4344] <... mount resumed>) = 0 [pid 4343] <... symlink resumed>) = 0 [pid 4346] setpgid(0, 0 [pid 4343] write(1, "executing program\n", 18 [pid 4346] <... setpgid resumed>) = 0 [pid 4343] <... write resumed>) = 18 [pid 4344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4343] mkdirat(AT_FDCWD, "./config", 0777 [pid 4346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4344] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4346] <... openat resumed>) = 3 [pid 4343] <... mkdirat resumed>) = 0 [pid 4346] write(3, "1000", 4 [pid 4344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4343] mount(NULL, "./config", "configfs", 0, NULL [pid 4346] <... write resumed>) = 4 [pid 4344] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4343] <... mount resumed>) = 0 [pid 4346] close(3 [pid 4343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4346] <... close resumed>) = 0 [pid 4343] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4346] symlink("/dev/binderfs", "./binderfs" [pid 4343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4343] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4346] <... symlink resumed>) = 0 [pid 4344] <... mkdirat resumed>) = 0 [pid 4346] write(1, "executing program\n", 18 [pid 4343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4346] <... write resumed>) = 18 executing program [pid 4346] mkdirat(AT_FDCWD, "./config", 0777 [pid 4344] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4343] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 4345 attached [pid 4343] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4345] set_robust_list(0x55556c898760, 24 [pid 4344] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4343] <... symlinkat resumed>) = 0 [pid 4346] <... mkdirat resumed>) = 0 [pid 4345] <... set_robust_list resumed>) = 0 [pid 4344] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4343] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4346] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4345] rt_sigprocmask(SIG_SETMASK, [] [pid 4344] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4343] <... unlinkat resumed>) = 0 [pid 4346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4343] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4346] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4345] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4344] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4343] <... unlinkat resumed>) = 0 [pid 4346] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4345] chdir("./796" [pid 4344] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4345] <... chdir resumed>) = 0 [pid 4344] exit_group(0 [pid 4343] exit_group(0 [pid 4345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4344] <... exit_group resumed>) = ? [pid 4343] <... exit_group resumed>) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 4346] <... mkdirat resumed>) = 0 [pid 4345] <... prctl resumed>) = 0 [pid 4344] +++ exited with 0 +++ [pid 4345] setpgid(0, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4345] <... setpgid resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4343] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 4346] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4345] <... openat resumed>) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4346] <... symlinkat resumed>) = 0 [pid 4345] write(3, "1000", 4 [pid 4346] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4345] <... write resumed>) = 4 [pid 309] umount2("./814", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./822", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4346] <... unlinkat resumed>) = 0 [pid 4345] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4346] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4345] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./814", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4345] symlink("/dev/binderfs", "./binderfs" [pid 309] <... openat resumed>) = 3 [pid 4346] <... unlinkat resumed>) = 0 [pid 4345] <... symlink resumed>) = 0 [pid 309] fstat(3 [pid 308] openat(AT_FDCWD, "./822", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4346] exit_group(0 [pid 4345] write(1, "executing program\n", 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4346] <... exit_group resumed>) = ? [pid 4345] <... write resumed>) = 18 executing program [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 4345] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4346] +++ exited with 0 +++ [pid 4345] <... mkdirat resumed>) = 0 [pid 309] umount2("./814/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 4345] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4345] <... mount resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./814/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4345] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./814/binderfs" [pid 308] getdents64(3 [pid 4345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4345] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4345] <... mkdirat resumed>) = 0 [pid 309] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./822/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4345] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4345] <... symlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./814/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4345] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./822/binderfs" [pid 4345] <... unlinkat resumed>) = 0 [pid 309] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4345] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./767", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4345] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./814/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4345] exit_group(0 [pid 309] <... openat resumed>) = 4 [pid 308] unlink("./822/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4345] <... exit_group resumed>) = ? [pid 309] fstat(4 [pid 4345] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./767", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 308] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] fstat(3 [pid 309] getdents64(4 [pid 308] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 308] newfstatat(AT_FDCWD, "./822/config" [pid 306] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./814/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./767/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] openat(AT_FDCWD, "./822/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 308] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./767/binderfs" [pid 309] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./814" [pid 308] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] unlink("./767/binderfs" [pid 309] mkdir("./815", 0777 [pid 308] rmdir("./822/config") = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] rmdir("./822" [pid 306] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./823", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4347 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4348 [pid 306] newfstatat(AT_FDCWD, "./767/config" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] umount2("./831", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./767/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./831", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./767/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4347 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] getdents64(3 [pid 306] fstat(4 [pid 4347] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./831/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4347] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./831/binderfs" [pid 306] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./831/binderfs" [pid 4347] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(4 [pid 4347] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4347] chdir("./815" [pid 310] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4347] <... chdir resumed>) = 0 [pid 306] rmdir("./767/config" [pid 310] <... umount2 resumed>) = 0 [pid 4347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4347] setpgid(0, 0) = 0 [pid 4347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./831/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(3 [pid 310] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./767" [pid 4347] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./831/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4347] write(3, "1000", 4) = 4 [pid 4347] close(3) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4347] symlink("/dev/binderfs", "./binderfs" [pid 310] <... openat resumed>) = 4 [pid 306] mkdir("./768", 0777 [pid 310] fstat(4 [pid 4347] <... symlink resumed>) = 0 [pid 4347] write(1, "executing program\n", 18) = 18 [pid 4347] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4348 attached [pid 4347] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4347] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] close(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4349 [pid 4347] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4347] <... symlinkat resumed>) = 0 [pid 310] rmdir("./831/config" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4347] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4347] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4347] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 307] umount2("./796", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./796", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(3 [pid 4347] <... exit_group resumed>) = ? [pid 307] <... openat resumed>) = 3 [pid 4348] set_robust_list(0x55556c898760, 24 [pid 4347] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 307] fstat(3 [pid 310] rmdir("./831" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4349 attached [pid 4349] set_robust_list(0x55556c898760, 24) = 0 [pid 4349] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(3 [pid 310] mkdir("./832", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4349] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4349] chdir("./768") = 0 [pid 4349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4349] setpgid(0, 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] umount2("./796/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./796/binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4349] <... openat resumed>) = 3 [pid 4349] write(3, "1000", 4) = 4 [pid 4349] close(3) = 0 [pid 4349] symlink("/dev/binderfs", "./binderfs" [pid 307] unlink("./796/binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4350 [pid 307] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4349] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4349] write(1, "executing program\n", 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4349] <... write resumed>) = 18 [pid 307] newfstatat(AT_FDCWD, "./796/config" executing program [pid 4349] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4349] <... mkdirat resumed>) = 0 [pid 4348] <... set_robust_list resumed>) = 0 [pid 307] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4349] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4349] <... mount resumed>) = 0 [pid 307] openat(AT_FDCWD, "./796/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... openat resumed>) = 4 [pid 4349] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] fstat(4 [pid 4349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4349] <... mkdirat resumed>) = 0 [pid 4348] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4350 attached , 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4350] set_robust_list(0x55556c898760, 24 [pid 307] getdents64(4 [pid 4350] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 4350] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] rmdir("./796/config" [pid 4350] chdir("./832") = 0 [pid 4350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4350] setpgid(0, 0 [pid 307] getdents64(3 [pid 4350] <... setpgid resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 4350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rmdir("./796" [pid 4350] <... openat resumed>) = 3 [pid 4350] write(3, "1000", 4) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 4349] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4348] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] mkdir("./797", 0777 [pid 4350] close(3) = 0 [pid 4350] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4350] write(1, "executing program\n", 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4348] chdir("./823" [pid 309] umount2("./815", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4350] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4348] <... chdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./815", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4350] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4350] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4351 [pid 4348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] fstat(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4348] <... prctl resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4349] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 4348] setpgid(0, 0 [pid 4349] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4348] <... setpgid resumed>) = 0 [pid 309] umount2("./815/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4349] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./815/binderfs" [pid 4350] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4349] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] unlink("./815/binderfs" [pid 4350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 4350] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4348] <... openat resumed>) = 3 [pid 309] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4348] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = 0 [pid 4348] <... write resumed>) = 4 executing program [pid 309] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4350] <... mkdirat resumed>) = 0 [pid 4348] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4350] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] newfstatat(AT_FDCWD, "./815/config" [pid 4349] <... unlinkat resumed>) = 0 [pid 4348] <... close resumed>) = 0 [pid 4350] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4348] symlink("/dev/binderfs", "./binderfs" [pid 4349] exit_group(0 [pid 309] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4350] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4350] <... unlinkat resumed>) = 0 [pid 4349] <... exit_group resumed>) = ? [pid 4348] <... symlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./815/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4350] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4348] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 4 [pid 4348] <... write resumed>) = 18 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4350] <... unlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 4350] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 4348] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(4 [pid 4350] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4350] +++ exited with 0 +++ [pid 4348] <... mkdirat resumed>) = 0 [pid 309] close(4ci2-android-6-1/strace-static-x86_64: Process 4351 attached ) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4348] mount(NULL, "./config", "configfs", 0, NULL [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./815/config" [pid 4351] set_robust_list(0x55556c898760, 24) = 0 [pid 4351] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 4351] chdir("./797" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 4348] <... mount resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rmdir("./815" [pid 4351] <... chdir resumed>) = 0 [pid 4351] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4351] setpgid(0, 0) = 0 [pid 4351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 4348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] mkdir("./816", 0777 [pid 4351] <... openat resumed>) = 3 [pid 4351] write(3, "1000", 4) = 4 [pid 4351] close(3) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4351] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4351] write(1, "executing program\n", 18) = 18 [pid 4351] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 4348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4351] <... mkdirat resumed>) = 0 [pid 4348] <... mkdirat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4352 [pid 4351] mount(NULL, "./config", "configfs", 0, NULL [pid 4348] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4351] <... mount resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4349] +++ exited with 0 +++ [pid 310] umount2("./832", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4348] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4348] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./832", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 3 [pid 4351] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 4348] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4348] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 4351] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4351] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./832/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4351] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4348] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4351] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./832/binderfs" [pid 4348] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4348] <... exit_group resumed>) = ? [pid 310] unlink("./832/binderfs" [pid 4351] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... unlink resumed>) = 0 [pid 4351] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4351] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4351] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4348] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./832/config" [pid 4351] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./832/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./823", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4351] +++ exited with 0 +++ [pid 310] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./823", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4352 attached [pid 310] close(4 [pid 308] getdents64(3 [pid 4352] set_robust_list(0x55556c898760, 24 [pid 310] <... close resumed>) = 0 [pid 4352] <... set_robust_list resumed>) = 0 [pid 310] rmdir("./832/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4352] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4352] chdir("./816" [pid 310] <... rmdir resumed>) = 0 [pid 308] umount2("./823/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./823/binderfs" [pid 310] close(3 [pid 4352] <... chdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 308] unlink("./823/binderfs" [pid 310] rmdir("./832" [pid 4352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4352] setpgid(0, 0 [pid 308] <... unlink resumed>) = 0 [pid 4352] <... setpgid resumed>) = 0 executing program [pid 4352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 308] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 310] mkdir("./833", 0777 [pid 4352] write(3, "1000", 4 [pid 308] <... umount2 resumed>) = 0 [pid 4352] <... write resumed>) = 4 [pid 4352] close(3) = 0 [pid 4352] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4352] write(1, "executing program\n", 18 [pid 310] <... mkdir resumed>) = 0 [pid 4352] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./797", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4352] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] newfstatat(AT_FDCWD, "./823/config" [pid 307] openat(AT_FDCWD, "./797", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4353 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 3 [pid 4352] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./823/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 4352] <... mount resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(4 [pid 307] umount2("./797/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./797/binderfs" [pid 4352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4352] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 307] unlink("./797/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] close(4 [pid 307] <... unlink resumed>) = 0 [pid 4352] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... close resumed>) = 0 [pid 307] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./823/config" [pid 4352] <... symlinkat resumed>) = 0 [pid 4352] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4352] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 308] getdents64(3 [pid 4352] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 308] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4352] exit_group(0 [pid 308] <... close resumed>) = 0 [pid 4352] <... exit_group resumed>) = ? [pid 307] newfstatat(AT_FDCWD, "./797/config" [pid 308] rmdir("./823" [pid 306] umount2("./768", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4352] +++ exited with 0 +++ [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4353 attached [pid 4353] set_robust_list(0x55556c898760, 24 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] mkdir("./824", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./768", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4353] <... set_robust_list resumed>) = 0 [pid 4353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4353] chdir("./833" [pid 308] <... mkdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./797/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(4 [pid 306] fstat(3 [pid 4353] <... chdir resumed>) = 0 [pid 4353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4353] setpgid(0, 0) = 0 [pid 4353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4353] write(3, "1000", 4) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4354 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 4353] close(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4353] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./816", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 306] umount2("./768/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./816", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4353] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... openat resumed>) = 3 [pid 307] rmdir("./797/config" [pid 306] newfstatat(AT_FDCWD, "./768/binderfs" [pid 309] fstat(3 [pid 4353] write(1, "executing program\n", 18) = 18 executing program [pid 4353] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 306] unlink("./768/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4353] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] umount2("./816/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 309] newfstatat(AT_FDCWD, "./816/binderfs" [pid 306] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4353] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = 0 [pid 309] unlink("./816/binderfs" [pid 307] rmdir("./797" [pid 306] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 4353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./798", 0777 [pid 306] newfstatat(AT_FDCWD, "./768/config" [pid 4353] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4353] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./768/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./816/config" [pid 4353] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4353] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 4355 attached [pid 4353] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./768/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4354 attached [pid 309] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4355 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./816/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(4 [pid 309] <... openat resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 309] getdents64(4 [pid 4354] set_robust_list(0x55556c898760, 24 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4354] <... set_robust_list resumed>) = 0 [pid 4354] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 309] getdents64(4 [pid 4354] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 306] close(4 [pid 4354] chdir("./824") = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 309] rmdir("./816/config" [pid 306] rmdir("./768/config" [pid 4354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4354] setpgid(0, 0) = 0 [pid 4354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4354] write(3, "1000", 4) = 4 [pid 4354] close(3) = 0 [pid 4354] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4354] write(1, "executing program\n", 18) = 18 [pid 4354] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(3 [pid 306] <... rmdir resumed>) = 0 executing program [pid 4355] set_robust_list(0x55556c898760, 24 [pid 4354] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 310] umount2("./833", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4354] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] openat(AT_FDCWD, "./833", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 306] close(3 [pid 4354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 309] rmdir("./816" [pid 306] <... close resumed>) = 0 [pid 310] fstat(3 [pid 4354] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] rmdir("./768" [pid 310] getdents64(3 [pid 309] mkdir("./817", 0777 [pid 4354] <... mkdirat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] mkdir("./769", 0777 [pid 4354] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4354] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] umount2("./833/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 4354] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./833/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./833/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4354] exit_group(0) = ? [pid 4354] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4356 attached [pid 4356] set_robust_list(0x55556c898760, 24) = 0 [pid 4356] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4356] chdir("./769" [pid 310] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4356 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4357 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./833/config"ci2-android-6-1/strace-static-x86_64: Process 4357 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4357] set_robust_list(0x55556c898760, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4357] <... set_robust_list resumed>) = 0 [pid 310] openat(AT_FDCWD, "./833/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4357] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] getdents64(4 [pid 4357] chdir("./817" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./824", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./824", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(4 [pid 4357] <... chdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 308] fstat(3 [pid 310] rmdir("./833/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4356] <... chdir resumed>) = 0 [pid 4355] <... set_robust_list resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./824/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./824/binderfs" [pid 4357] <... prctl resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./833" [pid 308] unlink("./824/binderfs" [pid 4357] setpgid(0, 0) = 0 [pid 4355] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 4357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] mkdir("./834", 0777 [pid 308] <... unlink resumed>) = 0 [pid 4356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4356] setpgid(0, 0) = 0 [pid 4356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4355] chdir("./798" [pid 4357] <... openat resumed>) = 3 [pid 4355] <... chdir resumed>) = 0 [pid 4356] <... openat resumed>) = 3 [pid 4355] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4355] setpgid(0, 0) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4358 [pid 308] newfstatat(AT_FDCWD, "./824/config" [pid 4355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4357] write(3, "1000", 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4357] <... write resumed>) = 4 [pid 308] openat(AT_FDCWD, "./824/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4357] close(3 [pid 308] <... openat resumed>) = 4 [pid 4356] write(3, "1000", 4 [pid 308] fstat(4 [pid 4357] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4356] <... write resumed>) = 4 [pid 308] getdents64(4 [pid 4355] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4357] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(4 [pid 4356] close(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4357] <... symlink resumed>) = 0 [pid 308] close(4 [pid 4356] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./824/config" [pid 4356] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 4355] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4355] <... write resumed>) = 4 [pid 308] close(3 [pid 4355] close(3 [pid 308] <... close resumed>) = 0 [pid 4355] <... close resumed>) = 0 [pid 308] rmdir("./824" [pid 4355] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4357] write(1, "executing program\n", 18 [pid 308] <... rmdir resumed>) = 0 [pid 4357] <... write resumed>) = 18 executing program [pid 308] mkdir("./825", 0777 [pid 4357] mkdirat(AT_FDCWD, "./config", 0777 [pid 4356] write(1, "executing program\n", 18) = 18 executing program [pid 4356] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4358 attached [pid 4357] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4358] set_robust_list(0x55556c898760, 24 [pid 4356] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4355] write(1, "executing program\n", 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4355] <... write resumed>) = 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4355] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4356] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4359 [pid 4355] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4356] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4355] <... mount resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4359 attached [pid 4358] <... set_robust_list resumed>) = 0 [pid 4356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4357] mount(NULL, "./config", "configfs", 0, NULL [pid 4356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4355] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4357] <... mount resumed>) = 0 [pid 4356] <... mkdirat resumed>) = 0 [pid 4355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4358] rt_sigprocmask(SIG_SETMASK, [] [pid 4357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4356] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4355] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4356] <... symlinkat resumed>) = 0 [pid 4355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4358] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4356] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4355] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4358] chdir("./834") = 0 [pid 4357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4356] <... unlinkat resumed>) = 0 [pid 4355] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4359] set_robust_list(0x55556c898760, 24 [pid 4358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4356] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4355] <... symlinkat resumed>) = 0 [pid 4357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4356] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4355] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4357] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4356] exit_group(0 [pid 4355] <... unlinkat resumed>) = 0 [pid 4359] <... set_robust_list resumed>) = 0 [pid 4358] <... prctl resumed>) = 0 [pid 4357] <... symlinkat resumed>) = 0 [pid 4356] <... exit_group resumed>) = ? [pid 4355] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4359] rt_sigprocmask(SIG_SETMASK, [] [pid 4358] setpgid(0, 0 [pid 4357] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4356] +++ exited with 0 +++ [pid 4355] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4357] <... unlinkat resumed>) = 0 [pid 4355] exit_group(0 [pid 4357] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4355] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4358] <... setpgid resumed>) = 0 [pid 4357] <... unlinkat resumed>) = 0 [pid 4355] +++ exited with 0 +++ [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4357] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4357] <... exit_group resumed>) = ? [pid 4359] chdir("./825" [pid 4358] <... openat resumed>) = 3 [pid 4357] +++ exited with 0 +++ [pid 4358] write(3, "1000", 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4359] <... chdir resumed>) = 0 [pid 4359] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4359] setpgid(0, 0) = 0 [pid 4359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4358] <... write resumed>) = 4 [pid 4359] <... openat resumed>) = 3 [pid 4358] close(3 [pid 4359] write(3, "1000", 4) = 4 [pid 4359] close(3) = 0 [pid 4359] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4358] <... close resumed>) = 0 [pid 4359] write(1, "executing program\n", 18 [pid 4358] symlink("/dev/binderfs", "./binderfs" [pid 4359] <... write resumed>) = 18 executing program [pid 4359] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4358] <... symlink resumed>) = 0 [pid 4359] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 4358] write(1, "executing program\n", 18 [pid 4359] <... mount resumed>) = 0 [pid 4358] <... write resumed>) = 18 [pid 4359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4358] mkdirat(AT_FDCWD, "./config", 0777 [pid 4359] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4359] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4359] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./798", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4359] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4358] <... mkdirat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./798", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4359] exit_group(0 [pid 4358] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... openat resumed>) = 3 [pid 4359] <... exit_group resumed>) = ? [pid 307] fstat(3 [pid 4359] +++ exited with 0 +++ [pid 4358] <... mount resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] umount2("./798/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] newfstatat(AT_FDCWD, "./798/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./798/binderfs" [pid 4358] <... mkdirat resumed>) = 0 [pid 4358] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4358] <... symlinkat resumed>) = 0 [pid 4358] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] umount2("./825", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 4358] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4358] <... unlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./825", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4358] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4358] <... exit_group resumed>) = ? [pid 308] <... openat resumed>) = 3 [pid 4358] +++ exited with 0 +++ [pid 308] fstat(3 [pid 307] newfstatat(AT_FDCWD, "./798/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./825/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./798/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./825/binderfs" [pid 307] fstat(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./825/binderfs" [pid 309] umount2("./817", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./817", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] fstat(3 [pid 308] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./817/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./817/binderfs" [pid 308] newfstatat(AT_FDCWD, "./825/config" [pid 307] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./769", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./798/config" [pid 309] unlink("./817/binderfs" [pid 308] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] openat(AT_FDCWD, "./769", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = 0 [pid 308] openat(AT_FDCWD, "./825/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 306] fstat(3 [pid 308] fstat(4 [pid 309] newfstatat(AT_FDCWD, "./817/config" [pid 307] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./798" [pid 306] getdents64(3 [pid 309] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./817/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 307] mkdir("./799", 0777 [pid 308] getdents64(4 [pid 306] umount2("./769/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./817/config") = 0 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./817" [pid 308] close(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] newfstatat(AT_FDCWD, "./769/binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] mkdir("./818", 0777 [pid 308] rmdir("./825/config" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./834", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 306] unlink("./769/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4360 [pid 308] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4361 [pid 310] openat(AT_FDCWD, "./834", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... unlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 308] close(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 306] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./825" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4360 attached [pid 4360] set_robust_list(0x55556c898760, 24) = 0 [pid 4360] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 310] umount2("./834/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./769/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./826", 0777 [pid 310] newfstatat(AT_FDCWD, "./834/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4360] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4360] chdir("./818") = 0 [pid 4360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./834/binderfs" [pid 306] umount2("./769/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4360] <... prctl resumed>) = 0 [pid 4360] setpgid(0, 0 [pid 310] <... unlink resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4360] <... setpgid resumed>) = 0 [pid 4360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4360] write(3, "1000", 4) = 4 [pid 4360] close(3 [pid 306] openat(AT_FDCWD, "./769/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4360] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4362 [pid 306] fstat(4 [pid 310] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4360] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./834/config" [pid 306] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./834/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(4 [pid 310] <... openat resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 310] fstat(4 [pid 306] rmdir("./769/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4360] <... symlink resumed>) = 0 [pid 4360] write(1, "executing program\n", 18) = 18 [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(4 executing program [pid 306] getdents64(3 [pid 4360] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4361 attached [pid 4360] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 306] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4360] mount(NULL, "./config", "configfs", 0, NULL [pid 310] close(4 [pid 306] <... close resumed>) = 0 [pid 4360] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] rmdir("./769" [pid 310] rmdir("./834/config" [pid 4360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 306] mkdir("./770", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4360] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4360] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] close(3 [pid 306] <... mkdir resumed>) = 0 [pid 4360] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./834" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4360] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] mkdir("./835", 0777 [pid 4360] exit_group(0) = ? [pid 4360] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4362 attached [pid 310] <... mkdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4363 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4362] set_robust_list(0x55556c898760, 24 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4362] <... set_robust_list resumed>) = 0 [pid 4362] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4362] chdir("./826") = 0 [pid 4362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4362] setpgid(0, 0) = 0 [pid 4362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4364 [pid 4362] write(3, "1000", 4) = 4 [pid 4362] close(3) = 0 [pid 4362] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4361] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4362] write(1, "executing program\n", 18) = 18 executing program [pid 4362] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4363 attached ) = 0 [pid 4361] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4362] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4361] rt_sigprocmask(SIG_SETMASK, [] [pid 4362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4361] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4362] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4362] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4362] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4361] chdir("./799" [pid 4362] exit_group(0) = ? [pid 4361] <... chdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 309] umount2("./818", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./818", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./818/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4361] <... prctl resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./818/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./818/binderfs" [pid 4363] set_robust_list(0x55556c898760, 24 [pid 4361] setpgid(0, 0 [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4361] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4363] <... set_robust_list resumed>) = 0 [pid 309] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./818/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./818/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 4361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./818/config") = 0 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./818") = 0 [pid 4361] <... openat resumed>) = 3 [pid 309] mkdir("./819", 0777 [pid 4363] rt_sigprocmask(SIG_SETMASK, [] [pid 4361] write(3, "1000", 4 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4361] <... write resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4365 attached [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4365 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4365] set_robust_list(0x55556c898760, 24 [pid 4363] chdir("./770" [pid 4362] +++ exited with 0 +++ [pid 4361] close(3ci2-android-6-1/strace-static-x86_64: Process 4364 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4361] <... close resumed>) = 0 [pid 4364] set_robust_list(0x55556c898760, 24 [pid 4361] symlink("/dev/binderfs", "./binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4364] <... set_robust_list resumed>) = 0 [pid 4364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4361] <... symlink resumed>) = 0 [pid 4364] chdir("./835") = 0 [pid 4364] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4364] setpgid(0, 0) = 0 [pid 4364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4365] <... set_robust_list resumed>) = 0 [pid 4364] <... openat resumed>) = 3 [pid 4363] <... chdir resumed>) = 0 [pid 4361] write(1, "executing program\n", 18 [pid 4364] write(3, "1000", 4) = 4 [pid 4364] close(3) = 0 [pid 4364] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4361] <... write resumed>) = 18 executing program [pid 4363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4364] write(1, "executing program\n", 18) = 18 executing program [pid 4364] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4363] <... prctl resumed>) = 0 [pid 4361] mkdirat(AT_FDCWD, "./config", 0777 [pid 4364] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4361] <... mkdirat resumed>) = 0 [pid 4364] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4363] setpgid(0, 0 [pid 4361] mount(NULL, "./config", "configfs", 0, NULL [pid 4364] <... symlinkat resumed>) = 0 [pid 4363] <... setpgid resumed>) = 0 [pid 4361] <... mount resumed>) = 0 [pid 4364] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4364] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4361] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4364] exit_group(0) = ? [pid 4365] rt_sigprocmask(SIG_SETMASK, [] [pid 4364] +++ exited with 0 +++ [pid 4363] <... openat resumed>) = 3 [pid 4361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4365] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4363] write(3, "1000", 4 [pid 4361] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4365] chdir("./819") = 0 [pid 4363] <... write resumed>) = 4 [pid 4361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... restart_syscall resumed>) = 0 [pid 4365] <... prctl resumed>) = 0 [pid 4365] setpgid(0, 0) = 0 [pid 4365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4363] close(3 [pid 4361] <... mkdirat resumed>) = 0 [pid 310] umount2("./835", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4363] <... close resumed>) = 0 [pid 4361] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4365] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./835", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4365] <... write resumed>) = 4 [pid 4365] close(3 [pid 310] <... openat resumed>) = 3 [pid 4363] symlink("/dev/binderfs", "./binderfs" [pid 4361] <... symlinkat resumed>) = 0 [pid 310] fstat(3 [pid 4361] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4365] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 4365] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4363] <... symlink resumed>) = 0 [pid 4361] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4363] write(1, "executing program\n", 18 [pid 4361] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./835/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4365] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4365] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./835/binderfs" [pid 4363] <... write resumed>) = 18 [pid 4361] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4365] mkdirat(AT_FDCWD, "./config", 0777 [pid 4361] exit_group(0 [pid 310] unlink("./835/binderfs" [pid 4363] mkdirat(AT_FDCWD, "./config", 0777 [pid 4365] <... mkdirat resumed>) = 0 [pid 4361] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4365] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4365] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./835/config" [pid 4365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4365] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4361] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./835/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] fstat(4 [pid 4365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4363] <... mkdirat resumed>) = 0 executing program executing program [pid 310] getdents64(4 [pid 4365] <... mkdirat resumed>) = 0 [pid 4363] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4365] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 4365] <... symlinkat resumed>) = 0 [pid 4363] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4365] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] close(4 [pid 4365] <... unlinkat resumed>) = 0 [pid 4363] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 4365] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./835/config" [pid 4365] <... unlinkat resumed>) = 0 [pid 4365] exit_group(0) = ? [pid 4365] +++ exited with 0 +++ [pid 4363] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 4363] <... mkdirat resumed>) = 0 [pid 308] umount2("./826", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 4363] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rmdir("./835" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./826", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4363] <... symlinkat resumed>) = 0 [pid 4363] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] umount2("./819", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./836", 0777 [pid 308] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4363] <... unlinkat resumed>) = 0 [pid 4363] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./819", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4363] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 309] fstat(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4363] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4363] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 308] umount2("./826/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4366 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] newfstatat(AT_FDCWD, "./826/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./819/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4366 attached [pid 4366] set_robust_list(0x55556c898760, 24 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./826/binderfs" [pid 309] newfstatat(AT_FDCWD, "./819/binderfs" [pid 4366] <... set_robust_list resumed>) = 0 [pid 4366] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./819/binderfs" [pid 306] <... restart_syscall resumed>) = 0 [pid 4366] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4366] chdir("./836" [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 4366] <... chdir resumed>) = 0 [pid 308] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 306] umount2("./770", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./826/config" [pid 309] newfstatat(AT_FDCWD, "./819/config" [pid 306] openat(AT_FDCWD, "./770", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 308] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./819/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./826/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 309] <... openat resumed>) = 4 [pid 4366] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 306] umount2("./770/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./770/binderfs" [pid 308] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4366] setpgid(0, 0 [pid 308] getdents64(4 [pid 306] unlink("./770/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4366] <... setpgid resumed>) = 0 [pid 4366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] close(4 [pid 308] close(4 [pid 306] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4366] <... openat resumed>) = 3 [pid 309] rmdir("./819/config" [pid 308] <... close resumed>) = 0 [pid 306] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4366] write(3, "1000", 4) = 4 [pid 4366] close(3) = 0 [pid 4366] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./826/config" [pid 309] getdents64(3 [pid 4366] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 308] getdents64(3 [pid 309] close(3 [pid 306] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./819" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 4366] write(1, "executing program\n", 18) = 18 [pid 4366] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./770/config" [pid 309] mkdir("./820", 0777 [pid 308] rmdir("./826" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4366] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] umount2("./770/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4366] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./827", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] openat(AT_FDCWD, "./770/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4366] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 executing program [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./799", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 4366] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./799", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4366] <... symlinkat resumed>) = 0 [pid 4366] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4366] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4366] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4367 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 4366] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4366] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4368 [pid 307] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4367 attached [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./799/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./770/config" [pid 307] newfstatat(AT_FDCWD, "./799/binderfs" [pid 4367] set_robust_list(0x55556c898760, 24) = 0 [pid 4367] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] unlink("./799/binderfs" [pid 306] getdents64(3 [pid 4367] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4367] chdir("./820" [pid 307] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 4367] <... chdir resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 307] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./770" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4367] setpgid(0, 0) = 0 [pid 4367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 4368 attached ) = 3 [pid 307] newfstatat(AT_FDCWD, "./799/config" [pid 306] <... rmdir resumed>) = 0 [pid 4367] write(3, "1000", 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] mkdir("./771", 0777 [pid 4367] <... write resumed>) = 4 [pid 307] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4367] close(3) = 0 [pid 4367] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./799/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4367] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4367] <... write resumed>) = 18 [pid 4367] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 4367] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] getdents64(4 [pid 4367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4369 [pid 4367] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(4 [pid 4367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4367] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] rmdir("./799/config" [pid 4367] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4367] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4367] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rmdir resumed>) = 0 [pid 310] umount2("./836", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./836", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(3 [pid 4367] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 310] fstat(3 [pid 307] rmdir("./799" [pid 4367] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4367] <... exit_group resumed>) = ? [pid 4368] set_robust_list(0x55556c898760, 24 [pid 4367] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4369 attached [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] mkdir("./800", 0777 [pid 310] umount2("./836/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4369] set_robust_list(0x55556c898760, 24) = 0 [pid 4369] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4369] chdir("./771" [pid 307] <... mkdir resumed>) = 0 [pid 4369] <... chdir resumed>) = 0 [pid 4369] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4369] setpgid(0, 0) = 0 [pid 4369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./836/binderfs" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] unlink("./836/binderfs" [pid 4369] <... openat resumed>) = 3 [pid 4369] write(3, "1000", 4) = 4 [pid 4369] close(3) = 0 [pid 4369] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4369] write(1, "executing program\n", 18) = 18 [pid 4369] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4370 [pid 310] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 4369] <... mkdirat resumed>) = 0 [pid 4368] <... set_robust_list resumed>) = 0 [pid 310] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4369] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4369] <... mount resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./836/config" [pid 4369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4368] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4369] <... mkdirat resumed>) = 0 [pid 4368] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./836/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4370 attached [pid 4370] set_robust_list(0x55556c898760, 24 [pid 310] <... openat resumed>) = 4 [pid 4370] <... set_robust_list resumed>) = 0 [pid 310] fstat(4 [pid 4368] chdir("./827" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 4369] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4368] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(4 [pid 4368] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4370] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(4 [pid 4368] setpgid(0, 0 [pid 4369] <... symlinkat resumed>) = 0 [pid 4368] <... setpgid resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./836/config" [pid 4370] chdir("./800") = 0 [pid 4370] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4370] setpgid(0, 0 [pid 4368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 4369] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4370] <... setpgid resumed>) = 0 [pid 310] close(3) = 0 [pid 4368] <... openat resumed>) = 3 [pid 310] rmdir("./836" [pid 4369] <... unlinkat resumed>) = 0 [pid 4370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4370] write(3, "1000", 4 [pid 4368] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 4369] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... restart_syscall resumed>) = 0 [pid 4368] <... write resumed>) = 4 [pid 310] mkdir("./837", 0777 [pid 4370] <... write resumed>) = 4 [pid 4370] close(3) = 0 [pid 4370] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 4370] <... symlink resumed>) = 0 [pid 4370] write(1, "executing program\n", 18) = 18 [pid 4368] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./820", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4368] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./820", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4370] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4370] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... openat resumed>) = 3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4371 [pid 4368] symlink("/dev/binderfs", "./binderfs" [pid 309] fstat(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 4370] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./820/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4368] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4368] write(1, "executing program\n", 18 [pid 309] newfstatat(AT_FDCWD, "./820/binderfs" [pid 4370] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4369] <... unlinkat resumed>) = 0 [pid 4368] <... write resumed>) = 18 executing program executing program [pid 309] unlink("./820/binderfs" [pid 4370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 4370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4368] mkdirat(AT_FDCWD, "./config", 0777 [pid 4369] exit_group(0 [pid 309] <... umount2 resumed>) = 0 [pid 4369] <... exit_group resumed>) = ? [pid 309] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4370] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4369] +++ exited with 0 +++ [pid 4368] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./820/config" [pid 4368] mount(NULL, "./config", "configfs", 0, NULL [pid 4370] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4368] <... mount resumed>) = 0 [pid 309] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4370] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 309] openat(AT_FDCWD, "./820/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4368] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 4370] <... unlinkat resumed>) = 0 [pid 4368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] fstat(4 [pid 4370] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4368] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./771", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 4368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4370] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] openat(AT_FDCWD, "./771", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 4370] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 3 [pid 4368] <... mkdirat resumed>) = 0 [pid 309] close(4 [pid 306] fstat(3 [pid 4370] <... exit_group resumed>) = ? [pid 309] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4368] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rmdir("./820/config" [pid 306] getdents64(3 [pid 4370] +++ exited with 0 +++ [pid 4368] <... symlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4368] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4370, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./771/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4371 attached [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 306] newfstatat(AT_FDCWD, "./771/binderfs" [pid 4371] set_robust_list(0x55556c898760, 24 [pid 309] <... close resumed>) = 0 [pid 4368] <... unlinkat resumed>) = 0 [pid 309] rmdir("./820" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4371] <... set_robust_list resumed>) = 0 [pid 4371] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4371] chdir("./837" [pid 4368] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rmdir resumed>) = 0 [pid 306] unlink("./771/binderfs" [pid 309] mkdir("./821", 0777 [pid 4371] <... chdir resumed>) = 0 [pid 4371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... unlink resumed>) = 0 [pid 4371] <... prctl resumed>) = 0 [pid 4371] setpgid(0, 0) = 0 [pid 4371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 306] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4371] write(3, "1000", 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4368] <... unlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4371] <... write resumed>) = 4 [pid 4371] close(3) = 0 [pid 4371] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4371] write(1, "executing program\n", 18) = 18 [pid 4371] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4372 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4368] exit_group(0 [pid 4371] <... mkdirat resumed>) = 0 [pid 4368] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./771/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4371] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4371] <... mount resumed>) = 0 [pid 306] umount2("./771/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./800", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./771/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./800", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 4 [pid 4371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... openat resumed>) = 3 [pid 306] fstat(4 [pid 307] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 307] getdents64(3 [pid 4371] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(4 [pid 307] umount2("./800/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 307] newfstatat(AT_FDCWD, "./800/binderfs" [pid 306] <... close resumed>) = 0 [pid 4371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./771/config" [pid 307] unlink("./800/binderfs" [pid 4371] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4371] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 307] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4371] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] close(3 [pid 307] <... umount2 resumed>) = 0 [pid 4371] <... symlinkat resumed>) = 0 [pid 4368] +++ exited with 0 +++ [pid 307] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./800/config" [pid 306] rmdir("./771" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4371] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4371] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... rmdir resumed>) = 0 [pid 307] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./772", 0777 [pid 4371] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4371] exit_group(0) = ? [pid 4371] +++ exited with 0 +++ [pid 307] openat(AT_FDCWD, "./800/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4372 attached [pid 308] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4371, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... openat resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4372] set_robust_list(0x55556c898760, 24 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4372] <... set_robust_list resumed>) = 0 [pid 308] umount2("./827", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./827", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4372] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4373 attached [pid 308] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4373 [pid 4372] chdir("./821" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4373] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./837", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] close(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4373] <... set_robust_list resumed>) = 0 [pid 4372] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 308] umount2("./827/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4373] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./837", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./800/config" [pid 4372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./827/binderfs" [pid 4372] <... prctl resumed>) = 0 [pid 4372] setpgid(0, 0) = 0 [pid 4372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 307] <... rmdir resumed>) = 0 [pid 4373] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./827/binderfs" [pid 307] getdents64(3 [pid 310] getdents64(3 [pid 4372] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4373] chdir("./772" [pid 310] umount2("./837/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 310] newfstatat(AT_FDCWD, "./837/binderfs" [pid 307] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./800" [pid 310] unlink("./837/binderfs" [pid 4373] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4372] write(3, "1000", 4) = 4 [pid 4372] close(3) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4372] symlink("/dev/binderfs", "./binderfs" [pid 4373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4372] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./827/config" [pid 307] mkdir("./801", 0777 [pid 4373] <... prctl resumed>) = 0 [pid 310] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4372] write(1, "executing program\n", 18) = 18 [pid 4372] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4373] setpgid(0, 0 [pid 4372] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... mkdir resumed>) = 0 [pid 310] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4373] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./827/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./837/config" [pid 308] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 4372] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4372] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4372] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./837/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4374 [pid 310] <... openat resumed>) = 4 [pid 4372] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4373] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4373] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] close(4 [pid 4373] <... write resumed>) = 4 [pid 310] getdents64(4 [pid 4373] close(3 [pid 308] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./827/config" [pid 310] close(4 [pid 4373] <... close resumed>) = 0 [pid 4372] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4372] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4373] symlink("/dev/binderfs", "./binderfs" [pid 4372] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] rmdir("./837/config" [pid 308] getdents64(3 [pid 4372] exit_group(0) = ? [pid 4373] <... symlink resumed>) = 0 [pid 4372] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program executing program [pid 4373] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 308] close(3ci2-android-6-1/strace-static-x86_64: Process 4374 attached [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4372, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... close resumed>) = 0 [pid 310] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rmdir("./827" [pid 4373] <... write resumed>) = 18 [pid 310] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4374] set_robust_list(0x55556c898760, 24) = 0 [pid 4374] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./837" [pid 308] <... rmdir resumed>) = 0 [pid 4374] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4374] chdir("./801") = 0 [pid 4374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 4374] <... prctl resumed>) = 0 [pid 310] mkdir("./838", 0777 [pid 4373] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] mkdir("./828", 0777 [pid 4374] setpgid(0, 0) = 0 [pid 4374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./821", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4374] write(3, "1000", 4) = 4 [pid 4374] close(3) = 0 [pid 4374] symlink("/dev/binderfs", "./binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./821", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4374] <... symlink resumed>) = 0 [pid 4374] write(1, "executing program\n", 18) = 18 [pid 4374] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] fstat(3 [pid 4374] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4375 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4376 [pid 4374] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4374] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./821/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4374] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4373] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./821/binderfs" [pid 4374] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4373] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4374] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] unlink("./821/binderfs" [pid 4374] <... mkdirat resumed>) = 0 [pid 4373] <... mount resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 4374] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4374] <... symlinkat resumed>) = 0 [pid 4373] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 4373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4374] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4373] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./821/config" [pid 4374] <... unlinkat resumed>) = 0 [pid 4373] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4374] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4373] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4374] <... unlinkat resumed>) = 0 [pid 4373] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./821/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4374] exit_group(0 [pid 309] <... openat resumed>) = 4 [pid 4373] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] fstat(4 [pid 4374] <... exit_group resumed>) = ? [pid 4373] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4374] +++ exited with 0 +++ [pid 4373] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] getdents64(4 [pid 4373] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-6-1/strace-static-x86_64: Process 4375 attached [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4374, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4373] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] getdents64(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4375] set_robust_list(0x55556c898760, 24 [pid 4373] exit_group(0 [pid 309] close(4 [pid 4375] <... set_robust_list resumed>) = 0 [pid 4373] <... exit_group resumed>) = ? [pid 309] <... close resumed>) = 0 [pid 4375] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./821/config" [pid 4375] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4375] chdir("./838") = 0 [pid 4375] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4375] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4376 attached [pid 4375] <... setpgid resumed>) = 0 [pid 309] getdents64(3 [pid 4376] set_robust_list(0x55556c898760, 24 [pid 4375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4376] <... set_robust_list resumed>) = 0 [pid 4375] <... openat resumed>) = 3 [pid 4373] +++ exited with 0 +++ [pid 309] close(3 [pid 4376] rt_sigprocmask(SIG_SETMASK, [] [pid 4375] write(3, "1000", 4 [pid 309] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4373, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./821" [pid 4376] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4375] <... write resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4376] chdir("./828" [pid 4375] close(3 [pid 4376] <... chdir resumed>) = 0 [pid 4375] <... close resumed>) = 0 [pid 4376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4375] symlink("/dev/binderfs", "./binderfs" [pid 4376] <... prctl resumed>) = 0 [pid 4375] <... symlink resumed>) = 0 [pid 4376] setpgid(0, 0 [pid 4375] write(1, "executing program\n", 18 [pid 4376] <... setpgid resumed>) = 0 [pid 4375] <... write resumed>) = 18 [pid 309] mkdir("./822", 0777 [pid 4376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4375] mkdirat(AT_FDCWD, "./config", 0777 [pid 4376] <... openat resumed>) = 3 [pid 4375] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4376] write(3, "1000", 4 [pid 4375] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4376] <... write resumed>) = 4 [pid 4375] <... mount resumed>) = 0 executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4376] close(3 [pid 4375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4376] <... close resumed>) = 0 [pid 4375] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4376] symlink("/dev/binderfs", "./binderfs" [pid 4375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4376] <... symlink resumed>) = 0 [pid 4375] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./801", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4376] write(1, "executing program\n", 18 [pid 4375] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4377 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4376] <... write resumed>) = 18 [pid 4375] <... mkdirat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./801", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4376] mkdirat(AT_FDCWD, "./config", 0777 [pid 4375] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 4377 attached [pid 4376] <... mkdirat resumed>) = 0 [pid 4375] <... symlinkat resumed>) = 0 [pid 307] fstat(3 [pid 4376] mount(NULL, "./config", "configfs", 0, NULL [pid 4375] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4376] <... mount resumed>) = 0 [pid 4375] <... unlinkat resumed>) = 0 [pid 307] getdents64(3 [pid 4376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4375] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4376] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4375] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4375] exit_group(0 [pid 307] umount2("./801/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4377] set_robust_list(0x55556c898760, 24 [pid 4376] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4375] <... exit_group resumed>) = ? [pid 4377] <... set_robust_list resumed>) = 0 [pid 4376] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4375] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./801/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4375, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4376] <... mkdirat resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4376] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] unlink("./801/binderfs" [pid 4376] <... symlinkat resumed>) = 0 [pid 4376] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... unlink resumed>) = 0 [pid 4376] <... unlinkat resumed>) = 0 [pid 307] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4376] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4377] rt_sigprocmask(SIG_SETMASK, [] [pid 4376] <... unlinkat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4376] exit_group(0 [pid 307] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4376] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./838", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./801/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./838", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4377] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4376] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 307] openat(AT_FDCWD, "./801/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4376, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... openat resumed>) = 4 [pid 310] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(4 [pid 4377] chdir("./822" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4377] <... chdir resumed>) = 0 [pid 310] umount2("./838/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 4377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./838/binderfs" [pid 307] getdents64(4 [pid 4377] <... prctl resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./838/binderfs" [pid 307] close(4 [pid 4377] setpgid(0, 0) = 0 [pid 4377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./801/config" [pid 4377] <... openat resumed>) = 3 [pid 4377] write(3, "1000", 4) = 4 [pid 4377] close(3) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] umount2("./772", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./838/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./772", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(3 [pid 310] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4377] symlink("/dev/binderfs", "./binderfs" [pid 307] <... close resumed>) = 0 [pid 306] fstat(3 [pid 310] openat(AT_FDCWD, "./838/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rmdir("./801" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4377] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] getdents64(3 [pid 4377] write(1, "executing program\n", 18 [pid 307] <... rmdir resumed>) = 0 [pid 4377] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] fstat(4 [pid 307] mkdir("./802", 0777 [pid 306] umount2("./772/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4377] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] getdents64(4 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4377] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] newfstatat(AT_FDCWD, "./772/binderfs" [pid 310] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] unlink("./772/binderfs" [pid 310] <... close resumed>) = 0 [pid 4377] <... mount resumed>) = 0 [pid 4377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4377] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4377] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... unlink resumed>) = 0 [pid 310] rmdir("./838/config" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4378 [pid 306] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4377] <... symlinkat resumed>) = 0 [pid 4377] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 4377] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 306] <... umount2 resumed>) = 0 [pid 4377] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./772/config" [pid 310] rmdir("./838" [pid 4377] <... unlinkat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4377] exit_group(0) = ? [pid 310] <... rmdir resumed>) = 0 [pid 306] umount2("./772/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./839", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4377] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./772/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 4378 attached [pid 306] <... openat resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4377, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] fstat(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4378] set_robust_list(0x55556c898760, 24) = 0 [pid 4378] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4378] chdir("./802") = 0 [pid 4378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4378] setpgid(0, 0) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4379 [pid 306] getdents64(4 [pid 4378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./822", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 309] openat(AT_FDCWD, "./822", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4378] write(3, "1000", 4 [pid 309] <... openat resumed>) = 3 [pid 306] close(4 [pid 309] fstat(3 [pid 4378] <... write resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./772/config" [pid 309] getdents64(3 [pid 4378] close(3) = 0 [pid 4378] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rmdir resumed>) = 0 [pid 309] umount2("./822/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./822/binderfs" [pid 4378] write(1, "executing program\n", 18) = 18 [pid 4378] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 309] unlink("./822/binderfs" [pid 306] rmdir("./772" [pid 4378] <... mkdirat resumed>) = 0 executing program [pid 309] <... unlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./773", 0777 [pid 4378] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = 0 [pid 4378] <... mount resumed>) = 0 [pid 309] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 4378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./822/config" [pid 4378] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4378] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4378] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4380 [pid 309] openat(AT_FDCWD, "./822/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./828", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4378] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(4 [pid 308] openat(AT_FDCWD, "./828", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 308] fstat(3 [pid 4378] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 308] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4378] <... unlinkat resumed>) = 0 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./828/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./822/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4378] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 4380 attached [pid 4378] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./828/binderfs" [pid 309] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4378, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] unlink("./828/binderfs" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] close(3ci2-android-6-1/strace-static-x86_64: Process 4379 attached [pid 4379] set_robust_list(0x55556c898760, 24 [pid 308] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./822" [pid 4379] <... set_robust_list resumed>) = 0 [pid 4379] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4379] chdir("./839") = 0 [pid 4379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] mkdir("./823", 0777 [pid 308] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4379] <... prctl resumed>) = 0 [pid 4379] setpgid(0, 0) = 0 [pid 4379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4379] write(3, "1000", 4) = 4 [pid 4379] close(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./828/config" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4379] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4379] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4379] write(1, "executing program\n", 18) = 18 executing program [pid 4379] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4380] set_robust_list(0x55556c898760, 24 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4381 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4379] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./828/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... openat resumed>) = 4 [pid 4379] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(4 [pid 4379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4379] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 4379] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4379] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] close(4 [pid 307] umount2("./802", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4379] <... symlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./828/config" [pid 307] openat(AT_FDCWD, "./802", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4379] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4379] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 307] fstat(3 [pid 4379] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 4379] <... exit_group resumed>) = ? [pid 4380] <... set_robust_list resumed>) = 0 [pid 4379] +++ exited with 0 +++ [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 308] rmdir("./828"ci2-android-6-1/strace-static-x86_64: Process 4381 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4379, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4381] set_robust_list(0x55556c898760, 24) = 0 [pid 4381] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./802/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./829", 0777 [pid 4381] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4381] chdir("./823") = 0 [pid 4381] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4381] setpgid(0, 0) = 0 [pid 4381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./802/binderfs" [pid 4381] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./839", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] unlink("./802/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4381] write(3, "1000", 4) = 4 [pid 4381] close(3) = 0 [pid 4381] symlink("/dev/binderfs", "./binderfs" [pid 307] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./839", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 4381] <... symlink resumed>) = 0 [pid 4381] write(1, "executing program\n", 18) = 18 executing program [pid 4381] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] fstat(3 [pid 307] <... umount2 resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4382 [pid 307] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 4381] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4381] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./839/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./802/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./839/binderfs" [pid 307] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4382 attached [pid 4381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4380] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./839/binderfs" [pid 307] openat(AT_FDCWD, "./802/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4381] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4381] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 4381] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 4381] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4381] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./839/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 310] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4381] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 310] openat(AT_FDCWD, "./839/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] rmdir("./802/config" [pid 310] fstat(4 [pid 4381] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4381] exit_group(0 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 310] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4381] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] close(3 [pid 4381] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 4380] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./802" [pid 310] close(4 [pid 4382] set_robust_list(0x55556c898760, 24 [pid 4380] chdir("./773" [pid 307] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] mkdir("./803", 0777 [pid 310] rmdir("./839/config" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4382] <... set_robust_list resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4380] <... chdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] close(3 [pid 4382] rt_sigprocmask(SIG_SETMASK, [] [pid 4380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4382] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4380] <... prctl resumed>) = 0 [pid 4382] chdir("./829" [pid 4380] setpgid(0, 0 [pid 4382] <... chdir resumed>) = 0 [pid 4380] <... setpgid resumed>) = 0 [pid 4382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4383 [pid 310] rmdir("./839" [pid 4382] <... prctl resumed>) = 0 [pid 4380] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4382] setpgid(0, 0 [pid 4380] write(3, "1000", 4 [pid 4382] <... setpgid resumed>) = 0 [pid 4380] <... write resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4380] close(3 [pid 310] mkdir("./840", 0777 [pid 4382] <... openat resumed>) = 3 [pid 4380] <... close resumed>) = 0 [pid 4382] write(3, "1000", 4 [pid 4380] symlink("/dev/binderfs", "./binderfs" [pid 4382] <... write resumed>) = 4 [pid 4380] <... symlink resumed>) = 0 [pid 4382] close(3 [pid 4380] write(1, "executing program\n", 18 [pid 4382] <... close resumed>) = 0 [pid 4380] <... write resumed>) = 18 [pid 4382] symlink("/dev/binderfs", "./binderfs" [pid 4380] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4383 attached [pid 4382] <... symlink resumed>) = 0 [pid 4380] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4382] write(1, "executing program\n", 18 [pid 4380] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4382] <... write resumed>) = 18 [pid 4380] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./823", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4382] mkdirat(AT_FDCWD, "./config", 0777 [pid 4380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4382] <... mkdirat resumed>) = 0 [pid 4380] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4384 [pid 309] openat(AT_FDCWD, "./823", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4382] mount(NULL, "./config", "configfs", 0, NULL [pid 4380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4382] <... mount resumed>) = 0 [pid 4380] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(3 [pid 4382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4380] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4383] set_robust_list(0x55556c898760, 24 [pid 4382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4380] <... mkdirat resumed>) = 0 [pid 309] umount2("./823/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4380] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4380] <... symlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./823/binderfs" [pid 4380] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4380] <... unlinkat resumed>) = 0 [pid 309] unlink("./823/binderfs" [pid 4383] <... set_robust_list resumed>) = 0 [pid 4382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4380] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... unlink resumed>) = 0 [pid 4380] exit_group(0 [pid 309] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4380] <... exit_group resumed>) = ? [pid 4383] rt_sigprocmask(SIG_SETMASK, [] [pid 4382] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4380] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./823/config"ci2-android-6-1/strace-static-x86_64: Process 4384 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4384] set_robust_list(0x55556c898760, 24 [pid 309] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4382] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./823/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4384] <... set_robust_list resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 4384] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4382] <... mkdirat resumed>) = 0 [pid 4384] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 4382] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4384] chdir("./840" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4384] <... chdir resumed>) = 0 [pid 309] getdents64(4 [pid 4384] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4382] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 4384] <... prctl resumed>) = 0 [pid 4382] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(4 [pid 4384] setpgid(0, 0 [pid 309] <... close resumed>) = 0 [pid 4384] <... setpgid resumed>) = 0 [pid 309] rmdir("./823/config" [pid 4382] <... unlinkat resumed>) = 0 [pid 4384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4384] write(3, "1000", 4) = 4 [pid 4384] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4382] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4384] <... close resumed>) = 0 [pid 309] close(3 [pid 4384] symlink("/dev/binderfs", "./binderfs" [pid 309] <... close resumed>) = 0 [pid 306] umount2("./773", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./823" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4384] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./773", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] mkdir("./824", 0777 [pid 306] <... openat resumed>) = 3 [pid 4384] write(1, "executing program\n", 18) = 18 [pid 4384] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4382] <... unlinkat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] fstat(3 [pid 4383] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4382] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4384] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4382] <... exit_group resumed>) = ? [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(3 [pid 4384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4384] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4384] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4384] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4384] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4384] exit_group(0) = ? [pid 4384] +++ exited with 0 +++ [pid 4382] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4385 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4384, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./773/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4382, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./773/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4385 attached , {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4385] set_robust_list(0x55556c898760, 24 [pid 306] unlink("./773/binderfs" [pid 4385] <... set_robust_list resumed>) = 0 [pid 4385] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... unlink resumed>) = 0 [pid 4385] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4385] chdir("./824" [pid 306] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4385] <... chdir resumed>) = 0 [pid 4385] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = 0 [pid 4385] <... prctl resumed>) = 0 [pid 306] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4385] setpgid(0, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4385] <... setpgid resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./773/config" [pid 4385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4383] chdir("./803" [pid 306] umount2("./773/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4385] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4385] write(3, "1000", 4 [pid 306] openat(AT_FDCWD, "./773/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4383] <... chdir resumed>) = 0 [pid 4385] <... write resumed>) = 4 [pid 4383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... openat resumed>) = 4 [pid 4385] close(3 [pid 4383] <... prctl resumed>) = 0 [pid 306] fstat(4 [pid 4385] <... close resumed>) = 0 [pid 4383] setpgid(0, 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4385] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(4 [pid 4383] <... setpgid resumed>) = 0 [pid 4385] <... symlink resumed>) = 0 [pid 4383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4385] write(1, "executing program\n", 18 [pid 306] getdents64(4 [pid 4385] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4385] mkdirat(AT_FDCWD, "./config", 0777 [pid 4383] <... openat resumed>) = 3 executing program [pid 306] close(4 [pid 4385] <... mkdirat resumed>) = 0 [pid 4383] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4383] <... write resumed>) = 4 [pid 306] rmdir("./773/config" [pid 4385] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 4383] close(3 [pid 310] umount2("./840", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./840", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4383] <... close resumed>) = 0 [pid 306] close(3 [pid 4385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 3 [pid 4383] symlink("/dev/binderfs", "./binderfs" [pid 310] fstat(3 [pid 306] <... close resumed>) = 0 [pid 4385] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./773" [pid 310] getdents64(3 [pid 4385] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4385] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] mkdir("./774", 0777 [pid 310] umount2("./840/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4385] <... symlinkat resumed>) = 0 [pid 4385] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./840/binderfs" [pid 4383] <... symlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4383] write(1, "executing program\n", 18 [pid 310] unlink("./840/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4385] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4385] exit_group(0) = ? executing program [pid 4385] +++ exited with 0 +++ [pid 4383] <... write resumed>) = 18 [pid 310] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4386 attached [pid 4386] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4386 [pid 310] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4385, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4383] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./840/config" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./840/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4386] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./829", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./829", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 4386] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 4386] chdir("./774" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(3 [pid 4383] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4383] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 310] close(4 [pid 4386] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... close resumed>) = 0 [pid 308] umount2("./829/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./840/config" [pid 4383] <... mount resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4386] setpgid(0, 0) = 0 [pid 4386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./829/binderfs" [pid 310] getdents64(3 [pid 4386] <... openat resumed>) = 3 [pid 4383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] close(3 [pid 308] unlink("./829/binderfs" [pid 4386] write(3, "1000", 4 [pid 310] <... close resumed>) = 0 [pid 4386] <... write resumed>) = 4 [pid 4386] close(3) = 0 [pid 4386] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4383] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./840" [pid 308] <... unlink resumed>) = 0 [pid 4386] write(1, "executing program\n", 18) = 18 executing program [pid 4386] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4383] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./841", 0777 [pid 4386] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = 0 [pid 4386] <... mount resumed>) = 0 [pid 4386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 308] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./829/config" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4386] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4386] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4383] <... mkdirat resumed>) = 0 [pid 308] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4383] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4387 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4383] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./829/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4383] <... unlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 4383] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] fstat(4 [pid 4386] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4386] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 ENOENT (No such file or directory) [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 4386] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4386] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] getdents64(4 [pid 4383] <... unlinkat resumed>) = 0 [pid 309] umount2("./824", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 309] openat(AT_FDCWD, "./824", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 4386] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... openat resumed>) = 3 [pid 308] rmdir("./829/config" [pid 4383] exit_group(0 [pid 309] fstat(3 [pid 4386] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4386] exit_group(0) = ? [pid 4386] +++ exited with 0 +++ [pid 4383] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4387 attached [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4386, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./824/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./824/binderfs" [pid 308] rmdir("./829" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4387] set_robust_list(0x55556c898760, 24 [pid 308] <... rmdir resumed>) = 0 [pid 309] unlink("./824/binderfs" [pid 308] mkdir("./830", 0777 [pid 4387] <... set_robust_list resumed>) = 0 [pid 4387] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 4387] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4387] chdir("./841") = 0 [pid 4387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4387] setpgid(0, 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4387] <... setpgid resumed>) = 0 [pid 4387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4388 [pid 309] newfstatat(AT_FDCWD, "./824/config" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4383] +++ exited with 0 +++ [pid 309] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4383, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "./824/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4387] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 4 [pid 4387] write(3, "1000", 4 [pid 309] fstat(4 [pid 4387] <... write resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4387] close(3 [pid 309] getdents64(4 [pid 4387] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4387] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./824/config"ci2-android-6-1/strace-static-x86_64: Process 4388 attached ) = 0 [pid 309] getdents64(3 [pid 4387] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4387] write(1, "executing program\n", 18 [pid 309] close(3) = 0 [pid 309] rmdir("./824" [pid 4387] <... write resumed>) = 18 executing program [pid 4388] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./825", 0777 [pid 4387] mkdirat(AT_FDCWD, "./config", 0777 [pid 4388] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./774", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4388] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4388] chdir("./830" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4389 [pid 306] openat(AT_FDCWD, "./774", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./774/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4387] <... mkdirat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./774/binderfs" [pid 4387] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./774/binderfs") = 0 [pid 306] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4387] <... mount resumed>) = 0 [pid 4387] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 4387] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4388] <... chdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./774/config" [pid 4388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4388] <... prctl resumed>) = 0 [pid 306] umount2("./774/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4388] setpgid(0, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./774/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4388] <... setpgid resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 4387] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 4388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./774/config" [pid 4388] <... openat resumed>) = 3 [pid 4388] write(3, "1000", 4) = 4 [pid 4388] close(3) = 0 [pid 4388] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./774" [pid 4388] <... symlink resumed>) = 0 [pid 4388] write(1, "executing program\n", 18) = 18 [pid 4388] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./775", 0777 [pid 4388] <... mkdirat resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 executing program [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4388] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4388] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4390 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4388] <... mkdirat resumed>) = 0 [pid 4388] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4388] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4388] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4387] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4387] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4388] <... unlinkat resumed>) = 0 [pid 4388] exit_group(0) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./803", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./803", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 4388] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./803/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4388, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] newfstatat(AT_FDCWD, "./803/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4389 attached [pid 307] unlink("./803/binderfs" [pid 4389] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4389] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = 0 [pid 4389] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./803/config" [pid 4389] chdir("./825" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4387] <... mkdirat resumed>) = 0 [pid 307] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4389] <... chdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4387] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] openat(AT_FDCWD, "./803/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 4389] <... prctl resumed>) = 0 [pid 4389] setpgid(0, 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./830", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4387] <... symlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 4387] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./830", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 4387] <... unlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4387] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR executing program [pid 308] fstat(3 [pid 307] close(4ci2-android-6-1/strace-static-x86_64: Process 4390 attached [pid 4389] <... setpgid resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4387] <... unlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 307] rmdir("./803/config" [pid 4389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4389] <... openat resumed>) = 3 [pid 4389] write(3, "1000", 4 [pid 307] <... rmdir resumed>) = 0 [pid 308] umount2("./830/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4387] exit_group(0 [pid 307] getdents64(3 [pid 4387] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./830/binderfs" [pid 307] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 308] unlink("./830/binderfs" [pid 307] rmdir("./803" [pid 4389] <... write resumed>) = 4 [pid 4389] close(3 [pid 308] <... unlink resumed>) = 0 [pid 4389] <... close resumed>) = 0 [pid 4389] symlink("/dev/binderfs", "./binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 308] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./804", 0777 [pid 4389] <... symlink resumed>) = 0 [pid 4389] write(1, "executing program\n", 18) = 18 [pid 4389] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./830/config" [pid 4389] <... mkdirat resumed>) = 0 [pid 4389] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4389] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4391 [pid 4389] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./830/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4389] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(4 [pid 4387] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 4391 attached [pid 4389] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4389] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4387, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 4391] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4391] <... set_robust_list resumed>) = 0 [pid 308] close(4 [pid 4390] set_robust_list(0x55556c898760, 24 [pid 308] <... close resumed>) = 0 [pid 4391] rt_sigprocmask(SIG_SETMASK, [] [pid 4389] <... mkdirat resumed>) = 0 [pid 308] rmdir("./830/config" [pid 4391] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4390] <... set_robust_list resumed>) = 0 [pid 4390] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4390] chdir("./775") = 0 [pid 4390] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rmdir resumed>) = 0 [pid 4391] chdir("./804" [pid 4389] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(3 [pid 4390] <... prctl resumed>) = 0 [pid 4390] setpgid(0, 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4390] <... setpgid resumed>) = 0 [pid 308] close(3 [pid 4391] <... chdir resumed>) = 0 [pid 4391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4389] <... symlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4391] <... prctl resumed>) = 0 [pid 4390] <... openat resumed>) = 3 [pid 4389] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rmdir("./830" [pid 4391] setpgid(0, 0 [pid 4390] write(3, "1000", 4) = 4 [pid 4390] close(3) = 0 [pid 4390] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 4391] <... setpgid resumed>) = 0 [pid 308] mkdir("./831", 0777 [pid 4389] <... unlinkat resumed>) = 0 [pid 4390] <... symlink resumed>) = 0 [pid 4390] write(1, "executing program\n", 18 [pid 308] <... mkdir resumed>) = 0 [pid 4391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4390] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4389] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4390] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4391] <... openat resumed>) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4390] <... mkdirat resumed>) = 0 [pid 4390] mount(NULL, "./config", "configfs", 0, NULL executing program executing program [pid 4391] write(3, "1000", 4 [pid 4390] <... mount resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4392 [pid 4389] <... unlinkat resumed>) = 0 [pid 4390] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4391] <... write resumed>) = 4 [pid 4390] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4391] close(3 [pid 4389] exit_group(0 [pid 310] umount2("./841", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4390] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4391] <... close resumed>) = 0 [pid 4389] <... exit_group resumed>) = ? [pid 4391] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./841", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4390] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 4390] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(3 [pid 4391] <... symlink resumed>) = 0 [pid 4390] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4390] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 4391] write(1, "executing program\n", 18) = 18 [pid 4390] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4390] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./841/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4391] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4390] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./841/binderfs" [pid 4390] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4390] <... unlinkat resumed>) = 0 [pid 310] unlink("./841/binderfs" [pid 4389] +++ exited with 0 +++ [pid 4390] exit_group(0) = ? [pid 310] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4389, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4391] <... mkdirat resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4391] mount(NULL, "./config", "configfs", 0, NULL [pid 4390] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./841/config"ci2-android-6-1/strace-static-x86_64: Process 4392 attached [pid 4391] <... mount resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4392] set_robust_list(0x55556c898760, 24 [pid 4391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4392] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./841/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4392] rt_sigprocmask(SIG_SETMASK, [] [pid 4391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 4 [pid 4392] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4391] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(4 [pid 4391] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4392] chdir("./831" [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 4391] <... mkdirat resumed>) = 0 [pid 4392] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4391] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] close(4 [pid 4392] <... prctl resumed>) = 0 [pid 4391] <... symlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4392] setpgid(0, 0 [pid 4391] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rmdir("./841/config" [pid 4392] <... setpgid resumed>) = 0 [pid 4392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4392] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 4392] <... write resumed>) = 4 [pid 310] getdents64(3 [pid 4391] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4391] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(3 [pid 4391] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4392] close(3 [pid 310] rmdir("./841" [pid 4391] exit_group(0 [pid 4392] <... close resumed>) = 0 [pid 4392] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4391] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 4392] write(1, "executing program\n", 18 [pid 310] mkdir("./842", 0777 [pid 4392] <... write resumed>) = 18 [pid 4392] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4392] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4392] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4392] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4392] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... restart_syscall resumed>) = 0 executing program [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4393 [pid 4392] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4392] <... symlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./825", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4391] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4392] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] openat(AT_FDCWD, "./825", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4391, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4392] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] fstat(3 [pid 4392] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4392] <... unlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 4392] exit_group(0) = ? [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./825/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4392] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 4393 attached [pid 4393] set_robust_list(0x55556c898760, 24) = 0 [pid 4393] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4393] chdir("./842" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./825/binderfs" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4392, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./825/binderfs" [pid 4393] <... chdir resumed>) = 0 [pid 4393] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4393] setpgid(0, 0 [pid 309] <... unlink resumed>) = 0 [pid 4393] <... setpgid resumed>) = 0 [pid 4393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4393] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = 0 [pid 4393] write(3, "1000", 4 [pid 309] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4393] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4393] close(3) = 0 [pid 4393] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./825/config" [pid 4393] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4393] write(1, "executing program\n", 18) = 18 executing program [pid 4393] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4393] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 309] openat(AT_FDCWD, "./825/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4393] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... openat resumed>) = 4 [pid 4393] <... mount resumed>) = 0 [pid 309] fstat(4 [pid 4393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./831", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./831", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 4393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] fstat(3 [pid 4393] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./825/config" [pid 308] getdents64(3 [pid 4393] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4393] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4393] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 308] umount2("./831/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 308] newfstatat(AT_FDCWD, "./831/binderfs" [pid 306] umount2("./775", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./825" [pid 308] unlink("./831/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4393] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4393] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./775", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] mkdir("./826", 0777 [pid 308] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 4393] exit_group(0) = ? [pid 309] <... mkdir resumed>) = 0 [pid 306] fstat(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4393] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 4394 attached [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4393, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4394 [pid 308] newfstatat(AT_FDCWD, "./831/config" [pid 306] umount2("./775/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./775/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./831/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] unlink("./775/binderfs" [pid 4394] set_robust_list(0x55556c898760, 24 [pid 308] <... openat resumed>) = 4 [pid 4394] <... set_robust_list resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] fstat(4 [pid 306] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./775/config" [pid 308] close(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./775/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./831/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4394] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4394] chdir("./826") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./775/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 4394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] fstat(4 [pid 4394] <... prctl resumed>) = 0 [pid 308] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 308] rmdir("./831" [pid 4394] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4394] <... setpgid resumed>) = 0 [pid 4394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 4394] write(3, "1000", 4 [pid 308] mkdir("./832", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4394] <... write resumed>) = 4 [pid 4394] close(3) = 0 [pid 4394] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4394] write(1, "executing program\n", 18) = 18 executing program [pid 4394] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 306] close(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rmdir("./775/config" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4394] <... mkdirat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4394] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4394] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4395 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4394] <... mkdirat resumed>) = 0 [pid 306] close(3 [pid 310] umount2("./842", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./804", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./775" [pid 310] openat(AT_FDCWD, "./842", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./804", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] mkdir("./776", 0777 [pid 310] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4394] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4394] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4394] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] getdents64(3 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./842/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./804/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./842/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./804/binderfs" [pid 4394] exit_group(0) = ? [pid 4394] +++ exited with 0 +++ [pid 310] unlink("./842/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4395 attached [pid 310] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4394, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./804/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4396 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4395] set_robust_list(0x55556c898760, 24 [pid 307] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4395] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./842/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./804/config" [pid 4395] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./842/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4395] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./804/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4395] chdir("./832" [pid 310] fstat(4 [pid 307] <... openat resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(4 [pid 310] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4395] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 310] getdents64(4 [pid 4395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 4395] <... prctl resumed>) = 0 [pid 4395] setpgid(0, 0) = 0 [pid 4395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4395] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 307] close(4 [pid 310] rmdir("./842/config" [pid 307] <... close resumed>) = 0 [pid 4395] write(3, "1000", 4) = 4 [pid 4395] close(3) = 0 [pid 4395] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 307] rmdir("./804/config" [pid 310] getdents64(3 [pid 4395] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] close(3 [pid 307] getdents64(3 [pid 4395] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./842" [pid 307] close(3 [pid 4395] <... write resumed>) = 18 [pid 4395] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 executing program [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4396 attached [pid 310] mkdir("./843", 0777 [pid 307] rmdir("./804" [pid 4395] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4395] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 4395] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] mkdir("./805", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4395] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4395] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4395] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... mkdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4395] <... unlinkat resumed>) = 0 [pid 4395] exit_group(0) = ? [pid 4396] set_robust_list(0x55556c898760, 24 [pid 4395] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4397 ci2-android-6-1/strace-static-x86_64: Process 4397 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4395, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./826", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./826", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4397] set_robust_list(0x55556c898760, 24) = 0 [pid 4397] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4397] chdir("./843") = 0 [pid 4397] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4398 [pid 309] fstat(3 [pid 4397] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4397] <... setpgid resumed>) = 0 [pid 309] getdents64(3 [pid 4397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./826/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./826/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./826/binderfs" [pid 4397] <... openat resumed>) = 3 [pid 4397] write(3, "1000", 4) = 4 [pid 309] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4398 attached [pid 4396] <... set_robust_list resumed>) = 0 [pid 309] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 4397] close(3 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4397] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./826/config" [pid 308] umount2("./832", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4397] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./832", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4397] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./826/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(3 [pid 4397] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4397] <... write resumed>) = 18 [pid 4397] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 309] fstat(4 [pid 308] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4397] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4397] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./832/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./832/binderfs" [pid 309] close(4 [pid 4397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 308] unlink("./832/binderfs" [pid 309] rmdir("./826/config" [pid 4397] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... unlink resumed>) = 0 [pid 4397] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4397] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 4397] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] close(3 [pid 308] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./826" [pid 308] newfstatat(AT_FDCWD, "./832/config" [pid 4397] <... symlinkat resumed>) = 0 [pid 4397] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 4397] <... unlinkat resumed>) = 0 [pid 4397] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4397] exit_group(0) = ? [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./827", 0777 [pid 308] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4397] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4396] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4397, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] openat(AT_FDCWD, "./832/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4398] set_robust_list(0x55556c898760, 24 [pid 308] <... openat resumed>) = 4 [pid 4398] <... set_robust_list resumed>) = 0 [pid 4398] rt_sigprocmask(SIG_SETMASK, [] [pid 4396] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4396] chdir("./776" [pid 4398] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4398] chdir("./805" [pid 4396] <... chdir resumed>) = 0 [pid 308] fstat(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4399 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4398] <... chdir resumed>) = 0 [pid 4396] <... prctl resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4396] setpgid(0, 0 [pid 308] getdents64(4 [pid 4398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4396] <... setpgid resumed>) = 0 [pid 308] close(4 [pid 4398] <... prctl resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rmdir("./832/config" [pid 4398] setpgid(0, 0) = 0 [pid 4398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4396] <... openat resumed>) = 3 [pid 4398] <... openat resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 4396] write(3, "1000", 4 [pid 308] getdents64(3 [pid 4398] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4396] <... write resumed>) = 4 [pid 308] close(3 [pid 4398] <... write resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 4396] close(3 [pid 308] rmdir("./832" [pid 4396] <... close resumed>) = 0 [pid 4398] close(3) = 0 [pid 4396] symlink("/dev/binderfs", "./binderfs" [pid 4398] symlink("/dev/binderfs", "./binderfs" [pid 4396] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4399 attached [pid 4398] <... symlink resumed>) = 0 [pid 308] mkdir("./833", 0777 [pid 4396] write(1, "executing program\n", 18 [pid 4398] write(1, "executing program\n", 18) = 18 [pid 4396] <... write resumed>) = 18 [pid 4398] mkdirat(AT_FDCWD, "./config", 0777 executing program executing program [pid 4396] mkdirat(AT_FDCWD, "./config", 0777 [pid 4399] set_robust_list(0x55556c898760, 24 [pid 4398] <... mkdirat resumed>) = 0 [pid 4396] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4396] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4396] <... mount resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4398] mount(NULL, "./config", "configfs", 0, NULL [pid 4396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4398] <... mount resumed>) = 0 [pid 4396] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4398] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4396] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4396] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4398] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4396] <... mkdirat resumed>) = 0 [pid 4398] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4396] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4400 [pid 4398] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4396] <... symlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4398] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4396] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4398] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4396] <... unlinkat resumed>) = 0 [pid 4398] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4396] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4399] <... set_robust_list resumed>) = 0 [pid 4398] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4396] <... unlinkat resumed>) = 0 [pid 4398] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4396] exit_group(0 [pid 4398] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4396] <... exit_group resumed>) = ? [pid 4399] rt_sigprocmask(SIG_SETMASK, [] [pid 4398] exit_group(0 [pid 4396] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 4398] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4396, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4400 attached [pid 4399] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4398] +++ exited with 0 +++ [pid 310] umount2("./843", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4398, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4400] set_robust_list(0x55556c898760, 24 [pid 4399] chdir("./827" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./843", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4400] <... set_robust_list resumed>) = 0 [pid 4400] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./776", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 307] umount2("./805", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./776", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./805", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 4400] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./843/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./843/binderfs" [pid 307] getdents64(3 [pid 4400] chdir("./833") = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./776/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./805/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./843/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4400] <... prctl resumed>) = 0 [pid 4400] setpgid(0, 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./805/binderfs" [pid 306] newfstatat(AT_FDCWD, "./776/binderfs" [pid 310] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = 0 [pid 307] unlink("./805/binderfs" [pid 306] unlink("./776/binderfs" [pid 310] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4400] <... openat resumed>) = 3 [pid 4400] write(3, "1000", 4 [pid 307] <... unlink resumed>) = 0 [pid 4400] <... write resumed>) = 4 [pid 4400] close(3 [pid 306] <... unlink resumed>) = 0 [pid 307] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4400] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./843/config" [pid 307] <... umount2 resumed>) = 0 [pid 4400] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4400] <... symlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./843/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./805/config" [pid 310] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./776/config" [pid 4399] <... chdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4399] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(4 [pid 307] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./776/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4399] <... prctl resumed>) = 0 [pid 310] getdents64(4 [pid 307] openat(AT_FDCWD, "./805/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./776/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4399] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] <... openat resumed>) = 4 [pid 4399] <... setpgid resumed>) = 0 [pid 310] close(4 [pid 307] fstat(4 [pid 306] fstat(4 [pid 310] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./843/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 4400] write(1, "executing program\n", 18) = 18 executing program [pid 4400] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 4400] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] getdents64(3 [pid 307] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4399] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 4400] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4399] write(3, "1000", 4 [pid 310] close(3 [pid 307] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 4400] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] close(4 [pid 4400] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4399] <... write resumed>) = 4 [pid 310] rmdir("./843" [pid 307] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4400] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4400] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4399] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 307] rmdir("./805/config" [pid 306] rmdir("./776/config" [pid 4400] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] mkdir("./844", 0777 [pid 4400] <... unlinkat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4400] exit_group(0) = ? [pid 4400] +++ exited with 0 +++ [pid 4399] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 4399] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4400, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... close resumed>) = 0 executing program [pid 306] close(3 [pid 4399] <... symlink resumed>) = 0 [pid 4399] write(1, "executing program\n", 18) = 18 [pid 307] rmdir("./805" [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4401 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4401 [pid 4399] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./776" [pid 4401] set_robust_list(0x55556c898760, 24 [pid 4399] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] mkdir("./806", 0777 [pid 4399] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4399] <... mount resumed>) = 0 [pid 4399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./777", 0777 [pid 4401] <... set_robust_list resumed>) = 0 [pid 308] umount2("./833", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4399] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 4401] rt_sigprocmask(SIG_SETMASK, [] [pid 4399] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4401] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4399] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4399] <... mkdirat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./833", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4399] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-6-1/strace-static-x86_64: Process 4402 attached [pid 4401] chdir("./844" [pid 4399] <... symlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4402] set_robust_list(0x55556c898760, 24 [pid 4401] <... chdir resumed>) = 0 [pid 4399] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4402] <... set_robust_list resumed>) = 0 [pid 4401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4399] <... unlinkat resumed>) = 0 [pid 308] fstat(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4402 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4401] <... prctl resumed>) = 0 [pid 4399] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4399] exit_group(0) = ? [pid 4402] rt_sigprocmask(SIG_SETMASK, [] [pid 4401] setpgid(0, 0 [pid 4399] +++ exited with 0 +++ [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4402] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4401] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4399, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4403 [pid 4402] chdir("./806" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./833/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./833/binderfs" [pid 4402] <... chdir resumed>) = 0 [pid 4401] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4401] write(3, "1000", 4 [pid 4402] <... prctl resumed>) = 0 [pid 308] unlink("./833/binderfs" [pid 4402] setpgid(0, 0 [pid 4401] <... write resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4403 attached [pid 4402] <... setpgid resumed>) = 0 [pid 4401] close(3 [pid 308] <... unlink resumed>) = 0 [pid 4401] <... close resumed>) = 0 [pid 308] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4401] symlink("/dev/binderfs", "./binderfs" [pid 4403] set_robust_list(0x55556c898760, 24 [pid 4402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4403] <... set_robust_list resumed>) = 0 [pid 4401] <... symlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./833/config" [pid 4401] write(1, "executing program\n", 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4401] <... write resumed>) = 18 executing program [pid 308] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4403] rt_sigprocmask(SIG_SETMASK, [] [pid 4401] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4403] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4402] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./833/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4403] chdir("./777" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] fstat(4 [pid 4403] <... chdir resumed>) = 0 [pid 4402] write(3, "1000", 4 [pid 4401] <... mkdirat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4402] <... write resumed>) = 4 [pid 4401] mount(NULL, "./config", "configfs", 0, NULL [pid 4403] <... prctl resumed>) = 0 [pid 4402] close(3 [pid 308] getdents64(4 [pid 309] umount2("./827", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4403] setpgid(0, 0 [pid 4402] <... close resumed>) = 0 [pid 4401] <... mount resumed>) = 0 [pid 309] openat(AT_FDCWD, "./827", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4403] <... setpgid resumed>) = 0 [pid 4402] symlink("/dev/binderfs", "./binderfs" [pid 4401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] getdents64(4 [pid 4403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 308] close(4 [pid 4401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] rmdir("./833/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4402] <... symlink resumed>) = 0 [pid 4401] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./827/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 4403] <... openat resumed>) = 3 [pid 4402] write(1, "executing program\n", 18 [pid 4401] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4403] write(3, "1000", 4 [pid 4402] <... write resumed>) = 18 [pid 309] newfstatat(AT_FDCWD, "./827/binderfs" executing program [pid 308] getdents64(3 [pid 4403] <... write resumed>) = 4 [pid 4401] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4403] close(3 [pid 4402] mkdirat(AT_FDCWD, "./config", 0777 [pid 4401] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] unlink("./827/binderfs" [pid 308] close(3 [pid 309] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 309] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./833" [pid 4401] <... symlinkat resumed>) = 0 [pid 4403] <... close resumed>) = 0 [pid 4402] <... mkdirat resumed>) = 0 [pid 4401] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4403] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./834", 0777 [pid 4402] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4402] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4402] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4402] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] newfstatat(AT_FDCWD, "./827/config" [pid 308] <... mkdir resumed>) = 0 [pid 4401] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4401] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 309] openat(AT_FDCWD, "./827/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4403] <... symlink resumed>) = 0 [pid 4403] write(1, "executing program\n", 18) = 18 [pid 309] <... openat resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4404 ci2-android-6-1/strace-static-x86_64: Process 4404 attached [pid 4403] mkdirat(AT_FDCWD, "./config", 0777 [pid 4402] <... mkdirat resumed>) = 0 [pid 4401] <... unlinkat resumed>) = 0 [pid 309] fstat(4 [pid 4404] set_robust_list(0x55556c898760, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4404] <... set_robust_list resumed>) = 0 [pid 4403] <... mkdirat resumed>) = 0 [pid 4402] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4401] exit_group(0 [pid 309] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4404] rt_sigprocmask(SIG_SETMASK, [] [pid 4403] mount(NULL, "./config", "configfs", 0, NULL [pid 4402] <... symlinkat resumed>) = 0 [pid 4401] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 4403] <... mount resumed>) = 0 [pid 4402] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4402] <... unlinkat resumed>) = 0 [pid 4401] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 4404] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./827/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4401, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4403] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4402] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4404] chdir("./834" [pid 4403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rmdir resumed>) = 0 [pid 4404] <... chdir resumed>) = 0 [pid 309] getdents64(3 [pid 4404] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4403] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4402] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4404] setpgid(0, 0 [pid 309] close(3 [pid 4404] <... setpgid resumed>) = 0 [pid 4404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4403] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4402] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 4404] <... openat resumed>) = 3 [pid 4404] write(3, "1000", 4 [pid 4403] <... mkdirat resumed>) = 0 [pid 4402] <... exit_group resumed>) = ? [pid 309] rmdir("./827" [pid 4404] <... write resumed>) = 4 [pid 4403] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4402] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 4404] close(3 [pid 309] mkdir("./828", 0777 [pid 4404] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4402, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4403] <... symlinkat resumed>) = 0 [pid 4404] symlink("/dev/binderfs", "./binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4403] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4404] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4404] write(1, "executing program\n", 18 [pid 4403] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4404] <... write resumed>) = 18 executing program [pid 4403] <... unlinkat resumed>) = 0 [pid 4403] exit_group(0) = ? [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4405 [pid 4404] mkdirat(AT_FDCWD, "./config", 0777 [pid 4403] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4403, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4405 attached [pid 4404] <... mkdirat resumed>) = 0 [pid 4405] set_robust_list(0x55556c898760, 24 [pid 4404] mount(NULL, "./config", "configfs", 0, NULL [pid 4405] <... set_robust_list resumed>) = 0 [pid 4404] <... mount resumed>) = 0 [pid 4405] rt_sigprocmask(SIG_SETMASK, [] [pid 4404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4405] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4405] chdir("./828" [pid 4404] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4405] <... chdir resumed>) = 0 [pid 4404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4405] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4404] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4405] <... prctl resumed>) = 0 [pid 4404] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4405] setpgid(0, 0) = 0 [pid 4404] <... mkdirat resumed>) = 0 [pid 4404] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... restart_syscall resumed>) = 0 [pid 4404] <... symlinkat resumed>) = 0 [pid 310] umount2("./844", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4405] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4405] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./844", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4405] <... write resumed>) = 4 [pid 4405] close(3 [pid 310] <... openat resumed>) = 3 [pid 4405] <... close resumed>) = 0 [pid 4405] symlink("/dev/binderfs", "./binderfs" [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 4404] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./844/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4405] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./844/binderfs" [pid 4405] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4405] <... write resumed>) = 18 executing program [pid 310] unlink("./844/binderfs") = 0 [pid 4405] mkdirat(AT_FDCWD, "./config", 0777 [pid 4404] <... unlinkat resumed>) = 0 [pid 310] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 4404] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./806", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./777", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./844/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./806", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./777", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 310] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 4405] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4405] mount(NULL, "./config", "configfs", 0, NULL [pid 310] openat(AT_FDCWD, "./844/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 310] <... openat resumed>) = 4 [pid 307] umount2("./806/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4405] <... mount resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./806/binderfs" [pid 306] umount2("./777/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] unlink("./806/binderfs" [pid 310] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./777/binderfs" [pid 4405] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4405] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 307] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4405] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4404] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] unlink("./777/binderfs" [pid 310] rmdir("./844/config" [pid 307] <... umount2 resumed>) = 0 [pid 4404] exit_group(0 [pid 306] <... unlink resumed>) = 0 [pid 4404] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 307] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4405] <... mkdirat resumed>) = 0 [pid 4404] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./806/config" [pid 306] <... umount2 resumed>) = 0 [pid 4405] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4404, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4405] <... symlinkat resumed>) = 0 [pid 310] rmdir("./844" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4405] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./806/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./777/config" [pid 4405] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] mkdir("./845", 0777 [pid 307] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(4 [pid 4405] <... unlinkat resumed>) = 0 [pid 4405] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./777/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 4405] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./777/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4405] +++ exited with 0 +++ [pid 307] close(4 [pid 306] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4406 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4406 [pid 307] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4405, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./806/config" [pid 306] fstat(4 [pid 4406] set_robust_list(0x55556c898760, 24 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4406] <... set_robust_list resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 4406] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4406] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 4406] chdir("./845" [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] close(4 [pid 4406] <... chdir resumed>) = 0 [pid 307] rmdir("./806" [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./777/config" [pid 4406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] umount2("./828", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./834", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4406] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./807", 0777 [pid 306] getdents64(3 [pid 309] openat(AT_FDCWD, "./828", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./834", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] rmdir("./777" [pid 4406] setpgid(0, 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 4406] <... setpgid resumed>) = 0 [pid 309] fstat(3 [pid 308] fstat(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./778", 0777 [pid 4406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4407 attached [pid 4406] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4407] set_robust_list(0x55556c898760, 24 [pid 4406] write(3, "1000", 4 [pid 309] umount2("./828/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./834/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4407 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4408 [pid 4407] <... set_robust_list resumed>) = 0 [pid 4406] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4407] rt_sigprocmask(SIG_SETMASK, [] [pid 4406] close(3 [pid 309] newfstatat(AT_FDCWD, "./828/binderfs" [pid 308] newfstatat(AT_FDCWD, "./834/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4407] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4406] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4407] chdir("./807" [pid 4406] symlink("/dev/binderfs", "./binderfs" [pid 309] unlink("./828/binderfs" [pid 308] unlink("./834/binderfs" [pid 4407] <... chdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 309] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4408 attached [pid 309] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4406] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4407] <... prctl resumed>) = 0 [pid 4406] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./828/config" [pid 4407] setpgid(0, 0 [pid 4406] <... write resumed>) = 18 [pid 308] newfstatat(AT_FDCWD, "./834/config" [pid 4407] <... setpgid resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4406] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./828/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 308] openat(AT_FDCWD, "./834/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 4407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4406] <... mkdirat resumed>) = 0 [pid 309] fstat(4 [pid 308] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4406] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4407] <... openat resumed>) = 3 [pid 4406] <... mount resumed>) = 0 [pid 309] getdents64(4 [pid 4407] write(3, "1000", 4 [pid 4406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] getdents64(4 [pid 4407] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4407] close(3 [pid 4406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4407] <... close resumed>) = 0 [pid 4406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... close resumed>) = 0 [pid 4407] symlink("/dev/binderfs", "./binderfs" [pid 308] close(4 [pid 309] rmdir("./828/config" [pid 4406] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... close resumed>) = 0 [pid 4408] set_robust_list(0x55556c898760, 24 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./834/config" [pid 4406] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4407] <... symlink resumed>) = 0 [pid 309] getdents64(3 [pid 4408] <... set_robust_list resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 309] close(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 4408] rt_sigprocmask(SIG_SETMASK, [] [pid 4407] write(1, "executing program\n", 18 [pid 4406] <... mkdirat resumed>) = 0 [pid 309] rmdir("./828" [pid 4407] <... write resumed>) = 18 [pid 4406] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... close resumed>) = 0 executing program [pid 4408] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./834" [pid 309] mkdir("./829", 0777 [pid 4408] chdir("./778" [pid 308] <... rmdir resumed>) = 0 [pid 4408] <... chdir resumed>) = 0 [pid 4408] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] mkdir("./835", 0777 [pid 4406] <... symlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4408] setpgid(0, 0) = 0 [pid 4408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4407] mkdirat(AT_FDCWD, "./config", 0777 [pid 4406] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4408] <... openat resumed>) = 3 [pid 4408] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4409 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4408] <... write resumed>) = 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4408] close(3) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4408] symlink("/dev/binderfs", "./binderfs" [pid 4406] <... unlinkat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4410 [pid 4406] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4408] <... symlink resumed>) = 0 [pid 4406] <... unlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4408] write(1, "executing program\n", 18 [pid 4406] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4409 attached [pid 4407] <... mkdirat resumed>) = 0 [pid 4406] <... exit_group resumed>) = ? executing program [pid 4407] mount(NULL, "./config", "configfs", 0, NULL [pid 4408] <... write resumed>) = 18 [pid 4408] mkdirat(AT_FDCWD, "./config", 0777 [pid 4409] set_robust_list(0x55556c898760, 24 [pid 4408] <... mkdirat resumed>) = 0 [pid 4407] <... mount resumed>) = 0 [pid 4406] +++ exited with 0 +++ [pid 4409] <... set_robust_list resumed>) = 0 [pid 4407] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4406, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4407] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4407] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4409] rt_sigprocmask(SIG_SETMASK, [] [pid 4408] mount(NULL, "./config", "configfs", 0, NULL [pid 4407] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4409] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4407] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4409] chdir("./829" [pid 4408] <... mount resumed>) = 0 [pid 4409] <... chdir resumed>) = 0 [pid 4408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4407] <... mkdirat resumed>) = 0 [pid 4409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4408] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4407] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4409] <... prctl resumed>) = 0 [pid 4408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4409] setpgid(0, 0 [pid 4407] <... symlinkat resumed>) = 0 [pid 4409] <... setpgid resumed>) = 0 [pid 4407] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4408] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4407] <... unlinkat resumed>) = 0 [pid 4408] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4407] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4409] <... openat resumed>) = 3 [pid 4408] <... mkdirat resumed>) = 0 [pid 4407] <... unlinkat resumed>) = 0 [pid 4408] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4409] write(3, "1000", 4 [pid 4407] exit_group(0 [pid 4409] <... write resumed>) = 4 [pid 4408] <... symlinkat resumed>) = 0 [pid 4407] <... exit_group resumed>) = ? [pid 4408] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4408] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-6-1/strace-static-x86_64: Process 4410 attached [pid 4409] close(3 [pid 4408] <... unlinkat resumed>) = 0 [pid 4407] +++ exited with 0 +++ [pid 4409] <... close resumed>) = 0 [pid 4410] set_robust_list(0x55556c898760, 24 [pid 4409] symlink("/dev/binderfs", "./binderfs" [pid 4408] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4407, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4410] <... set_robust_list resumed>) = 0 [pid 4408] <... exit_group resumed>) = ? [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4410] rt_sigprocmask(SIG_SETMASK, [] [pid 4409] <... symlink resumed>) = 0 [pid 4408] +++ exited with 0 +++ executing program [pid 4410] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4409] write(1, "executing program\n", 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4410] chdir("./835" [pid 4409] <... write resumed>) = 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4410] <... chdir resumed>) = 0 [pid 4409] mkdirat(AT_FDCWD, "./config", 0777 [pid 4410] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] umount2("./845", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4410] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4410] <... setpgid resumed>) = 0 [pid 310] openat(AT_FDCWD, "./845", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 3 [pid 4410] <... openat resumed>) = 3 [pid 4409] <... mkdirat resumed>) = 0 [pid 310] fstat(3 [pid 4410] write(3, "1000", 4 [pid 4409] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4410] <... write resumed>) = 4 [pid 310] getdents64(3 [pid 4409] <... mount resumed>) = 0 [pid 4410] close(3 [pid 4409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4410] <... close resumed>) = 0 [pid 4409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./845/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4410] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4410] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./845/binderfs" executing program [pid 4410] write(1, "executing program\n", 18 [pid 4409] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4410] <... write resumed>) = 18 [pid 310] unlink("./845/binderfs" [pid 306] umount2("./778", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4410] mkdirat(AT_FDCWD, "./config", 0777 [pid 4409] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... unlink resumed>) = 0 [pid 307] umount2("./807", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4410] <... mkdirat resumed>) = 0 [pid 4409] <... mkdirat resumed>) = 0 [pid 310] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./778", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4410] mount(NULL, "./config", "configfs", 0, NULL [pid 4409] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = 0 [pid 307] openat(AT_FDCWD, "./807", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 4410] <... mount resumed>) = 0 [pid 4409] <... symlinkat resumed>) = 0 [pid 310] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 4410] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4409] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4410] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4409] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./845/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 4410] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4409] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4410] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4409] <... unlinkat resumed>) = 0 [pid 310] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./778/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4410] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4409] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./807/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4409] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./845/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./778/binderfs" [pid 4410] <... mkdirat resumed>) = 0 [pid 4409] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4410] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(4 [pid 307] newfstatat(AT_FDCWD, "./807/binderfs" [pid 306] unlink("./778/binderfs" [pid 4410] <... symlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4410] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] unlink("./807/binderfs" [pid 306] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 4410] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 307] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4410] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./778/config" [pid 310] close(4 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 307] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4410] <... unlinkat resumed>) = 0 [pid 306] umount2("./778/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./845/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./778/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 310] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./807/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4410] exit_group(0 [pid 310] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(4 [pid 4410] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 310] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./807/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 310] rmdir("./845" [pid 307] <... openat resumed>) = 4 [pid 306] rmdir("./778/config" [pid 310] <... rmdir resumed>) = 0 [pid 307] fstat(4 [pid 306] <... rmdir resumed>) = 0 [pid 310] mkdir("./846", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./778" [pid 310] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./779", 0777 [pid 4410] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... mkdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4412 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4411 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./807/config"ci2-android-6-1/strace-static-x86_64: Process 4412 attached [pid 4412] set_robust_list(0x55556c898760, 24) = 0 [pid 4412] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rmdir resumed>) = 0 [pid 4412] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4412] chdir("./846" [pid 307] close(3 [pid 4412] <... chdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rmdir("./807" [pid 4412] <... prctl resumed>) = 0 [pid 4412] setpgid(0, 0) = 0 [pid 4412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 4412] <... openat resumed>) = 3 [pid 307] mkdir("./808", 0777 [pid 4412] write(3, "1000", 4) = 4 [pid 4412] close(3) = 0 [pid 4412] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4412] write(1, "executing program\n", 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4412] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4412] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4412] <... mkdirat resumed>) = 0 [pid 4412] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4413 executing program [pid 4412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4412] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4412] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4413 attached [pid 4412] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4412] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./829", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./835", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./829", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./835", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 4412] <... unlinkat resumed>) = 0 [pid 309] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 4412] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4412] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 309] umount2("./829/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4412] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] newfstatat(AT_FDCWD, "./829/binderfs" [pid 308] umount2("./835/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4412] <... exit_group resumed>) = ? [pid 4413] set_robust_list(0x55556c898760, 24 [pid 4412] +++ exited with 0 +++ [pid 309] unlink("./829/binderfs" [pid 308] newfstatat(AT_FDCWD, "./835/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4411 attached [pid 4411] set_robust_list(0x55556c898760, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4412, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... unlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4411] <... set_robust_list resumed>) = 0 [pid 4411] rt_sigprocmask(SIG_SETMASK, [] [pid 308] unlink("./835/binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 4411] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4411] chdir("./779" [pid 308] <... unlink resumed>) = 0 [pid 309] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./829/config" [pid 308] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4411] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./835/config" [pid 309] openat(AT_FDCWD, "./829/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 4411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] openat(AT_FDCWD, "./835/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4411] <... prctl resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 308] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(4 [pid 308] getdents64(4 [pid 4411] setpgid(0, 0 [pid 309] <... close resumed>) = 0 [pid 4411] <... setpgid resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./829/config" [pid 308] getdents64(4 [pid 4411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 308] close(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 309] close(3 [pid 308] rmdir("./835/config" [pid 309] <... close resumed>) = 0 [pid 4411] write(3, "1000", 4) = 4 [pid 4411] close(3) = 0 [pid 309] rmdir("./829" [pid 308] <... rmdir resumed>) = 0 [pid 4411] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 309] mkdir("./830", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4413] <... set_robust_list resumed>) = 0 [pid 4411] write(1, "executing program\n", 18 [pid 309] <... mkdir resumed>) = 0 [pid 308] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rmdir("./835" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4413] rt_sigprocmask(SIG_SETMASK, [] [pid 4411] <... write resumed>) = 18 [pid 4413] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4411] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 4413] chdir("./808" [pid 4411] <... mkdirat resumed>) = 0 [pid 308] mkdir("./836", 0777 [pid 4413] <... chdir resumed>) = 0 [pid 4411] mount(NULL, "./config", "configfs", 0, NULL [pid 4413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4411] <... mount resumed>) = 0 [pid 4413] <... prctl resumed>) = 0 executing program [pid 4411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4414 [pid 308] <... mkdir resumed>) = 0 [pid 4413] setpgid(0, 0 [pid 4411] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4413] <... setpgid resumed>) = 0 [pid 4411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4411] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4413] <... openat resumed>) = 3 [pid 4411] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4413] write(3, "1000", 4 [pid 4411] <... mkdirat resumed>) = 0 [pid 4413] <... write resumed>) = 4 [pid 4411] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4415 [pid 4413] close(3 [pid 4411] <... symlinkat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4413] <... close resumed>) = 0 [pid 4411] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4413] symlink("/dev/binderfs", "./binderfs" [pid 4411] <... unlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4414 attached [pid 4413] <... symlink resumed>) = 0 [pid 4411] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./846", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4413] write(1, "executing program\n", 18 [pid 4411] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4413] <... write resumed>) = 18 [pid 4411] exit_group(0 [pid 310] openat(AT_FDCWD, "./846", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4413] mkdirat(AT_FDCWD, "./config", 0777 [pid 4411] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 4415 attached [pid 4414] set_robust_list(0x55556c898760, 24 [pid 4413] <... mkdirat resumed>) = 0 [pid 4411] +++ exited with 0 +++ [pid 310] fstat(3 [pid 4413] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4411, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4413] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4413] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./846/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4413] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./846/binderfs" [pid 4413] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./846/binderfs" [pid 4413] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4413] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4413] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 4413] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4413] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4413] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./846/config" [pid 4413] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4413] exit_group(0 [pid 310] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4413] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4415] set_robust_list(0x55556c898760, 24 [pid 4414] <... set_robust_list resumed>) = 0 [pid 4413] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./846/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4415] <... set_robust_list resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4413, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4414] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(4 [pid 4415] rt_sigprocmask(SIG_SETMASK, [] [pid 4414] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4415] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4415] chdir("./836" [pid 310] getdents64(4 [pid 4415] <... chdir resumed>) = 0 [pid 4415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4415] <... prctl resumed>) = 0 [pid 310] getdents64(4 [pid 4415] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4415] <... setpgid resumed>) = 0 [pid 310] close(4 [pid 4415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... close resumed>) = 0 [pid 4415] <... openat resumed>) = 3 [pid 310] rmdir("./846/config" [pid 4414] chdir("./830" [pid 4415] write(3, "1000", 4) = 4 [pid 4415] close(3) = 0 [pid 4415] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4415] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 4415] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 4415] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(3 [pid 4415] <... mkdirat resumed>) = 0 [pid 4414] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4415] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] rmdir("./846" [pid 4415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4415] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 4415] <... mkdirat resumed>) = 0 [pid 310] mkdir("./847", 0777 [pid 4414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4415] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4415] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4415] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4415] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4415] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4415] +++ exited with 0 +++ [pid 4414] <... prctl resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4414] setpgid(0, 0) = 0 [pid 4414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4416 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4415, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4416 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4416] set_robust_list(0x55556c898760, 24 [pid 4414] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4414] <... write resumed>) = 4 [pid 4414] close(3) = 0 [pid 4414] symlink("/dev/binderfs", "./binderfs" [pid 4416] <... set_robust_list resumed>) = 0 [pid 4414] <... symlink resumed>) = 0 [pid 4414] write(1, "executing program\n", 18) = 18 [pid 4414] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 4416] rt_sigprocmask(SIG_SETMASK, [] [pid 4414] <... mkdirat resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4414] mount(NULL, "./config", "configfs", 0, NULL [pid 4416] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4414] <... mount resumed>) = 0 [pid 4414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./836", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./779", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] openat(AT_FDCWD, "./836", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./779", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4414] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 4416] chdir("./847" [pid 4414] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] fstat(3 [pid 306] fstat(3 [pid 4416] <... chdir resumed>) = 0 [pid 4414] <... mkdirat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4414] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3 [pid 4416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4414] <... symlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4416] <... prctl resumed>) = 0 [pid 4414] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./779/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4416] setpgid(0, 0 [pid 4414] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4416] <... setpgid resumed>) = 0 [pid 4414] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./836/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./779/binderfs" [pid 4414] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4414] exit_group(0 [pid 308] newfstatat(AT_FDCWD, "./836/binderfs" [pid 307] umount2("./808", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./779/binderfs" [pid 4416] <... openat resumed>) = 3 [pid 4414] <... exit_group resumed>) = ? [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 4416] write(3, "1000", 4 [pid 4414] +++ exited with 0 +++ [pid 308] unlink("./836/binderfs" [pid 307] openat(AT_FDCWD, "./808", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4414, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 306] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4416] <... write resumed>) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = 0 [pid 307] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4416] close(3 [pid 308] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./779/config" [pid 4416] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 4416] symlink("/dev/binderfs", "./binderfs" [pid 308] newfstatat(AT_FDCWD, "./836/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./779/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./808/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./836/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./779/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./808/binderfs" [pid 308] fstat(4 [pid 306] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(4 [pid 308] getdents64(4 [pid 307] unlink("./808/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4416] <... symlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 4416] write(1, "executing program\n", 18 [pid 308] getdents64(4 [pid 307] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 4416] <... write resumed>) = 18 [pid 308] close(4 [pid 307] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] close(4 [pid 308] rmdir("./836/config" [pid 307] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4416] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./808/config" [pid 306] rmdir("./779/config" [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 4416] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./808/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(3 [pid 307] <... openat resumed>) = 4 [pid 306] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 307] fstat(4 [pid 308] rmdir("./836" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 4416] mount(NULL, "./config", "configfs", 0, NULL [pid 308] mkdir("./837", 0777 [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 307] rmdir("./808/config") = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4416] <... mount resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./808" [pid 306] rmdir("./779" [pid 4416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./809", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4416] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] mkdir("./780", 0777 [pid 4416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4417 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4418 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4417 attached [pid 4417] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4417] rt_sigprocmask(SIG_SETMASK, [] [pid 4416] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4416] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./830", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4417] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4417] chdir("./837") = 0 [pid 4417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4417] setpgid(0, 0) = 0 [pid 4417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] openat(AT_FDCWD, "./830", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4417] write(3, "1000", 4 [pid 309] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4419 [pid 309] fstat(3 [pid 4417] <... write resumed>) = 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4416] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4417] close(3 [pid 309] getdents64(3 [pid 4416] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4417] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4417] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./830/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4416] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4418 attached [pid 4417] <... symlink resumed>) = 0 [pid 4416] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] newfstatat(AT_FDCWD, "./830/binderfs" [pid 4417] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4416] <... unlinkat resumed>) = 0 [pid 309] unlink("./830/binderfs" [pid 4417] <... write resumed>) = 18 [pid 4417] mkdirat(AT_FDCWD, "./config", 0777 [pid 4418] set_robust_list(0x55556c898760, 24 [pid 4417] <... mkdirat resumed>) = 0 executing program [pid 4416] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... unlink resumed>) = 0 [pid 4417] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4417] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4416] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4417] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./830/config" [pid 4417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4416] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4417] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4416] <... exit_group resumed>) = ? [pid 309] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4417] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4417] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./830/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4417] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... openat resumed>) = 4 [pid 4417] <... symlinkat resumed>) = 0 [pid 309] fstat(4 [pid 4417] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4416] +++ exited with 0 +++ [pid 309] getdents64(4 [pid 4417] <... unlinkat resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4416, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(4 [pid 4417] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4418] <... set_robust_list resumed>) = 0 [pid 4417] <... unlinkat resumed>) = 0 [pid 309] close(4 [pid 4417] exit_group(0) = ? [pid 4417] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./830/config" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4417, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4419 attached [pid 4419] set_robust_list(0x55556c898760, 24) = 0 [pid 4419] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 4419] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4419] chdir("./780" [pid 309] close(3 [pid 4419] <... chdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rmdir("./830" [pid 4419] <... prctl resumed>) = 0 [pid 4419] setpgid(0, 0) = 0 [pid 4419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 309] <... rmdir resumed>) = 0 [pid 4419] write(3, "1000", 4 [pid 309] mkdir("./831", 0777 [pid 4419] <... write resumed>) = 4 [pid 4419] close(3) = 0 [pid 4419] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4419] write(1, "executing program\n", 18) = 18 [pid 4419] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 4419] <... mkdirat resumed>) = 0 [pid 4418] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4419] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4419] <... mount resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4419] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4419] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4419] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4419] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4420 [pid 4419] <... symlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4419] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4419] <... unlinkat resumed>) = 0 [pid 4419] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4419] exit_group(0 [pid 4418] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4419] <... exit_group resumed>) = ? [pid 4419] +++ exited with 0 +++ [pid 4418] chdir("./809" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4419, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4420 attached [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4420] set_robust_list(0x55556c898760, 24) = 0 [pid 4420] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4418] <... chdir resumed>) = 0 [pid 4420] chdir("./831" [pid 4418] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4420] <... chdir resumed>) = 0 [pid 4420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4420] setpgid(0, 0) = 0 [pid 4418] <... prctl resumed>) = 0 [pid 4420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4418] setpgid(0, 0 [pid 4420] <... openat resumed>) = 3 [pid 4418] <... setpgid resumed>) = 0 [pid 4420] write(3, "1000", 4) = 4 [pid 4420] close(3) = 0 [pid 4420] symlink("/dev/binderfs", "./binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] umount2("./847", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./837", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./847", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./837", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 308] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 4420] <... symlink resumed>) = 0 [pid 4420] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4418] <... openat resumed>) = 3 [pid 310] umount2("./847/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./837/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4420] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4418] write(3, "1000", 4 executing program [pid 310] newfstatat(AT_FDCWD, "./847/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./837/binderfs" [pid 4418] <... write resumed>) = 4 [pid 310] unlink("./847/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4420] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 [pid 308] unlink("./837/binderfs" [pid 306] umount2("./780", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4418] close(3 [pid 310] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./780", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4418] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4418] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 306] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./847/config" [pid 308] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./837/config" [pid 306] getdents64(3 [pid 310] openat(AT_FDCWD, "./847/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 306] umount2("./780/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4418] <... symlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 308] openat(AT_FDCWD, "./837/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4418] write(1, "executing program\n", 18 [pid 306] newfstatat(AT_FDCWD, "./780/binderfs" [pid 4418] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] fstat(4 [pid 306] unlink("./780/binderfs" [pid 4418] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4420] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 306] <... unlink resumed>) = 0 [pid 310] rmdir("./847/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4420] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... rmdir resumed>) = 0 executing program [pid 308] getdents64(4 [pid 310] getdents64(3 [pid 306] <... umount2 resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 308] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] rmdir("./847" [pid 308] rmdir("./837/config" [pid 306] newfstatat(AT_FDCWD, "./780/config" [pid 4420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 4420] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4420] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4418] <... mkdirat resumed>) = 0 [pid 310] mkdir("./848", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4420] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4420] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] umount2("./780/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 4420] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4418] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./780/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3 [pid 306] <... openat resumed>) = 4 [pid 4420] <... unlinkat resumed>) = 0 [pid 4420] exit_group(0 [pid 306] fstat(4 [pid 4418] <... mount resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4421 [pid 308] <... close resumed>) = 0 [pid 4418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./837" [pid 4418] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 4420] <... exit_group resumed>) = ? [pid 308] <... rmdir resumed>) = 0 [pid 4420] +++ exited with 0 +++ [pid 4418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] mkdir("./838", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4418] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 4421 attached [pid 308] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4420, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4418] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(4 [pid 4421] set_robust_list(0x55556c898760, 24) = 0 [pid 4421] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4422 [pid 306] rmdir("./780/config" [pid 309] umount2("./831", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4421] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./831", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 4418] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 306] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 306] rmdir("./780" [pid 4421] chdir("./848") = 0 [pid 4421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4421] <... prctl resumed>) = 0 [pid 4421] setpgid(0, 0) = 0 [pid 4421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 309] umount2("./831/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./781", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4421] <... openat resumed>) = 3 [pid 4421] write(3, "1000", 4) = 4 [pid 4421] close(3) = 0 [pid 309] newfstatat(AT_FDCWD, "./831/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 4421] symlink("/dev/binderfs", "./binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./831/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4421] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4421] write(1, "executing program\n", 18) = 18 [pid 4421] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4423 [pid 309] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4421] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./831/config" [pid 4421] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4421] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] openat(AT_FDCWD, "./831/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4421] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 4421] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(4 [pid 4421] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4421] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4421] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 4421] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4421] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4 [pid 4421] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4418] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] close(4 [pid 4421] exit_group(0) = ? [pid 309] <... close resumed>) = 0 [pid 4421] +++ exited with 0 +++ [pid 4418] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] rmdir("./831/config"ci2-android-6-1/strace-static-x86_64: Process 4422 attached [pid 4422] set_robust_list(0x55556c898760, 24) = 0 [pid 4422] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4422] chdir("./838") = 0 [pid 4422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4422] setpgid(0, 0 [pid 309] close(3 [pid 4422] <... setpgid resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rmdir("./831" [pid 4422] <... openat resumed>) = 3 [pid 4422] write(3, "1000", 4) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 4422] close(3) = 0 [pid 309] mkdir("./832", 0777 [pid 4422] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4422] write(1, "executing program\n", 18 [pid 309] <... mkdir resumed>) = 0 [pid 4422] <... write resumed>) = 18 executing program [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4422] mkdirat(AT_FDCWD, "./config", 0777 [pid 4418] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4422] <... mkdirat resumed>) = 0 [pid 4418] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4418] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-6-1/strace-static-x86_64: Process 4423 attached [pid 4423] set_robust_list(0x55556c898760, 24) = 0 [pid 4423] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4423] chdir("./781" [pid 4422] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4418] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4423] <... chdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4424 [pid 4418] exit_group(0 [pid 4423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4418] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4423] <... prctl resumed>) = 0 [pid 4423] setpgid(0, 0) = 0 [pid 4423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4423] <... openat resumed>) = 3 [pid 4418] +++ exited with 0 +++ [pid 4422] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4418, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4422] <... mkdirat resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4423] write(3, "1000", 4) = 4 [pid 4423] close(3) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4423] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4422] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./848", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4422] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4422] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./848", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4422] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 4423] write(1, "executing program\n", 18 [pid 310] fstat(3 [pid 4423] <... write resumed>) = 18 executing program [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4423] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(3 [pid 4422] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 4424 attached [pid 4423] <... mkdirat resumed>) = 0 [pid 310] umount2("./848/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4422] exit_group(0) = ? [pid 4424] set_robust_list(0x55556c898760, 24 [pid 4422] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./848/binderfs" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./848/binderfs" [pid 4423] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./838", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 308] openat(AT_FDCWD, "./838", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4423] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./848/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 4423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4423] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./809", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./838/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./848/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./809", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 3 [pid 310] fstat(4 [pid 308] newfstatat(AT_FDCWD, "./838/binderfs" [pid 307] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 308] unlink("./838/binderfs" [pid 307] getdents64(3 [pid 4423] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 307] umount2("./809/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4423] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] close(4 [pid 308] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./809/binderfs" [pid 310] <... close resumed>) = 0 [pid 308] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./848/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4423] <... symlinkat resumed>) = 0 [pid 4423] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] unlink("./809/binderfs" [pid 308] newfstatat(AT_FDCWD, "./838/config" [pid 310] getdents64(3 [pid 4423] <... unlinkat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 307] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 4423] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4424] <... set_robust_list resumed>) = 0 [pid 310] rmdir("./848" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 4423] <... unlinkat resumed>) = 0 [pid 4423] exit_group(0) = ? [pid 4423] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./838/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./849", 0777 [pid 308] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4423, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4424] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4424] chdir("./832") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] newfstatat(AT_FDCWD, "./809/config" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 4424] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4424] setpgid(0, 0) = 0 [pid 4424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4424] write(3, "1000", 4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4425 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] openat(AT_FDCWD, "./809/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] fstat(4 [pid 308] close(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 308] rmdir("./838/config" [pid 4424] <... write resumed>) = 4 [pid 4424] close(3) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4424] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 308] close(3 [pid 4424] write(1, "executing program\n", 18 [pid 307] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] rmdir("./809/config" [pid 308] rmdir("./838" [pid 4424] <... write resumed>) = 18 [pid 4424] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 308] mkdir("./839", 0777 [pid 307] getdents64(3 [pid 4424] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... mkdir resumed>) = 0 executing program [pid 4424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] close(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./809" [pid 4424] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4424] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4424] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4424] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4424] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4426 [pid 307] <... rmdir resumed>) = 0 [pid 4424] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] mkdir("./810", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4424] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4426 attached [pid 4424] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4425 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4425] set_robust_list(0x55556c898760, 24 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4425] <... set_robust_list resumed>) = 0 [pid 4425] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4425] chdir("./849") = 0 [pid 4425] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4425] setpgid(0, 0) = 0 [pid 4425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4427 [pid 4425] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4425] <... write resumed>) = 4 [pid 4425] close(3) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4425] symlink("/dev/binderfs", "./binderfs" [pid 4426] set_robust_list(0x55556c898760, 24 [pid 4425] <... symlink resumed>) = 0 [pid 4425] write(1, "executing program\n", 18) = 18 executing program [pid 4425] mkdirat(AT_FDCWD, "./config", 0777 [pid 4426] <... set_robust_list resumed>) = 0 [pid 4425] <... mkdirat resumed>) = 0 [pid 4425] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4425] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4426] rt_sigprocmask(SIG_SETMASK, [] [pid 4425] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4425] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4425] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4425] exit_group(0) = ? [pid 4426] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4425] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 4427 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4425, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4427] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4427] <... set_robust_list resumed>) = 0 [pid 4427] rt_sigprocmask(SIG_SETMASK, [] [pid 4426] chdir("./839" [pid 4427] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4427] chdir("./810" [pid 306] <... restart_syscall resumed>) = 0 [pid 4427] <... chdir resumed>) = 0 [pid 4427] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4427] setpgid(0, 0 [pid 306] umount2("./781", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4427] <... setpgid resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] openat(AT_FDCWD, "./781", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4427] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 4426] <... chdir resumed>) = 0 [pid 306] fstat(3 [pid 4427] write(3, "1000", 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4427] <... write resumed>) = 4 [pid 4427] close(3 [pid 306] getdents64(3 [pid 4427] <... close resumed>) = 0 [pid 4427] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4427] <... symlink resumed>) = 0 [pid 4426] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./781/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4427] write(1, "executing program\n", 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4427] <... write resumed>) = 18 executing program [pid 306] newfstatat(AT_FDCWD, "./781/binderfs" [pid 4427] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4427] <... mkdirat resumed>) = 0 [pid 4426] <... prctl resumed>) = 0 [pid 306] unlink("./781/binderfs" [pid 4427] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 4427] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4427] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4427] <... mkdirat resumed>) = 0 [pid 4426] setpgid(0, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./781/config" [pid 4426] <... setpgid resumed>) = 0 [pid 4427] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./849", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./781/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./849", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4427] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./781/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 306] <... openat resumed>) = 4 [pid 4426] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(4 [pid 4427] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3 [pid 4426] write(3, "1000", 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4426] <... write resumed>) = 4 [pid 306] getdents64(4 [pid 310] umount2("./849/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4427] <... unlinkat resumed>) = 0 [pid 4426] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4426] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./849/binderfs" [pid 306] getdents64(4 [pid 4427] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4426] symlink("/dev/binderfs", "./binderfs" [pid 310] unlink("./849/binderfs" [pid 306] close(4 [pid 4427] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./781/config" [pid 4427] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 4427] <... exit_group resumed>) = ? [pid 4427] +++ exited with 0 +++ [pid 4426] <... symlink resumed>) = 0 [pid 310] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4426] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./849/config" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4427, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4426] <... write resumed>) = 18 [pid 310] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./832", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./849/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 executing program [pid 309] openat(AT_FDCWD, "./832", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4426] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 306] rmdir("./781" [pid 310] fstat(4 [pid 309] fstat(3 [pid 4426] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 306] mkdir("./782", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4426] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./832/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./832/binderfs" [pid 310] rmdir("./849/config" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4426] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4426] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./832/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 4426] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... unlink resumed>) = 0 [pid 4426] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4426] <... unlinkat resumed>) = 0 [pid 4426] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4426] exit_group(0) = ? [pid 4426] +++ exited with 0 +++ [pid 310] close(3 [pid 309] <... umount2 resumed>) = 0 [pid 307] umount2("./810", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4428 attached [pid 310] <... close resumed>) = 0 [pid 309] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./849" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4426, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4428 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4428] set_robust_list(0x55556c898760, 24) = 0 [pid 4428] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./832/config" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] openat(AT_FDCWD, "./810", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./850", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4428] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4428] chdir("./782") = 0 [pid 4428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4428] setpgid(0, 0) = 0 [pid 4428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] fstat(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./832/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4428] <... openat resumed>) = 3 [pid 4428] write(3, "1000", 4) = 4 [pid 4428] close(3) = 0 [pid 4428] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... openat resumed>) = 4 [pid 307] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4429 [pid 309] fstat(4 [pid 4428] write(1, "executing program\n", 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4428] <... write resumed>) = 18 [pid 4428] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./810/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./810/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 307] unlink("./810/binderfs" [pid 4428] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] rmdir("./832/config" [pid 307] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4428] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 4428] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = 0 [pid 4428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 4428] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 4428] <... mkdirat resumed>) = 0 [pid 309] rmdir("./832" [pid 307] newfstatat(AT_FDCWD, "./810/config" [pid 4428] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4428] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4428] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./833", 0777 [pid 307] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4428] <... unlinkat resumed>) = 0 [pid 4428] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4428] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./810/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4428] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4429 attached [pid 4429] set_robust_list(0x55556c898760, 24) = 0 [pid 4429] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4429] chdir("./850") = 0 [pid 307] fstat(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4428, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4430 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4429] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 4429] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4429] <... setpgid resumed>) = 0 [pid 307] close(4 [pid 4429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... close resumed>) = 0 [pid 4429] <... openat resumed>) = 3 [pid 307] rmdir("./810/config" [pid 4429] write(3, "1000", 4) = 4 [pid 4429] close(3) = 0 [pid 4429] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4429] write(1, "executing program\n", 18 [pid 307] getdents64(3 [pid 4429] <... write resumed>) = 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 4429] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] close(3 [pid 4429] <... mkdirat resumed>) = 0 [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4430 attached [pid 4430] set_robust_list(0x55556c898760, 24 [pid 307] rmdir("./810" [pid 4430] <... set_robust_list resumed>) = 0 [pid 4430] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] mkdir("./811", 0777 [pid 4430] chdir("./833") = 0 [pid 4430] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4430] setpgid(0, 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./839", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] openat(AT_FDCWD, "./839", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4430] <... openat resumed>) = 3 [pid 4430] write(3, "1000", 4) = 4 [pid 4430] close(3) = 0 [pid 4430] symlink("/dev/binderfs", "./binderfs" [pid 308] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4431 [pid 308] fstat(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 4430] <... symlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4430] write(1, "executing program\n", 18 [pid 308] umount2("./839/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4430] <... write resumed>) = 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4429] mount(NULL, "./config", "configfs", 0, NULL [pid 308] newfstatat(AT_FDCWD, "./839/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4430] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] unlink("./839/binderfs") = 0 [pid 4429] <... mount resumed>) = 0 [pid 308] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4429] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] newfstatat(AT_FDCWD, "./839/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4429] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./839/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4430] <... mkdirat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 4429] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] fstat(4 [pid 4430] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4430] <... mount resumed>) = 0 [pid 308] getdents64(4 [pid 4429] <... mkdirat resumed>) = 0 [pid 4430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4429] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4430] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 4430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4430] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] close(4 [pid 4430] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./839/config"ci2-android-6-1/strace-static-x86_64: Process 4431 attached [pid 4431] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./782", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./782", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(3 [pid 4430] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 306] <... openat resumed>) = 3 [pid 4429] <... symlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] fstat(3 [pid 4429] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rmdir("./839" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4430] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4430] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... rmdir resumed>) = 0 [pid 4430] <... unlinkat resumed>) = 0 [pid 4429] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] mkdir("./840", 0777 [pid 306] getdents64(3 [pid 4429] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4430] exit_group(0) = ? [pid 4430] +++ exited with 0 +++ [pid 4429] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4431] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./782/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4429] exit_group(0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4430, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4429] <... exit_group resumed>) = ? [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4431] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4431] chdir("./811" [pid 306] newfstatat(AT_FDCWD, "./782/binderfs" [pid 4431] <... chdir resumed>) = 0 [pid 4431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4431] setpgid(0, 0) = 0 [pid 4431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4432 [pid 306] unlink("./782/binderfs" [pid 4431] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4431] <... write resumed>) = 4 [pid 4431] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4431] <... close resumed>) = 0 [pid 4431] symlink("/dev/binderfs", "./binderfs" [pid 306] <... umount2 resumed>) = 0 [pid 4431] <... symlink resumed>) = 0 [pid 306] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4431] write(1, "executing program\n", 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4431] <... write resumed>) = 18 [pid 306] newfstatat(AT_FDCWD, "./782/config" [pid 4431] mkdirat(AT_FDCWD, "./config", 0777 [pid 4429] +++ exited with 0 +++ [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 4431] <... mkdirat resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 306] umount2("./782/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4431] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./782/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./833", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 4431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 309] openat(AT_FDCWD, "./833", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 309] fstat(3 [pid 4431] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 309] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(4 [pid 309] umount2("./833/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4431] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./833/binderfs" [pid 306] rmdir("./782/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4431] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] unlink("./833/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 4431] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 309] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4431] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] close(3 [pid 309] <... umount2 resumed>) = 0 [pid 4431] <... unlinkat resumed>) = 0 [pid 309] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./782" [pid 309] newfstatat(AT_FDCWD, "./833/config" [pid 4431] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] mkdir("./783", 0777 [pid 309] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4431] exit_group(0) = ? [pid 4431] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./833/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4432 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... openat resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4432] set_robust_list(0x55556c898760, 24) = 0 [pid 4432] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4432] chdir("./840") = 0 [pid 309] getdents64(4 [pid 4432] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4432] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./811", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4433 [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4432] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(4 [pid 307] openat(AT_FDCWD, "./811", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 4432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rmdir("./833/config" [pid 307] <... openat resumed>) = 3 [pid 4432] <... openat resumed>) = 3 [pid 4432] write(3, "1000", 4 [pid 309] <... rmdir resumed>) = 0 [pid 307] fstat(3 [pid 309] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 309] close(3 [pid 4432] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./811/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./833" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4432] close(3) = 0 [pid 4432] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./811/binderfs" [pid 309] mkdir("./834", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4432] write(1, "executing program\n", 18) = 18 executing program [pid 4432] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] unlink("./811/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 4433 attached [pid 4433] set_robust_list(0x55556c898760, 24 [pid 307] <... unlink resumed>) = 0 [pid 4433] <... set_robust_list resumed>) = 0 [pid 4433] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4433] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4432] mount(NULL, "./config", "configfs", 0, NULL [pid 4433] chdir("./783" [pid 4432] <... mount resumed>) = 0 [pid 4433] <... chdir resumed>) = 0 [pid 4433] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4433] setpgid(0, 0) = 0 [pid 307] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4434 [pid 4432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./811/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4432] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] openat(AT_FDCWD, "./811/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 4432] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... openat resumed>) = 4 [pid 4433] <... openat resumed>) = 3 [pid 307] fstat(4 [pid 310] umount2("./850", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4432] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 4434 attached ) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 310] openat(AT_FDCWD, "./850", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4433] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... openat resumed>) = 3 [pid 307] getdents64(4 [pid 310] fstat(3 [pid 4433] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4433] close(3 [pid 310] getdents64(3 [pid 307] close(4 [pid 4433] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... close resumed>) = 0 [pid 310] umount2("./850/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./811/config" [pid 4433] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4432] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] newfstatat(AT_FDCWD, "./850/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 4432] <... symlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 310] unlink("./850/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4432] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] close(3 [pid 310] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 4433] write(1, "executing program\n", 18 [pid 307] rmdir("./811" [pid 310] <... umount2 resumed>) = 0 [pid 4433] <... write resumed>) = 18 [pid 4432] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR executing program [pid 4433] mkdirat(AT_FDCWD, "./config", 0777 [pid 4432] <... unlinkat resumed>) = 0 [pid 310] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./812", 0777 [pid 310] newfstatat(AT_FDCWD, "./850/config" [pid 4433] <... mkdirat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./850/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4432] exit_group(0) = ? [pid 4432] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4432, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4435 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(4 [pid 4433] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4433] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4433] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 4433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 4433] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./850/config" [pid 4433] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4433] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rmdir resumed>) = 0 [pid 4433] <... symlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 4433] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4433] <... unlinkat resumed>) = 0 [pid 310] close(3 [pid 4433] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4434] set_robust_list(0x55556c898760, 24 [pid 4433] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4433] exit_group(0 [pid 310] rmdir("./850" [pid 4433] <... exit_group resumed>) = ? [pid 4434] <... set_robust_list resumed>) = 0 [pid 4433] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4435 attached [pid 4435] set_robust_list(0x55556c898760, 24 [pid 310] mkdir("./851", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4435] <... set_robust_list resumed>) = 0 [pid 4435] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4435] chdir("./812") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4435] setpgid(0, 0) = 0 [pid 4435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4435] write(3, "1000", 4) = 4 [pid 4435] close(3) = 0 [pid 4435] symlink("/dev/binderfs", "./binderfs" [pid 306] umount2("./783", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4435] <... symlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4436 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4435] write(1, "executing program\n", 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./783", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4435] <... write resumed>) = 18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4435] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... openat resumed>) = 3 [pid 4435] <... mkdirat resumed>) = 0 [pid 4434] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(3 [pid 4435] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4435] <... mount resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4436 attached [pid 306] getdents64(3 [pid 4436] set_robust_list(0x55556c898760, 24 [pid 4435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4434] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./783/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4436] <... set_robust_list resumed>) = 0 [pid 4435] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./840", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./783/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./840", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] unlink("./783/binderfs" [pid 308] <... openat resumed>) = 3 [pid 4435] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4435] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4436] rt_sigprocmask(SIG_SETMASK, [] [pid 4435] <... mkdirat resumed>) = 0 [pid 308] fstat(3 [pid 306] <... unlink resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4436] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 4435] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4436] chdir("./851" [pid 306] <... umount2 resumed>) = 0 [pid 308] umount2("./840/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4436] <... chdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./840/binderfs" [pid 4436] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] newfstatat(AT_FDCWD, "./783/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4436] <... prctl resumed>) = 0 [pid 308] unlink("./840/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4435] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4436] setpgid(0, 0 [pid 306] umount2("./783/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4436] <... setpgid resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4435] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] openat(AT_FDCWD, "./783/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = 0 [pid 4436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4435] <... unlinkat resumed>) = 0 [pid 308] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 4436] <... openat resumed>) = 3 [pid 4435] exit_group(0 [pid 4434] chdir("./834" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 4436] write(3, "1000", 4 [pid 308] newfstatat(AT_FDCWD, "./840/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4435] <... exit_group resumed>) = ? [pid 4436] <... write resumed>) = 4 [pid 4434] <... chdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(4 [pid 308] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4435] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 308] openat(AT_FDCWD, "./840/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4435, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4436] close(3 [pid 4434] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... openat resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(4 [pid 308] fstat(4 [pid 306] <... close resumed>) = 0 [pid 4436] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./783/config" [pid 4436] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(4 [pid 4434] <... prctl resumed>) = 0 [pid 4434] setpgid(0, 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(3 [pid 4434] <... setpgid resumed>) = 0 [pid 4434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4436] <... symlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 4436] write(1, "executing program\n", 18 [pid 308] close(4 [pid 306] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4436] <... write resumed>) = 18 [pid 308] rmdir("./840/config" [pid 306] rmdir("./783" [pid 4434] <... openat resumed>) = 3 executing program [pid 4436] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 4436] <... mkdirat resumed>) = 0 [pid 4434] write(3, "1000", 4 [pid 308] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./784", 0777 [pid 308] close(3 [pid 4436] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4436] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./840" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4436] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] mkdir("./841", 0777 [pid 4436] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4436] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4436] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4436] exit_group(0) = ? [pid 4436] +++ exited with 0 +++ [pid 4434] <... write resumed>) = 4 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4437 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4436, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4437 attached [pid 4434] close(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4437] set_robust_list(0x55556c898760, 24) = 0 [pid 4437] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4437] chdir("./784") = 0 [pid 4437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4438 [pid 4434] <... close resumed>) = 0 [pid 4437] <... prctl resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4434] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4437] setpgid(0, 0) = 0 [pid 4437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4434] <... symlink resumed>) = 0 [pid 4437] write(3, "1000", 4) = 4 [pid 4437] close(3) = 0 [pid 4437] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4434] write(1, "executing program\n", 18 [pid 4437] write(1, "executing program\n", 18 [pid 4434] <... write resumed>) = 18 [pid 4437] <... write resumed>) = 18 executing program executing program [pid 4437] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4434] mkdirat(AT_FDCWD, "./config", 0777 [pid 4437] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4437] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4437] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4434] <... mkdirat resumed>) = 0 [pid 4437] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4434] mount(NULL, "./config", "configfs", 0, NULL [pid 4437] <... unlinkat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./851", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4437] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4437] <... unlinkat resumed>) = 0 [pid 4434] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./851", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./812", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4437] exit_group(0 [pid 4434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4437] <... exit_group resumed>) = ? [pid 310] fstat(3 [pid 307] openat(AT_FDCWD, "./812", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4434] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 307] fstat(3 [pid 4437] +++ exited with 0 +++ [pid 4434] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./851/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4437, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4434] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] newfstatat(AT_FDCWD, "./851/binderfs" [pid 307] umount2("./812/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4438 attached [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./851/binderfs" [pid 307] newfstatat(AT_FDCWD, "./812/binderfs" [pid 4438] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./812/binderfs" [pid 4438] rt_sigprocmask(SIG_SETMASK, [] [pid 4434] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4434] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4438] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4438] chdir("./841" [pid 310] newfstatat(AT_FDCWD, "./851/config" [pid 307] <... umount2 resumed>) = 0 [pid 4434] <... symlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4434] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./812/config" [pid 4434] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./851/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 4434] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 4438] <... chdir resumed>) = 0 [pid 4438] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./812/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 4438] setpgid(0, 0 [pid 307] <... openat resumed>) = 4 [pid 4438] <... setpgid resumed>) = 0 [pid 4438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4438] write(3, "1000", 4) = 4 [pid 4438] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 310] getdents64(4 [pid 4434] <... unlinkat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 310] close(4 [pid 4438] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4434] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 4438] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./851/config" [pid 4434] <... exit_group resumed>) = ? [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4438] <... symlink resumed>) = 0 [pid 4438] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 310] getdents64(3 [pid 4438] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 310] close(3 [pid 307] rmdir("./812/config" [pid 310] <... close resumed>) = 0 [pid 4438] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] rmdir("./851" [pid 307] <... rmdir resumed>) = 0 [pid 4438] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] mkdir("./852", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4438] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4434] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4434, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rmdir("./812" [pid 4438] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4438] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4438] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4438] exit_group(0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4439 [pid 307] <... rmdir resumed>) = 0 [pid 4438] <... exit_group resumed>) = ? executing program [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] mkdir("./813", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4438] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4438, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4439 attached [pid 4439] set_robust_list(0x55556c898760, 24) = 0 [pid 4439] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4439] chdir("./852") = 0 [pid 4439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4440 [pid 4439] setpgid(0, 0) = 0 [pid 306] umount2("./784", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./841", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./841", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./784", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 306] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4439] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 4439] write(3, "1000", 4) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./841/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./784/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./841/binderfs" [pid 306] newfstatat(AT_FDCWD, "./784/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4439] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./841/binderfs" [pid 306] unlink("./784/binderfs" [pid 4439] <... close resumed>) = 0 [pid 4439] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4439] write(1, "executing program\n", 18) = 18 [pid 4439] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 executing program [pid 4439] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./834", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./841/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./834", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./784/config" [pid 308] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./841/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./784/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4439] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(4 [pid 306] openat(AT_FDCWD, "./784/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./834/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./834/binderfs" [pid 306] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 309] unlink("./834/binderfs" [pid 306] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4439] <... mount resumed>) = 0 [pid 4439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 4439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 306] getdents64(4 [pid 4439] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] rmdir("./841/config" [pid 309] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 4439] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] rmdir("./784/config" [pid 309] newfstatat(AT_FDCWD, "./834/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4439] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(3 [pid 309] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./834/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./841" [pid 309] <... openat resumed>) = 4 [pid 306] close(3 [pid 4439] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4439] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 308] mkdir("./842", 0777 [pid 306] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4439] <... unlinkat resumed>) = 0 [pid 4439] exit_group(0 [pid 308] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 306] rmdir("./784" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4439] <... exit_group resumed>) = ? [pid 4439] +++ exited with 0 +++ [pid 309] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4440 attached [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./785", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4439, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(4 [pid 4440] set_robust_list(0x55556c898760, 24) = 0 [pid 4440] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 4440] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4440] chdir("./813") = 0 [pid 4440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4440] setpgid(0, 0) = 0 [pid 4440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] rmdir("./834/config" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4440] write(3, "1000", 4) = 4 [pid 4440] close(3) = 0 [pid 4440] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4441 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(3 [pid 4440] <... symlink resumed>) = 0 [pid 4440] write(1, "executing program\n", 18) = 18 executing program [pid 4440] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./834" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4442 [pid 4440] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 4440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] mkdir("./835", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4440] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4440] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4440] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./852", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4440] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4440] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4440] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4443 [pid 310] openat(AT_FDCWD, "./852", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4440] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4443 attached ci2-android-6-1/strace-static-x86_64: Process 4442 attached [pid 4440] +++ exited with 0 +++ [pid 310] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4441 attached [pid 4441] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4440, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./852/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4441] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4441] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./852/binderfs" [pid 4441] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./813", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./852/binderfs" [pid 4441] chdir("./842") = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4441] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4441] setpgid(0, 0 [pid 310] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./813", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 4441] <... setpgid resumed>) = 0 [pid 307] fstat(3 [pid 310] <... umount2 resumed>) = 0 [pid 4441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4441] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./852/config" [pid 4441] write(3, "1000", 4) = 4 [pid 4441] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./813/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4441] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./813/binderfs" [pid 310] openat(AT_FDCWD, "./852/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] unlink("./813/binderfs" [pid 310] fstat(4 [pid 4441] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4441] write(1, "executing program\n", 18 [pid 310] getdents64(4 [pid 307] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4441] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4441] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 307] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 307] newfstatat(AT_FDCWD, "./813/config" [pid 310] <... close resumed>) = 0 executing program [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./852/config" [pid 307] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4441] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 307] openat(AT_FDCWD, "./813/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4441] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... openat resumed>) = 4 [pid 310] close(3 [pid 307] fstat(4 [pid 4441] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4442] set_robust_list(0x55556c898760, 24 [pid 310] rmdir("./852" [pid 307] getdents64(4 [pid 4441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4441] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] mkdir("./853", 0777 [pid 307] getdents64(4 [pid 4441] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4441] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] close(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4441] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... close resumed>) = 0 [pid 4441] <... unlinkat resumed>) = 0 [pid 4441] exit_group(0) = ? [pid 4443] set_robust_list(0x55556c898760, 24 [pid 4442] <... set_robust_list resumed>) = 0 [pid 4441] +++ exited with 0 +++ [pid 307] rmdir("./813/config"ci2-android-6-1/strace-static-x86_64: Process 4444 attached [pid 4444] set_robust_list(0x55556c898760, 24) = 0 [pid 4444] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4444 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4441, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rmdir resumed>) = 0 [pid 4442] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 4442] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(3 [pid 4442] chdir("./785" [pid 4444] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 4442] <... chdir resumed>) = 0 [pid 307] rmdir("./813" [pid 4444] chdir("./853") = 0 [pid 4444] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4444] setpgid(0, 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] mkdir("./814", 0777 [pid 4444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4444] write(3, "1000", 4 [pid 4442] <... prctl resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4444] <... write resumed>) = 4 [pid 4442] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4444] close(3 [pid 4442] <... setpgid resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4444] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4444] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4444] write(1, "executing program\n", 18) = 18 executing program [pid 4444] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4444] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4445 [pid 4444] <... mount resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4442] <... openat resumed>) = 3 [pid 4443] <... set_robust_list resumed>) = 0 [pid 4444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4442] write(3, "1000", 4 [pid 4444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4442] <... write resumed>) = 4 [pid 308] umount2("./842", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4443] rt_sigprocmask(SIG_SETMASK, [] [pid 4442] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] openat(AT_FDCWD, "./842", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4443] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4442] <... close resumed>) = 0 [pid 4442] symlink("/dev/binderfs", "./binderfs" [pid 308] <... openat resumed>) = 3 [pid 4443] chdir("./835" [pid 308] fstat(3 [pid 4444] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4444] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] getdents64(3 [pid 4442] <... symlink resumed>) = 0 [pid 4444] <... mkdirat resumed>) = 0 [pid 4443] <... chdir resumed>) = 0 [pid 4442] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4444] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./842/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4442] <... write resumed>) = 18 [pid 4443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4444] <... symlinkat resumed>) = 0 [pid 4444] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4444] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4443] <... prctl resumed>) = 0 executing program [pid 4442] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./842/binderfs" [pid 4444] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4443] setpgid(0, 0 [pid 308] unlink("./842/binderfs" [pid 4444] <... exit_group resumed>) = ? [pid 4444] +++ exited with 0 +++ [pid 4443] <... setpgid resumed>) = 0 [pid 4442] <... mkdirat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4445 attached [pid 308] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4444, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4445] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = 0 [pid 4445] <... set_robust_list resumed>) = 0 [pid 308] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4442] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4445] rt_sigprocmask(SIG_SETMASK, [] [pid 308] newfstatat(AT_FDCWD, "./842/config" [pid 4443] <... openat resumed>) = 3 [pid 4445] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4445] chdir("./814" [pid 4443] write(3, "1000", 4 [pid 308] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4442] <... mount resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4443] <... write resumed>) = 4 [pid 4442] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] openat(AT_FDCWD, "./842/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4445] <... chdir resumed>) = 0 [pid 4443] close(3 [pid 308] <... openat resumed>) = 4 [pid 4442] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(4 [pid 4443] <... close resumed>) = 0 [pid 4442] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] getdents64(4 [pid 4443] symlink("/dev/binderfs", "./binderfs" [pid 4442] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4445] <... prctl resumed>) = 0 [pid 4445] setpgid(0, 0) = 0 [pid 308] getdents64(4 [pid 4442] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] close(4 [pid 4445] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 4443] <... symlink resumed>) = 0 [pid 308] rmdir("./842/config" [pid 4442] <... mkdirat resumed>) = 0 [pid 4445] write(3, "1000", 4) = 4 [pid 4445] close(3) = 0 [pid 4445] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4443] write(1, "executing program\n", 18 [pid 4442] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rmdir resumed>) = 0 [pid 4445] write(1, "executing program\n", 18 [pid 308] getdents64(3 [pid 4445] <... write resumed>) = 18 [pid 4445] mkdirat(AT_FDCWD, "./config", 0777 [pid 4443] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4445] <... mkdirat resumed>) = 0 [pid 4443] mkdirat(AT_FDCWD, "./config", 0777 [pid 4442] <... symlinkat resumed>) = 0 executing program executing program [pid 308] close(3) = 0 [pid 308] rmdir("./842" [pid 4442] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4445] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rmdir resumed>) = 0 [pid 4442] <... unlinkat resumed>) = 0 [pid 308] mkdir("./843", 0777 [pid 4445] <... mount resumed>) = 0 [pid 4442] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... mkdir resumed>) = 0 [pid 4445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4445] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4442] <... unlinkat resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4445] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4445] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4446 [pid 4445] <... symlinkat resumed>) = 0 [pid 4443] <... mkdirat resumed>) = 0 [pid 4442] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4445] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4443] mount(NULL, "./config", "configfs", 0, NULL [pid 4442] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4445] <... unlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4446 attached [pid 4446] set_robust_list(0x55556c898760, 24) = 0 [pid 4442] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 4445] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4443] <... mount resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4442, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./853", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4446] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4446] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./853", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4446] chdir("./843") = 0 [pid 310] fstat(3 [pid 4446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4446] <... prctl resumed>) = 0 [pid 310] getdents64(3 [pid 4446] setpgid(0, 0) = 0 [pid 4446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./853/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./853/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./853/binderfs" [pid 4446] <... openat resumed>) = 3 [pid 4446] write(3, "1000", 4) = 4 [pid 4446] close(3) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4446] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4446] <... symlink resumed>) = 0 [pid 310] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4446] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./853/config" executing program [pid 4446] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4446] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./853/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 306] umount2("./785", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 306] openat(AT_FDCWD, "./785", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 306] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 306] fstat(3 [pid 310] rmdir("./853/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4446] <... mkdirat resumed>) = 0 [pid 4446] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 310] getdents64(3 [pid 4446] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] close(3 [pid 306] umount2("./785/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./853" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4446] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./785/binderfs" [pid 310] mkdir("./854", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4446] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4446] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4446] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] unlink("./785/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4446] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4446] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4446] exit_group(0) = ? [pid 4446] +++ exited with 0 +++ [pid 4445] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4447 [pid 306] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4447 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./785/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./785/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4447] set_robust_list(0x55556c898760, 24 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4447] <... set_robust_list resumed>) = 0 [pid 306] openat(AT_FDCWD, "./785/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4447] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 4447] chdir("./854" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4447] <... chdir resumed>) = 0 [pid 306] close(4 [pid 4447] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... close resumed>) = 0 [pid 4447] setpgid(0, 0 [pid 306] rmdir("./785/config" [pid 4447] <... setpgid resumed>) = 0 [pid 4447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4447] write(3, "1000", 4 [pid 306] <... rmdir resumed>) = 0 [pid 4447] <... write resumed>) = 4 [pid 306] getdents64(3 [pid 4447] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 4447] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4447] symlink("/dev/binderfs", "./binderfs" [pid 4443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rmdir("./785" [pid 4447] <... symlink resumed>) = 0 [pid 4447] write(1, "executing program\n", 18) = 18 [pid 4447] mkdirat(AT_FDCWD, "./config", 0777 [pid 4443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./786", 0777 [pid 4443] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4447] <... mkdirat resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4443] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4447] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4447] <... mount resumed>) = 0 [pid 4447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4447] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4445] exit_group(0) = ? [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4448 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4443] <... mkdirat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4443] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4447] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4447] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4445] +++ exited with 0 +++ [pid 4443] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4447] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4443] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./843", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4447] <... unlinkat resumed>) = 0 [pid 4443] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4447] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] openat(AT_FDCWD, "./843", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4443] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4447] <... unlinkat resumed>) = 0 [pid 4443] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... openat resumed>) = 3 [pid 4447] exit_group(0 [pid 308] fstat(3 [pid 4447] <... exit_group resumed>) = ? [pid 4447] +++ exited with 0 +++ [pid 4443] exit_group(0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4448 attached [pid 4443] <... exit_group resumed>) = ? [pid 308] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4447, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4448] set_robust_list(0x55556c898760, 24) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./843/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./843/binderfs" [pid 4448] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4448] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] unlink("./843/binderfs" [pid 4448] chdir("./786" [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4448] <... chdir resumed>) = 0 [pid 4448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = 0 [pid 4448] <... prctl resumed>) = 0 [pid 308] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4448] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4443] +++ exited with 0 +++ [pid 308] newfstatat(AT_FDCWD, "./843/config" [pid 4448] <... setpgid resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4443, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./843/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 4448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./814", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] openat(AT_FDCWD, "./814", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 307] <... openat resumed>) = 3 [pid 4448] <... openat resumed>) = 3 [pid 4448] write(3, "1000", 4) = 4 [pid 4448] close(3) = 0 [pid 4448] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4448] write(1, "executing program\n", 18) = 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4448] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] fstat(3 [pid 308] close(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 308] rmdir("./843/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./814/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 307] newfstatat(AT_FDCWD, "./814/binderfs" [pid 308] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] unlink("./814/binderfs" [pid 308] rmdir("./843" [pid 4448] <... mkdirat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4448] mount(NULL, "./config", "configfs", 0, NULL [pid 307] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4448] <... mount resumed>) = 0 [pid 4448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 309] umount2("./835", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 309] openat(AT_FDCWD, "./835", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./844", 0777 [pid 307] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 4448] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4448] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] fstat(3 [pid 308] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./814/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./835/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4448] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4448] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4448] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 307] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./835/binderfs" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4449 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./835/binderfs" [pid 310] umount2("./854", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./814/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 4448] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 4 [pid 310] openat(AT_FDCWD, "./854", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4448] exit_group(0 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(4 [pid 310] fstat(3 [pid 309] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 310] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./835/config" [pid 4448] <... exit_group resumed>) = ? [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(4 [pid 310] umount2("./854/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 4448] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./854/binderfs" [pid 309] openat(AT_FDCWD, "./835/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] rmdir("./814/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4448, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4449 attached [pid 4449] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] unlink("./854/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 310] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 307] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 309] close(4 [pid 310] <... umount2 resumed>) = 0 [pid 307] rmdir("./814" [pid 310] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 4449] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4449] chdir("./844" [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./835/config" [pid 310] newfstatat(AT_FDCWD, "./854/config" [pid 307] mkdir("./815", 0777 [pid 4449] <... chdir resumed>) = 0 [pid 4449] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4449] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 4449] <... setpgid resumed>) = 0 [pid 4449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4449] write(3, "1000", 4 [pid 309] getdents64(3 [pid 307] <... mkdir resumed>) = 0 executing program [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 310] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./854/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4449] <... write resumed>) = 4 [pid 4449] close(3 [pid 309] rmdir("./835" [pid 4449] <... close resumed>) = 0 [pid 4449] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4449] write(1, "executing program\n", 18) = 18 [pid 4449] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4450 [pid 306] umount2("./786", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 309] mkdir("./836", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4449] <... mkdirat resumed>) = 0 [pid 4449] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... mkdir resumed>) = 0 [pid 310] fstat(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] openat(AT_FDCWD, "./786", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4449] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 3 [pid 4449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4449] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4449] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] getdents64(4 [pid 306] fstat(3 [pid 4449] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4451 [pid 306] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 4449] <... symlinkat resumed>) = 0 [pid 310] rmdir("./854/config" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4449] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4449] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./786/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 306] newfstatat(AT_FDCWD, "./786/binderfs" [pid 4449] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./854" [pid 306] unlink("./786/binderfs" [pid 4449] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 4451 attached [pid 310] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] mkdir("./855", 0777 [pid 306] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4449] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4449, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./786/config"ci2-android-6-1/strace-static-x86_64: Process 4450 attached [pid 4450] set_robust_list(0x55556c898760, 24) = 0 [pid 4450] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4450] chdir("./815") = 0 [pid 4450] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4452 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4450] setpgid(0, 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./786/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./786/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4450] <... setpgid resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] fstat(4 [pid 4450] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4450] write(3, "1000", 4 [pid 306] getdents64(4 [pid 4450] <... write resumed>) = 4 [pid 4450] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4450] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 4450] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4450] <... symlink resumed>) = 0 [pid 306] close(4 [pid 4450] write(1, "executing program\n", 18 [pid 306] <... close resumed>) = 0 [pid 4450] <... write resumed>) = 18 [pid 306] rmdir("./786/config" executing program [pid 4450] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4450] mount(NULL, "./config", "configfs", 0, NULL [pid 306] getdents64(3 [pid 4450] <... mount resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4451] set_robust_list(0x55556c898760, 24 [pid 4450] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] close(3 [pid 4450] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... close resumed>) = 0 [pid 4450] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rmdir("./786" [pid 308] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4452 attached [pid 4451] <... set_robust_list resumed>) = 0 [pid 4450] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4450] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] mkdir("./787", 0777 [pid 308] umount2("./844", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4452] set_robust_list(0x55556c898760, 24 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./844", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4450] <... symlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4450] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] fstat(3 [pid 4452] <... set_robust_list resumed>) = 0 [pid 4451] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4453 [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 4453 attached [pid 4450] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./844/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4453] set_robust_list(0x55556c898760, 24 [pid 4450] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4453] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4450] <... unlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./844/binderfs" [pid 4451] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4451] chdir("./836" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4450] exit_group(0 [pid 4453] rt_sigprocmask(SIG_SETMASK, [] [pid 308] unlink("./844/binderfs" [pid 4453] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4450] <... exit_group resumed>) = ? [pid 4452] rt_sigprocmask(SIG_SETMASK, [] [pid 4451] <... chdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4452] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4452] chdir("./855" [pid 308] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4451] <... prctl resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./844/config" [pid 4451] setpgid(0, 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4451] <... setpgid resumed>) = 0 [pid 308] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4452] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4450] +++ exited with 0 +++ [pid 308] openat(AT_FDCWD, "./844/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4453] chdir("./787" [pid 4451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4450, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4453] <... chdir resumed>) = 0 [pid 308] fstat(4 [pid 4453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4453] <... prctl resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4453] setpgid(0, 0 [pid 308] getdents64(4 [pid 4453] <... setpgid resumed>) = 0 [pid 4452] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4452] <... prctl resumed>) = 0 [pid 308] getdents64(4 [pid 4453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4452] setpgid(0, 0 [pid 308] close(4 [pid 4453] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 4452] <... setpgid resumed>) = 0 [pid 4453] write(3, "1000", 4 [pid 4452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rmdir("./844/config" [pid 307] <... restart_syscall resumed>) = 0 [pid 4451] <... openat resumed>) = 3 [pid 4452] <... openat resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 4451] write(3, "1000", 4 [pid 4453] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 307] umount2("./815", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 4453] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./844" [pid 4451] <... write resumed>) = 4 [pid 307] openat(AT_FDCWD, "./815", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4451] close(3) = 0 [pid 4452] write(3, "1000", 4 [pid 4451] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 4453] <... close resumed>) = 0 [pid 4452] <... write resumed>) = 4 [pid 4451] <... symlink resumed>) = 0 [pid 308] mkdir("./845", 0777 [pid 307] <... openat resumed>) = 3 [pid 4452] close(3 [pid 4451] write(1, "executing program\n", 18 [pid 4452] <... close resumed>) = 0 [pid 4451] <... write resumed>) = 18 [pid 4452] symlink("/dev/binderfs", "./binderfs" [pid 4451] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 307] fstat(3 [pid 4453] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4453] <... symlink resumed>) = 0 [pid 4452] <... symlink resumed>) = 0 [pid 4451] <... mkdirat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4452] write(1, "executing program\n", 18 [pid 4451] mount(NULL, "./config", "configfs", 0, NULL [pid 4452] <... write resumed>) = 18 [pid 4451] <... mount resumed>) = 0 [pid 4452] mkdirat(AT_FDCWD, "./config", 0777 [pid 4451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4453] write(1, "executing program\n", 18 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4454 executing program executing program executing program [pid 307] umount2("./815/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4453] <... write resumed>) = 18 [pid 4452] <... mkdirat resumed>) = 0 [pid 4451] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4452] mount(NULL, "./config", "configfs", 0, NULL [pid 4451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./815/binderfs" [pid 4453] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4452] <... mount resumed>) = 0 [pid 4451] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] unlink("./815/binderfs" [pid 4452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4451] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4453] <... mkdirat resumed>) = 0 [pid 4452] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4451] <... mkdirat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4451] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4453] mount(NULL, "./config", "configfs", 0, NULL [pid 307] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4452] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4451] <... symlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4453] <... mount resumed>) = 0 [pid 307] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4452] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4451] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4453] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4452] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4451] <... unlinkat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./815/config" [pid 4452] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4451] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4453] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4452] <... symlinkat resumed>) = 0 [pid 4451] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 307] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4453] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4452] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4451] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4453] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4452] <... unlinkat resumed>) = 0 [pid 4451] <... exit_group resumed>) = ? [pid 307] openat(AT_FDCWD, "./815/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4453] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4452] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4451] +++ exited with 0 +++ [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4451, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4454 attached [pid 4454] set_robust_list(0x55556c898760, 24 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4453] <... symlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 4454] <... set_robust_list resumed>) = 0 [pid 4452] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4454] rt_sigprocmask(SIG_SETMASK, [] [pid 4453] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4452] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4452] <... exit_group resumed>) = ? [pid 4454] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4453] <... unlinkat resumed>) = 0 [pid 4452] +++ exited with 0 +++ [pid 307] close(4 [pid 4454] chdir("./845" [pid 4453] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4452, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4453] <... unlinkat resumed>) = 0 [pid 307] rmdir("./815/config" [pid 4454] <... chdir resumed>) = 0 [pid 4453] exit_group(0) = ? [pid 4454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4453] +++ exited with 0 +++ [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 4454] <... prctl resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 4454] setpgid(0, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4453, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4454] <... setpgid resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./787", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./815" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./787", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./816", 0777 [pid 306] <... openat resumed>) = 3 [pid 4454] <... openat resumed>) = 3 [pid 4454] write(3, "1000", 4 [pid 307] <... mkdir resumed>) = 0 [pid 306] fstat(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4454] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4454] close(3) = 0 [pid 4454] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4454] write(1, "executing program\n", 18) = 18 [pid 306] umount2("./787/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4455 [pid 4454] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./787/binderfs" [pid 4454] <... mkdirat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4454] mount(NULL, "./config", "configfs", 0, NULL [pid 306] unlink("./787/binderfs" [pid 4454] <... mount resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 4454] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4454] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4454] <... mkdirat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./787/config" [pid 4454] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4454] <... symlinkat resumed>) = 0 [pid 306] umount2("./787/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4454] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4454] <... unlinkat resumed>) = 0 [pid 306] openat(AT_FDCWD, "./787/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4454] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4454] exit_group(0 [pid 306] getdents64(4 [pid 309] umount2("./836", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4454] <... exit_group resumed>) = ? [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4454] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "./836", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4455 attached [pid 309] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 306] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4455] set_robust_list(0x55556c898760, 24 [pid 306] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] umount2("./845", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./787/config" [pid 4455] <... set_robust_list resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4455] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4455] chdir("./816" [pid 306] <... rmdir resumed>) = 0 [pid 309] umount2("./836/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 4455] <... chdir resumed>) = 0 [pid 4455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 308] openat(AT_FDCWD, "./845", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./836/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 3 [pid 4455] <... prctl resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./855", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./836/binderfs" [pid 308] fstat(3 [pid 306] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4455] setpgid(0, 0) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./855", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 4455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] fstat(3 [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./845/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./787" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4455] <... openat resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 4455] write(3, "1000", 4 [pid 310] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./845/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./788", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./836/config" [pid 4455] <... write resumed>) = 4 [pid 4455] close(3) = 0 [pid 4455] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] umount2("./855/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./845/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4455] write(1, "executing program\n", 18) = 18 [pid 308] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./855/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./836/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./855/binderfs" [pid 309] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = 0 [pid 4455] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] fstat(4 executing program [pid 308] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4455] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./845/config" [pid 4455] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4455] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4455] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] newfstatat(AT_FDCWD, "./855/config" [pid 309] getdents64(4 [pid 308] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4456 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./845/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4455] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./855/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 4 [pid 309] rmdir("./836/config" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 4455] <... symlinkat resumed>) = 0 [pid 4455] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(4 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] getdents64(4 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4455] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] close(3 [pid 308] getdents64(4 [pid 310] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./836" [pid 308] close(4 [pid 310] close(4 [pid 4455] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] rmdir("./855/config" [pid 309] mkdir("./837", 0777 [pid 308] rmdir("./845/config" [pid 4455] exit_group(0) = ? [pid 4455] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] close(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... close resumed>) = 0 [pid 310] rmdir("./855"ci2-android-6-1/strace-static-x86_64: Process 4456 attached [pid 4456] set_robust_list(0x55556c898760, 24) = 0 [pid 4456] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4456] chdir("./788") = 0 [pid 4456] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4456] setpgid(0, 0) = 0 [pid 4456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4457 [pid 308] rmdir("./845" [pid 310] mkdir("./856", 0777 [pid 4456] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4456] <... write resumed>) = 4 [pid 4456] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./816", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4456] <... close resumed>) = 0 [pid 4456] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./846", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./816", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4456] write(1, "executing program\n", 18) = 18 [pid 4456] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... mkdir resumed>) = 0 executing program [pid 4456] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... openat resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(3 [pid 4456] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4456] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4458 [pid 4456] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4456] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4456] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4459 [pid 4456] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4456] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4458 attached [pid 4456] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./816/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4459 attached ci2-android-6-1/strace-static-x86_64: Process 4457 attached [pid 4458] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4456, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4457] set_robust_list(0x55556c898760, 24) = 0 [pid 307] newfstatat(AT_FDCWD, "./816/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4457] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4457] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] unlink("./816/binderfs" [pid 4457] chdir("./837") = 0 [pid 4457] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4457] setpgid(0, 0) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4459] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = 0 [pid 4458] <... set_robust_list resumed>) = 0 [pid 307] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4459] <... set_robust_list resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4457] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./816/config" [pid 4458] rt_sigprocmask(SIG_SETMASK, [] [pid 4457] write(3, "1000", 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4459] rt_sigprocmask(SIG_SETMASK, [] [pid 4457] <... write resumed>) = 4 [pid 307] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4458] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4457] close(3 [pid 307] openat(AT_FDCWD, "./816/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4459] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 4 [pid 4457] <... close resumed>) = 0 [pid 307] fstat(4 [pid 4458] chdir("./856" [pid 4457] symlink("/dev/binderfs", "./binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4459] chdir("./846" [pid 307] getdents64(4 [pid 4458] <... chdir resumed>) = 0 [pid 4459] <... chdir resumed>) = 0 [pid 4458] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4459] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4458] <... prctl resumed>) = 0 [pid 307] getdents64(4 [pid 4459] <... prctl resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4457] <... symlink resumed>) = 0 [pid 307] close(4 [pid 4458] setpgid(0, 0 [pid 4457] write(1, "executing program\n", 18 [pid 307] <... close resumed>) = 0 [pid 4459] setpgid(0, 0 executing program [pid 307] rmdir("./816/config" [pid 4457] <... write resumed>) = 18 [pid 4459] <... setpgid resumed>) = 0 [pid 4458] <... setpgid resumed>) = 0 [pid 4459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 4459] <... openat resumed>) = 3 [pid 4458] <... openat resumed>) = 3 [pid 4457] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] getdents64(3 [pid 4459] write(3, "1000", 4 [pid 4458] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4459] <... write resumed>) = 4 [pid 4458] <... write resumed>) = 4 [pid 307] close(3 [pid 4459] close(3 [pid 4458] close(3 [pid 307] <... close resumed>) = 0 [pid 4459] <... close resumed>) = 0 [pid 4458] <... close resumed>) = 0 [pid 307] rmdir("./816" [pid 4459] symlink("/dev/binderfs", "./binderfs" [pid 4458] symlink("/dev/binderfs", "./binderfs" [pid 306] <... restart_syscall resumed>) = 0 [pid 4459] <... symlink resumed>) = 0 [pid 4458] <... symlink resumed>) = 0 [pid 4457] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./817", 0777 [pid 4459] write(1, "executing program\n", 18 [pid 4458] write(1, "executing program\n", 18 [pid 4459] <... write resumed>) = 18 [pid 4458] <... write resumed>) = 18 [pid 4459] mkdirat(AT_FDCWD, "./config", 0777 executing program executing program [pid 4458] mkdirat(AT_FDCWD, "./config", 0777 [pid 4459] <... mkdirat resumed>) = 0 [pid 4458] <... mkdirat resumed>) = 0 [pid 4457] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./788", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./788", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4457] <... mount resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4459] mount(NULL, "./config", "configfs", 0, NULL [pid 4458] mount(NULL, "./config", "configfs", 0, NULL [pid 4459] <... mount resumed>) = 0 [pid 4458] <... mount resumed>) = 0 [pid 4459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4459] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4458] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4460 [pid 306] fstat(3 [pid 4459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4459] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4458] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] getdents64(3 [pid 4459] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4458] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4459] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4458] <... mkdirat resumed>) = 0 [pid 4457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4459] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4458] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4457] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] umount2("./788/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4459] <... symlinkat resumed>) = 0 [pid 4458] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4457] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4459] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4458] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4457] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] newfstatat(AT_FDCWD, "./788/binderfs" [pid 4459] <... unlinkat resumed>) = 0 [pid 4458] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4459] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4458] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] unlink("./788/binderfs" [pid 4457] <... symlinkat resumed>) = 0 [pid 4459] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4458] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4457] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... unlink resumed>) = 0 [pid 4459] exit_group(0 [pid 4458] exit_group(0 [pid 4457] <... unlinkat resumed>) = 0 [pid 306] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4459] <... exit_group resumed>) = ? [pid 4458] <... exit_group resumed>) = ? [pid 4459] +++ exited with 0 +++ [pid 4458] +++ exited with 0 +++ [pid 4457] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4458, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4459, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./788/config"ci2-android-6-1/strace-static-x86_64: Process 4460 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4460] set_robust_list(0x55556c898760, 24 [pid 4457] <... unlinkat resumed>) = 0 [pid 306] umount2("./788/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4460] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4460] rt_sigprocmask(SIG_SETMASK, [] [pid 4457] exit_group(0 [pid 306] openat(AT_FDCWD, "./788/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4460] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 4 executing program [pid 4457] <... exit_group resumed>) = ? [pid 306] fstat(4 [pid 4460] chdir("./817" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4460] <... chdir resumed>) = 0 [pid 306] getdents64(4 [pid 4460] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4460] setpgid(0, 0 [pid 306] getdents64(4 [pid 4460] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] close(4 [pid 4457] +++ exited with 0 +++ [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./788/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4457, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4460] <... openat resumed>) = 3 [pid 4460] write(3, "1000", 4) = 4 [pid 4460] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 4460] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4460] symlink("/dev/binderfs", "./binderfs" [pid 306] close(3 [pid 310] umount2("./856", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./856", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rmdir("./788" [pid 310] <... openat resumed>) = 3 [pid 4460] <... symlink resumed>) = 0 [pid 310] fstat(3 [pid 4460] write(1, "executing program\n", 18) = 18 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./846", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 306] mkdir("./789", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4460] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] openat(AT_FDCWD, "./846", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4460] <... mkdirat resumed>) = 0 [pid 310] umount2("./856/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./856/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./856/binderfs" [pid 308] getdents64(3 [pid 4460] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./846/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4460] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4460] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4460] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./846/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4461 [pid 310] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4460] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./846/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./856/config" [pid 4460] <... symlinkat resumed>) = 0 [pid 4460] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4461 attached [pid 310] openat(AT_FDCWD, "./856/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = 0 [pid 4460] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4460] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./846/config" [pid 310] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4461] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./846/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4460] <... unlinkat resumed>) = 0 [pid 310] close(4 [pid 308] <... openat resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 308] fstat(4 [pid 310] rmdir("./856/config" [pid 4460] exit_group(0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4461] <... set_robust_list resumed>) = 0 [pid 4461] rt_sigprocmask(SIG_SETMASK, [] [pid 4460] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 310] getdents64(3 [pid 4461] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4461] chdir("./789" [pid 310] close(3 [pid 308] getdents64(4 [pid 4461] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./856" [pid 308] close(4 [pid 4461] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4461] setpgid(0, 0) = 0 [pid 4461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] mkdir("./857", 0777 [pid 308] rmdir("./846/config" [pid 4461] <... openat resumed>) = 3 [pid 4461] write(3, "1000", 4) = 4 [pid 4461] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 4461] <... close resumed>) = 0 [pid 4461] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4461] write(1, "executing program\n", 18) = 18 [pid 4461] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4462 [pid 4461] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./846" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4461] <... mount resumed>) = 0 [pid 4461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4461] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 4461] <... mkdirat resumed>) = 0 [pid 4461] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4461] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4461] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4460] +++ exited with 0 +++ [pid 308] mkdir("./847", 0777 [pid 4461] exit_group(0) = ? executing program [pid 4461] +++ exited with 0 +++ [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4460, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4462 attached [pid 307] umount2("./817", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4461, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] openat(AT_FDCWD, "./817", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4462] set_robust_list(0x55556c898760, 24) = 0 [pid 4462] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4462] chdir("./857") = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4463 [pid 307] fstat(3 [pid 4462] <... prctl resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./837", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 309] openat(AT_FDCWD, "./837", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4462] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... openat resumed>) = 3 [pid 307] umount2("./817/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./817/binderfs" [pid 309] getdents64(3 [pid 4462] <... setpgid resumed>) = 0 [pid 4462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] unlink("./817/binderfs" [pid 309] umount2("./837/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4462] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./837/binderfs" [pid 307] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4462] write(3, "1000", 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 309] unlink("./837/binderfs" [pid 307] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4462] <... write resumed>) = 4 [pid 4462] close(3 [pid 309] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./817/config" [pid 4462] <... close resumed>) = 0 [pid 4462] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4462] write(1, "executing program\n", 18) = 18 executing program [pid 4462] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4462] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./837/config" [pid 307] openat(AT_FDCWD, "./817/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 4 [pid 309] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./837/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 4462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] fstat(4 [pid 4462] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 309] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4462] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] close(4 [pid 309] getdents64(4 [pid 4462] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 309] close(4 [pid 307] rmdir("./817/config" [pid 309] <... close resumed>) = 0 [pid 4462] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4462] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4462] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rmdir("./837/config" [pid 307] <... rmdir resumed>) = 0 [pid 4462] <... unlinkat resumed>) = 0 [pid 4462] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 4462] <... exit_group resumed>) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 4462] +++ exited with 0 +++ [pid 309] close(3 [pid 307] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] umount2("./789", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4462, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./837" [pid 307] rmdir("./817" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4463 attached [pid 4463] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./789", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4463] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4463] chdir("./847" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] mkdir("./838", 0777 [pid 307] mkdir("./818", 0777 [pid 306] fstat(3 [pid 4463] <... chdir resumed>) = 0 [pid 4463] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4463] setpgid(0, 0) = 0 [pid 4463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4463] write(3, "1000", 4) = 4 [pid 4463] close(3 [pid 307] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./789/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4463] <... close resumed>) = 0 [pid 4463] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4463] write(1, "executing program\n", 18) = 18 [pid 4463] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4464 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4463] <... mkdirat resumed>) = 0 [pid 4463] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 306] newfstatat(AT_FDCWD, "./789/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4465 attached [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4465 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] unlink("./789/binderfs" [pid 4463] <... mount resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] umount2("./857", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./857", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = 0 [pid 310] fstat(3 [pid 4463] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./789/config" [pid 4463] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./857/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./789/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./857/binderfs" [pid 306] openat(AT_FDCWD, "./789/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4463] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 4 [pid 4465] set_robust_list(0x55556c898760, 24 [pid 310] unlink("./857/binderfs" [pid 306] fstat(4 [pid 4463] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4463] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... unlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4463] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4463] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./857/config" [pid 4463] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(4 [pid 310] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./789/config" [pid 310] openat(AT_FDCWD, "./857/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4463] exit_group(0) = ? [pid 4465] <... set_robust_list resumed>) = 0 [pid 4463] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4464 attached [pid 310] fstat(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4463, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 4464] set_robust_list(0x55556c898760, 24 [pid 306] close(3 [pid 4464] <... set_robust_list resumed>) = 0 [pid 4464] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./847", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./789" [pid 310] close(4 [pid 308] openat(AT_FDCWD, "./847", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4464] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4464] chdir("./838") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4464] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 306] mkdir("./790", 0777 [pid 310] rmdir("./857/config" [pid 308] fstat(3 [pid 4464] <... prctl resumed>) = 0 [pid 4464] setpgid(0, 0) = 0 [pid 4464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4464] write(3, "1000", 4) = 4 [pid 4464] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4464] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] close(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./847/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./857" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4464] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4464] write(1, "executing program\n", 18) = 18 [pid 4464] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] newfstatat(AT_FDCWD, "./847/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./858", 0777 [pid 308] unlink("./847/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4466 [pid 4464] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 4464] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4464] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 4464] <... mkdirat resumed>) = 0 [pid 4464] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4464] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4467 attached [pid 4465] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4467 [pid 4465] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4467] set_robust_list(0x55556c898760, 24 [pid 4465] chdir("./818" [pid 4464] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] newfstatat(AT_FDCWD, "./847/config" [pid 4464] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4465] <... chdir resumed>) = 0 [pid 4464] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4465] <... prctl resumed>) = 0 [pid 4464] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4464] <... exit_group resumed>) = ? [pid 4467] <... set_robust_list resumed>) = 0 [pid 4465] setpgid(0, 0 [pid 4464] +++ exited with 0 +++ [pid 308] openat(AT_FDCWD, "./847/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4465] <... setpgid resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4466 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4464, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... openat resumed>) = 4 [pid 4465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] fstat(4 [pid 4466] set_robust_list(0x55556c898760, 24 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4465] <... openat resumed>) = 3 [pid 4466] <... set_robust_list resumed>) = 0 [pid 4466] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4466] chdir("./790") = 0 [pid 4465] write(3, "1000", 4 [pid 308] getdents64(4 [pid 4466] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4466] setpgid(0, 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4465] <... write resumed>) = 4 [pid 308] getdents64(4 [pid 4465] close(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4465] <... close resumed>) = 0 [pid 308] close(4 [pid 4466] <... setpgid resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... restart_syscall resumed>) = 0 [pid 308] rmdir("./847/config" [pid 4465] symlink("/dev/binderfs", "./binderfs" [pid 4466] <... openat resumed>) = 3 [pid 4466] write(3, "1000", 4) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 4466] close(3 [pid 308] getdents64(3 [pid 309] umount2("./838", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 309] openat(AT_FDCWD, "./838", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 4466] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] rmdir("./847" [pid 309] fstat(3 [pid 4466] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4466] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 308] mkdir("./848", 0777 [pid 4465] <... symlink resumed>) = 0 [pid 4466] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4466] mkdirat(AT_FDCWD, "./config", 0777 [pid 4467] rt_sigprocmask(SIG_SETMASK, [] [pid 4466] <... mkdirat resumed>) = 0 executing program [pid 4465] write(1, "executing program\n", 18 [pid 309] umount2("./838/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 4466] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4467] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4465] <... write resumed>) = 18 executing program [pid 309] newfstatat(AT_FDCWD, "./838/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4466] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4467] chdir("./858" [pid 4465] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] unlink("./838/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 4466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4466] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4466] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4468 [pid 4466] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./838/config" [pid 4466] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4467] <... chdir resumed>) = 0 [pid 4466] <... unlinkat resumed>) = 0 [pid 4465] <... mkdirat resumed>) = 0 [pid 309] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4466] exit_group(0 [pid 4465] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4466] <... exit_group resumed>) = ? [pid 309] openat(AT_FDCWD, "./838/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4467] <... prctl resumed>) = 0 [pid 4466] +++ exited with 0 +++ [pid 4465] <... mount resumed>) = 0 [pid 309] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4468 attached [pid 4465] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] fstat(4 [pid 4467] setpgid(0, 0 [pid 4465] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4466, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4467] <... setpgid resumed>) = 0 [pid 4465] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4468] set_robust_list(0x55556c898760, 24 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4465] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 4467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 4465] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4468] <... set_robust_list resumed>) = 0 [pid 309] close(4 [pid 4468] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 4468] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./838/config" [pid 4465] <... mkdirat resumed>) = 0 [pid 4468] chdir("./848") = 0 [pid 4468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4465] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(3 [pid 4467] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4468] setpgid(0, 0 [pid 309] close(3 [pid 4468] <... setpgid resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4467] write(3, "1000", 4 [pid 4465] <... symlinkat resumed>) = 0 [pid 309] rmdir("./838" [pid 4468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4468] write(3, "1000", 4) = 4 [pid 4468] close(3 [pid 4465] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 4467] <... write resumed>) = 4 [pid 4468] <... close resumed>) = 0 [pid 309] mkdir("./839", 0777 [pid 4468] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4468] write(1, "executing program\n", 18 [pid 309] <... mkdir resumed>) = 0 [pid 4465] <... unlinkat resumed>) = 0 [pid 4467] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4468] <... write resumed>) = 18 [pid 4465] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4467] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4468] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4468] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4467] symlink("/dev/binderfs", "./binderfs" [pid 4465] <... unlinkat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4469 [pid 4468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4465] exit_group(0 [pid 306] umount2("./790", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4468] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4465] <... exit_group resumed>) = ? [pid 306] openat(AT_FDCWD, "./790", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4468] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... openat resumed>) = 3 [pid 4468] <... mkdirat resumed>) = 0 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4468] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3 [pid 4468] <... symlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4468] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./790/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4465] +++ exited with 0 +++ [pid 4468] <... unlinkat resumed>) = 0 [pid 4468] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4468] exit_group(0) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./790/binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4465, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] unlink("./790/binderfs" [pid 4467] <... symlink resumed>) = 0 [pid 4468] +++ exited with 0 +++ [pid 4467] write(1, "executing program\n", 18 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4469 attached [pid 306] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4467] <... write resumed>) = 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4469] set_robust_list(0x55556c898760, 24 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = 0 executing program [pid 4467] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4469] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4469] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./790/config" [pid 4469] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4469] chdir("./839" [pid 306] umount2("./790/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4467] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4467] mount(NULL, "./config", "configfs", 0, NULL [pid 306] openat(AT_FDCWD, "./790/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4469] <... chdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] fstat(4 [pid 4467] <... mount resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4469] <... prctl resumed>) = 0 [pid 306] getdents64(4 [pid 4467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4469] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4467] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... restart_syscall resumed>) = 0 [pid 306] getdents64(4 [pid 4467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4469] <... setpgid resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4467] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] close(4 [pid 307] umount2("./818", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4467] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./848", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./818", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rmdir("./790/config" [pid 308] openat(AT_FDCWD, "./848", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 4469] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 306] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 4469] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(3 [pid 4467] <... mkdirat resumed>) = 0 [pid 308] umount2("./848/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./818/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4467] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./848/binderfs" [pid 307] newfstatat(AT_FDCWD, "./818/binderfs" [pid 306] rmdir("./790" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 4469] <... write resumed>) = 4 [pid 307] unlink("./818/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 308] unlink("./848/binderfs" [pid 4467] <... symlinkat resumed>) = 0 [pid 4469] close(3 [pid 307] <... unlink resumed>) = 0 [pid 4469] <... close resumed>) = 0 [pid 4469] symlink("/dev/binderfs", "./binderfs" [pid 308] <... unlink resumed>) = 0 [pid 307] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./791", 0777 [pid 4467] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 4469] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 4467] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4467] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] newfstatat(AT_FDCWD, "./848/config" [pid 307] newfstatat(AT_FDCWD, "./818/config" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4469] write(1, "executing program\n", 18) = 18 [pid 4469] mkdirat(AT_FDCWD, "./config", 0777 [pid 4467] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4470 attached [pid 308] openat(AT_FDCWD, "./848/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./818/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4470 [pid 4470] set_robust_list(0x55556c898760, 24 [pid 4467] exit_group(0 [pid 308] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 307] fstat(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4470] <... set_robust_list resumed>) = 0 [pid 4467] <... exit_group resumed>) = ? [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(4 [pid 307] getdents64(4 [pid 4469] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4470] rt_sigprocmask(SIG_SETMASK, [] [pid 4469] mount(NULL, "./config", "configfs", 0, NULL [pid 4467] +++ exited with 0 +++ [pid 308] getdents64(4 [pid 307] getdents64(4 [pid 4470] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4469] <... mount resumed>) = 0 [pid 4469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4470] chdir("./791" [pid 4469] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4467, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] close(4 [pid 307] close(4 [pid 4470] <... chdir resumed>) = 0 [pid 4469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4470] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4469] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4470] <... prctl resumed>) = 0 [pid 4469] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4470] setpgid(0, 0 [pid 4469] <... mkdirat resumed>) = 0 [pid 308] rmdir("./848/config" [pid 307] rmdir("./818/config" [pid 4470] <... setpgid resumed>) = 0 [pid 4469] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4469] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 4470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4469] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4470] <... openat resumed>) = 3 [pid 4469] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 4470] write(3, "1000", 4 [pid 4469] exit_group(0 [pid 4470] <... write resumed>) = 4 [pid 4469] <... exit_group resumed>) = ? [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4470] close(3 [pid 4469] +++ exited with 0 +++ [pid 308] <... close resumed>) = 0 [pid 307] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4469, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rmdir("./848" [pid 307] <... close resumed>) = 0 [pid 4470] <... close resumed>) = 0 executing program [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rmdir("./818" [pid 4470] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 4470] <... symlink resumed>) = 0 [pid 308] mkdir("./849", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 4470] write(1, "executing program\n", 18 [pid 307] mkdir("./819", 0777 [pid 4470] <... write resumed>) = 18 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4470] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4471 attached [pid 4470] <... mkdirat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4472 [pid 4471] set_robust_list(0x55556c898760, 24 [pid 4470] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4471 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4471] <... set_robust_list resumed>) = 0 [pid 310] umount2("./858", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./839", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4471] rt_sigprocmask(SIG_SETMASK, [] [pid 4470] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./858", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4471] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./839", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 4470] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4471] chdir("./849" [pid 4470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4470] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4471] <... chdir resumed>) = 0 [pid 310] umount2("./858/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4471] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4470] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(3 [pid 4471] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./858/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4471] setpgid(0, 0 [pid 4470] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4471] <... setpgid resumed>) = 0 [pid 4470] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./839/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./858/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./839/binderfs" [pid 310] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] unlink("./839/binderfs" [pid 310] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4472 attached [pid 309] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./858/config" [pid 4470] <... symlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4470] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4471] <... openat resumed>) = 3 [pid 4470] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4471] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./858/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./839/config" [pid 4471] <... write resumed>) = 4 [pid 4470] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4471] close(3 [pid 4470] exit_group(0 [pid 310] fstat(4 [pid 309] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4471] <... close resumed>) = 0 [pid 4470] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./839/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4472] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 4472] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 4472] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 310] rmdir("./858/config" [pid 4470] +++ exited with 0 +++ [pid 4472] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4472] chdir("./819") = 0 [pid 4472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 4472] <... prctl resumed>) = 0 [pid 4472] setpgid(0, 0) = 0 [pid 309] getdents64(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4470, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(3 [pid 4471] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 310] close(3 [pid 4472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4471] <... symlink resumed>) = 0 [pid 4472] <... openat resumed>) = 3 [pid 4471] write(1, "executing program\n", 18 [pid 310] rmdir("./858" [pid 309] rmdir("./839/config" [pid 4472] write(3, "1000", 4) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 4472] close(3) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4471] <... write resumed>) = 18 [pid 310] mkdir("./859", 0777 executing program [pid 309] getdents64(3 executing program [pid 4472] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4472] write(1, "executing program\n", 18 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4471] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4472] <... write resumed>) = 18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... close resumed>) = 0 [pid 4471] <... mkdirat resumed>) = 0 [pid 4472] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4473 attached ) = 0 [pid 4471] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rmdir("./839" [pid 4472] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4473 [pid 4472] <... mount resumed>) = 0 [pid 4471] <... mount resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 4473] set_robust_list(0x55556c898760, 24) = 0 [pid 4472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./840", 0777 [pid 4472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4471] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 4473] rt_sigprocmask(SIG_SETMASK, [] [pid 4471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4473] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4471] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4471] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4473] chdir("./859" [pid 4472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4472] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4473] <... chdir resumed>) = 0 [pid 4472] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4471] <... mkdirat resumed>) = 0 [pid 4473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4472] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4474 [pid 4473] <... prctl resumed>) = 0 [pid 4471] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4473] setpgid(0, 0 [pid 4472] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4471] <... symlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4473] <... setpgid resumed>) = 0 [pid 4471] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4472] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4471] <... unlinkat resumed>) = 0 [pid 4473] <... openat resumed>) = 3 [pid 4472] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4473] write(3, "1000", 4 [pid 4472] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4471] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4473] <... write resumed>) = 4 [pid 4472] <... unlinkat resumed>) = 0 [pid 4473] close(3 [pid 4472] exit_group(0 [pid 4471] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4473] <... close resumed>) = 0 [pid 4472] <... exit_group resumed>) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 4473] symlink("/dev/binderfs", "./binderfs" [pid 4472] +++ exited with 0 +++ [pid 4471] exit_group(0) = ? [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4472, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4474 attached [pid 306] umount2("./791", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4471] +++ exited with 0 +++ [pid 306] openat(AT_FDCWD, "./791", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 3 [pid 4473] <... symlink resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4473] write(1, "executing program\n", 18 [pid 306] fstat(3 [pid 4473] <... write resumed>) = 18 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4473] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] getdents64(3 [pid 4474] set_robust_list(0x55556c898760, 24 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./791/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./791/binderfs" [pid 4473] <... mkdirat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4473] mount(NULL, "./config", "configfs", 0, NULL [pid 306] unlink("./791/binderfs" [pid 4474] <... set_robust_list resumed>) = 0 [pid 4474] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... unlink resumed>) = 0 [pid 4473] <... mount resumed>) = 0 [pid 306] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = 0 [pid 4473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4473] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4473] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./791/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4473] <... mkdirat resumed>) = 0 [pid 306] umount2("./791/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4473] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./791/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4473] <... symlinkat resumed>) = 0 [pid 4473] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 4473] <... unlinkat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4473] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4473] <... unlinkat resumed>) = 0 [pid 306] getdents64(4 [pid 4473] exit_group(0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4473] <... exit_group resumed>) = ? [pid 306] close(4) = 0 [pid 306] rmdir("./791/config" [pid 4474] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4474] chdir("./840" [pid 306] <... rmdir resumed>) = 0 [pid 4474] <... chdir resumed>) = 0 [pid 306] getdents64(3 [pid 4474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4474] <... prctl resumed>) = 0 [pid 4473] +++ exited with 0 +++ [pid 306] close(3 [pid 4474] setpgid(0, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 4474] <... setpgid resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./791" [pid 4474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... restart_syscall resumed>) = 0 [pid 4474] <... openat resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4474] write(3, "1000", 4) = 4 [pid 307] umount2("./819", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./792", 0777 [pid 4474] close(3 [pid 310] umount2("./859", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4474] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./819", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4474] symlink("/dev/binderfs", "./binderfs" [pid 307] <... openat resumed>) = 3 [pid 4474] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 306] <... mkdir resumed>) = 0 [pid 4474] write(1, "executing program\n", 18 [pid 310] openat(AT_FDCWD, "./859", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4474] <... write resumed>) = 18 [pid 310] <... openat resumed>) = 3 [pid 308] umount2("./849", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4474] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4474] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./849", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./819/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4474] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4474] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(3 [pid 307] newfstatat(AT_FDCWD, "./819/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./859/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4474] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] unlink("./819/binderfs" [pid 4474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4475 attached [pid 4474] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4475 [pid 4475] set_robust_list(0x55556c898760, 24 [pid 4474] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] newfstatat(AT_FDCWD, "./859/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = 0 [pid 4475] <... set_robust_list resumed>) = 0 [pid 4474] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./849/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4475] rt_sigprocmask(SIG_SETMASK, [] [pid 4474] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] unlink("./859/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4475] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4474] <... symlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./849/binderfs" [pid 307] newfstatat(AT_FDCWD, "./819/config" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4475] chdir("./792" [pid 4474] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4475] <... chdir resumed>) = 0 [pid 4474] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] unlink("./849/binderfs" [pid 307] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4474] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4475] <... prctl resumed>) = 0 [pid 4474] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./819/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4475] setpgid(0, 0 [pid 4474] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./859/config" [pid 308] <... umount2 resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 4475] <... setpgid resumed>) = 0 [pid 4474] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 4475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4474] +++ exited with 0 +++ [pid 310] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4475] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./849/config" [pid 307] getdents64(4 [pid 4475] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./859/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4474, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4475] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 4475] close(3 [pid 310] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4475] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./849/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(4 [pid 4475] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(4 [pid 308] <... openat resumed>) = 4 [pid 307] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(4 [pid 307] rmdir("./819/config" [pid 4475] <... symlink resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4475] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 307] getdents64(3 [pid 310] close(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 4475] <... write resumed>) = 18 [pid 310] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] close(3 [pid 4475] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rmdir("./859/config" [pid 308] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./819" [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4475] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 308] close(4 [pid 307] mkdir("./820", 0777 [pid 4475] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4475] <... mount resumed>) = 0 [pid 310] close(3 [pid 308] rmdir("./849/config" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4476 attached [pid 4475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./859" [pid 308] <... rmdir resumed>) = 0 [pid 4475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4476 [pid 4475] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4476] set_robust_list(0x55556c898760, 24 [pid 4475] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] mkdir("./860", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4476] <... set_robust_list resumed>) = 0 [pid 4476] rt_sigprocmask(SIG_SETMASK, [] [pid 4475] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] close(3 [pid 4476] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4475] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./840", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./849" [pid 4476] chdir("./820") = 0 [pid 4476] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4476] setpgid(0, 0 [pid 4475] <... symlinkat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4477 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./850", 0777ci2-android-6-1/strace-static-x86_64: Process 4477 attached [pid 4476] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] openat(AT_FDCWD, "./840", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 4475] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] fstat(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4477] set_robust_list(0x55556c898760, 24) = 0 [pid 4476] <... openat resumed>) = 3 [pid 4475] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4477] rt_sigprocmask(SIG_SETMASK, [] [pid 4475] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 4477] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4476] write(3, "1000", 4 [pid 4475] <... unlinkat resumed>) = 0 [pid 4476] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4476] close(3ci2-android-6-1/strace-static-x86_64: Process 4478 attached [pid 4477] chdir("./860" [pid 4476] <... close resumed>) = 0 [pid 4475] exit_group(0 [pid 309] umount2("./840/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4478] set_robust_list(0x55556c898760, 24 [pid 4477] <... chdir resumed>) = 0 [pid 4475] <... exit_group resumed>) = ? [pid 4478] <... set_robust_list resumed>) = 0 [pid 4477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4478 [pid 4476] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4476] write(1, "executing program\n", 18 [pid 4475] +++ exited with 0 +++ [pid 4477] <... prctl resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./840/binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4477] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4475, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4477] <... setpgid resumed>) = 0 [pid 4478] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./840/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4476] <... write resumed>) = 18 [pid 309] <... unlink resumed>) = 0 [pid 4478] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4477] <... openat resumed>) = 3 [pid 309] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4477] write(3, "1000", 4 executing program [pid 4478] chdir("./850" [pid 4477] <... write resumed>) = 4 [pid 4476] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 4478] <... chdir resumed>) = 0 [pid 4477] close(3 [pid 4478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4477] <... close resumed>) = 0 [pid 4476] <... mkdirat resumed>) = 0 [pid 309] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4478] <... prctl resumed>) = 0 [pid 4477] symlink("/dev/binderfs", "./binderfs" [pid 4478] setpgid(0, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4476] mount(NULL, "./config", "configfs", 0, NULL [pid 309] newfstatat(AT_FDCWD, "./840/config" [pid 4478] <... setpgid resumed>) = 0 [pid 4477] <... symlink resumed>) = 0 [pid 4476] <... mount resumed>) = 0 [pid 4478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4477] write(1, "executing program\n", 18 executing program [pid 4476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4478] <... openat resumed>) = 3 [pid 4477] <... write resumed>) = 18 [pid 4476] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4478] write(3, "1000", 4 [pid 4476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4478] <... write resumed>) = 4 [pid 4477] mkdirat(AT_FDCWD, "./config", 0777 [pid 4476] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4478] close(3 [pid 4476] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4478] <... close resumed>) = 0 [pid 4477] <... mkdirat resumed>) = 0 [pid 4476] <... mkdirat resumed>) = 0 [pid 4478] symlink("/dev/binderfs", "./binderfs" [pid 4477] mount(NULL, "./config", "configfs", 0, NULL [pid 4476] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] openat(AT_FDCWD, "./840/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4478] <... symlink resumed>) = 0 [pid 4477] <... mount resumed>) = 0 [pid 4476] <... symlinkat resumed>) = 0 [pid 4478] write(1, "executing program\n", 18 [pid 4477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 4476] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... openat resumed>) = 4 [pid 4478] <... write resumed>) = 18 [pid 4477] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4476] <... unlinkat resumed>) = 0 [pid 4478] mkdirat(AT_FDCWD, "./config", 0777 [pid 4477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4476] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(4 [pid 4477] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4476] <... unlinkat resumed>) = 0 [pid 4478] <... mkdirat resumed>) = 0 [pid 4477] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4476] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4478] mount(NULL, "./config", "configfs", 0, NULL [pid 4477] <... mkdirat resumed>) = 0 [pid 4476] <... exit_group resumed>) = ? [pid 4478] <... mount resumed>) = 0 [pid 4477] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4476] +++ exited with 0 +++ [pid 309] getdents64(4 [pid 4478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4477] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4478] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4477] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4476, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4477] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./820", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4478] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4477] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4478] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4477] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./820", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4477] exit_group(0 [pid 309] rmdir("./840/config" [pid 307] <... openat resumed>) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4477] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./820/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./820/binderfs" [pid 4477] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4478] <... mkdirat resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4477, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./840" [pid 307] unlink("./820/binderfs" [pid 4478] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... unlink resumed>) = 0 [pid 4478] <... symlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 4478] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] mkdir("./841", 0777 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./820/config" [pid 4478] <... unlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4478] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./792", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4478] <... unlinkat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./820/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4479 attached [pid 4478] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4479 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./792", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4479] set_robust_list(0x55556c898760, 24 [pid 4478] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 3 [pid 307] getdents64(4 [pid 306] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4478] +++ exited with 0 +++ [pid 307] close(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4479] <... set_robust_list resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4478, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./820/config" [pid 306] getdents64(3 [pid 4479] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rmdir resumed>) = 0 [pid 4479] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4479] chdir("./841" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4479] <... chdir resumed>) = 0 [pid 307] close(3 [pid 306] umount2("./792/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4479] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... close resumed>) = 0 [pid 4479] <... prctl resumed>) = 0 [pid 307] rmdir("./820" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4479] setpgid(0, 0 [pid 307] <... rmdir resumed>) = 0 [pid 4479] <... setpgid resumed>) = 0 [pid 307] mkdir("./821", 0777 [pid 306] newfstatat(AT_FDCWD, "./792/binderfs" [pid 4479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... mkdir resumed>) = 0 [pid 4479] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4479] write(3, "1000", 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4479] <... write resumed>) = 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] unlink("./792/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4480 attached [pid 4479] close(3 [pid 4480] set_robust_list(0x55556c898760, 24 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4480 [pid 306] <... unlink resumed>) = 0 [pid 4480] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4480] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4480] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4480] chdir("./821") = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4480] <... prctl resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4480] setpgid(0, 0 [pid 306] newfstatat(AT_FDCWD, "./792/config" [pid 4480] <... setpgid resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] umount2("./792/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4480] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4480] write(3, "1000", 4 [pid 306] openat(AT_FDCWD, "./792/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4480] <... write resumed>) = 4 [pid 306] <... openat resumed>) = 4 [pid 4480] close(3 [pid 306] fstat(4 [pid 4480] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4480] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(4 [pid 4480] <... symlink resumed>) = 0 [pid 4479] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4480] write(1, "executing program\n", 18 [pid 306] getdents64(4 [pid 4480] <... write resumed>) = 18 [pid 4480] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 4480] <... mkdirat resumed>) = 0 [pid 4479] symlink("/dev/binderfs", "./binderfs" [pid 306] close(4 [pid 4480] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... close resumed>) = 0 [pid 4480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rmdir("./792/config" [pid 310] <... restart_syscall resumed>) = 0 [pid 4480] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4480] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4480] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3 [pid 310] umount2("./860", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4480] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./860", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 4480] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 310] fstat(3 [pid 306] rmdir("./792" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4480] <... unlinkat resumed>) = 0 [pid 4480] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 306] mkdir("./793", 0777 [pid 4480] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4480] <... exit_group resumed>) = ? [pid 4480] +++ exited with 0 +++ [pid 4479] <... symlink resumed>) = 0 [pid 310] umount2("./860/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 4479] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4480, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4479] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./860/binderfs" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 310] unlink("./860/binderfs" [pid 4479] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4481 attached ) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4481] set_robust_list(0x55556c898760, 24 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4481 [pid 4479] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = 0 [pid 4481] <... set_robust_list resumed>) = 0 [pid 308] umount2("./850", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./850", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4481] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./860/config" [pid 4481] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(3 [pid 4481] chdir("./793" [pid 4479] <... mount resumed>) = 0 [pid 310] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4481] <... chdir resumed>) = 0 [pid 4479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 4481] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] openat(AT_FDCWD, "./860/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4481] <... prctl resumed>) = 0 [pid 4479] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4481] setpgid(0, 0 [pid 310] fstat(4 [pid 4481] <... setpgid resumed>) = 0 [pid 308] umount2("./850/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./850/binderfs" [pid 4479] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4481] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4481] write(3, "1000", 4 [pid 310] getdents64(4 [pid 308] unlink("./850/binderfs" [pid 4481] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4479] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 4481] close(3 [pid 310] close(4 [pid 308] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4481] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4481] symlink("/dev/binderfs", "./binderfs" [pid 4479] <... mkdirat resumed>) = 0 [pid 310] rmdir("./860/config" [pid 308] <... umount2 resumed>) = 0 [pid 4479] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 4479] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] getdents64(3 [pid 4481] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4481] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./850/config" [pid 4481] <... write resumed>) = 18 [pid 310] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4481] mkdirat(AT_FDCWD, "./config", 0777 [pid 4479] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... close resumed>) = 0 [pid 308] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 4479] <... unlinkat resumed>) = 0 [pid 310] rmdir("./860" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4479] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./850/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4481] <... mkdirat resumed>) = 0 [pid 4479] <... exit_group resumed>) = ? [pid 310] mkdir("./861", 0777 [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./821", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4481] mount(NULL, "./config", "configfs", 0, NULL [pid 4479] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4481] <... mount resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./821", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4479, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 307] <... openat resumed>) = 3 [pid 4481] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./821/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4482 attached [pid 4481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4482 [pid 308] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4482] set_robust_list(0x55556c898760, 24 [pid 4481] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./821/binderfs" [pid 4482] <... set_robust_list resumed>) = 0 [pid 4481] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] close(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 307] unlink("./821/binderfs" [pid 4482] rt_sigprocmask(SIG_SETMASK, [] [pid 4481] <... mkdirat resumed>) = 0 [pid 308] rmdir("./850/config" [pid 307] <... unlink resumed>) = 0 [pid 4482] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4481] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4481] <... symlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4482] chdir("./861" [pid 307] <... umount2 resumed>) = 0 [pid 4482] <... chdir resumed>) = 0 [pid 4481] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] getdents64(3 [pid 307] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4481] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4482] <... prctl resumed>) = 0 [pid 4481] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] close(3 [pid 307] newfstatat(AT_FDCWD, "./821/config" [pid 4482] setpgid(0, 0 [pid 308] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4482] <... setpgid resumed>) = 0 [pid 4481] <... unlinkat resumed>) = 0 [pid 308] rmdir("./850" [pid 307] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./821/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4481] exit_group(0 [pid 308] mkdir("./851", 0777 [pid 307] <... openat resumed>) = 4 [pid 4482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4481] <... exit_group resumed>) = ? [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(4 [pid 309] umount2("./841", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4) = 0 [pid 307] rmdir("./821/config" [pid 309] openat(AT_FDCWD, "./841", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 309] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4483 [pid 307] <... close resumed>) = 0 [pid 4481] +++ exited with 0 +++ [pid 309] fstat(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./821" [pid 4482] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4481, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4482] write(3, "1000", 4 [pid 309] getdents64(3 [pid 307] mkdir("./822", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4483 attached [pid 4482] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4482] close(3 [pid 309] umount2("./841/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4482] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4482] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./841/binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 4483] set_robust_list(0x55556c898760, 24 [pid 4482] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4483] <... set_robust_list resumed>) = 0 [pid 4482] write(1, "executing program\n", 18 [pid 309] unlink("./841/binderfs" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 4483] rt_sigprocmask(SIG_SETMASK, [] [pid 4482] <... write resumed>) = 18 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4484 attached [pid 4483] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4482] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... unlink resumed>) = 0 [pid 4484] set_robust_list(0x55556c898760, 24 [pid 4483] chdir("./851" [pid 309] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4484 [pid 4484] <... set_robust_list resumed>) = 0 [pid 4483] <... chdir resumed>) = 0 [pid 4482] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4482] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4484] rt_sigprocmask(SIG_SETMASK, [] [pid 4483] <... prctl resumed>) = 0 [pid 4482] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4484] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4483] setpgid(0, 0 [pid 4482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] newfstatat(AT_FDCWD, "./841/config" [pid 4482] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4484] chdir("./822") = 0 [pid 4483] <... setpgid resumed>) = 0 [pid 4482] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4482] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4484] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./841/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4484] setpgid(0, 0 [pid 4483] <... openat resumed>) = 3 [pid 4482] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4484] <... setpgid resumed>) = 0 [pid 4482] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] fstat(4 [pid 4483] write(3, "1000", 4 [pid 4482] <... symlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4483] <... write resumed>) = 4 [pid 4482] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 4483] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4484] <... openat resumed>) = 3 [pid 4482] <... unlinkat resumed>) = 0 [pid 4484] write(3, "1000", 4 [pid 309] getdents64(4 [pid 4482] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4484] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4484] close(3 [pid 4483] <... close resumed>) = 0 [pid 4482] <... unlinkat resumed>) = 0 [pid 309] close(4 [pid 4484] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4484] symlink("/dev/binderfs", "./binderfs" [pid 4483] symlink("/dev/binderfs", "./binderfs" [pid 4482] exit_group(0 [pid 309] rmdir("./841/config" [pid 4484] <... symlink resumed>) = 0 [pid 4483] <... symlink resumed>) = 0 [pid 4482] <... exit_group resumed>) = ? [pid 4483] write(1, "executing program\n", 18) = 18 executing program [pid 4483] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4483] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(3 [pid 4483] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4482] +++ exited with 0 +++ [pid 309] close(3 [pid 4484] write(1, "executing program\n", 18 [pid 309] <... close resumed>) = 0 [pid 4484] <... write resumed>) = 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4482, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4484] mkdirat(AT_FDCWD, "./config", 0777 [pid 4483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./841" [pid 4483] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4483] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4484] <... mkdirat resumed>) = 0 [pid 4483] <... mkdirat resumed>) = 0 [pid 4483] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4484] mount(NULL, "./config", "configfs", 0, NULL [pid 4483] <... symlinkat resumed>) = 0 [pid 309] mkdir("./842", 0777 [pid 4484] <... mount resumed>) = 0 [pid 4483] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4483] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... mkdir resumed>) = 0 [pid 306] umount2("./793", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4484] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4483] <... unlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4483] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4484] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4483] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4484] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4483] +++ exited with 0 +++ [pid 306] openat(AT_FDCWD, "./793", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 3 [pid 4484] <... mkdirat resumed>) = 0 [pid 4484] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-6-1/strace-static-x86_64: Process 4485 attached ) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4485 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4483, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] fstat(3 [pid 4485] set_robust_list(0x55556c898760, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4485] <... set_robust_list resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4484] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 4485] rt_sigprocmask(SIG_SETMASK, [] [pid 4484] <... unlinkat resumed>) = 0 [pid 4485] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4484] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4485] chdir("./842" [pid 4484] <... unlinkat resumed>) = 0 [pid 4485] <... chdir resumed>) = 0 [pid 4484] exit_group(0 [pid 306] umount2("./793/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4485] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4484] <... exit_group resumed>) = ? [pid 4485] <... prctl resumed>) = 0 [pid 4484] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4485] setpgid(0, 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4484, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4485] <... setpgid resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./793/binderfs" [pid 4485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./861", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./861", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] unlink("./793/binderfs" [pid 4485] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 4485] write(3, "1000", 4) = 4 [pid 310] fstat(3 [pid 306] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 4485] close(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = 0 [pid 4485] <... close resumed>) = 0 [pid 310] umount2("./861/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4485] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4485] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./861/binderfs" [pid 306] newfstatat(AT_FDCWD, "./793/config" [pid 4485] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./861/binderfs" [pid 306] umount2("./793/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4485] <... write resumed>) = 18 [pid 310] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4485] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./793/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4485] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4485] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 4485] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./861/config" [pid 306] getdents64(4 [pid 4485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./861/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(4 [pid 4485] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 4485] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(4 [pid 306] rmdir("./793/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4485] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 4485] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(3 [pid 310] getdents64(4 [pid 4485] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4485] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] close(4 [pid 306] close(3 [pid 4485] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4485] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./861/config" [pid 306] rmdir("./793" [pid 4485] <... unlinkat resumed>) = 0 [pid 4485] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 4485] <... exit_group resumed>) = ? [pid 4485] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4485, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] mkdir("./794", 0777 [pid 308] umount2("./851", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./851", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./861" [pid 308] <... openat resumed>) = 3 [pid 306] <... mkdir resumed>) = 0 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] mkdir("./862", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./851/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./851/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] unlink("./851/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./842", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./822", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./822", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 4487 attached ci2-android-6-1/strace-static-x86_64: Process 4486 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4486 [pid 309] openat(AT_FDCWD, "./842", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./851/config" [pid 307] fstat(3 [pid 4487] set_robust_list(0x55556c898760, 24 [pid 4486] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4487 [pid 4487] <... set_robust_list resumed>) = 0 [pid 4486] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 308] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 4487] rt_sigprocmask(SIG_SETMASK, [] [pid 4486] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4487] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4486] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 308] openat(AT_FDCWD, "./851/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./822/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4486] chdir("./862" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... openat resumed>) = 4 [pid 4487] chdir("./794" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4487] <... chdir resumed>) = 0 [pid 4486] <... chdir resumed>) = 0 [pid 309] umount2("./842/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 307] newfstatat(AT_FDCWD, "./822/binderfs" [pid 4487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4487] <... prctl resumed>) = 0 [pid 4486] <... prctl resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./842/binderfs" [pid 308] getdents64(4 [pid 307] unlink("./822/binderfs" [pid 4487] setpgid(0, 0 [pid 4486] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... unlink resumed>) = 0 [pid 4487] <... setpgid resumed>) = 0 [pid 4486] <... setpgid resumed>) = 0 [pid 309] unlink("./842/binderfs" [pid 308] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 307] <... umount2 resumed>) = 0 [pid 4487] <... openat resumed>) = 3 [pid 4486] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4487] write(3, "1000", 4 [pid 4486] write(3, "1000", 4 [pid 309] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./851/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4487] <... write resumed>) = 4 [pid 4486] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./822/config" [pid 4487] close(3 [pid 4486] close(3 [pid 309] newfstatat(AT_FDCWD, "./842/config" [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4487] <... close resumed>) = 0 [pid 4486] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4487] symlink("/dev/binderfs", "./binderfs" [pid 4486] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4486] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./822/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4487] <... symlink resumed>) = 0 [pid 4486] write(1, "executing program\n", 18 [pid 309] openat(AT_FDCWD, "./842/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 308] rmdir("./851" [pid 307] <... openat resumed>) = 4 [pid 4487] write(1, "executing program\n", 18 [pid 4486] <... write resumed>) = 18 [pid 309] <... openat resumed>) = 4 [pid 308] <... rmdir resumed>) = 0 executing program [pid 307] fstat(4 [pid 4487] <... write resumed>) = 18 [pid 4486] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] fstat(4 [pid 308] mkdir("./852", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4487] mkdirat(AT_FDCWD, "./config", 0777 [pid 4486] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 4487] <... mkdirat resumed>) = 0 [pid 4486] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4487] mount(NULL, "./config", "configfs", 0, NULL [pid 4486] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(4 [pid 4487] <... mount resumed>) = 0 [pid 4486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4488 attached [pid 4487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 4488] set_robust_list(0x55556c898760, 24 [pid 4487] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4488 [pid 307] <... close resumed>) = 0 [pid 4488] <... set_robust_list resumed>) = 0 [pid 4487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4486] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./822/config" [pid 4488] rt_sigprocmask(SIG_SETMASK, [] [pid 4487] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4486] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rmdir("./842/config" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4488] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4487] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 4487] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4486] <... mkdirat resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4488] chdir("./852" [pid 4487] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4486] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 4488] <... chdir resumed>) = 0 [pid 4487] <... symlinkat resumed>) = 0 [pid 4486] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] close(3 [pid 307] <... close resumed>) = 0 [pid 4488] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4487] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4486] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./822" [pid 4488] <... prctl resumed>) = 0 [pid 4487] <... unlinkat resumed>) = 0 [pid 4486] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] rmdir("./842" [pid 307] <... rmdir resumed>) = 0 [pid 4488] setpgid(0, 0 [pid 4487] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4486] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] mkdir("./823", 0777 [pid 4488] <... setpgid resumed>) = 0 [pid 4487] <... unlinkat resumed>) = 0 [pid 4486] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4487] exit_group(0 [pid 4486] exit_group(0 [pid 309] mkdir("./843", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4487] <... exit_group resumed>) = ? [pid 4486] <... exit_group resumed>) = ? [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4487] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4489 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4487, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4486] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4489 attached [pid 4489] set_robust_list(0x55556c898760, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4486, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4488] <... openat resumed>) = 3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4490 ci2-android-6-1/strace-static-x86_64: Process 4490 attached [pid 4488] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4490] set_robust_list(0x55556c898760, 24 [pid 4488] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4490] <... set_robust_list resumed>) = 0 [pid 4488] close(3) = 0 [pid 4490] rt_sigprocmask(SIG_SETMASK, [] [pid 4488] symlink("/dev/binderfs", "./binderfs" [pid 4490] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4489] <... set_robust_list resumed>) = 0 [pid 4488] <... symlink resumed>) = 0 [pid 4490] chdir("./843" [pid 4488] write(1, "executing program\n", 18 [pid 4490] <... chdir resumed>) = 0 [pid 4488] <... write resumed>) = 18 executing program [pid 4490] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4489] rt_sigprocmask(SIG_SETMASK, [] [pid 4488] mkdirat(AT_FDCWD, "./config", 0777 [pid 4490] <... prctl resumed>) = 0 [pid 4489] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4489] chdir("./823" [pid 4490] setpgid(0, 0 [pid 4488] <... mkdirat resumed>) = 0 [pid 4490] <... setpgid resumed>) = 0 [pid 4488] mount(NULL, "./config", "configfs", 0, NULL [pid 4490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4488] <... mount resumed>) = 0 [pid 4488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4489] <... chdir resumed>) = 0 [pid 4488] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4490] <... openat resumed>) = 3 [pid 4488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4490] write(3, "1000", 4) = 4 [pid 4488] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4490] close(3 [pid 4488] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4489] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4490] <... close resumed>) = 0 [pid 4488] <... mkdirat resumed>) = 0 [pid 4490] symlink("/dev/binderfs", "./binderfs" [pid 4488] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4489] <... prctl resumed>) = 0 [pid 4488] <... symlinkat resumed>) = 0 [pid 4488] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4488] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4490] <... symlink resumed>) = 0 [pid 4489] setpgid(0, 0 [pid 4488] <... unlinkat resumed>) = 0 executing program [pid 4490] write(1, "executing program\n", 18) = 18 [pid 4488] exit_group(0) = ? [pid 4490] mkdirat(AT_FDCWD, "./config", 0777 [pid 4489] <... setpgid resumed>) = 0 [pid 4489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4488] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4488, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 4490] <... mkdirat resumed>) = 0 [pid 4490] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] umount2("./852", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4490] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./852", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 4490] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(3 [pid 4490] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./862", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 4490] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4490] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./862", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./852/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4489] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4490] <... symlinkat resumed>) = 0 [pid 4489] write(3, "1000", 4 [pid 310] fstat(3 [pid 308] newfstatat(AT_FDCWD, "./852/binderfs" [pid 4490] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4489] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4490] <... unlinkat resumed>) = 0 [pid 4489] close(3 [pid 310] getdents64(3 [pid 308] unlink("./852/binderfs" [pid 4490] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4489] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... unlink resumed>) = 0 [pid 4490] <... unlinkat resumed>) = 0 [pid 4489] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./862/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4490] exit_group(0 [pid 4489] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 4490] <... exit_group resumed>) = ? [pid 4489] write(1, "executing program\n", 18 [pid 310] newfstatat(AT_FDCWD, "./862/binderfs" [pid 308] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4489] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4489] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] unlink("./862/binderfs" [pid 308] newfstatat(AT_FDCWD, "./852/config" [pid 4490] +++ exited with 0 +++ [pid 4489] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4490, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4489] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4489] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./843", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./852/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4489] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 4 [pid 306] umount2("./794", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./862/config" [pid 309] openat(AT_FDCWD, "./843", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(4 [pid 4489] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4489] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 308] getdents64(4 [pid 4489] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] openat(AT_FDCWD, "./794", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4489] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./862/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 308] getdents64(4 [pid 4489] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 3 [pid 4489] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(4 [pid 309] umount2("./843/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 4489] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 306] fstat(3 [pid 4489] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./843/binderfs" [pid 308] rmdir("./852/config" [pid 4489] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4489] exit_group(0 [pid 310] getdents64(4 [pid 309] unlink("./843/binderfs" [pid 308] getdents64(3 [pid 4489] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 4489] +++ exited with 0 +++ [pid 310] close(4 [pid 309] <... unlink resumed>) = 0 [pid 308] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4489, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rmdir("./862/config" [pid 309] <... umount2 resumed>) = 0 [pid 308] rmdir("./852" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./794/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./853", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./843/config" [pid 308] <... mkdir resumed>) = 0 [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] newfstatat(AT_FDCWD, "./794/binderfs" [pid 310] <... close resumed>) = 0 [pid 309] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rmdir("./862" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./843/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4491 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4491 attached [pid 306] unlink("./794/binderfs" [pid 310] mkdir("./863", 0777 [pid 309] <... openat resumed>) = 4 [pid 4491] set_robust_list(0x55556c898760, 24 [pid 306] <... unlink resumed>) = 0 [pid 4491] <... set_robust_list resumed>) = 0 [pid 4491] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4491] chdir("./853") = 0 [pid 4491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(4 [pid 306] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4491] <... prctl resumed>) = 0 [pid 4491] setpgid(0, 0) = 0 [pid 4491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4491] write(3, "1000", 4) = 4 [pid 309] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = 0 [pid 4491] close(3) = 0 [pid 4491] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4491] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4491] <... write resumed>) = 18 executing program [pid 4491] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4491] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./823", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4491] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] openat(AT_FDCWD, "./823", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4491] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(4 [pid 307] <... openat resumed>) = 3 [pid 4491] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./794/config"ci2-android-6-1/strace-static-x86_64: Process 4492 attached [pid 4491] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4492 [pid 309] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4491] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] getdents64(3 [pid 4491] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./843/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4492] set_robust_list(0x55556c898760, 24 [pid 4491] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./823/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4491] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4491] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] newfstatat(AT_FDCWD, "./823/binderfs" [pid 4491] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4491] exit_group(0 [pid 309] getdents64(3 [pid 307] unlink("./823/binderfs" [pid 306] umount2("./794/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4492] <... set_robust_list resumed>) = 0 [pid 4491] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4492] rt_sigprocmask(SIG_SETMASK, [] [pid 4491] +++ exited with 0 +++ [pid 309] close(3 [pid 307] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] openat(AT_FDCWD, "./794/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./823/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./823/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4491, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(4 [pid 309] rmdir("./843" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 4 [pid 307] close(4) = 0 [pid 307] rmdir("./823/config") = 0 [pid 306] fstat(4 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] rmdir("./823" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./844", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./824", 0777) = 0 [pid 306] getdents64(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4492] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 ci2-android-6-1/strace-static-x86_64: Process 4493 attached [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4493 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4493] set_robust_list(0x55556c898760, 24 [pid 4492] chdir("./863" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(4 [pid 4492] <... chdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4492] <... prctl resumed>) = 0 [pid 4492] setpgid(0, 0) = 0 [pid 4493] <... set_robust_list resumed>) = 0 [pid 4492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(4 [pid 4492] <... openat resumed>) = 3 [pid 4492] write(3, "1000", 4) = 4 [pid 4492] close(3) = 0 [pid 4492] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... close resumed>) = 0 [pid 4492] write(1, "executing program\n", 18) = 18 executing program [pid 4492] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] rmdir("./794/config" [pid 4492] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4492] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4494 [pid 306] <... rmdir resumed>) = 0 [pid 4493] rt_sigprocmask(SIG_SETMASK, [] [pid 4492] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4492] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 4492] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4493] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4492] <... unlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./853", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4492] exit_group(0) = ? [pid 4493] chdir("./824" [pid 4492] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 4494 attached [pid 4494] set_robust_list(0x55556c898760, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./853", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4494] <... set_robust_list resumed>) = 0 [pid 4494] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 3 [pid 306] rmdir("./794" [pid 4494] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4494] chdir("./844") = 0 [pid 308] fstat(3 [pid 4494] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4494] setpgid(0, 0) = 0 [pid 4494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4494] write(3, "1000", 4 [pid 308] getdents64(3 [pid 306] mkdir("./795", 0777 [pid 4494] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4494] close(3) = 0 [pid 4494] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] umount2("./853/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 4494] write(1, "executing program\n", 18) = 18 executing program [pid 4494] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4493] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] newfstatat(AT_FDCWD, "./853/binderfs" [pid 4494] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] unlink("./853/binderfs" [pid 4494] <... mount resumed>) = 0 [pid 4494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... unlink resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4494] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4494] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 4494] <... mkdirat resumed>) = 0 [pid 4494] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4494] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4494] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4494] exit_group(0 [pid 308] <... umount2 resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4495 [pid 4494] <... exit_group resumed>) = ? [pid 308] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./863", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./853/config" [pid 310] openat(AT_FDCWD, "./863", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./853/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 4494] +++ exited with 0 +++ [pid 4493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4495 attached [pid 310] umount2("./863/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./863/binderfs" [pid 308] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] unlink("./863/binderfs" [pid 308] getdents64(4 [pid 4495] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 4495] rt_sigprocmask(SIG_SETMASK, [] [pid 4493] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4495] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4495] chdir("./795" [pid 308] rmdir("./853/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4495] <... chdir resumed>) = 0 [pid 4495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4495] setpgid(0, 0) = 0 [pid 4495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] newfstatat(AT_FDCWD, "./863/config" [pid 308] <... rmdir resumed>) = 0 [pid 4495] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 310] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 4495] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./863/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 4495] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 308] rmdir("./853" [pid 310] fstat(4 [pid 4495] close(3) = 0 [pid 4495] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4495] write(1, "executing program\n", 18 [pid 310] getdents64(4 [pid 308] mkdir("./854", 0777 [pid 4495] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4495] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] getdents64(4 [pid 308] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./863/config" [pid 4495] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4495] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4495] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rmdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4496 [pid 310] getdents64(3 [pid 4495] <... symlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4495] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4495] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./863" [pid 4495] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4495] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 4495] <... exit_group resumed>) = ? [pid 310] mkdir("./864", 0777 [pid 4495] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4495, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4496 attached [pid 4496] set_robust_list(0x55556c898760, 24) = 0 [pid 4496] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4496] chdir("./854") = 0 [pid 4496] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4496] setpgid(0, 0) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4497 [pid 4496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] umount2("./844", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./844", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4496] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 4496] write(3, "1000", 4) = 4 [pid 4496] close(3) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4496] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./844/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./844/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4496] <... symlink resumed>) = 0 [pid 309] unlink("./844/binderfs" [pid 4496] write(1, "executing program\n", 18) = 18 [pid 309] <... unlink resumed>) = 0 executing program [pid 309] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4496] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./844/config" [pid 4496] <... mkdirat resumed>) = 0 [pid 4493] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4496] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./844/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4496] <... mount resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] fstat(4 [pid 4496] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4496] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 4496] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4496] <... mkdirat resumed>) = 0 [pid 4493] <... setpgid resumed>) = 0 [pid 309] getdents64(4 [pid 4496] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4496] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 4496] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./844/config" [pid 4496] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4496] exit_group(0) = ? [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./795", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./795", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 4496] +++ exited with 0 +++ [pid 4493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] rmdir("./844" [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4497 attached [pid 4497] set_robust_list(0x55556c898760, 24) = 0 [pid 4497] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4493] <... openat resumed>) = 3 [pid 309] mkdir("./845", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 4497] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4497] chdir("./864") = 0 [pid 4497] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4497] setpgid(0, 0) = 0 [pid 4493] write(3, "1000", 4 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4493] <... write resumed>) = 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./795/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4493] close(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4493] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./795/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./795/binderfs") = 0 [pid 306] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./795/config" [pid 4493] symlink("/dev/binderfs", "./binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4498 [pid 306] umount2("./795/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./795/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4493] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 4 [pid 4497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4493] write(1, "executing program\n", 18 [pid 306] fstat(4 [pid 4493] <... write resumed>) = 18 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./795/config" [pid 4493] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./795" [pid 4493] <... mkdirat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./796", 0777 [pid 4493] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4493] <... mount resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4499 attached [pid 4497] <... openat resumed>) = 3 [pid 4493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./854", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4497] write(3, "1000", 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4499 [pid 4497] <... write resumed>) = 4 [pid 308] openat(AT_FDCWD, "./854", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4497] close(3 [pid 308] <... openat resumed>) = 3 [pid 4497] <... close resumed>) = 0 [pid 308] fstat(3 [pid 4497] symlink("/dev/binderfs", "./binderfs" executing program [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4497] <... symlink resumed>) = 0 [pid 4493] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 4497] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4497] <... write resumed>) = 18 [pid 308] umount2("./854/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4497] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4499] set_robust_list(0x55556c898760, 24 [pid 4497] <... mkdirat resumed>) = 0 [pid 4493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] newfstatat(AT_FDCWD, "./854/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4497] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4499] <... set_robust_list resumed>) = 0 [pid 4497] <... mount resumed>) = 0 [pid 4493] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] unlink("./854/binderfs" [pid 4499] rt_sigprocmask(SIG_SETMASK, [] [pid 4497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4493] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 4497] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 4497] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4493] <... mkdirat resumed>) = 0 [pid 308] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4497] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4493] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4499] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4497] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] newfstatat(AT_FDCWD, "./854/config" [pid 4497] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4493] <... symlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4497] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4493] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4497] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4493] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4497] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4493] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] openat(AT_FDCWD, "./854/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4497] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... openat resumed>) = 4 [pid 4497] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4493] <... unlinkat resumed>) = 0 [pid 308] fstat(4 [pid 4497] exit_group(0 [pid 4493] exit_group(0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4497] <... exit_group resumed>) = ? [pid 4493] <... exit_group resumed>) = ? [pid 308] getdents64(4 [pid 4497] +++ exited with 0 +++ [pid 4493] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4497, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4493, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(4) = 0 [pid 308] rmdir("./854/config" [pid 4499] chdir("./796" [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./854" [pid 4499] <... chdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4498 attached [pid 4499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] mkdir("./855", 0777 [pid 4498] set_robust_list(0x55556c898760, 24) = 0 [pid 4498] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4499] <... prctl resumed>) = 0 [pid 4498] chdir("./845" [pid 308] <... mkdir resumed>) = 0 [pid 4499] setpgid(0, 0 [pid 4498] <... chdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4499] <... setpgid resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4498] <... prctl resumed>) = 0 [pid 4498] setpgid(0, 0) = 0 [pid 4498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4498] write(3, "1000", 4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4500 [pid 4498] <... write resumed>) = 4 [pid 4498] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4498] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4499] <... openat resumed>) = 3 [pid 4498] symlink("/dev/binderfs", "./binderfs" [pid 4499] write(3, "1000", 4 [pid 4498] <... symlink resumed>) = 0 [pid 4498] write(1, "executing program\n", 18) = 18 executing program [pid 4498] mkdirat(AT_FDCWD, "./config", 0777 [pid 4499] <... write resumed>) = 4 [pid 4499] close(3 [pid 4498] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4499] <... close resumed>) = 0 [pid 4499] symlink("/dev/binderfs", "./binderfs" [pid 307] umount2("./824", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4498] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4498] <... mount resumed>) = 0 [pid 307] openat(AT_FDCWD, "./824", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4499] <... symlink resumed>) = 0 [pid 4498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... openat resumed>) = 3 [pid 4499] write(1, "executing program\n", 18 [pid 4498] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] fstat(3 [pid 4499] <... write resumed>) = 18 [pid 4498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4499] mkdirat(AT_FDCWD, "./config", 0777 [pid 4498] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(3 [pid 4498] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4498] <... mkdirat resumed>) = 0 [pid 307] umount2("./824/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4498] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4499] <... mkdirat resumed>) = 0 [pid 4498] <... symlinkat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./824/binderfs" [pid 4498] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4499] mount(NULL, "./config", "configfs", 0, NULL [pid 4498] <... unlinkat resumed>) = 0 [pid 307] unlink("./824/binderfs" [pid 4499] <... mount resumed>) = 0 [pid 4498] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... unlink resumed>) = 0 [pid 4499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4498] <... unlinkat resumed>) = 0 [pid 307] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4498] exit_group(0 [pid 307] <... umount2 resumed>) = 0 [pid 4498] <... exit_group resumed>) = ? [pid 307] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4498] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./824/config" [pid 4499] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4498, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4499] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./824/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4 [pid 4499] <... mkdirat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4499] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./824/config" [pid 4499] <... symlinkat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 4499] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] rmdir("./824" [pid 4499] <... unlinkat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./825", 0777 [pid 4499] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4499] <... unlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4500 attached [pid 310] umount2("./864", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4501 [pid 4500] set_robust_list(0x55556c898760, 24 [pid 4499] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4500] <... set_robust_list resumed>) = 0 [pid 4499] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./864", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4500] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 4500] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4500] chdir("./855") = 0 [pid 4500] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4500] setpgid(0, 0) = 0 [pid 4500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4499] +++ exited with 0 +++ [pid 310] fstat(3 [pid 4500] write(3, "1000", 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4499, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4500] <... write resumed>) = 4 [pid 310] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4500] close(3) = 0 [pid 4500] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4500] write(1, "executing program\n", 18 [pid 310] umount2("./864/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4500] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4500] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./864/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4501 attached [pid 4500] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4500] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] unlink("./864/binderfs" [pid 4500] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 4500] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4500] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 4500] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4500] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4500] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./864/config" [pid 4500] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4500] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4500] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4500] exit_group(0 [pid 310] openat(AT_FDCWD, "./864/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4500] <... exit_group resumed>) = ? [pid 4501] set_robust_list(0x55556c898760, 24 [pid 4500] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 4501] <... set_robust_list resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4501] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4501] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./855", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 4501] chdir("./825" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 308] openat(AT_FDCWD, "./855", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4501] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 310] rmdir("./864/config" [pid 4501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] fstat(3 [pid 4501] <... prctl resumed>) = 0 [pid 4501] setpgid(0, 0) = 0 [pid 4501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4501] <... openat resumed>) = 3 [pid 310] close(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4501] write(3, "1000", 4 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./845", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./855/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./864" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4501] <... write resumed>) = 4 [pid 4501] close(3) = 0 [pid 4501] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./845", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./855/binderfs" [pid 310] mkdir("./865", 0777 [pid 309] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4501] write(1, "executing program\n", 18) = 18 executing program [pid 4501] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(3 [pid 308] unlink("./855/binderfs" [pid 4501] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4501] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./845/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4501] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4501] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] newfstatat(AT_FDCWD, "./845/binderfs" [pid 308] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4502 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./845/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./855/config" [pid 4501] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4501] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./855/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4501] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./845/config" [pid 308] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(4 [pid 309] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4501] <... exit_group resumed>) = ? [pid 4501] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 309] openat(AT_FDCWD, "./845/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4502 attached [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4501, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... openat resumed>) = 4 [pid 308] getdents64(4 [pid 309] fstat(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 4502] set_robust_list(0x55556c898760, 24 [pid 309] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 4502] <... set_robust_list resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rmdir("./855/config" [pid 309] getdents64(4 [pid 4502] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4502] chdir("./865" [pid 308] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4502] <... chdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 309] rmdir("./845/config" [pid 4502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4502] <... prctl resumed>) = 0 [pid 4502] setpgid(0, 0) = 0 [pid 4502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./855" [pid 307] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 4502] write(3, "1000", 4) = 4 [pid 4502] close(3) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4502] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./856", 0777 [pid 306] umount2("./796", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 4502] write(1, "executing program\n", 18) = 18 executing program [pid 4502] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./825", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./845" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./796", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4502] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] openat(AT_FDCWD, "./825", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(3 [pid 309] mkdir("./846", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4502] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4502] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 4502] <... mkdirat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(3 [pid 306] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4502] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4502] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4502] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4502] exit_group(0) = ? [pid 4502] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 4503 attached [pid 4503] set_robust_list(0x55556c898760, 24) = 0 [pid 4503] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4503] chdir("./856") = 0 [pid 307] getdents64(3 [pid 306] umount2("./796/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4503 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4504 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./825/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./796/binderfs" [pid 4503] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./825/binderfs" [pid 306] unlink("./796/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4503] <... prctl resumed>) = 0 [pid 4503] setpgid(0, 0) = 0 [pid 4503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] unlink("./825/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 4503] <... openat resumed>) = 3 [pid 307] <... unlink resumed>) = 0 [pid 306] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4503] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4503] <... write resumed>) = 4 [pid 307] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./825/config" [pid 306] newfstatat(AT_FDCWD, "./796/config" [pid 4503] close(3) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./796/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./825/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./796/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 4 [pid 306] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 306] fstat(4 [pid 4503] symlink("/dev/binderfs", "./binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 4503] <... symlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 306] close(4 [pid 4503] write(1, "executing program\n", 18) = 18 [pid 4503] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 executing program [pid 307] rmdir("./825/config" [pid 306] rmdir("./796/config" [pid 4503] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4503] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] getdents64(3 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4503] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] rmdir("./825" [pid 306] <... close resumed>) = 0 [pid 4503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4503] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./796" [pid 4503] <... mkdirat resumed>) = 0 [pid 4503] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... rmdir resumed>) = 0 [pid 310] umount2("./865", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./826", 0777 [pid 306] mkdir("./797", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4503] <... symlinkat resumed>) = 0 [pid 4503] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4503] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./865", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4503] exit_group(0) = ? [pid 4503] +++ exited with 0 +++ [pid 310] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4504 attached [pid 4504] set_robust_list(0x55556c898760, 24) = 0 [pid 4504] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4504] chdir("./846" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4503, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4505 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4506 [pid 310] umount2("./865/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./865/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4504] <... chdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./865/binderfs" [pid 4504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4504] setpgid(0, 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4506 attached [pid 4504] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 4506] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4506] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4504] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./865/config" [pid 4506] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4505 attached [pid 4504] <... write resumed>) = 4 [pid 4504] close(3 [pid 310] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4504] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4504] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./865/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4505] set_robust_list(0x55556c898760, 24 [pid 4504] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 4506] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(4 [pid 4506] chdir("./797" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4506] <... chdir resumed>) = 0 [pid 310] getdents64(4 [pid 4506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4506] <... prctl resumed>) = 0 [pid 310] getdents64(4 [pid 4506] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4506] <... setpgid resumed>) = 0 [pid 4506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] close(4 [pid 4504] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 [pid 4504] <... write resumed>) = 18 [pid 310] rmdir("./865/config" [pid 4504] mkdirat(AT_FDCWD, "./config", 0777 [pid 4506] <... openat resumed>) = 3 executing program [pid 4505] <... set_robust_list resumed>) = 0 [pid 4504] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4506] write(3, "1000", 4 [pid 310] getdents64(3 [pid 4506] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4506] close(3 [pid 310] close(3 [pid 4506] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4506] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./865" [pid 4506] <... symlink resumed>) = 0 [pid 4504] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rmdir resumed>) = 0 [pid 4504] <... mount resumed>) = 0 [pid 310] mkdir("./866", 0777 [pid 4506] write(1, "executing program\n", 18) = 18 [pid 4506] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 executing program [pid 4504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4504] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4504] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4504] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4506] mount(NULL, "./config", "configfs", 0, NULL [pid 4504] <... symlinkat resumed>) = 0 [pid 4506] <... mount resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4507 [pid 308] umount2("./856", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] openat(AT_FDCWD, "./856", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4504] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... openat resumed>) = 3 [pid 4506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4504] <... unlinkat resumed>) = 0 [pid 308] fstat(3 [pid 4506] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4504] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4506] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4504] <... unlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 4506] <... mkdirat resumed>) = 0 [pid 4505] rt_sigprocmask(SIG_SETMASK, [] [pid 4504] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4506] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4504] <... exit_group resumed>) = ? [pid 308] umount2("./856/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4505] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4506] <... symlinkat resumed>) = 0 [pid 4505] chdir("./826" [pid 4504] +++ exited with 0 +++ [pid 308] newfstatat(AT_FDCWD, "./856/binderfs" [pid 4506] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4505] <... chdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4504, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] unlink("./856/binderfs" [pid 4505] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4506] <... unlinkat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4505] <... prctl resumed>) = 0 [pid 308] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4506] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4505] setpgid(0, 0 [pid 308] <... umount2 resumed>) = 0 [pid 4506] <... unlinkat resumed>) = 0 [pid 4505] <... setpgid resumed>) = 0 [pid 308] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4506] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] newfstatat(AT_FDCWD, "./856/config" [pid 4506] <... exit_group resumed>) = ? [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4506] +++ exited with 0 +++ [pid 4505] <... openat resumed>) = 3 [pid 308] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4507 attached [pid 4505] write(3, "1000", 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./856/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4505] <... write resumed>) = 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4507] set_robust_list(0x55556c898760, 24 [pid 4505] close(3 [pid 308] <... openat resumed>) = 4 [pid 4507] <... set_robust_list resumed>) = 0 [pid 308] fstat(4 [pid 4505] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4507] rt_sigprocmask(SIG_SETMASK, [] [pid 4505] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(4 [pid 4507] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4507] chdir("./866" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4507] <... chdir resumed>) = 0 [pid 308] getdents64(4 [pid 4507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4507] <... prctl resumed>) = 0 [pid 308] close(4 [pid 4507] setpgid(0, 0 [pid 308] <... close resumed>) = 0 [pid 4507] <... setpgid resumed>) = 0 [pid 4505] <... symlink resumed>) = 0 [pid 308] rmdir("./856/config" [pid 4507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4507] write(3, "1000", 4 [pid 4505] write(1, "executing program\n", 18 [pid 308] <... rmdir resumed>) = 0 [pid 4507] <... write resumed>) = 4 [pid 4505] <... write resumed>) = 18 [pid 308] getdents64(3 [pid 4507] close(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4507] <... close resumed>) = 0 [pid 308] close(3 [pid 4505] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... close resumed>) = 0 [pid 4507] symlink("/dev/binderfs", "./binderfs" [pid 308] rmdir("./856" [pid 4507] <... symlink resumed>) = 0 [pid 4507] write(1, "executing program\n", 18 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] mkdir("./857", 0777 [pid 4507] <... write resumed>) = 18 [pid 4507] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./797", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./797", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4507] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4507] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4505] <... mkdirat resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4505] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4508 [pid 306] fstat(3 [pid 4507] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 4505] <... mount resumed>) = 0 [pid 4507] <... symlinkat resumed>) = 0 [pid 4507] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4507] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program executing program [pid 306] umount2("./797/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4507] <... unlinkat resumed>) = 0 [pid 4505] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4507] exit_group(0 [pid 4505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] newfstatat(AT_FDCWD, "./797/binderfs" [pid 4507] <... exit_group resumed>) = ? [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4505] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] unlink("./797/binderfs" [pid 4507] +++ exited with 0 +++ [pid 4505] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4508 attached [pid 4508] set_robust_list(0x55556c898760, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4507, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4508] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4508] rt_sigprocmask(SIG_SETMASK, [] [pid 4505] <... mkdirat resumed>) = 0 [pid 306] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4508] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4505] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] newfstatat(AT_FDCWD, "./797/config" [pid 4508] chdir("./857" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4508] <... chdir resumed>) = 0 [pid 306] umount2("./797/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4505] <... symlinkat resumed>) = 0 [pid 306] openat(AT_FDCWD, "./797/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4508] <... prctl resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4505] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] fstat(4 [pid 4508] setpgid(0, 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4505] <... unlinkat resumed>) = 0 [pid 4508] <... setpgid resumed>) = 0 [pid 4508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4505] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] getdents64(4 [pid 4508] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4508] write(3, "1000", 4 [pid 306] getdents64(4 [pid 4505] <... unlinkat resumed>) = 0 [pid 4508] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4508] close(3 [pid 4505] exit_group(0 [pid 306] close(4 [pid 4508] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4505] <... exit_group resumed>) = ? [pid 306] rmdir("./797/config" [pid 4508] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4508] write(1, "executing program\n", 18) = 18 [pid 4508] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./846", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4508] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] umount2("./866", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./846", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./866", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 306] close(3 [pid 310] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 310] fstat(3 [pid 306] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./797" [pid 4505] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 4508] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 4508] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./846/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] mkdir("./798", 0777 [pid 310] umount2("./866/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) executing program [pid 4508] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./846/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./866/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./846/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./866/binderfs" [pid 4508] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4508] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... unlink resumed>) = 0 [pid 4508] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4508] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4509 attached [pid 4508] exit_group(0 [pid 310] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4509] set_robust_list(0x55556c898760, 24 [pid 4508] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4509 [pid 310] newfstatat(AT_FDCWD, "./866/config" [pid 309] newfstatat(AT_FDCWD, "./846/config" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./866/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./846/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 4509] <... set_robust_list resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 4508] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 309] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4508, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4509] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4509] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 310] close(4 [pid 4509] chdir("./798" [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] rmdir("./866/config" [pid 309] getdents64(4 [pid 4509] <... chdir resumed>) = 0 [pid 4509] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4509] setpgid(0, 0) = 0 [pid 4509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] close(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 310] close(3 [pid 309] rmdir("./846/config" [pid 4509] write(3, "1000", 4) = 4 [pid 310] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4509] close(3) = 0 [pid 4509] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] rmdir("./866" [pid 309] <... rmdir resumed>) = 0 [pid 4509] write(1, "executing program\n", 18 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./846" [pid 4509] <... write resumed>) = 18 executing program [pid 310] mkdir("./867", 0777 [pid 4509] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./826", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4509] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] mkdir("./847", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4509] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./826", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4509] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./857", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 4509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4509] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4510 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./857", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 4509] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4509] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4509] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4511 [pid 308] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4509] exit_group(0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 307] umount2("./826/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4509] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./826/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4511 attached [pid 4509] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./857/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./826/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4510 attached [pid 4510] set_robust_list(0x55556c898760, 24 [pid 307] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./857/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4509, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] unlink("./857/binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 4510] <... set_robust_list resumed>) = 0 [pid 4510] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... unlink resumed>) = 0 [pid 307] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4510] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./826/config" [pid 308] <... umount2 resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4510] chdir("./867" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./857/config" [pid 307] openat(AT_FDCWD, "./826/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 4 [pid 308] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 4510] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./857/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 4510] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4510] setpgid(0, 0 [pid 308] <... openat resumed>) = 4 [pid 4510] <... setpgid resumed>) = 0 [pid 308] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 308] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] close(4 [pid 308] getdents64(4 [pid 4510] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 4511] set_robust_list(0x55556c898760, 24 [pid 308] close(4 [pid 307] rmdir("./826/config" [pid 308] <... close resumed>) = 0 [pid 4510] write(3, "1000", 4) = 4 [pid 4510] close(3) = 0 [pid 4510] symlink("/dev/binderfs", "./binderfs" [pid 4511] <... set_robust_list resumed>) = 0 [pid 4510] <... symlink resumed>) = 0 [pid 308] rmdir("./857/config" [pid 307] <... rmdir resumed>) = 0 [pid 4510] write(1, "executing program\n", 18) = 18 [pid 4510] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 4511] rt_sigprocmask(SIG_SETMASK, [] [pid 4510] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 4510] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 308] close(3 [pid 4510] <... mount resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rmdir("./857" [pid 307] rmdir("./826" [pid 4510] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4510] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 4510] <... mkdirat resumed>) = 0 [pid 4510] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... rmdir resumed>) = 0 [pid 308] mkdir("./858", 0777 [pid 307] mkdir("./827", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 4510] <... symlinkat resumed>) = 0 [pid 4510] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4510] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4510] exit_group(0 [pid 307] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./798", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4510] <... exit_group resumed>) = ? [pid 4510] +++ exited with 0 +++ [pid 306] openat(AT_FDCWD, "./798", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4512 attached [pid 4512] set_robust_list(0x55556c898760, 24) = 0 [pid 4512] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4512 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4513 [pid 306] fstat(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 4512] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4512] chdir("./858" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4512] <... chdir resumed>) = 0 [pid 306] umount2("./798/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4512] <... prctl resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./798/binderfs" [pid 4512] setpgid(0, 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4512] <... setpgid resumed>) = 0 [pid 306] unlink("./798/binderfs" [pid 4512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4512] write(3, "1000", 4) = 4 [pid 4512] close(3) = 0 [pid 4512] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4512] write(1, "executing program\n", 18) = 18 [pid 4512] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... unlink resumed>) = 0 executing program [pid 4512] <... mkdirat resumed>) = 0 [pid 4511] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4512] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 4511] chdir("./847" [pid 306] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4512] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4511] <... chdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./798/config" [pid 4512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4511] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./798/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4512] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4511] <... prctl resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4512] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4511] setpgid(0, 0 [pid 306] openat(AT_FDCWD, "./798/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4512] <... mkdirat resumed>) = 0 [pid 4511] <... setpgid resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4512] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] fstat(4 [pid 4512] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4512] <... unlinkat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] getdents64(4 [pid 4512] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4512] <... unlinkat resumed>) = 0 [pid 4511] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 310] umount2("./867", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4511] write(3, "1000", 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4511] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 310] openat(AT_FDCWD, "./867", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4512] exit_group(0 [pid 306] <... close resumed>) = 0 [pid 4511] close(3 [pid 310] <... openat resumed>) = 3 [pid 306] rmdir("./798/config" [pid 310] fstat(3 [pid 4511] <... close resumed>) = 0 [pid 4512] <... exit_group resumed>) = ? [pid 4512] +++ exited with 0 +++ [pid 4511] symlink("/dev/binderfs", "./binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 306] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4513 attached [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./867/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4513] set_robust_list(0x55556c898760, 24 [pid 310] newfstatat(AT_FDCWD, "./867/binderfs" [pid 306] <... close resumed>) = 0 [pid 4511] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./798" [pid 4511] write(1, "executing program\n", 18 [pid 310] unlink("./867/binderfs" [pid 4513] <... set_robust_list resumed>) = 0 [pid 4513] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4513] chdir("./827" [pid 306] <... rmdir resumed>) = 0 [pid 4513] <... chdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4511] <... write resumed>) = 18 [pid 306] mkdir("./799", 0777 [pid 310] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4513] setpgid(0, 0) = 0 [pid 4513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... mkdir resumed>) = 0 [pid 4513] <... openat resumed>) = 3 [pid 4511] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./867/config" [pid 4513] write(3, "1000", 4) = 4 [pid 4513] close(3) = 0 [pid 4513] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4513] write(1, "executing program\n", 18) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4514 [pid 310] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./867/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4513] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 4 executing program executing program [pid 4513] <... mkdirat resumed>) = 0 [pid 4511] <... mkdirat resumed>) = 0 [pid 310] fstat(4 [pid 4513] mount(NULL, "./config", "configfs", 0, NULL [pid 4511] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4513] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 4511] <... mount resumed>) = 0 [pid 4513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4513] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4511] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 4513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4513] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4511] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 4513] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4511] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 4513] <... mkdirat resumed>) = 0 [pid 310] rmdir("./867/config" [pid 4511] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4513] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4513] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4511] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rmdir resumed>) = 0 [pid 4513] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 4513] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4511] <... symlinkat resumed>) = 0 [pid 4513] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4513] exit_group(0) = ? [pid 310] close(3 [pid 4511] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 4513] +++ exited with 0 +++ [pid 4511] <... unlinkat resumed>) = 0 [pid 310] rmdir("./867" [pid 4511] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-6-1/strace-static-x86_64: Process 4514 attached [pid 4514] set_robust_list(0x55556c898760, 24) = 0 [pid 4514] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4513, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4511] <... unlinkat resumed>) = 0 [pid 310] mkdir("./868", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4514] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4514] chdir("./799") = 0 [pid 4514] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4514] setpgid(0, 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4514] <... setpgid resumed>) = 0 [pid 4511] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4514] write(3, "1000", 4) = 4 [pid 4514] close(3) = 0 [pid 4514] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4511] <... exit_group resumed>) = ? [pid 308] umount2("./858", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./827", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4515 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./858", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./827", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 307] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4515 attached [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4515] set_robust_list(0x55556c898760, 24 [pid 308] umount2("./858/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./827/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./858/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./827/binderfs" [pid 308] unlink("./858/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4515] <... set_robust_list resumed>) = 0 [pid 4515] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... unlink resumed>) = 0 [pid 307] unlink("./827/binderfs" [pid 308] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4515] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4515] chdir("./868" [pid 307] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4515] <... chdir resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4511] +++ exited with 0 +++ [pid 308] newfstatat(AT_FDCWD, "./858/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./827/config" [pid 308] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4514] write(1, "executing program\n", 18 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4515] <... prctl resumed>) = 0 [pid 4515] setpgid(0, 0) = 0 [pid 4515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4514] <... write resumed>) = 18 [pid 4514] mkdirat(AT_FDCWD, "./config", 0777 [pid 4515] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./858/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4514] <... mkdirat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./827/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4515] write(3, "1000", 4) = 4 [pid 4515] close(3 [pid 307] <... openat resumed>) = 4 [pid 4515] <... close resumed>) = 0 [pid 307] fstat(4 [pid 309] umount2("./847", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./847", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 309] <... openat resumed>) = 3 [pid 308] getdents64(4 [pid 4515] symlink("/dev/binderfs", "./binderfs" [pid 309] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 309] getdents64(3 [pid 308] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4515] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 309] umount2("./847/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 4515] write(1, "executing program\n", 18 [pid 4514] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 4514] <... mount resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./847/binderfs" [pid 308] <... close resumed>) = 0 executing program [pid 307] rmdir("./827/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rmdir("./858/config" [pid 4515] <... write resumed>) = 18 [pid 4514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 309] unlink("./847/binderfs" [pid 4515] mkdirat(AT_FDCWD, "./config", 0777 [pid 4514] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 4515] <... mkdirat resumed>) = 0 [pid 4514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4515] mount(NULL, "./config", "configfs", 0, NULL [pid 4514] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 4515] <... mount resumed>) = 0 [pid 4514] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 308] close(3 [pid 307] <... close resumed>) = 0 [pid 309] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] rmdir("./827" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./858" [pid 4515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4514] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./847/config" [pid 4515] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4514] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4514] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] mkdir("./828", 0777 [pid 309] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./859", 0777 [pid 4515] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4514] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4515] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4514] <... unlinkat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4515] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4514] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4515] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4514] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./847/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... openat resumed>) = 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4515] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4514] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4515] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4514] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4516 attached [pid 4515] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4514] +++ exited with 0 +++ [pid 309] getdents64(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4515] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4515] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4515] exit_group(0) = ? [pid 4516] set_robust_list(0x55556c898760, 24 [pid 4515] +++ exited with 0 +++ [pid 309] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4516 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4514, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4517 attached [pid 4517] set_robust_list(0x55556c898760, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4517 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4517] <... set_robust_list resumed>) = 0 [pid 309] close(4 [pid 4517] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./847/config" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4517] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4517] chdir("./859") = 0 [pid 4517] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4517] setpgid(0, 0) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 4517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4517] <... openat resumed>) = 3 [pid 309] close(3 [pid 4516] <... set_robust_list resumed>) = 0 [pid 4517] write(3, "1000", 4 [pid 309] <... close resumed>) = 0 [pid 4517] <... write resumed>) = 4 [pid 4517] close(3 [pid 309] rmdir("./847" [pid 4517] <... close resumed>) = 0 [pid 4517] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./848", 0777 [pid 4517] write(1, "executing program\n", 18) = 18 executing program [pid 4517] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] umount2("./868", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 4517] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] openat(AT_FDCWD, "./868", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(3 [pid 4517] <... mount resumed>) = 0 [pid 4517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4517] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4517] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4518 [pid 4517] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./868/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4517] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./868/binderfs" [pid 4517] <... unlinkat resumed>) = 0 [pid 4517] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4517] <... unlinkat resumed>) = 0 [pid 310] unlink("./868/binderfs" [pid 4517] exit_group(0) = ? [pid 310] <... unlink resumed>) = 0 [pid 4517] +++ exited with 0 +++ [pid 4516] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4518 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4517, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = 0 [pid 4518] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4518] <... set_robust_list resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./868/config" [pid 4518] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4518] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4518] chdir("./848" [pid 310] openat(AT_FDCWD, "./868/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4518] <... chdir resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 4518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] fstat(4 [pid 4518] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4518] setpgid(0, 0 [pid 310] getdents64(4 [pid 4518] <... setpgid resumed>) = 0 [pid 4518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4518] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 4518] write(3, "1000", 4 [pid 4516] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4518] <... write resumed>) = 4 [pid 310] close(4 [pid 4518] close(3) = 0 [pid 4518] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 4516] chdir("./828" [pid 310] rmdir("./868/config" [pid 4518] <... symlink resumed>) = 0 [pid 4518] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 [pid 4516] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 4518] <... write resumed>) = 18 executing program [pid 4516] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4518] mkdirat(AT_FDCWD, "./config", 0777 [pid 4516] <... prctl resumed>) = 0 [pid 310] close(3 [pid 4518] <... mkdirat resumed>) = 0 [pid 4516] setpgid(0, 0 [pid 310] <... close resumed>) = 0 [pid 4518] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rmdir("./868" [pid 4516] <... setpgid resumed>) = 0 [pid 4518] <... mount resumed>) = 0 [pid 4518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 4518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] mkdir("./869", 0777 [pid 4518] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4518] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4518] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4518] <... symlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4516] <... openat resumed>) = 3 [pid 4518] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4518] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4518] exit_group(0) = ? [pid 4516] write(3, "1000", 4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4519 [pid 306] umount2("./799", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4518] +++ exited with 0 +++ [pid 4516] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4516] close(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./799", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4519 attached [pid 4519] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... openat resumed>) = 3 [pid 4516] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] fstat(3 [pid 4516] symlink("/dev/binderfs", "./binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 4519] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4519] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./799/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4519] chdir("./869" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4516] <... symlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./799/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4516] write(1, "executing program\n", 18 [pid 306] unlink("./799/binderfs" [pid 4519] <... chdir resumed>) = 0 [pid 4516] <... write resumed>) = 18 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... umount2 resumed>) = 0 executing program [pid 4516] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4519] setpgid(0, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./799/config" [pid 4519] <... setpgid resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] umount2("./799/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./799/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./859", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 308] openat(AT_FDCWD, "./859", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 308] fstat(3 [pid 4519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(3 [pid 306] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4516] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./859/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4516] mount(NULL, "./config", "configfs", 0, NULL [pid 306] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./859/binderfs" [pid 306] rmdir("./799/config" [pid 4519] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4519] write(3, "1000", 4) = 4 [pid 4519] close(3) = 0 [pid 4519] symlink("/dev/binderfs", "./binderfs" [pid 308] unlink("./859/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 4516] <... mount resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] getdents64(3 [pid 308] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4519] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4516] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 4519] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] newfstatat(AT_FDCWD, "./859/config" [pid 306] <... close resumed>) = 0 [pid 4519] <... write resumed>) = 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4516] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 306] rmdir("./799" [pid 308] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4519] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4516] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./859/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... restart_syscall resumed>) = 0 [pid 306] mkdir("./800", 0777 [pid 308] <... openat resumed>) = 4 [pid 4519] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... mkdir resumed>) = 0 [pid 4519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] fstat(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./848", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./848", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4519] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4519] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4516] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] getdents64(4 [pid 4516] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] fstat(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4520 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4520 attached [pid 309] getdents64(3 [pid 308] close(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4520] set_robust_list(0x55556c898760, 24 [pid 4516] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... close resumed>) = 0 [pid 4520] <... set_robust_list resumed>) = 0 [pid 309] umount2("./848/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./859/config" [pid 4516] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4516] <... unlinkat resumed>) = 0 [pid 4516] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4520] rt_sigprocmask(SIG_SETMASK, [] [pid 4516] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./848/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 4520] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 309] unlink("./848/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4516] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 4520] chdir("./800" [pid 308] close(3 [pid 309] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 4516] <... exit_group resumed>) = ? [pid 4520] <... chdir resumed>) = 0 [pid 4519] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] rmdir("./859" [pid 309] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4519] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4519] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4519] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./860", 0777 [pid 309] newfstatat(AT_FDCWD, "./848/config" [pid 4519] <... unlinkat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4519] exit_group(0 [pid 309] openat(AT_FDCWD, "./848/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4519] <... exit_group resumed>) = ? [pid 309] <... openat resumed>) = 4 [pid 4520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4519] +++ exited with 0 +++ [pid 4516] +++ exited with 0 +++ [pid 309] fstat(4 [pid 4520] <... prctl resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4521 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4519, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4520] setpgid(0, 0 [pid 309] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4520] <... setpgid resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 4520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4521 attached [pid 309] rmdir("./848/config" [pid 4521] set_robust_list(0x55556c898760, 24) = 0 [pid 4521] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4521] chdir("./860" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 4521] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./869", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 4521] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4520] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./869", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./848" [pid 310] <... openat resumed>) = 3 [pid 4521] <... prctl resumed>) = 0 [pid 4521] setpgid(0, 0) = 0 [pid 4521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./849", 0777 [pid 310] getdents64(3 [pid 4520] write(3, "1000", 4) = 4 [pid 4520] close(3 [pid 4521] <... openat resumed>) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 4520] <... close resumed>) = 0 [pid 4520] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./828", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./869/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./869/binderfs" [pid 307] openat(AT_FDCWD, "./828", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4520] <... symlink resumed>) = 0 [pid 4521] write(3, "1000", 4) = 4 [pid 4521] close(3) = 0 [pid 4521] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4522 [pid 307] <... openat resumed>) = 3 [pid 310] unlink("./869/binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4520] write(1, "executing program\n", 18 [pid 307] fstat(3 [pid 4520] <... write resumed>) = 18 executing program [pid 4520] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4522 attached [pid 4521] write(1, "executing program\n", 18 [pid 4520] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./828/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./869/config" [pid 307] newfstatat(AT_FDCWD, "./828/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./828/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4521] <... write resumed>) = 18 executing program [pid 4520] mount(NULL, "./config", "configfs", 0, NULL [pid 4521] mkdirat(AT_FDCWD, "./config", 0777 [pid 4520] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./869/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... unlink resumed>) = 0 [pid 4522] set_robust_list(0x55556c898760, 24) = 0 [pid 4521] <... mkdirat resumed>) = 0 [pid 4520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 4 [pid 307] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 4521] mount(NULL, "./config", "configfs", 0, NULL [pid 4520] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4521] <... mount resumed>) = 0 [pid 4520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(4 [pid 307] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4520] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4521] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4520] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./828/config" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4522] rt_sigprocmask(SIG_SETMASK, [] [pid 4521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4520] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4521] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4520] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 307] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./869/config" [pid 4521] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4520] <... symlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4521] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4520] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./828/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 307] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] fstat(4 [pid 310] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4521] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4520] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 310] rmdir("./869" [pid 4521] <... symlinkat resumed>) = 0 [pid 4520] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4521] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4520] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 4521] <... unlinkat resumed>) = 0 [pid 4520] exit_group(0 [pid 310] mkdir("./870", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4522] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4521] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4520] <... exit_group resumed>) = ? [pid 4522] chdir("./849" [pid 4521] <... unlinkat resumed>) = 0 [pid 4520] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 307] close(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./828/config" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4521] exit_group(0) = ? [pid 4521] +++ exited with 0 +++ [pid 307] <... rmdir resumed>) = 0 [pid 4522] <... chdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4523 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4521, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(3 [pid 4522] <... prctl resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4522] setpgid(0, 0 [pid 307] rmdir("./828" [pid 4522] <... setpgid resumed>) = 0 [pid 4522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 4522] write(3, "1000", 4 [pid 307] mkdir("./829", 0777 [pid 4522] <... write resumed>) = 4 [pid 4522] close(3) = 0 [pid 4522] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4522] write(1, "executing program\n", 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4522] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./860", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4522] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4522] <... mkdirat resumed>) = 0 [pid 4522] mount(NULL, "./config", "configfs", 0, NULL [pid 308] openat(AT_FDCWD, "./860", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4524 executing program [pid 4522] <... mount resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 4522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4522] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./860/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4522] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4522] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] newfstatat(AT_FDCWD, "./860/binderfs" [pid 4522] <... symlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4522] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] unlink("./860/binderfs" [pid 4522] <... unlinkat resumed>) = 0 [pid 4522] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4522] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4523 attached [pid 4522] exit_group(0 [pid 308] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4523] set_robust_list(0x55556c898760, 24 [pid 4522] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4524 attached [pid 4523] <... set_robust_list resumed>) = 0 [pid 4522] +++ exited with 0 +++ [pid 308] newfstatat(AT_FDCWD, "./860/config" [pid 4523] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4523] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4523] chdir("./870" [pid 308] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4523] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4523] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] openat(AT_FDCWD, "./860/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4523] <... prctl resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 4523] setpgid(0, 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] fstat(4 [pid 4523] <... setpgid resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] getdents64(4 [pid 309] umount2("./849", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4523] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./849", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 4523] write(3, "1000", 4 [pid 309] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4523] <... write resumed>) = 4 [pid 4523] close(3 [pid 309] fstat(3 [pid 308] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] rmdir("./860/config" [pid 4523] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4523] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] umount2("./849/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 4523] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./849/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4523] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(3 [pid 309] unlink("./849/binderfs" [pid 308] <... close resumed>) = 0 [pid 4523] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... unlink resumed>) = 0 [pid 308] rmdir("./860" [pid 309] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4523] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./861", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4523] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./849/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4523] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4523] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 executing program [pid 309] openat(AT_FDCWD, "./849/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4523] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4525 [pid 309] fstat(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 4523] <... unlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 4523] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./800", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 4523] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 306] openat(AT_FDCWD, "./800", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 4523] <... exit_group resumed>) = ? [pid 309] rmdir("./849/config" [pid 306] <... openat resumed>) = 3 [pid 4524] set_robust_list(0x55556c898760, 24 [pid 4523] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4525 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4523, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 309] close(3 [pid 4525] set_robust_list(0x55556c898760, 24 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 306] umount2("./800/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./849" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4525] <... set_robust_list resumed>) = 0 [pid 4525] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4525] chdir("./861" [pid 309] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./800/binderfs" [pid 309] mkdir("./850", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4525] <... chdir resumed>) = 0 [pid 4525] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4525] setpgid(0, 0) = 0 [pid 4525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] unlink("./800/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4525] <... openat resumed>) = 3 [pid 306] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./870", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4525] write(3, "1000", 4) = 4 [pid 4525] close(3) = 0 [pid 4525] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4525] write(1, "executing program\n", 18 [pid 310] openat(AT_FDCWD, "./870", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4525] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4526 [pid 310] fstat(3 [pid 306] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 4525] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./800/config" [pid 4525] <... mkdirat resumed>) = 0 [pid 4524] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./870/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4525] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./870/binderfs" [pid 306] umount2("./800/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./870/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4525] <... mount resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./800/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./870/config" [pid 306] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4525] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 310] openat(AT_FDCWD, "./870/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 306] close(4 [pid 310] fstat(4 [pid 306] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./800/config" [pid 310] getdents64(4 [pid 4525] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(3 [pid 310] getdents64(4 [pid 4525] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 306] close(3 [pid 4525] <... symlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] rmdir("./870/config" [pid 306] rmdir("./800" [pid 4524] rt_sigprocmask(SIG_SETMASK, [] [pid 4525] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4525] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4524] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 306] mkdir("./801", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4525] exit_group(0) = ? [pid 4525] +++ exited with 0 +++ [pid 4524] chdir("./829" [pid 310] close(3 [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4526 attached [pid 310] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4525, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4524] <... chdir resumed>) = 0 [pid 310] rmdir("./870" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4526] set_robust_list(0x55556c898760, 24) = 0 [pid 4526] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 4524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] mkdir("./871", 0777 [pid 4526] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4526] chdir("./850") = 0 [pid 4526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4526] setpgid(0, 0) = 0 [pid 4526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4526] write(3, "1000", 4) = 4 [pid 4526] close(3) = 0 [pid 4526] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4524] <... prctl resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4527 [pid 4524] setpgid(0, 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4524] <... setpgid resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4526] write(1, "executing program\n", 18) = 18 [pid 4526] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4528 [pid 4524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4526] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4526] <... mount resumed>) = 0 executing program [pid 4524] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4524] write(3, "1000", 4 [pid 4526] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4524] <... write resumed>) = 4 [pid 4526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4524] close(3 [pid 4526] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4524] <... close resumed>) = 0 [pid 4526] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4524] symlink("/dev/binderfs", "./binderfs" [pid 308] <... restart_syscall resumed>) = 0 [pid 4526] <... symlinkat resumed>) = 0 [pid 4526] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4524] <... symlink resumed>) = 0 [pid 4526] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./861", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4524] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4526] <... unlinkat resumed>) = 0 [pid 4524] <... write resumed>) = 18 [pid 308] openat(AT_FDCWD, "./861", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 4526] exit_group(0 [pid 308] <... openat resumed>) = 3 [pid 4524] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] fstat(3 [pid 4526] <... exit_group resumed>) = ? [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4526] +++ exited with 0 +++ [pid 4524] <... mkdirat resumed>) = 0 [pid 308] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4527 attached [pid 4527] set_robust_list(0x55556c898760, 24) = 0 [pid 4527] rt_sigprocmask(SIG_SETMASK, [] [pid 4524] mount(NULL, "./config", "configfs", 0, NULL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4527] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./861/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4527] chdir("./801" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4524] <... mount resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./861/binderfs" [pid 4527] <... chdir resumed>) = 0 [pid 4524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4527] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] unlink("./861/binderfs" [pid 4524] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4527] <... prctl resumed>) = 0 [pid 4527] setpgid(0, 0) = 0 [pid 4527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... unlink resumed>) = 0 [pid 4527] <... openat resumed>) = 3 [pid 4524] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4527] write(3, "1000", 4) = 4 [pid 308] <... umount2 resumed>) = 0 [pid 4524] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4527] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4527] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./861/config"ci2-android-6-1/strace-static-x86_64: Process 4528 attached [pid 4527] symlink("/dev/binderfs", "./binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4524] <... mkdirat resumed>) = 0 [pid 308] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4528] set_robust_list(0x55556c898760, 24 [pid 4527] <... symlink resumed>) = 0 [pid 4524] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4528] <... set_robust_list resumed>) = 0 [pid 4527] write(1, "executing program\n", 18 [pid 308] openat(AT_FDCWD, "./861/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4528] rt_sigprocmask(SIG_SETMASK, [] [pid 4527] <... write resumed>) = 18 [pid 308] <... openat resumed>) = 4 executing program [pid 4524] <... symlinkat resumed>) = 0 [pid 308] fstat(4 [pid 4528] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4527] mkdirat(AT_FDCWD, "./config", 0777 [pid 4528] chdir("./871" [pid 4527] <... mkdirat resumed>) = 0 [pid 4524] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 4528] <... chdir resumed>) = 0 [pid 4527] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./850", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4524] <... unlinkat resumed>) = 0 [pid 308] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4524] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] openat(AT_FDCWD, "./850", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(4 [pid 4528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4527] <... mount resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 309] fstat(3 [pid 4528] <... prctl resumed>) = 0 [pid 4527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4528] setpgid(0, 0 [pid 4527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4524] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./861/config" [pid 4528] <... setpgid resumed>) = 0 [pid 4527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(3 [pid 4528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4527] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 4528] <... openat resumed>) = 3 [pid 4527] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4524] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 4524] <... exit_group resumed>) = ? [pid 309] umount2("./850/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4528] write(3, "1000", 4 [pid 4527] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 309] newfstatat(AT_FDCWD, "./850/binderfs" [pid 308] <... close resumed>) = 0 [pid 4528] <... write resumed>) = 4 [pid 4527] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rmdir("./861" [pid 309] unlink("./850/binderfs" [pid 4528] close(3 [pid 4527] <... symlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4528] <... close resumed>) = 0 [pid 4527] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... unlink resumed>) = 0 [pid 308] mkdir("./862", 0777 [pid 309] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4528] symlink("/dev/binderfs", "./binderfs" [pid 4527] <... unlinkat resumed>) = 0 [pid 4528] <... symlink resumed>) = 0 [pid 4527] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... mkdir resumed>) = 0 [pid 4528] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./850/config" [pid 4528] <... write resumed>) = 18 [pid 4527] <... unlinkat resumed>) = 0 [pid 4528] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4527] exit_group(0 executing program [pid 4524] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4528] mount(NULL, "./config", "configfs", 0, NULL [pid 4527] <... exit_group resumed>) = ? [pid 309] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4529 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4528] <... mount resumed>) = 0 [pid 4527] +++ exited with 0 +++ [pid 4528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4528] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./850/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4527, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... openat resumed>) = 4 [pid 4528] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4528] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] fstat(4 [pid 4528] <... mkdirat resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4528] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] getdents64(4 [pid 4528] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4528] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4 [pid 4528] <... unlinkat resumed>) = 0 [pid 306] umount2("./801", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4528] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4528] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4528] +++ exited with 0 +++ [pid 309] close(4 [pid 306] openat(AT_FDCWD, "./801", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... openat resumed>) = 3 [pid 309] rmdir("./850/config" [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4529 attached [pid 4529] set_robust_list(0x55556c898760, 24) = 0 [pid 4529] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 306] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4529] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4529] chdir("./862") = 0 [pid 4529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] close(3 [pid 306] umount2("./801/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./850" [pid 306] newfstatat(AT_FDCWD, "./801/binderfs" [pid 4529] <... prctl resumed>) = 0 [pid 4529] setpgid(0, 0) = 0 [pid 4529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 4529] <... openat resumed>) = 3 [pid 309] mkdir("./851", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4529] write(3, "1000", 4) = 4 [pid 4529] close(3) = 0 executing program [pid 4529] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] unlink("./801/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4529] write(1, "executing program\n", 18) = 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4529] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4529] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4530 [pid 306] <... umount2 resumed>) = 0 [pid 4529] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./801/config" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4529] <... mkdirat resumed>) = 0 [pid 4529] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./801/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4530 attached ) = -1 EINVAL (Invalid argument) [pid 307] umount2("./829", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./801/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4530] set_robust_list(0x55556c898760, 24 [pid 306] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./829", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4529] <... symlinkat resumed>) = 0 [pid 306] fstat(4 [pid 4529] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4530] <... set_robust_list resumed>) = 0 [pid 307] fstat(3 [pid 306] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(3 [pid 306] getdents64(4 [pid 4529] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4529] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./829/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./829/binderfs" [pid 306] rmdir("./801/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4530] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4530] chdir("./851" [pid 306] <... rmdir resumed>) = 0 [pid 307] unlink("./829/binderfs" [pid 306] getdents64(3 [pid 4530] <... chdir resumed>) = 0 [pid 4530] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 4530] <... prctl resumed>) = 0 [pid 4530] setpgid(0, 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 307] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./801" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4530] <... setpgid resumed>) = 0 [pid 4530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4529] <... unlinkat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./829/config" [pid 306] <... rmdir resumed>) = 0 [pid 4530] write(3, "1000", 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] mkdir("./802", 0777 [pid 4529] exit_group(0 [pid 307] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4530] <... write resumed>) = 4 [pid 4530] close(3 [pid 306] <... mkdir resumed>) = 0 [pid 4529] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./829/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(4 [pid 4530] <... close resumed>) = 0 [pid 4530] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4530] write(1, "executing program\n", 18 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4531 [pid 307] getdents64(4 [pid 4530] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4530] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 307] close(4 [pid 4530] <... mkdirat resumed>) = 0 [pid 4529] +++ exited with 0 +++ [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./829/config" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4530] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rmdir resumed>) = 0 [pid 4530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] getdents64(3 [pid 4530] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] close(3 [pid 4530] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... close resumed>) = 0 [pid 4530] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rmdir("./829" [pid 308] <... restart_syscall resumed>) = 0 [pid 4530] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./830", 0777 [pid 4530] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4530] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4530] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 308] umount2("./862", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4530] <... unlinkat resumed>) = 0 [pid 310] umount2("./871", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./862", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./871", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 3 [pid 4530] exit_group(0) = ? [pid 4530] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 310] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4532 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 310] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4531 attached [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./871/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./862/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./871/binderfs" [pid 308] newfstatat(AT_FDCWD, "./862/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./871/binderfs" [pid 308] unlink("./862/binderfs" [pid 4531] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4531] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... unlink resumed>) = 0 [pid 310] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4531] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4531] chdir("./802") = 0 [pid 4531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4531] setpgid(0, 0) = 0 [pid 4531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./871/config" [pid 308] newfstatat(AT_FDCWD, "./862/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4531] write(3, "1000", 4 [pid 308] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./871/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./862/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4531] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 308] fstat(4 [pid 4531] close(3) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 308] getdents64(4 [pid 4531] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4531] <... symlink resumed>) = 0 [pid 310] getdents64(4 [pid 308] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 308] close(4ci2-android-6-1/strace-static-x86_64: Process 4532 attached [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] rmdir("./871/config" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] rmdir("./862/config" [pid 4532] set_robust_list(0x55556c898760, 24) = 0 [pid 4532] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 4531] write(1, "executing program\n", 18) = 18 [pid 4531] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 4532] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./851", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 308] close(3 [pid 310] rmdir("./871" [pid 309] openat(AT_FDCWD, "./851", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 executing program [pid 4531] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] rmdir("./862" [pid 310] mkdir("./872", 0777 [pid 309] fstat(3 [pid 4532] chdir("./830") = 0 [pid 4532] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4532] setpgid(0, 0) = 0 [pid 4531] mount(NULL, "./config", "configfs", 0, NULL [pid 4532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4531] <... mount resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] mkdir("./863", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4532] <... openat resumed>) = 3 [pid 4531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4532] write(3, "1000", 4 [pid 4531] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./851/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4532] <... write resumed>) = 4 [pid 4531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4532] close(3 [pid 4531] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4532] <... close resumed>) = 0 [pid 4531] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4532] symlink("/dev/binderfs", "./binderfs" [pid 4531] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./851/binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4533 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4532] <... symlink resumed>) = 0 [pid 4531] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4532] write(1, "executing program\n", 18 [pid 4531] <... symlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./851/binderfs" [pid 4532] <... write resumed>) = 18 executing program [pid 4531] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4532] mkdirat(AT_FDCWD, "./config", 0777 [pid 4531] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4534 ci2-android-6-1/strace-static-x86_64: Process 4533 attached [pid 4532] <... mkdirat resumed>) = 0 [pid 4531] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4532] mount(NULL, "./config", "configfs", 0, NULL [pid 4531] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4532] <... mount resumed>) = 0 [pid 4531] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./851/config" [pid 4532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4531] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4533] set_robust_list(0x55556c898760, 24 [pid 4532] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4531] +++ exited with 0 +++ [pid 309] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4531, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "./851/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4532] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 4532] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(4 [pid 4532] <... mkdirat resumed>) = 0 [pid 4533] <... set_robust_list resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4532] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(4 [pid 4532] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4532] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 4532] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4532] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] close(4 [pid 4532] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4533] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./851/config" [pid 4532] exit_group(0) = ? [pid 4533] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4532] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4534 attached [pid 309] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./851" [pid 4534] set_robust_list(0x55556c898760, 24) = 0 [pid 4534] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 4534] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4534] chdir("./863" [pid 309] mkdir("./852", 0777 [pid 4534] <... chdir resumed>) = 0 [pid 4534] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4534] setpgid(0, 0) = 0 [pid 4534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./830", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./830", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4534] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 4534] write(3, "1000", 4) = 4 [pid 4534] close(3) = 0 [pid 4534] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4534] write(1, "executing program\n", 18) = 18 [pid 4534] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] fstat(3 [pid 4534] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4534] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4535 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4534] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4534] <... symlinkat resumed>) = 0 executing program [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4534] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./830/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4534] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4534] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] newfstatat(AT_FDCWD, "./830/binderfs" [pid 4534] <... unlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4533] chdir("./872" [pid 4534] exit_group(0 [pid 307] unlink("./830/binderfs" [pid 4534] <... exit_group resumed>) = ? [pid 4534] +++ exited with 0 +++ [pid 4533] <... chdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4535 attached [pid 4535] set_robust_list(0x55556c898760, 24 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... umount2 resumed>) = 0 [pid 4535] <... set_robust_list resumed>) = 0 [pid 4533] <... prctl resumed>) = 0 [pid 307] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4535] rt_sigprocmask(SIG_SETMASK, [] [pid 4533] setpgid(0, 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4535] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./830/config" [pid 4533] <... setpgid resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4535] chdir("./852" [pid 307] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4535] <... chdir resumed>) = 0 [pid 4535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] openat(AT_FDCWD, "./830/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4535] <... prctl resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 4535] setpgid(0, 0 [pid 307] fstat(4 [pid 4535] <... setpgid resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4533] <... openat resumed>) = 3 [pid 4535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4533] write(3, "1000", 4 [pid 307] getdents64(4 [pid 4535] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4535] write(3, "1000", 4 [pid 4533] <... write resumed>) = 4 [pid 307] getdents64(4 [pid 4535] <... write resumed>) = 4 [pid 4533] close(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4535] close(3 [pid 307] close(4 [pid 4533] <... close resumed>) = 0 [pid 4535] <... close resumed>) = 0 [pid 4533] symlink("/dev/binderfs", "./binderfs" [pid 307] <... close resumed>) = 0 [pid 4535] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4533] <... symlink resumed>) = 0 [pid 307] rmdir("./830/config" [pid 4535] write(1, "executing program\n", 18) = 18 [pid 4535] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 4533] write(1, "executing program\n", 18 [pid 307] getdents64(3 [pid 4533] <... write resumed>) = 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program executing program [pid 4535] <... mkdirat resumed>) = 0 [pid 4533] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] close(3 [pid 4535] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./830" [pid 4535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4535] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 4535] <... mkdirat resumed>) = 0 [pid 4533] <... mkdirat resumed>) = 0 [pid 307] mkdir("./831", 0777 [pid 4535] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4535] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4535] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4533] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4535] <... unlinkat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4533] <... mount resumed>) = 0 [pid 308] umount2("./863", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./802", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4535] exit_group(0) = ? [pid 4535] +++ exited with 0 +++ [pid 4533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] openat(AT_FDCWD, "./863", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4535, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... openat resumed>) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] fstat(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4536 [pid 306] openat(AT_FDCWD, "./802", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4533] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 4533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4536 attached [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4533] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./863/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4533] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4536] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] newfstatat(AT_FDCWD, "./863/binderfs" [pid 306] umount2("./802/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4536] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4533] <... mkdirat resumed>) = 0 [pid 308] unlink("./863/binderfs" [pid 306] newfstatat(AT_FDCWD, "./802/binderfs" [pid 4536] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4536] chdir("./831" [pid 308] <... unlink resumed>) = 0 [pid 4533] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./802/binderfs" [pid 4536] <... chdir resumed>) = 0 [pid 4536] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4536] setpgid(0, 0) = 0 [pid 4536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4533] <... symlinkat resumed>) = 0 [pid 306] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4533] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4536] <... openat resumed>) = 3 [pid 4533] <... unlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./863/config" [pid 306] <... umount2 resumed>) = 0 [pid 4536] write(3, "1000", 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4533] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4536] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./802/config" [pid 308] openat(AT_FDCWD, "./863/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] umount2("./802/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./802/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4533] <... unlinkat resumed>) = 0 [pid 308] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 4536] close(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] fstat(4 [pid 4533] exit_group(0 [pid 308] getdents64(4 [pid 4533] <... exit_group resumed>) = ? [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 308] close(4 [pid 4536] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 308] rmdir("./863/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4536] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 308] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 4536] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./802/config" [pid 308] close(3 [pid 4536] <... write resumed>) = 18 [pid 4536] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4533] +++ exited with 0 +++ [pid 308] rmdir("./863" [pid 306] getdents64(3 [pid 4536] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4533, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 308] mkdir("./864", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4536] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] close(3 [pid 309] umount2("./852", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4536] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 306] rmdir("./802" [pid 309] openat(AT_FDCWD, "./852", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4536] <... symlinkat resumed>) = 0 [pid 4536] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] mkdir("./803", 0777 [pid 309] fstat(3 [pid 4536] <... unlinkat resumed>) = 0 [pid 4536] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4536] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4536] <... exit_group resumed>) = ? [pid 4536] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4537 [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4537 attached [pid 4537] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4536, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./852/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./852/binderfs" [pid 4537] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4537] chdir("./864") = 0 [pid 4537] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4537] setpgid(0, 0) = 0 [pid 4537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4538 [pid 309] unlink("./852/binderfs" [pid 4537] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4537] write(3, "1000", 4) = 4 [pid 309] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4537] close(3) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4537] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4537] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4537] <... write resumed>) = 18 executing program [pid 309] newfstatat(AT_FDCWD, "./852/config" [pid 4537] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4537] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./872", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./852/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4537] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] openat(AT_FDCWD, "./872", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 4 [pid 4537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 309] fstat(4 [pid 310] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 4537] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 4537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(4 [pid 310] umount2("./872/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 310] newfstatat(AT_FDCWD, "./872/binderfs" [pid 4537] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./852/config" [pid 310] unlink("./872/binderfs" [pid 4537] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4537] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 4537] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 310] <... umount2 resumed>) = 0 [pid 4537] <... unlinkat resumed>) = 0 [pid 310] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 4537] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./852" [pid 307] <... restart_syscall resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./872/config"ci2-android-6-1/strace-static-x86_64: Process 4538 attached [pid 4538] set_robust_list(0x55556c898760, 24) = 0 [pid 4538] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 4537] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./853", 0777 [pid 310] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4538] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4538] chdir("./803") = 0 [pid 4538] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4537] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] openat(AT_FDCWD, "./872/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./831", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 4538] setpgid(0, 0) = 0 [pid 4538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4538] write(3, "1000", 4) = 4 [pid 307] openat(AT_FDCWD, "./831", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4539 [pid 310] getdents64(4 [pid 307] <... openat resumed>) = 3 [pid 4538] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4538] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(3 [pid 310] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 307] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 4538] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./872/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4538] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] umount2("./831/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./831/binderfs" [pid 310] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 307] unlink("./831/binderfs" [pid 310] rmdir("./872" [pid 4538] write(1, "executing program\n", 18) = 18 [pid 307] <... unlink resumed>) = 0 executing program [pid 4538] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./873", 0777 [pid 4538] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4538] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 307] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4537] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4537, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./831/config" [pid 4538] <... mkdirat resumed>) = 0 [pid 4538] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4540 [pid 307] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4538] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4538] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./831/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4538] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... openat resumed>) = 4 [pid 4538] <... unlinkat resumed>) = 0 [pid 307] fstat(4ci2-android-6-1/strace-static-x86_64: Process 4540 attached ci2-android-6-1/strace-static-x86_64: Process 4539 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4539] set_robust_list(0x55556c898760, 24 [pid 307] getdents64(4 [pid 4539] <... set_robust_list resumed>) = 0 [pid 4539] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4539] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 4539] chdir("./853" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4539] <... chdir resumed>) = 0 [pid 307] close(4 [pid 4539] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... close resumed>) = 0 [pid 4539] <... prctl resumed>) = 0 [pid 307] rmdir("./831/config" [pid 4539] setpgid(0, 0) = 0 [pid 4539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 4539] write(3, "1000", 4 [pid 307] getdents64(3 [pid 4539] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4539] close(3 [pid 307] close(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 4539] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4539] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] rmdir("./831" [pid 308] umount2("./864", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4540] set_robust_list(0x55556c898760, 24 [pid 4539] write(1, "executing program\n", 18 [pid 4538] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 4539] <... write resumed>) = 18 [pid 308] openat(AT_FDCWD, "./864", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./832", 0777 [pid 308] <... openat resumed>) = 3 [pid 4538] <... exit_group resumed>) = ? executing program [pid 4539] mkdirat(AT_FDCWD, "./config", 0777 [pid 4538] +++ exited with 0 +++ [pid 308] fstat(3 [pid 307] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4540] <... set_robust_list resumed>) = 0 [pid 4540] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4540] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./864/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4540] chdir("./873") = 0 [pid 4540] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4540] setpgid(0, 0) = 0 [pid 4540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./864/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4541 [pid 4540] write(3, "1000", 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] unlink("./864/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4540] <... write resumed>) = 4 [pid 4540] close(3) = 0 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4540] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4540] write(1, "executing program\n", 18 [pid 308] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4540] <... write resumed>) = 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4540] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] newfstatat(AT_FDCWD, "./864/config" [pid 4540] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4540] <... mount resumed>) = 0 [pid 308] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4540] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./864/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 4 [pid 4540] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] fstat(4 [pid 4540] <... mkdirat resumed>) = 0 [pid 4539] <... mkdirat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4540] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4539] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(4 [pid 4540] <... symlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4540] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] getdents64(4 [pid 4540] <... unlinkat resumed>) = 0 [pid 4539] <... mount resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4540] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] close(4 [pid 4540] <... unlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4540] exit_group(0 [pid 4539] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rmdir("./864/config" [pid 4540] <... exit_group resumed>) = ? [pid 4540] +++ exited with 0 +++ [pid 4539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(3 [pid 4539] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 4541 attached [pid 4539] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... close resumed>) = 0 [pid 4541] set_robust_list(0x55556c898760, 24 [pid 308] rmdir("./864" [pid 4541] <... set_robust_list resumed>) = 0 [pid 4541] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4541] chdir("./832") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] mkdir("./865", 0777 [pid 4539] <... mkdirat resumed>) = 0 [pid 4541] <... prctl resumed>) = 0 [pid 4541] setpgid(0, 0) = 0 [pid 4541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4539] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... mkdir resumed>) = 0 [pid 4541] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4541] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4539] <... symlinkat resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4541] close(3) = 0 [pid 4541] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4541] write(1, "executing program\n", 18) = 18 [pid 4541] mkdirat(AT_FDCWD, "./config", 0777 [pid 4539] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4541] <... mkdirat resumed>) = 0 [pid 4539] <... unlinkat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4542 [pid 4541] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4539] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4541] <... mount resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./873", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4539] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4541] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./873", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4539] exit_group(0 [pid 4541] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... openat resumed>) = 3 executing program [pid 4539] <... exit_group resumed>) = ? [pid 310] fstat(3 [pid 4541] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4541] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 4541] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4541] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./873/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4541] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4539] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./873/binderfs" [pid 4541] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4539, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./873/binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4541] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4541] exit_group(0 [pid 310] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4541] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4542 attached [pid 310] <... umount2 resumed>) = 0 [pid 4541] +++ exited with 0 +++ [pid 310] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4542] set_robust_list(0x55556c898760, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4541, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] newfstatat(AT_FDCWD, "./873/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4542] <... set_robust_list resumed>) = 0 [pid 310] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4542] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4542] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./873/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4542] chdir("./865" [pid 310] <... openat resumed>) = 4 [pid 4542] <... chdir resumed>) = 0 [pid 310] fstat(4 [pid 4542] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4542] setpgid(0, 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4542] <... setpgid resumed>) = 0 [pid 310] getdents64(4 [pid 4542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4542] <... openat resumed>) = 3 [pid 310] close(4 [pid 4542] write(3, "1000", 4 [pid 310] <... close resumed>) = 0 [pid 306] umount2("./803", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./873/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4542] <... write resumed>) = 4 [pid 4542] close(3) = 0 [pid 4542] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./803", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 4542] write(1, "executing program\n", 18 [pid 306] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4542] <... write resumed>) = 18 executing program [pid 310] close(3 [pid 306] fstat(3 [pid 4542] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4542] <... mkdirat resumed>) = 0 [pid 310] rmdir("./873" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] getdents64(3 [pid 4542] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 4542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4542] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./874", 0777 [pid 306] umount2("./803/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./832", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4542] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./832", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./803/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(3 [pid 306] unlink("./803/binderfs" [pid 4542] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4542] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4542] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4542] exit_group(0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4543 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4542] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = 0 [pid 307] umount2("./832/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./832/binderfs" [pid 306] newfstatat(AT_FDCWD, "./803/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./832/binderfs" [pid 306] umount2("./803/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4542] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 4543 attached [pid 4543] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./803/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./853", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 306] fstat(4 [pid 309] openat(AT_FDCWD, "./853", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 306] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./832/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4543] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 306] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./853/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4543] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./853/binderfs" [pid 306] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./832/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./803/config" [pid 309] unlink("./853/binderfs" [pid 307] <... openat resumed>) = 4 [pid 4543] chdir("./874") = 0 [pid 4543] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4543] setpgid(0, 0) = 0 [pid 4543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... unlink resumed>) = 0 [pid 307] fstat(4 [pid 306] getdents64(3 [pid 309] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4543] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = 0 [pid 307] getdents64(4 [pid 306] close(3 [pid 309] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4543] write(3, "1000", 4) = 4 [pid 4543] close(3 [pid 306] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 306] rmdir("./803" [pid 309] newfstatat(AT_FDCWD, "./853/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4543] <... close resumed>) = 0 [pid 4543] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] close(4 [pid 306] <... rmdir resumed>) = 0 [pid 309] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./804", 0777 [pid 309] openat(AT_FDCWD, "./853/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4543] write(1, "executing program\n", 18) = 18 executing program [pid 4543] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] umount2("./865", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./832/config" [pid 306] <... mkdir resumed>) = 0 [pid 309] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4543] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./865", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 308] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(3 [pid 4543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4543] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4543] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 309] close(4 [pid 4543] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./832" [pid 308] umount2("./865/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4544 [pid 309] rmdir("./853/config" [pid 4543] <... unlinkat resumed>) = 0 [pid 4543] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4543] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./833", 0777 [pid 309] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./865/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4543] <... exit_group resumed>) = ? [pid 4543] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(3 [pid 308] unlink("./865/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4544 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4543, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4544] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./853" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4544] <... set_robust_list resumed>) = 0 [pid 4544] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4544] chdir("./804" [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./854", 0777 [pid 308] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4544] <... chdir resumed>) = 0 [pid 4544] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4544] setpgid(0, 0) = 0 [pid 4544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4544] write(3, "1000", 4) = 4 [pid 4544] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4544] <... close resumed>) = 0 [pid 4544] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./865/config" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4545 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4544] write(1, "executing program\n", 18) = 18 executing program [pid 4544] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4546 [pid 308] openat(AT_FDCWD, "./865/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4544] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4544] <... mount resumed>) = 0 [pid 308] getdents64(4 [pid 4544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(4 [pid 4544] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4544] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] close(4 [pid 4544] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./865/config" [pid 4544] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4544] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] umount2("./874", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 310] openat(AT_FDCWD, "./874", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4544] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 3 [pid 308] close(3 [pid 4544] <... unlinkat resumed>) = 0 [pid 310] fstat(3 [pid 308] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./865" [pid 310] getdents64(3 [pid 4544] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 4546 attached [pid 4544] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4545 attached [pid 310] umount2("./874/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./866", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4545] set_robust_list(0x55556c898760, 24) = 0 [pid 4545] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./874/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./874/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4545] chdir("./833") = 0 [pid 310] <... unlink resumed>) = 0 [pid 4545] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4545] setpgid(0, 0) = 0 [pid 4545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4545] write(3, "1000", 4 [pid 310] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4547 [pid 4545] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4546] set_robust_list(0x55556c898760, 24 [pid 310] newfstatat(AT_FDCWD, "./874/config" [pid 4546] <... set_robust_list resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4546] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4545] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4545] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./874/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4545] symlink("/dev/binderfs", "./binderfs" [pid 310] <... openat resumed>) = 4 [pid 4545] <... symlink resumed>) = 0 [pid 310] fstat(4 [pid 4546] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4545] write(1, "executing program\n", 18 [pid 310] getdents64(4 [pid 4545] <... write resumed>) = 18 [pid 4545] mkdirat(AT_FDCWD, "./config", 0777 [pid 4546] chdir("./854" [pid 4545] <... mkdirat resumed>) = 0 executing program [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4545] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(4 [pid 4545] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] close(4 [pid 4545] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 4545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./874/config" [pid 4545] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4545] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 4545] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4545] <... symlinkat resumed>) = 0 [pid 310] close(3 [pid 4545] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... close resumed>) = 0 [pid 4545] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./874" [pid 4546] <... chdir resumed>) = 0 [pid 4545] <... unlinkat resumed>) = 0 [pid 4545] exit_group(0 [pid 4546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 4545] <... exit_group resumed>) = ? [pid 310] mkdir("./875", 0777 [pid 4546] <... prctl resumed>) = 0 [pid 4546] setpgid(0, 0 [pid 4545] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4546] <... setpgid resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4545, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4547 attached [pid 4547] set_robust_list(0x55556c898760, 24 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4547] <... set_robust_list resumed>) = 0 [pid 4547] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4547] chdir("./866") = 0 [pid 4547] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4547] setpgid(0, 0) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4548 [pid 4546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4546] <... openat resumed>) = 3 [pid 4547] <... openat resumed>) = 3 [pid 4546] write(3, "1000", 4 [pid 4547] write(3, "1000", 4 [pid 306] umount2("./804", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4546] <... write resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4547] <... write resumed>) = 4 [pid 4546] close(3 [pid 306] openat(AT_FDCWD, "./804", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4547] close(3 [pid 306] <... openat resumed>) = 3 [pid 4546] <... close resumed>) = 0 [pid 306] fstat(3 [pid 4547] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4546] symlink("/dev/binderfs", "./binderfs" [pid 4547] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(3 [pid 4547] <... symlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4547] write(1, "executing program\n", 18 [pid 306] umount2("./804/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4546] <... symlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4547] <... write resumed>) = 18 executing program [pid 4546] write(1, "executing program\n", 18 [pid 306] newfstatat(AT_FDCWD, "./804/binderfs" [pid 4547] mkdirat(AT_FDCWD, "./config", 0777 [pid 4546] <... write resumed>) = 18 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 4547] <... mkdirat resumed>) = 0 [pid 4546] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] unlink("./804/binderfs" [pid 307] <... restart_syscall resumed>) = 0 [pid 4547] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] umount2("./833", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4547] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] openat(AT_FDCWD, "./833", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = 0 [pid 4547] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... openat resumed>) = 3 [pid 306] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./804/config" [pid 4546] <... mkdirat resumed>) = 0 [pid 307] getdents64(3 [pid 4547] <... mkdirat resumed>) = 0 [pid 4547] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4546] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./804/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./833/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./804/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./833/binderfs" [pid 306] <... openat resumed>) = 4 [pid 4547] <... symlinkat resumed>) = 0 [pid 4546] <... mount resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(4 [pid 4546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] unlink("./833/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4547] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4547] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4546] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(4 [pid 4546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4547] exit_group(0) = ? [pid 4547] +++ exited with 0 +++ [pid 4546] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4546] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] newfstatat(AT_FDCWD, "./833/config" [pid 306] close(4ci2-android-6-1/strace-static-x86_64: Process 4548 attached [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 307] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./804/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4548] set_robust_list(0x55556c898760, 24) = 0 [pid 4548] rt_sigprocmask(SIG_SETMASK, [] [pid 4546] <... mkdirat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./833/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 4548] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 4 [pid 4546] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] fstat(4 [pid 306] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 306] close(3 [pid 4548] chdir("./875" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 306] rmdir("./804" [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4548] <... chdir resumed>) = 0 [pid 4548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4548] setpgid(0, 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 4546] <... symlinkat resumed>) = 0 [pid 4548] <... setpgid resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4546] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./866", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./833/config" [pid 306] mkdir("./805", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] openat(AT_FDCWD, "./866", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 4548] write(3, "1000", 4) = 4 [pid 4548] close(3) = 0 [pid 4548] symlink("/dev/binderfs", "./binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4546] <... unlinkat resumed>) = 0 [pid 308] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4546] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 4548] <... symlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rmdir("./833" [pid 4548] write(1, "executing program\n", 18) = 18 [pid 4548] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] umount2("./866/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4548] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./834", 0777 [pid 308] newfstatat(AT_FDCWD, "./866/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4549 [pid 4548] <... mount resumed>) = 0 [pid 4548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] unlink("./866/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4548] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4548] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 4549 attached [pid 4549] set_robust_list(0x55556c898760, 24) = 0 [pid 4549] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4549] chdir("./805" [pid 308] <... umount2 resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4550 [pid 4546] <... unlinkat resumed>) = 0 [pid 308] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./866/config" [pid 4546] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4548] <... mkdirat resumed>) = 0 [pid 4546] <... exit_group resumed>) = ? [pid 308] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4548] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4548] <... symlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./866/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4548] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... openat resumed>) = 4 [pid 4548] <... unlinkat resumed>) = 0 [pid 308] fstat(4 [pid 4548] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4548] <... unlinkat resumed>) = 0 [pid 4546] +++ exited with 0 +++ [pid 308] getdents64(4 [pid 4548] exit_group(0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(4 [pid 4548] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 4548] +++ exited with 0 +++ [pid 308] close(4 [pid 4549] <... chdir resumed>) = 0 [pid 4549] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4548, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... close resumed>) = 0 [pid 310] umount2("./875", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./866/config" [pid 4549] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4549] <... setpgid resumed>) = 0 [pid 4549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] openat(AT_FDCWD, "./875", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 4549] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 310] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 4549] <... write resumed>) = 4 [pid 4549] close(3 [pid 310] getdents64(3 [pid 4549] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rmdir("./866" [pid 310] umount2("./875/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4549] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./867", 0777 [pid 310] newfstatat(AT_FDCWD, "./875/binderfs" [pid 4549] write(1, "executing program\n", 18) = 18 [pid 4549] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] unlink("./875/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4549] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./854", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4549] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4549] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./854", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4551 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 4549] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./875/config" [pid 309] fstat(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4549] <... symlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./875/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4549] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 ci2-android-6-1/strace-static-x86_64: Process 4550 attached [pid 4549] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./854/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./854/binderfs" [pid 310] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4551 attached [pid 4550] set_robust_list(0x55556c898760, 24 [pid 4549] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./854/binderfs" [pid 4550] <... set_robust_list resumed>) = 0 [pid 4549] exit_group(0 [pid 310] getdents64(4 [pid 4550] rt_sigprocmask(SIG_SETMASK, [] [pid 4549] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] close(4 [pid 309] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 4551] set_robust_list(0x55556c898760, 24 [pid 4550] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4549] +++ exited with 0 +++ [pid 310] rmdir("./875/config" [pid 309] <... umount2 resumed>) = 0 [pid 4550] chdir("./834") = 0 [pid 4550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4549, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./854/config" [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4550] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./875" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4550] setpgid(0, 0) = 0 [pid 4550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./854/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./876", 0777 [pid 309] <... openat resumed>) = 4 [pid 4550] write(3, "1000", 4) = 4 [pid 4550] close(3) = 0 [pid 4550] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4550] write(1, "executing program\n", 18) = 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4550] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] getdents64(4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4552 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4550] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4550] <... mount resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rmdir("./854/config" [pid 4550] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 4552 attached [pid 4551] <... set_robust_list resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(3 [pid 4550] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4550] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] close(3 [pid 4550] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4550] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rmdir("./854" [pid 306] <... restart_syscall resumed>) = 0 [pid 4550] <... symlinkat resumed>) = 0 [pid 4550] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./855", 0777 [pid 4550] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4550] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 306] umount2("./805", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./805", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4550] <... exit_group resumed>) = ? [pid 306] <... openat resumed>) = 3 [pid 4550] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4553 [pid 306] fstat(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 4552] set_robust_list(0x55556c898760, 24 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4551] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./805/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4552] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4552] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./805/binderfs" [pid 4551] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4551] chdir("./867" [pid 306] unlink("./805/binderfs" [pid 4552] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4551] <... chdir resumed>) = 0 [pid 4552] chdir("./876" [pid 306] <... unlink resumed>) = 0 [pid 4551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4551] <... prctl resumed>) = 0 [pid 4551] setpgid(0, 0 [pid 306] <... umount2 resumed>) = 0 [pid 4552] <... chdir resumed>) = 0 [pid 306] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4551] <... setpgid resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] newfstatat(AT_FDCWD, "./805/config" [pid 4552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4552] <... prctl resumed>) = 0 [pid 306] umount2("./805/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4552] setpgid(0, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4552] <... setpgid resumed>) = 0 [pid 306] openat(AT_FDCWD, "./805/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4551] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 4 [pid 4552] <... openat resumed>) = 3 [pid 4551] write(3, "1000", 4 [pid 4552] write(3, "1000", 4 [pid 4551] <... write resumed>) = 4 [pid 306] fstat(4 [pid 4552] <... write resumed>) = 4 [pid 4551] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4552] close(3 [pid 4551] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 4552] <... close resumed>) = 0 [pid 4551] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4552] symlink("/dev/binderfs", "./binderfs" [pid 4551] <... symlink resumed>) = 0 [pid 306] getdents64(4 [pid 4552] <... symlink resumed>) = 0 [pid 4551] write(1, "executing program\n", 18 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4552] write(1, "executing program\n", 18 [pid 4551] <... write resumed>) = 18 executing program [pid 306] close(4 [pid 4552] <... write resumed>) = 18 [pid 4551] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... close resumed>) = 0 executing program ci2-android-6-1/strace-static-x86_64: Process 4553 attached [pid 4552] mkdirat(AT_FDCWD, "./config", 0777 [pid 4551] <... mkdirat resumed>) = 0 [pid 306] rmdir("./805/config" [pid 4552] <... mkdirat resumed>) = 0 [pid 4551] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rmdir resumed>) = 0 [pid 4553] set_robust_list(0x55556c898760, 24 [pid 306] getdents64(3 [pid 4552] mount(NULL, "./config", "configfs", 0, NULL [pid 4551] <... mount resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4552] <... mount resumed>) = 0 [pid 4551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] close(3 [pid 4552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4551] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... close resumed>) = 0 [pid 4552] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] rmdir("./805" [pid 4552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4551] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4552] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4551] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4552] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4551] <... mkdirat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4552] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4551] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] mkdir("./806", 0777 [pid 4552] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4551] <... symlinkat resumed>) = 0 [pid 4552] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4551] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4552] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4551] <... unlinkat resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4552] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4551] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4553] <... set_robust_list resumed>) = 0 [pid 4552] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4551] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4552] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4551] exit_group(0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4552] exit_group(0 [pid 4551] <... exit_group resumed>) = ? [pid 4552] <... exit_group resumed>) = ? [pid 4551] +++ exited with 0 +++ [pid 4553] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4554 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4551, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4553] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4552] +++ exited with 0 +++ [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4554 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4552, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4554] set_robust_list(0x55556c898760, 24) = 0 [pid 310] umount2("./876", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./876", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4554] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 4554] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4554] chdir("./806" [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4554] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 4554] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4554] setpgid(0, 0 [pid 310] umount2("./876/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4554] <... setpgid resumed>) = 0 [pid 4554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4553] chdir("./855" [pid 310] newfstatat(AT_FDCWD, "./876/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4553] <... chdir resumed>) = 0 [pid 310] unlink("./876/binderfs" [pid 4553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... restart_syscall resumed>) = 0 [pid 4554] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 4553] <... prctl resumed>) = 0 [pid 310] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4554] write(3, "1000", 4 [pid 4553] setpgid(0, 0) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] umount2("./834", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4554] <... write resumed>) = 4 [pid 310] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4554] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] openat(AT_FDCWD, "./834", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./876/config" [pid 4554] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 310] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4553] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 310] openat(AT_FDCWD, "./876/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4554] symlink("/dev/binderfs", "./binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4553] write(3, "1000", 4 [pid 310] <... openat resumed>) = 4 [pid 307] umount2("./834/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4553] <... write resumed>) = 4 [pid 310] fstat(4 [pid 4554] <... symlink resumed>) = 0 [pid 4553] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./834/binderfs" [pid 4554] write(1, "executing program\n", 18) = 18 executing program [pid 4554] mkdirat(AT_FDCWD, "./config", 0777 [pid 4553] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4553] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(4 [pid 307] unlink("./834/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 4554] <... mkdirat resumed>) = 0 [pid 4553] <... symlink resumed>) = 0 [pid 310] close(4 [pid 307] <... unlink resumed>) = 0 [pid 4554] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 307] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4553] write(1, "executing program\n", 18 [pid 310] rmdir("./876/config" [pid 4553] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = 0 [pid 4554] <... mount resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4553] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] newfstatat(AT_FDCWD, "./834/config" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./867", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 307] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./876" [pid 308] openat(AT_FDCWD, "./867", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4554] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4554] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./834/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./877", 0777 [pid 308] fstat(3 [pid 307] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4554] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] fstat(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./867/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4554] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 4554] <... symlinkat resumed>) = 0 [pid 4554] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-6-1/strace-static-x86_64: Process 4555 attached ) = 0 [pid 4553] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4555 [pid 308] newfstatat(AT_FDCWD, "./867/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4554] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 4555] set_robust_list(0x55556c898760, 24 [pid 4553] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] unlink("./867/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4555] <... set_robust_list resumed>) = 0 [pid 4554] <... unlinkat resumed>) = 0 [pid 4553] <... mount resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] close(4 [pid 4553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 4555] rt_sigprocmask(SIG_SETMASK, [] [pid 4554] exit_group(0 [pid 4553] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = 0 [pid 307] rmdir("./834/config" [pid 4555] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4554] <... exit_group resumed>) = ? [pid 307] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 4553] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] newfstatat(AT_FDCWD, "./867/config" [pid 4553] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4555] chdir("./877" [pid 4554] +++ exited with 0 +++ [pid 4553] <... mkdirat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(3 [pid 4555] <... chdir resumed>) = 0 [pid 4553] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./834" [pid 308] openat(AT_FDCWD, "./867/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4555] <... prctl resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4555] setpgid(0, 0 [pid 4553] <... symlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] mkdir("./835", 0777 [pid 4555] <... setpgid resumed>) = 0 [pid 308] fstat(4 [pid 4555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4553] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4555] write(3, "1000", 4 [pid 4553] <... unlinkat resumed>) = 0 [pid 308] getdents64(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4555] <... write resumed>) = 4 [pid 4553] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4555] close(3) = 0 [pid 4555] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 4556 attached ) = 0 [pid 4553] <... unlinkat resumed>) = 0 [pid 308] close(4 [pid 4556] set_robust_list(0x55556c898760, 24 [pid 4555] write(1, "executing program\n", 18 [pid 4553] exit_group(0 [pid 308] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4556 [pid 4556] <... set_robust_list resumed>) = 0 [pid 4553] <... exit_group resumed>) = ? [pid 308] rmdir("./867/config" executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4555] <... write resumed>) = 18 [pid 4555] mkdirat(AT_FDCWD, "./config", 0777 [pid 4556] rt_sigprocmask(SIG_SETMASK, [] [pid 4555] <... mkdirat resumed>) = 0 [pid 4553] +++ exited with 0 +++ [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4556] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4555] mount(NULL, "./config", "configfs", 0, NULL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4553, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 4556] chdir("./835" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4556] <... chdir resumed>) = 0 [pid 308] close(3 [pid 4556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4555] <... mount resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4556] setpgid(0, 0 [pid 4555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rmdir("./867" [pid 4556] <... setpgid resumed>) = 0 [pid 4555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4555] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 4555] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] mkdir("./868", 0777 [pid 4556] <... openat resumed>) = 3 [pid 4555] <... mkdirat resumed>) = 0 [pid 4556] write(3, "1000", 4 [pid 4555] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4556] <... write resumed>) = 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4556] close(3) = 0 [pid 4555] <... symlinkat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./855", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4555] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./806", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4555] <... unlinkat resumed>) = 0 [pid 4555] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4556] symlink("/dev/binderfs", "./binderfs" [pid 4555] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./855", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4557 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 4555] exit_group(0 [pid 309] fstat(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./806", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4556] <... symlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4556] write(1, "executing program\n", 18 [pid 306] <... openat resumed>) = 3 [pid 4556] <... write resumed>) = 18 [pid 4555] <... exit_group resumed>) = ? executing program [pid 309] getdents64(3 [pid 306] fstat(3 [pid 4556] mkdirat(AT_FDCWD, "./config", 0777 [pid 4555] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./855/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4555, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./855/binderfs" [pid 306] getdents64(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./855/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 4557 attached [pid 309] <... unlink resumed>) = 0 [pid 306] umount2("./806/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./877", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4556] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./806/binderfs" [pid 310] openat(AT_FDCWD, "./877", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4556] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4556] <... mount resumed>) = 0 [pid 306] unlink("./806/binderfs" [pid 4556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./855/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4556] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 309] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4556] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4556] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./877/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./855/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./877/binderfs" [pid 306] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 310] unlink("./877/binderfs" [pid 309] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./806/config" [pid 4556] <... mkdirat resumed>) = 0 [pid 310] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 4556] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4557] set_robust_list(0x55556c898760, 24 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./806/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4557] <... set_robust_list resumed>) = 0 [pid 4556] <... symlinkat resumed>) = 0 [pid 310] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 4556] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./877/config" [pid 306] openat(AT_FDCWD, "./806/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4557] rt_sigprocmask(SIG_SETMASK, [] [pid 4556] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 306] <... openat resumed>) = 4 [pid 4557] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4556] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./855/config" [pid 306] fstat(4 [pid 310] openat(AT_FDCWD, "./877/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4557] chdir("./868" [pid 4556] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4557] <... chdir resumed>) = 0 [pid 4556] exit_group(0 [pid 310] fstat(4 [pid 309] getdents64(3 [pid 4557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4556] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 4557] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./855" [pid 306] getdents64(4 [pid 310] close(4 [pid 4557] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4557] <... setpgid resumed>) = 0 [pid 4556] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 309] mkdir("./856", 0777 [pid 306] close(4 [pid 4557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rmdir("./877/config" [pid 4557] <... openat resumed>) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4557] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 4557] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rmdir("./806/config" [pid 310] close(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4557] close(3 [pid 310] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4557] <... close resumed>) = 0 [pid 4557] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 4558 attached ) = 0 [pid 310] rmdir("./877" [pid 306] getdents64(3 executing program [pid 4557] write(1, "executing program\n", 18) = 18 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4558 [pid 310] mkdir("./878", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4557] mkdirat(AT_FDCWD, "./config", 0777 [pid 4558] set_robust_list(0x55556c898760, 24 [pid 4557] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... close resumed>) = 0 [pid 4558] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rmdir("./806" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4557] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] mkdir("./807", 0777ci2-android-6-1/strace-static-x86_64: Process 4559 attached [pid 4558] rt_sigprocmask(SIG_SETMASK, [] [pid 4557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4559 [pid 4557] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4557] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 4559] set_robust_list(0x55556c898760, 24 [pid 4558] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4557] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4559] <... set_robust_list resumed>) = 0 [pid 4558] chdir("./856" [pid 4557] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4559] rt_sigprocmask(SIG_SETMASK, [] [pid 4558] <... chdir resumed>) = 0 [pid 4557] <... symlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4559] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4557] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4559] chdir("./878" [pid 4558] <... prctl resumed>) = 0 [pid 4557] <... unlinkat resumed>) = 0 [pid 4559] <... chdir resumed>) = 0 [pid 4558] setpgid(0, 0 [pid 4557] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4558] <... setpgid resumed>) = 0 [pid 4557] <... unlinkat resumed>) = 0 [pid 4557] exit_group(0) = ? [pid 4559] <... prctl resumed>) = 0 [pid 4558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4557] +++ exited with 0 +++ [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4560 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4557, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4559] setpgid(0, 0 [pid 4558] <... openat resumed>) = 3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4559] <... setpgid resumed>) = 0 [pid 4558] write(3, "1000", 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4558] <... write resumed>) = 4 [pid 4558] close(3 [pid 4559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4558] <... close resumed>) = 0 [pid 4559] <... openat resumed>) = 3 [pid 4558] symlink("/dev/binderfs", "./binderfs" [pid 4559] write(3, "1000", 4ci2-android-6-1/strace-static-x86_64: Process 4560 attached ) = 4 [pid 4558] <... symlink resumed>) = 0 [pid 4560] set_robust_list(0x55556c898760, 24 [pid 4559] close(3 [pid 4558] write(1, "executing program\n", 18 [pid 4560] <... set_robust_list resumed>) = 0 [pid 4559] <... close resumed>) = 0 [pid 4558] <... write resumed>) = 18 executing program [pid 4559] symlink("/dev/binderfs", "./binderfs" [pid 4558] mkdirat(AT_FDCWD, "./config", 0777 [pid 4560] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4558] <... mkdirat resumed>) = 0 [pid 4559] <... symlink resumed>) = 0 [pid 4558] mount(NULL, "./config", "configfs", 0, NULL [pid 4559] write(1, "executing program\n", 18) = 18 [pid 4558] <... mount resumed>) = 0 [pid 4558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4559] mkdirat(AT_FDCWD, "./config", 0777 [pid 4558] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 4558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4558] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4560] chdir("./807") = 0 [pid 4558] <... mkdirat resumed>) = 0 [pid 4558] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4559] <... mkdirat resumed>) = 0 [pid 4559] mount(NULL, "./config", "configfs", 0, NULL [pid 4558] <... symlinkat resumed>) = 0 [pid 4558] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4558] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./835", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4558] <... unlinkat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./835", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4559] <... mount resumed>) = 0 [pid 4559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4558] exit_group(0 [pid 307] <... openat resumed>) = 3 [pid 4558] <... exit_group resumed>) = ? [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4560] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./835/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./835/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4559] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4558] +++ exited with 0 +++ [pid 307] unlink("./835/binderfs" [pid 4559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4560] <... prctl resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... unlink resumed>) = 0 [pid 4559] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4559] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] umount2("./856", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4559] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./856", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4560] setpgid(0, 0 [pid 4559] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./835/config" [pid 309] fstat(3 [pid 308] umount2("./868", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4560] <... setpgid resumed>) = 0 [pid 4559] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] openat(AT_FDCWD, "./868", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4559] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./856/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4559] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./835/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4559] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./856/binderfs" [pid 308] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 4 [pid 309] unlink("./856/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(4 [pid 4560] <... openat resumed>) = 3 [pid 4559] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4560] write(3, "1000", 4 [pid 4559] exit_group(0 [pid 309] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4559] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(4 [pid 4560] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./868/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 309] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./868/binderfs" [pid 307] close(4 [pid 309] newfstatat(AT_FDCWD, "./856/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./868/binderfs" [pid 307] <... close resumed>) = 0 [pid 309] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4560] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 307] rmdir("./835/config" [pid 4560] <... close resumed>) = 0 [pid 4559] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "./856/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4560] symlink("/dev/binderfs", "./binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4560] <... symlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4559, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(4 [pid 308] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./868/config" [pid 307] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 309] close(4 [pid 308] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./835" [pid 309] rmdir("./856/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4560] write(1, "executing program\n", 18) = 18 executing program [pid 308] openat(AT_FDCWD, "./868/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 4560] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 4560] <... mkdirat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] mkdir("./836", 0777 [pid 4560] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(3 [pid 308] fstat(4 [pid 4560] <... mount resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(4 [pid 4560] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4560] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4560] <... mkdirat resumed>) = 0 [pid 309] rmdir("./856" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4560] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(4 [pid 4560] <... symlinkat resumed>) = 0 [pid 4560] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4560] <... unlinkat resumed>) = 0 [pid 4560] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-6-1/strace-static-x86_64: Process 4561 attached ) = 0 [pid 309] mkdir("./857", 0777 [pid 308] close(4 [pid 4561] set_robust_list(0x55556c898760, 24 [pid 4560] exit_group(0) = ? [pid 4561] <... set_robust_list resumed>) = 0 [pid 4560] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4561 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./868/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4561] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4561] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4561] chdir("./836"ci2-android-6-1/strace-static-x86_64: Process 4562 attached ) = 0 [pid 308] close(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4562 [pid 4562] set_robust_list(0x55556c898760, 24 [pid 4561] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 4562] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rmdir("./868" [pid 4561] <... prctl resumed>) = 0 [pid 4562] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 4562] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4561] setpgid(0, 0 [pid 308] mkdir("./869", 0777 [pid 4561] <... setpgid resumed>) = 0 [pid 4561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... mkdir resumed>) = 0 [pid 4562] chdir("./857" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4562] <... chdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4562] <... prctl resumed>) = 0 [pid 4561] <... openat resumed>) = 3 [pid 4561] write(3, "1000", 4 [pid 4562] setpgid(0, 0 [pid 4561] <... write resumed>) = 4 [pid 310] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4563 attached [pid 4562] <... setpgid resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4563 [pid 4561] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4563] set_robust_list(0x55556c898760, 24 [pid 4562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4561] <... close resumed>) = 0 [pid 310] umount2("./878", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4561] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4562] <... openat resumed>) = 3 [pid 4563] <... set_robust_list resumed>) = 0 [pid 4562] write(3, "1000", 4 [pid 4561] <... symlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./878", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4562] <... write resumed>) = 4 [pid 4561] write(1, "executing program\n", 18 [pid 310] <... openat resumed>) = 3 [pid 4563] rt_sigprocmask(SIG_SETMASK, [] [pid 4562] close(3 [pid 4563] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(3 [pid 4562] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4562] symlink("/dev/binderfs", "./binderfs" [pid 4563] chdir("./869" [pid 310] getdents64(3 [pid 4563] <... chdir resumed>) = 0 executing program [pid 4562] <... symlink resumed>) = 0 [pid 4561] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... restart_syscall resumed>) = 0 [pid 4563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4562] write(1, "executing program\n", 18 [pid 310] umount2("./878/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4563] <... prctl resumed>) = 0 [pid 4562] <... write resumed>) = 18 executing program [pid 4561] mkdirat(AT_FDCWD, "./config", 0777 [pid 4563] setpgid(0, 0 [pid 4562] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4563] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./878/binderfs" [pid 306] umount2("./807", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./878/binderfs" [pid 306] openat(AT_FDCWD, "./807", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4561] <... mkdirat resumed>) = 0 [pid 4562] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4562] mount(NULL, "./config", "configfs", 0, NULL [pid 306] fstat(3 [pid 4561] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4563] <... openat resumed>) = 3 [pid 4562] <... mount resumed>) = 0 [pid 4561] <... mount resumed>) = 0 [pid 310] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4563] write(3, "1000", 4 [pid 4562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] getdents64(3 [pid 4563] <... write resumed>) = 4 [pid 4562] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4561] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4563] close(3 [pid 4562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4563] <... close resumed>) = 0 [pid 4562] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4561] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./878/config" [pid 4563] symlink("/dev/binderfs", "./binderfs" [pid 4562] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4561] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] umount2("./807/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4562] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4561] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4562] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4561] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./807/binderfs" [pid 4563] <... symlink resumed>) = 0 [pid 4562] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4561] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4563] write(1, "executing program\n", 18 [pid 4562] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4561] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4563] <... write resumed>) = 18 [pid 4562] <... unlinkat resumed>) = 0 [pid 4561] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 310] openat(AT_FDCWD, "./878/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4563] mkdirat(AT_FDCWD, "./config", 0777 [pid 4562] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4561] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] unlink("./807/binderfs" [pid 4562] <... unlinkat resumed>) = 0 [pid 4561] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... openat resumed>) = 4 [pid 4562] exit_group(0 [pid 4561] exit_group(0 [pid 310] fstat(4 [pid 306] <... unlink resumed>) = 0 [pid 4563] <... mkdirat resumed>) = 0 [pid 4562] <... exit_group resumed>) = ? [pid 4561] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4563] mount(NULL, "./config", "configfs", 0, NULL [pid 4562] +++ exited with 0 +++ [pid 4561] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 306] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4561, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4563] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 306] <... umount2 resumed>) = 0 [pid 4563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 306] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4563] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 4563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./857", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./878/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4563] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./807/config" [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./857", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4563] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4563] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] umount2("./807/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 309] fstat(3 [pid 4563] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./807/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 310] rmdir("./878" [pid 306] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4563] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./857/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 4563] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] mkdir("./879", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4563] <... unlinkat resumed>) = 0 [pid 4563] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./857/binderfs" [pid 306] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./857/binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4 [pid 4563] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4564 attached [pid 4563] <... exit_group resumed>) = ? [pid 309] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 4564] set_robust_list(0x55556c898760, 24 [pid 4563] +++ exited with 0 +++ [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4564 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4564] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./807/config" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4563, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4564] rt_sigprocmask(SIG_SETMASK, [] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 4564] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./857/config" [pid 306] getdents64(3 [pid 4564] chdir("./879" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4564] <... chdir resumed>) = 0 [pid 309] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] close(3 [pid 4564] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4564] setpgid(0, 0 [pid 306] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./857/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4564] <... setpgid resumed>) = 0 [pid 306] rmdir("./807" [pid 309] <... openat resumed>) = 4 [pid 4564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 4564] <... openat resumed>) = 3 [pid 306] mkdir("./808", 0777 [pid 4564] write(3, "1000", 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4564] <... write resumed>) = 4 [pid 4564] close(3) = 0 [pid 309] getdents64(4 [pid 306] <... mkdir resumed>) = 0 [pid 4564] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4564] <... symlink resumed>) = 0 [pid 309] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(4 [pid 4564] write(1, "executing program\n", 18) = 18 executing program [pid 4564] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4565 attached ) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./857/config" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4565 [pid 4564] mount(NULL, "./config", "configfs", 0, NULL [pid 4565] set_robust_list(0x55556c898760, 24 [pid 4564] <... mount resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4565] <... set_robust_list resumed>) = 0 [pid 309] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4565] rt_sigprocmask(SIG_SETMASK, [] [pid 4564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4565] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(3 [pid 4565] chdir("./808" [pid 4564] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 4565] <... chdir resumed>) = 0 [pid 4564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rmdir("./857" [pid 4565] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4564] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4565] <... prctl resumed>) = 0 [pid 4564] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 4565] setpgid(0, 0 [pid 309] mkdir("./858", 0777 [pid 4564] <... mkdirat resumed>) = 0 [pid 4565] <... setpgid resumed>) = 0 [pid 4564] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./836", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./836", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4564] <... symlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 4564] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] fstat(3 [pid 4565] <... openat resumed>) = 3 [pid 4564] <... unlinkat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4566 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4565] write(3, "1000", 4) = 4 [pid 4564] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 4565] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4565] <... close resumed>) = 0 [pid 4564] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4565] symlink("/dev/binderfs", "./binderfs" [pid 4564] exit_group(0 [pid 307] umount2("./836/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4564] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4565] <... symlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./836/binderfs" [pid 4565] write(1, "executing program\n", 18 [pid 4564] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4565] <... write resumed>) = 18 [pid 307] unlink("./836/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4564, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4565] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... unlink resumed>) = 0 [pid 308] umount2("./869", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./869", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = 0 [pid 4565] <... mkdirat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 4565] mount(NULL, "./config", "configfs", 0, NULL [pid 307] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4565] <... mount resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./836/config" [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./869/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./879", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./869/binderfs" [pid 307] openat(AT_FDCWD, "./836/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4565] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4565] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] openat(AT_FDCWD, "./879", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 4 [pid 308] unlink("./869/binderfs" [pid 310] <... openat resumed>) = 3 [pid 307] fstat(4 [pid 310] fstat(3 [pid 308] <... unlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4565] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4565] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] getdents64(4 [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./879/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4565] <... symlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./879/binderfs" [pid 308] newfstatat(AT_FDCWD, "./869/config" [pid 307] close(4 [pid 4565] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 310] unlink("./879/binderfs" [pid 308] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./836/config"ci2-android-6-1/strace-static-x86_64: Process 4566 attached [pid 310] <... unlink resumed>) = 0 [pid 4565] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 4566] set_robust_list(0x55556c898760, 24 [pid 4565] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./869/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4566] <... set_robust_list resumed>) = 0 [pid 4565] <... unlinkat resumed>) = 0 [pid 307] getdents64(3 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4566] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(3 [pid 4566] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4565] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./879/config" [pid 308] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 4566] chdir("./858" [pid 4565] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rmdir("./836" [pid 310] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4566] <... chdir resumed>) = 0 [pid 308] getdents64(4 [pid 4566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4565] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4566] <... prctl resumed>) = 0 [pid 310] openat(AT_FDCWD, "./879/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(4 [pid 307] mkdir("./837", 0777 [pid 4566] setpgid(0, 0 [pid 310] <... openat resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4565, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4566] <... setpgid resumed>) = 0 [pid 4566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] fstat(4 [pid 308] rmdir("./869/config" [pid 307] <... mkdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4566] <... openat resumed>) = 3 [pid 4566] write(3, "1000", 4) = 4 [pid 4566] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(4 [pid 4566] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4566] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(4 [pid 308] close(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 4566] <... symlink resumed>) = 0 executing program [pid 4566] write(1, "executing program\n", 18ci2-android-6-1/strace-static-x86_64: Process 4567 attached ) = 18 [pid 310] close(4 [pid 308] rmdir("./869" [pid 310] <... close resumed>) = 0 [pid 4566] mkdirat(AT_FDCWD, "./config", 0777 [pid 4567] set_robust_list(0x55556c898760, 24 [pid 4566] <... mkdirat resumed>) = 0 [pid 310] rmdir("./879/config" [pid 308] <... rmdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4567 [pid 4567] <... set_robust_list resumed>) = 0 [pid 4566] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rmdir resumed>) = 0 [pid 308] mkdir("./870", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4566] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4567] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4567] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4567] chdir("./837" [pid 4566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4567] <... chdir resumed>) = 0 [pid 310] rmdir("./879" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 4566] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4566] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] mkdir("./880", 0777 [pid 4567] <... prctl resumed>) = 0 [pid 4566] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4567] setpgid(0, 0 [pid 4566] <... symlinkat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4568 [pid 4567] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4566] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4566] <... unlinkat resumed>) = 0 [pid 4566] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4567] <... openat resumed>) = 3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4569 ci2-android-6-1/strace-static-x86_64: Process 4569 attached [pid 4567] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4567] <... write resumed>) = 4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4569] set_robust_list(0x55556c898760, 24 [pid 4567] close(3 [pid 4569] <... set_robust_list resumed>) = 0 [pid 4567] <... close resumed>) = 0 [pid 4569] rt_sigprocmask(SIG_SETMASK, [] [pid 4567] symlink("/dev/binderfs", "./binderfs" [pid 4566] exit_group(0 [pid 4569] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4567] <... symlink resumed>) = 0 [pid 4566] <... exit_group resumed>) = ? [pid 4567] write(1, "executing program\n", 18 [pid 4569] chdir("./880" [pid 4567] <... write resumed>) = 18 [pid 4569] <... chdir resumed>) = 0 executing program [pid 4569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4567] mkdirat(AT_FDCWD, "./config", 0777 [pid 4566] +++ exited with 0 +++ [pid 4569] <... prctl resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4568 attached [pid 4569] setpgid(0, 0 [pid 4568] set_robust_list(0x55556c898760, 24 [pid 4567] <... mkdirat resumed>) = 0 [pid 4569] <... setpgid resumed>) = 0 [pid 4567] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... restart_syscall resumed>) = 0 [pid 4568] <... set_robust_list resumed>) = 0 [pid 4567] <... mount resumed>) = 0 [pid 4569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./808", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] openat(AT_FDCWD, "./808", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4567] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... openat resumed>) = 3 [pid 4569] <... openat resumed>) = 3 [pid 4567] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4569] write(3, "1000", 4 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4569] <... write resumed>) = 4 [pid 4567] <... mkdirat resumed>) = 0 [pid 4569] close(3 [pid 306] getdents64(3 [pid 4569] <... close resumed>) = 0 [pid 4567] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./808/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4567] <... symlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4569] symlink("/dev/binderfs", "./binderfs" [pid 4567] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] newfstatat(AT_FDCWD, "./808/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./808/binderfs" [pid 4567] <... unlinkat resumed>) = 0 [pid 4569] <... symlink resumed>) = 0 [pid 4567] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4567] <... unlinkat resumed>) = 0 [pid 4569] write(1, "executing program\n", 18 [pid 4567] exit_group(0 [pid 306] <... umount2 resumed>) = 0 [pid 4569] <... write resumed>) = 18 [pid 4567] <... exit_group resumed>) = ? executing program [pid 306] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./808/config" [pid 4568] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./858", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] umount2("./808/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./858", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4568] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4567] +++ exited with 0 +++ [pid 4569] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./808/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 306] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4567, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] fstat(4 [pid 309] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4568] chdir("./870" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(4 [pid 4568] <... chdir resumed>) = 0 [pid 309] umount2("./858/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./858/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4568] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] close(4 [pid 4569] <... mkdirat resumed>) = 0 [pid 4568] <... prctl resumed>) = 0 [pid 309] unlink("./858/binderfs" [pid 4569] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... close resumed>) = 0 [pid 4568] setpgid(0, 0 [pid 309] <... unlink resumed>) = 0 [pid 306] rmdir("./808/config" [pid 4569] <... mount resumed>) = 0 [pid 4568] <... setpgid resumed>) = 0 [pid 307] umount2("./837", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 4569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4569] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(3 [pid 4568] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = 0 [pid 307] openat(AT_FDCWD, "./837", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4568] write(3, "1000", 4 [pid 309] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4568] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4569] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] fstat(3 [pid 306] close(3 [pid 4569] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4568] close(3 [pid 309] newfstatat(AT_FDCWD, "./858/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4568] <... close resumed>) = 0 [pid 309] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] rmdir("./808" [pid 4569] <... mkdirat resumed>) = 0 [pid 4568] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4569] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4568] <... symlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./858/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./837/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4569] <... symlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4569] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./809", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./837/binderfs" executing program [pid 4568] write(1, "executing program\n", 18 [pid 4569] <... unlinkat resumed>) = 0 [pid 4568] <... write resumed>) = 18 [pid 309] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4569] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4568] mkdirat(AT_FDCWD, "./config", 0777 [pid 4569] <... unlinkat resumed>) = 0 [pid 4568] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] unlink("./837/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4569] exit_group(0 [pid 4568] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(4 [pid 4569] <... exit_group resumed>) = ? [pid 4568] <... mount resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4568] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(4 [pid 4569] +++ exited with 0 +++ [pid 4568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-6-1/strace-static-x86_64: Process 4570 attached ) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4570] set_robust_list(0x55556c898760, 24 [pid 4568] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4569, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./858/config" [pid 307] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4570 [pid 4570] <... set_robust_list resumed>) = 0 [pid 4568] <... mkdirat resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4568] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4568] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 4570] rt_sigprocmask(SIG_SETMASK, [] [pid 4568] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4570] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4568] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./837/config" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4570] chdir("./809" [pid 4568] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4570] <... chdir resumed>) = 0 [pid 4568] exit_group(0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4568] <... exit_group resumed>) = ? [pid 309] close(3 [pid 4570] <... prctl resumed>) = 0 [pid 4568] +++ exited with 0 +++ [pid 307] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./858" [pid 307] openat(AT_FDCWD, "./837/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4570] setpgid(0, 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 4570] <... setpgid resumed>) = 0 [pid 309] mkdir("./859", 0777 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] close(4) = 0 [pid 307] rmdir("./837/config"ci2-android-6-1/strace-static-x86_64: Process 4571 attached [pid 4570] <... openat resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 4571] set_robust_list(0x55556c898760, 24 [pid 4570] write(3, "1000", 4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4571 [pid 307] getdents64(3 [pid 4571] <... set_robust_list resumed>) = 0 [pid 4570] <... write resumed>) = 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4571] rt_sigprocmask(SIG_SETMASK, [] [pid 4570] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(3 [pid 4571] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4570] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4571] chdir("./859" [pid 4570] symlink("/dev/binderfs", "./binderfs" [pid 307] rmdir("./837" [pid 4571] <... chdir resumed>) = 0 [pid 4570] <... symlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4570] write(1, "executing program\n", 18 executing program [pid 307] mkdir("./838", 0777 [pid 4571] <... prctl resumed>) = 0 [pid 4570] <... write resumed>) = 18 [pid 307] <... mkdir resumed>) = 0 [pid 4571] setpgid(0, 0 [pid 4570] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4571] <... setpgid resumed>) = 0 [pid 4570] <... mkdirat resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4572 [pid 4571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4570] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./880", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4570] <... mount resumed>) = 0 [pid 308] umount2("./870", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4571] <... openat resumed>) = 3 [pid 4570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] openat(AT_FDCWD, "./880", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4571] write(3, "1000", 4 [pid 4570] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./870", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4571] <... write resumed>) = 4 [pid 4570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(3 [pid 4571] close(3 [pid 4570] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 4571] <... close resumed>) = 0 [pid 4570] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4571] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(3 [pid 308] fstat(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4570] <... mkdirat resumed>) = 0 [pid 310] umount2("./880/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4570] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./880/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4571] <... symlink resumed>) = 0 [pid 4570] <... symlinkat resumed>) = 0 [pid 310] unlink("./880/binderfs" [pid 4571] write(1, "executing program\n", 18 [pid 4570] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./870/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4571] <... write resumed>) = 18 [pid 4570] <... unlinkat resumed>) = 0 [pid 310] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4571] mkdirat(AT_FDCWD, "./config", 0777 [pid 4570] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] newfstatat(AT_FDCWD, "./870/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./870/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./880/config" [pid 308] <... unlink resumed>) = 0 [pid 4570] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4570] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 4571] <... mkdirat resumed>) = 0 [pid 4570] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./880/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4571] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 308] newfstatat(AT_FDCWD, "./870/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 308] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 308] openat(AT_FDCWD, "./870/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4571] <... mount resumed>) = 0 [pid 4570] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 4 [pid 310] close(4ci2-android-6-1/strace-static-x86_64: Process 4572 attached ) = 0 [pid 308] fstat(4 [pid 4571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rmdir("./880/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4572] set_robust_list(0x55556c898760, 24 [pid 310] <... rmdir resumed>) = 0 [pid 4572] <... set_robust_list resumed>) = 0 [pid 4571] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 306] umount2("./809", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4572] rt_sigprocmask(SIG_SETMASK, [] [pid 4571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4572] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 306] openat(AT_FDCWD, "./809", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4571] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4572] chdir("./838" [pid 4571] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 308] close(4 [pid 306] <... openat resumed>) = 3 [pid 4572] <... chdir resumed>) = 0 [pid 310] rmdir("./880" [pid 308] <... close resumed>) = 0 [pid 306] fstat(3 [pid 4572] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 308] rmdir("./870/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4572] <... prctl resumed>) = 0 [pid 4572] setpgid(0, 0 [pid 310] mkdir("./881", 0777 [pid 306] getdents64(3 [pid 4572] <... setpgid resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 306] umount2("./809/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4571] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4571] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3 [pid 306] newfstatat(AT_FDCWD, "./809/binderfs" [pid 4572] write(3, "1000", 4) = 4 [pid 4572] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4573 [pid 308] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4572] <... close resumed>) = 0 [pid 4571] <... symlinkat resumed>) = 0 [pid 4572] symlink("/dev/binderfs", "./binderfs" [pid 4571] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./870" [pid 306] unlink("./809/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4572] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4571] <... unlinkat resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4571] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] mkdir("./871", 0777 [pid 306] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 4572] write(1, "executing program\n", 18 [pid 308] <... mkdir resumed>) = 0 [pid 4572] <... write resumed>) = 18 [pid 4571] <... unlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = 0 [pid 4572] mkdirat(AT_FDCWD, "./config", 0777 [pid 4571] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4572] <... mkdirat resumed>) = 0 [pid 4571] <... exit_group resumed>) = ? [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4572] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4574 [pid 306] newfstatat(AT_FDCWD, "./809/config" [pid 4572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./809/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4574 attached [pid 4572] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4571] +++ exited with 0 +++ [pid 306] openat(AT_FDCWD, "./809/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4574] set_robust_list(0x55556c898760, 24) = 0 [pid 4572] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 4 [pid 4574] rt_sigprocmask(SIG_SETMASK, [] [pid 4572] <... mkdirat resumed>) = 0 [pid 4574] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4572] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] fstat(4 [pid 4574] chdir("./871" [pid 4572] <... symlinkat resumed>) = 0 [pid 4574] <... chdir resumed>) = 0 [pid 4572] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4572] <... unlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4573 attached [pid 4574] <... prctl resumed>) = 0 [pid 4572] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] getdents64(4 [pid 4574] setpgid(0, 0 [pid 4573] set_robust_list(0x55556c898760, 24 [pid 4572] <... unlinkat resumed>) = 0 [pid 4574] <... setpgid resumed>) = 0 [pid 4573] <... set_robust_list resumed>) = 0 [pid 4572] exit_group(0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4573] rt_sigprocmask(SIG_SETMASK, [] [pid 4572] <... exit_group resumed>) = ? [pid 4574] <... openat resumed>) = 3 [pid 4573] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4572] +++ exited with 0 +++ [pid 306] getdents64(4 [pid 4574] write(3, "1000", 4 [pid 4573] chdir("./881" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4572, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4574] <... write resumed>) = 4 [pid 4573] <... chdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4574] close(3 [pid 4573] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4574] <... close resumed>) = 0 [pid 4573] <... prctl resumed>) = 0 [pid 306] close(4 [pid 4574] symlink("/dev/binderfs", "./binderfs" [pid 306] <... close resumed>) = 0 [pid 4573] setpgid(0, 0 [pid 306] rmdir("./809/config" [pid 4573] <... setpgid resumed>) = 0 [pid 4574] <... symlink resumed>) = 0 [pid 4573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 4574] write(1, "executing program\n", 18 [pid 306] getdents64(3 [pid 4574] <... write resumed>) = 18 executing program [pid 4574] mkdirat(AT_FDCWD, "./config", 0777 [pid 4573] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4573] write(3, "1000", 4 [pid 306] close(3 [pid 4573] <... write resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 4574] <... mkdirat resumed>) = 0 [pid 4573] close(3 [pid 306] rmdir("./809" [pid 4574] mount(NULL, "./config", "configfs", 0, NULL [pid 4573] <... close resumed>) = 0 [pid 4573] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 4574] <... mount resumed>) = 0 [pid 4573] <... symlink resumed>) = 0 [pid 306] mkdir("./810", 0777 [pid 4573] write(1, "executing program\n", 18) = 18 [pid 4574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... mkdir resumed>) = 0 executing program [pid 4574] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4573] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4574] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4573] <... mkdirat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4574] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4573] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4575 [pid 309] umount2("./859", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4574] <... mkdirat resumed>) = 0 [pid 4573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4574] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] openat(AT_FDCWD, "./859", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4575 attached [pid 4573] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4574] <... symlinkat resumed>) = 0 [pid 4573] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... openat resumed>) = 3 [pid 4574] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4573] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(3 [pid 4574] <... unlinkat resumed>) = 0 [pid 4573] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./838", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4574] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4573] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4573] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] openat(AT_FDCWD, "./838", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4574] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4573] <... unlinkat resumed>) = 0 [pid 309] umount2("./859/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 4574] exit_group(0 [pid 4573] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 4575] set_robust_list(0x55556c898760, 24 [pid 4574] <... exit_group resumed>) = ? [pid 4573] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./859/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4575] <... set_robust_list resumed>) = 0 [pid 4573] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 4575] rt_sigprocmask(SIG_SETMASK, [] [pid 4574] +++ exited with 0 +++ [pid 4573] <... exit_group resumed>) = ? [pid 309] unlink("./859/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4575] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4573] +++ exited with 0 +++ [pid 307] umount2("./838/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4575] chdir("./810" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4573, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./838/binderfs" [pid 4575] <... chdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./838/binderfs" [pid 4575] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 4575] setpgid(0, 0 [pid 309] newfstatat(AT_FDCWD, "./859/config" [pid 307] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4575] <... setpgid resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4575] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4575] write(3, "1000", 4 [pid 309] openat(AT_FDCWD, "./859/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./838/config" [pid 4575] <... write resumed>) = 4 [pid 309] <... openat resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4575] close(3 [pid 309] fstat(4 [pid 307] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4575] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./838/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4575] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 309] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4575] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 4575] write(1, "executing program\n", 18 [pid 309] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 4575] <... write resumed>) = 18 [pid 309] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 4575] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] rmdir("./859/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] rmdir("./838/config" [pid 4575] <... mkdirat resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 4575] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 309] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 307] close(3 [pid 4575] <... mount resumed>) = 0 [pid 309] rmdir("./859" [pid 307] <... close resumed>) = 0 [pid 4575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rmdir("./838" [pid 4575] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] mkdir("./860", 0777 [pid 307] mkdir("./839", 0777 [pid 4575] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4575] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4575] <... mkdirat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4576 attached [pid 4575] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4577 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4576 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4576] set_robust_list(0x55556c898760, 24 [pid 4575] <... symlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./871", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4577 attached [pid 4576] <... set_robust_list resumed>) = 0 [pid 4575] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./881", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4576] rt_sigprocmask(SIG_SETMASK, [] [pid 4575] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./871", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4577] set_robust_list(0x55556c898760, 24 [pid 4576] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4575] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./881", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 4575] <... unlinkat resumed>) = 0 [pid 310] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4576] chdir("./839" [pid 4575] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 4577] <... set_robust_list resumed>) = 0 [pid 4576] <... chdir resumed>) = 0 [pid 4575] <... exit_group resumed>) = ? [pid 310] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4577] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4577] chdir("./860" [pid 4576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4575] +++ exited with 0 +++ [pid 310] umount2("./881/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./871/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4576] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4576] setpgid(0, 0 [pid 310] newfstatat(AT_FDCWD, "./881/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4576] <... setpgid resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4575, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./871/binderfs" [pid 310] unlink("./881/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] unlink("./871/binderfs" [pid 310] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4577] <... chdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4577] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4577] setpgid(0, 0 [pid 308] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 4577] <... setpgid resumed>) = 0 [pid 310] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 4576] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4576] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./881/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4576] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./871/config" [pid 4576] close(3 [pid 310] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4576] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4576] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./881/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4576] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./871/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4577] <... openat resumed>) = 3 [pid 4576] write(1, "executing program\n", 18 executing program [pid 310] fstat(4 [pid 4577] write(3, "1000", 4 [pid 4576] <... write resumed>) = 18 [pid 308] <... openat resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(4 [pid 310] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4577] <... write resumed>) = 4 [pid 4576] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 310] getdents64(4 [pid 4577] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] close(4 [pid 308] getdents64(4 [pid 4577] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./881/config" [pid 308] close(4 [pid 4577] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4576] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 4576] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rmdir("./871/config" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4577] <... symlink resumed>) = 0 [pid 310] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 4576] <... mount resumed>) = 0 executing program [pid 4577] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 4576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4577] <... write resumed>) = 18 [pid 310] rmdir("./881" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4577] mkdirat(AT_FDCWD, "./config", 0777 [pid 4576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4577] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 4577] mount(NULL, "./config", "configfs", 0, NULL [pid 4576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4577] <... mount resumed>) = 0 [pid 310] mkdir("./882", 0777 [pid 308] <... close resumed>) = 0 [pid 4577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4577] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rmdir("./871" [pid 4577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4577] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4576] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4577] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4576] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] mkdir("./872", 0777 [pid 4577] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4576] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4577] <... unlinkat resumed>) = 0 [pid 4577] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... mkdir resumed>) = 0 [pid 4577] <... unlinkat resumed>) = 0 [pid 4576] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4577] exit_group(0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4577] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4578 attached [pid 4577] +++ exited with 0 +++ [pid 4576] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4578] set_robust_list(0x55556c898760, 24 [pid 4576] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4578 [pid 306] umount2("./810", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./810", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4578] <... set_robust_list resumed>) = 0 [pid 4576] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4577, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 3 [pid 4578] rt_sigprocmask(SIG_SETMASK, [] [pid 4576] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./860", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4579 [pid 306] fstat(3 [pid 4578] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4576] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4578] chdir("./882" [pid 4576] <... exit_group resumed>) = ? [pid 309] openat(AT_FDCWD, "./860", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./810/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4576] +++ exited with 0 +++ [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4578] <... chdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] newfstatat(AT_FDCWD, "./810/binderfs" [pid 4578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] fstat(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4578] <... prctl resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] unlink("./810/binderfs" [pid 4578] setpgid(0, 0 [pid 309] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4578] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = 0 [pid 4578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./860/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4578] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4578] write(3, "1000", 4 [pid 309] newfstatat(AT_FDCWD, "./860/binderfs" [pid 306] newfstatat(AT_FDCWD, "./810/config" [pid 4578] <... write resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4578] close(3 [pid 309] unlink("./860/binderfs" [pid 306] umount2("./810/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4578] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./810/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4578] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4578] <... symlink resumed>) = 0 [pid 309] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4578] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program ci2-android-6-1/strace-static-x86_64: Process 4579 attached [pid 4578] <... write resumed>) = 18 [pid 309] newfstatat(AT_FDCWD, "./860/config" [pid 306] getdents64(4 [pid 4579] set_robust_list(0x55556c898760, 24 [pid 4578] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4579] <... set_robust_list resumed>) = 0 [pid 309] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 4579] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./860/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rmdir("./810/config" [pid 4579] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4578] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 4579] chdir("./872" [pid 4578] mount(NULL, "./config", "configfs", 0, NULL [pid 309] fstat(4 [pid 306] getdents64(3 [pid 4579] <... chdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4578] <... mount resumed>) = 0 [pid 309] getdents64(4 [pid 306] close(3 [pid 4579] <... prctl resumed>) = 0 [pid 4578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... close resumed>) = 0 [pid 4579] setpgid(0, 0 [pid 4578] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 306] rmdir("./810" [pid 4579] <... setpgid resumed>) = 0 [pid 4578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4578] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(4 [pid 306] mkdir("./811", 0777 [pid 4579] <... openat resumed>) = 3 [pid 4578] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... close resumed>) = 0 [pid 4579] write(3, "1000", 4 [pid 309] rmdir("./860/config" [pid 306] <... mkdir resumed>) = 0 [pid 4579] <... write resumed>) = 4 [pid 4578] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4579] close(3 [pid 4578] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4579] <... close resumed>) = 0 [pid 4578] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4580 attached [pid 4579] symlink("/dev/binderfs", "./binderfs" [pid 4578] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4580 [pid 4580] set_robust_list(0x55556c898760, 24 [pid 4579] <... symlink resumed>) = 0 [pid 4578] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 executing program [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4580] <... set_robust_list resumed>) = 0 [pid 4579] write(1, "executing program\n", 18 [pid 4578] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rmdir("./860" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4579] <... write resumed>) = 18 [pid 309] <... rmdir resumed>) = 0 [pid 4579] mkdirat(AT_FDCWD, "./config", 0777 [pid 4578] <... unlinkat resumed>) = 0 [pid 309] mkdir("./861", 0777 [pid 4580] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./839", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./839", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4579] <... mkdirat resumed>) = 0 [pid 4578] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 4580] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4579] mount(NULL, "./config", "configfs", 0, NULL [pid 4578] <... exit_group resumed>) = ? [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./839/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4581 [pid 307] newfstatat(AT_FDCWD, "./839/binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4579] <... mount resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] unlink("./839/binderfs" [pid 4580] chdir("./811" [pid 4579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4578] +++ exited with 0 +++ [pid 307] <... unlink resumed>) = 0 [pid 4580] <... chdir resumed>) = 0 [pid 4579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4580] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = 0 [pid 4580] <... prctl resumed>) = 0 [pid 4579] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4580] setpgid(0, 0 [pid 4579] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4580] <... setpgid resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./839/config" [pid 4580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4579] <... mkdirat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4580] <... openat resumed>) = 3 [pid 4579] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4580] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4580] <... write resumed>) = 4 [pid 4579] <... symlinkat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./839/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4580] close(3 [pid 4579] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... openat resumed>) = 4 [pid 4580] <... close resumed>) = 0 [pid 4579] <... unlinkat resumed>) = 0 [pid 307] fstat(4 [pid 4580] symlink("/dev/binderfs", "./binderfs" [pid 4579] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4579] <... unlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 4579] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4580] <... symlink resumed>) = 0 [pid 4579] <... exit_group resumed>) = ? [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./839/config"ci2-android-6-1/strace-static-x86_64: Process 4581 attached [pid 4580] write(1, "executing program\n", 18 [pid 4579] +++ exited with 0 +++ [pid 307] <... rmdir resumed>) = 0 executing program [pid 4581] set_robust_list(0x55556c898760, 24 [pid 4580] <... write resumed>) = 18 [pid 307] getdents64(3 [pid 4581] <... set_robust_list resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4579, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4581] rt_sigprocmask(SIG_SETMASK, [] [pid 4580] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(3 [pid 4581] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 4581] chdir("./861" [pid 307] rmdir("./839" [pid 4581] <... chdir resumed>) = 0 [pid 4580] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4581] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4580] mount(NULL, "./config", "configfs", 0, NULL [pid 307] mkdir("./840", 0777 [pid 4581] <... prctl resumed>) = 0 [pid 4580] <... mount resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4581] setpgid(0, 0 [pid 4580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4581] <... setpgid resumed>) = 0 [pid 4580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4582 attached [pid 4581] <... openat resumed>) = 3 [pid 4580] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4582] set_robust_list(0x55556c898760, 24 [pid 4581] write(3, "1000", 4 [pid 4580] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4582 [pid 4582] <... set_robust_list resumed>) = 0 [pid 4581] <... write resumed>) = 4 [pid 4580] <... mkdirat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4582] rt_sigprocmask(SIG_SETMASK, [] [pid 4581] close(3 [pid 4580] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4582] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4581] <... close resumed>) = 0 [pid 4580] <... symlinkat resumed>) = 0 [pid 4582] chdir("./840" [pid 4581] symlink("/dev/binderfs", "./binderfs" [pid 4580] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4582] <... chdir resumed>) = 0 [pid 4581] <... symlink resumed>) = 0 [pid 4580] <... unlinkat resumed>) = 0 [pid 4582] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4581] write(1, "executing program\n", 18 executing program [pid 4580] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4582] <... prctl resumed>) = 0 [pid 4581] <... write resumed>) = 18 [pid 4580] <... unlinkat resumed>) = 0 [pid 4582] setpgid(0, 0 [pid 4581] mkdirat(AT_FDCWD, "./config", 0777 [pid 4580] exit_group(0 [pid 4582] <... setpgid resumed>) = 0 [pid 4581] <... mkdirat resumed>) = 0 [pid 4580] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 4581] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] umount2("./882", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4581] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./882", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./872", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4581] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4580] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4581] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(3 [pid 308] openat(AT_FDCWD, "./872", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4580, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4582] <... openat resumed>) = 3 [pid 4581] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4582] write(3, "1000", 4 [pid 4581] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 308] fstat(3 [pid 4582] <... write resumed>) = 4 [pid 4582] close(3 [pid 4581] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4582] <... close resumed>) = 0 [pid 310] umount2("./882/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4582] symlink("/dev/binderfs", "./binderfs" [pid 4581] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./882/binderfs" [pid 4581] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4582] <... symlink resumed>) = 0 [pid 310] unlink("./882/binderfs" [pid 4582] write(1, "executing program\n", 18 executing program [pid 308] umount2("./872/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4582] <... write resumed>) = 18 [pid 4581] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4582] mkdirat(AT_FDCWD, "./config", 0777 [pid 4581] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./872/binderfs" [pid 4581] exit_group(0 [pid 310] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4582] <... mkdirat resumed>) = 0 [pid 4581] <... exit_group resumed>) = ? [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4582] mount(NULL, "./config", "configfs", 0, NULL [pid 4581] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./872/binderfs" [pid 310] newfstatat(AT_FDCWD, "./882/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4581, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... unlink resumed>) = 0 [pid 4582] <... mount resumed>) = 0 [pid 310] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4582] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./882/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 4582] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 4582] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] newfstatat(AT_FDCWD, "./872/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 308] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4582] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 4582] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] openat(AT_FDCWD, "./872/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 308] <... openat resumed>) = 4 [pid 4582] <... symlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4582] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] fstat(4 [pid 310] rmdir("./882/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4582] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 4582] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 310] close(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 4582] <... unlinkat resumed>) = 0 [pid 308] close(4 [pid 4582] exit_group(0 [pid 310] rmdir("./882" [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./872/config" [pid 4582] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./883", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 4582] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... restart_syscall resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rmdir("./872" [pid 306] umount2("./811", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./811", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4583 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4583 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4583] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./873", 0777 [pid 306] fstat(3 [pid 4583] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 308] <... mkdir resumed>) = 0 [pid 4583] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4583] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./811/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4583] chdir("./883" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4583] <... chdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./811/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./811/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4584 attached [pid 4583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4584] set_robust_list(0x55556c898760, 24 [pid 4583] <... prctl resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4584 [pid 306] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4584] <... set_robust_list resumed>) = 0 [pid 4583] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 4583] <... setpgid resumed>) = 0 [pid 309] umount2("./861", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4584] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4584] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4583] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./861", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./811/config" [pid 4584] chdir("./873" [pid 4583] write(3, "1000", 4 [pid 309] <... openat resumed>) = 3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4584] <... chdir resumed>) = 0 [pid 4583] <... write resumed>) = 4 [pid 309] fstat(3 [pid 306] umount2("./811/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4583] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4584] <... prctl resumed>) = 0 [pid 4583] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 306] openat(AT_FDCWD, "./811/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4584] setpgid(0, 0 [pid 4583] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 4 [pid 4584] <... setpgid resumed>) = 0 [pid 309] umount2("./861/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 4584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4583] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4584] <... openat resumed>) = 3 [pid 4583] write(1, "executing program\n", 18 [pid 309] newfstatat(AT_FDCWD, "./861/binderfs" executing program [pid 306] getdents64(4 [pid 4584] write(3, "1000", 4 [pid 4583] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4584] <... write resumed>) = 4 [pid 4583] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] unlink("./861/binderfs" [pid 306] getdents64(4 [pid 4584] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 309] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 309] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./811/config" [pid 4584] <... close resumed>) = 0 [pid 4583] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4584] symlink("/dev/binderfs", "./binderfs" [pid 4583] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 4583] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4584] <... symlink resumed>) = 0 [pid 4583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] newfstatat(AT_FDCWD, "./861/config" [pid 306] close(3 [pid 4584] write(1, "executing program\n", 18 [pid 4583] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 executing program [pid 4584] <... write resumed>) = 18 [pid 4583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./811" [pid 4584] mkdirat(AT_FDCWD, "./config", 0777 [pid 4583] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 4583] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./861/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] mkdir("./812", 0777 [pid 4584] <... mkdirat resumed>) = 0 [pid 4583] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] <... mkdir resumed>) = 0 [pid 4584] mount(NULL, "./config", "configfs", 0, NULL [pid 4583] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] fstat(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4584] <... mount resumed>) = 0 [pid 4583] <... symlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4583] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4585 attached [pid 4584] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4583] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./840", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4585] set_robust_list(0x55556c898760, 24 [pid 4584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4583] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4585 [pid 4585] <... set_robust_list resumed>) = 0 [pid 4584] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4583] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./840", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4585] rt_sigprocmask(SIG_SETMASK, [] [pid 4584] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4583] exit_group(0 [pid 309] close(4 [pid 307] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4585] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4583] <... exit_group resumed>) = ? [pid 309] <... close resumed>) = 0 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4583] +++ exited with 0 +++ [pid 307] umount2("./840/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4585] chdir("./812" [pid 4584] <... mkdirat resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./861/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4584] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] newfstatat(AT_FDCWD, "./840/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4585] <... chdir resumed>) = 0 [pid 4584] <... symlinkat resumed>) = 0 [pid 310] umount2("./883", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 307] unlink("./840/binderfs" [pid 4585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4584] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./883", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 307] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4585] <... prctl resumed>) = 0 [pid 4584] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4585] setpgid(0, 0 [pid 4584] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(3 [pid 309] rmdir("./861" [pid 307] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4585] <... setpgid resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./840/config" [pid 4585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4584] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] mkdir("./862", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./883/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4584] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./840/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4585] <... openat resumed>) = 3 [pid 4584] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./883/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... openat resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(4 [pid 310] unlink("./883/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] getdents64(4 [pid 310] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = 0 [pid 307] getdents64(4 [pid 310] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4586 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4584] +++ exited with 0 +++ [pid 4585] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(4ci2-android-6-1/strace-static-x86_64: Process 4586 attached [pid 4585] <... write resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./883/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 4586] set_robust_list(0x55556c898760, 24 [pid 4585] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./840/config" [pid 4586] <... set_robust_list resumed>) = 0 [pid 4585] <... close resumed>) = 0 [pid 310] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rmdir resumed>) = 0 [pid 4586] rt_sigprocmask(SIG_SETMASK, [] [pid 4585] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 4586] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./883/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4586] chdir("./862" [pid 4585] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] close(3 [pid 4586] <... chdir resumed>) = 0 [pid 4585] write(1, "executing program\n", 18 [pid 310] fstat(4 [pid 307] <... close resumed>) = 0 executing program [pid 4586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4585] <... write resumed>) = 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rmdir("./840" [pid 4586] <... prctl resumed>) = 0 [pid 4585] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 4586] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] mkdir("./841", 0777 [pid 4586] <... setpgid resumed>) = 0 [pid 4585] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 307] <... mkdir resumed>) = 0 [pid 4585] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4585] <... mount resumed>) = 0 [pid 310] close(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4587 attached [pid 4586] <... openat resumed>) = 3 [pid 4585] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./883/config" [pid 4586] write(3, "1000", 4 [pid 4585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4587 [pid 4587] set_robust_list(0x55556c898760, 24 [pid 4586] <... write resumed>) = 4 [pid 4585] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4587] <... set_robust_list resumed>) = 0 [pid 4586] close(3 [pid 4585] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4586] <... close resumed>) = 0 [pid 4586] symlink("/dev/binderfs", "./binderfs" [pid 4585] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4585] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" executing program [pid 310] close(3 [pid 4585] <... symlinkat resumed>) = 0 [pid 4586] <... symlink resumed>) = 0 [pid 4585] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 4587] rt_sigprocmask(SIG_SETMASK, [] [pid 4586] write(1, "executing program\n", 18 [pid 4587] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4585] <... unlinkat resumed>) = 0 [pid 310] rmdir("./883" [pid 4586] <... write resumed>) = 18 [pid 4585] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4587] chdir("./841" [pid 310] <... rmdir resumed>) = 0 [pid 4587] <... chdir resumed>) = 0 [pid 4586] mkdirat(AT_FDCWD, "./config", 0777 [pid 4585] <... unlinkat resumed>) = 0 [pid 310] mkdir("./884", 0777 [pid 4587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4585] exit_group(0 [pid 4587] <... prctl resumed>) = 0 [pid 4587] setpgid(0, 0 [pid 4585] <... exit_group resumed>) = ? [pid 310] <... mkdir resumed>) = 0 [pid 4587] <... setpgid resumed>) = 0 [pid 4587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4585] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4587] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4585, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4587] <... write resumed>) = 4 [pid 4586] <... mkdirat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4587] close(3) = 0 [pid 4587] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 4588 attached ) = 0 [pid 4586] mount(NULL, "./config", "configfs", 0, NULL [pid 308] umount2("./873", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4587] write(1, "executing program\n", 18 [pid 4588] set_robust_list(0x55556c898760, 24 [pid 4587] <... write resumed>) = 18 [pid 4586] <... mount resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4588 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4588] <... set_robust_list resumed>) = 0 [pid 4586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./873", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4586] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... openat resumed>) = 3 executing program [pid 4588] rt_sigprocmask(SIG_SETMASK, [] [pid 4587] mkdirat(AT_FDCWD, "./config", 0777 [pid 4586] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(3 [pid 4588] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4586] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4588] chdir("./884" [pid 4587] <... mkdirat resumed>) = 0 [pid 4586] <... mkdirat resumed>) = 0 [pid 308] getdents64(3 [pid 4586] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4587] mount(NULL, "./config", "configfs", 0, NULL [pid 4586] <... symlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4588] <... chdir resumed>) = 0 [pid 4586] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] umount2("./873/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4586] <... unlinkat resumed>) = 0 [pid 4588] <... prctl resumed>) = 0 [pid 4586] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4588] setpgid(0, 0) = 0 [pid 4587] <... mount resumed>) = 0 [pid 4586] <... unlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./873/binderfs" [pid 4587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4586] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4586] <... exit_group resumed>) = ? [pid 308] unlink("./873/binderfs" [pid 4587] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4587] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4586] +++ exited with 0 +++ [pid 4587] <... mkdirat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4588] <... openat resumed>) = 3 [pid 4588] write(3, "1000", 4 [pid 4587] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4586, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4588] <... write resumed>) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4588] close(3 [pid 4587] <... symlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4588] <... close resumed>) = 0 [pid 4587] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4588] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4588] <... symlink resumed>) = 0 [pid 4587] <... unlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./873/config" [pid 4588] write(1, "executing program\n", 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4588] <... write resumed>) = 18 executing program [pid 308] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4588] mkdirat(AT_FDCWD, "./config", 0777 [pid 4587] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4587] <... unlinkat resumed>) = 0 [pid 4588] <... mkdirat resumed>) = 0 [pid 4587] exit_group(0 [pid 308] openat(AT_FDCWD, "./873/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4588] mount(NULL, "./config", "configfs", 0, NULL [pid 4587] <... exit_group resumed>) = ? [pid 4588] <... mount resumed>) = 0 [pid 4587] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 4 [pid 4588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] fstat(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4588] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 4588] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./841", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 4588] <... mkdirat resumed>) = 0 [pid 308] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4588] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./841", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4588] <... symlinkat resumed>) = 0 [pid 308] rmdir("./873/config" [pid 307] <... openat resumed>) = 3 [pid 306] umount2("./812", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4588] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4588] <... unlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./812", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4588] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 4588] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] fstat(3 [pid 4588] exit_group(0 [pid 308] close(3 [pid 307] umount2("./841/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4588] <... exit_group resumed>) = ? [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 308] rmdir("./873" [pid 307] newfstatat(AT_FDCWD, "./841/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./812/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] unlink("./841/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4588] +++ exited with 0 +++ [pid 308] mkdir("./874", 0777 [pid 307] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./812/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] unlink("./812/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 310] umount2("./884", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] newfstatat(AT_FDCWD, "./841/config" [pid 306] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./884", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4589 attached [pid 310] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./812/config" [pid 4589] set_robust_list(0x55556c898760, 24 [pid 310] fstat(3 [pid 309] umount2("./862", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4589 [pid 307] openat(AT_FDCWD, "./841/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4589] <... set_robust_list resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./812/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4589] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 309] openat(AT_FDCWD, "./862", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4589] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./812/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4589] chdir("./874" [pid 310] umount2("./884/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 307] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 4589] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] fstat(4 [pid 4589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] newfstatat(AT_FDCWD, "./884/binderfs" [pid 309] getdents64(3 [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 4589] <... prctl resumed>) = 0 [pid 310] unlink("./884/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4589] setpgid(0, 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./862/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 4589] <... setpgid resumed>) = 0 [pid 310] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./841/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./862/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 4589] <... openat resumed>) = 3 [pid 310] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 4589] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./862/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./812/config" [pid 4589] <... write resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./884/config" [pid 309] <... unlink resumed>) = 0 [pid 307] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 4589] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 4589] <... close resumed>) = 0 [pid 310] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 307] rmdir("./841" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4589] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 executing program [pid 306] close(3 [pid 310] openat(AT_FDCWD, "./884/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./842", 0777 [pid 306] <... close resumed>) = 0 [pid 4589] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./862/config" [pid 4589] write(1, "executing program\n", 18 [pid 310] fstat(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4589] <... write resumed>) = 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4589] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 306] rmdir("./812" [pid 4589] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./862/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 4589] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(4 [pid 309] <... openat resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./813", 0777 [pid 4589] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4590 attached [pid 4589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4590] set_robust_list(0x55556c898760, 24 [pid 4589] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4590 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4590] <... set_robust_list resumed>) = 0 [pid 4589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./884/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4591 attached [pid 4590] rt_sigprocmask(SIG_SETMASK, [] [pid 4589] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4591] set_robust_list(0x55556c898760, 24 [pid 4590] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4589] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4591 [pid 4591] <... set_robust_list resumed>) = 0 [pid 4590] chdir("./842" [pid 4589] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4591] rt_sigprocmask(SIG_SETMASK, [] [pid 4590] <... chdir resumed>) = 0 [pid 4589] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] close(3 [pid 309] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4591] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4589] <... symlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4591] chdir("./813" [pid 4590] <... prctl resumed>) = 0 [pid 4589] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rmdir("./884" [pid 309] rmdir("./862/config" [pid 4590] setpgid(0, 0 [pid 4589] <... unlinkat resumed>) = 0 [pid 4591] <... chdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4591] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4591] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 4590] <... setpgid resumed>) = 0 [pid 4589] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 310] mkdir("./885", 0777 [pid 4591] <... setpgid resumed>) = 0 [pid 4589] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4589] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 309] close(3 [pid 4590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4589] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... close resumed>) = 0 [pid 4591] write(3, "1000", 4) = 4 [pid 4591] close(3) = 0 [pid 4589] +++ exited with 0 +++ [pid 309] rmdir("./862" [pid 4590] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4591] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4590] write(3, "1000", 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4589, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4591] write(1, "executing program\n", 18) = 18 ci2-android-6-1/strace-static-x86_64: Process 4592 attached [pid 4591] mkdirat(AT_FDCWD, "./config", 0777 [pid 4590] <... write resumed>) = 4 [pid 309] mkdir("./863", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4590] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4592 [pid 4592] set_robust_list(0x55556c898760, 24 [pid 4591] <... mkdirat resumed>) = 0 [pid 4590] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 4592] <... set_robust_list resumed>) = 0 [pid 4591] mount(NULL, "./config", "configfs", 0, NULL [pid 4590] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4591] <... mount resumed>) = 0 [pid 4591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4590] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4590] write(1, "executing program\n", 18 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4590] <... write resumed>) = 18 [pid 4591] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4591] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 executing program [pid 4590] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4593 [pid 4591] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4591] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4590] <... mkdirat resumed>) = 0 [pid 4591] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4590] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4591] <... unlinkat resumed>) = 0 [pid 4590] <... mount resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4591] exit_group(0 [pid 4590] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4591] <... exit_group resumed>) = ? [pid 4590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4592] rt_sigprocmask(SIG_SETMASK, [] [pid 4591] +++ exited with 0 +++ [pid 4590] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4590] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4591, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4593 attached [pid 4593] set_robust_list(0x55556c898760, 24 [pid 4590] <... mkdirat resumed>) = 0 [pid 4593] <... set_robust_list resumed>) = 0 [pid 4590] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4593] rt_sigprocmask(SIG_SETMASK, [] [pid 4590] <... symlinkat resumed>) = 0 [pid 4593] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4590] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4593] chdir("./863" [pid 4590] <... unlinkat resumed>) = 0 [pid 4592] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4590] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4593] <... chdir resumed>) = 0 [pid 4593] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4590] <... unlinkat resumed>) = 0 [pid 4593] setpgid(0, 0) = 0 [pid 4593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4590] exit_group(0 [pid 4592] chdir("./885" [pid 4590] <... exit_group resumed>) = ? [pid 4593] <... openat resumed>) = 3 [pid 4593] write(3, "1000", 4) = 4 [pid 4593] close(3) = 0 executing program [pid 4593] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4592] <... chdir resumed>) = 0 [pid 4590] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4593] write(1, "executing program\n", 18) = 18 [pid 4593] mkdirat(AT_FDCWD, "./config", 0777 [pid 4592] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4592] setpgid(0, 0 [pid 307] umount2("./842", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./842", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./842/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./842/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./842/binderfs") = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4592] <... setpgid resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./813", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] newfstatat(AT_FDCWD, "./842/config" [pid 306] openat(AT_FDCWD, "./813", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4592] <... openat resumed>) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 4592] write(3, "1000", 4 [pid 307] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4592] <... write resumed>) = 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./874", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./842/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 4592] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4592] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./874", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(4 [pid 306] umount2("./813/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4593] <... mkdirat resumed>) = 0 [pid 4592] symlink("/dev/binderfs", "./binderfs" [pid 308] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 307] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./813/binderfs" [pid 4593] mount(NULL, "./config", "configfs", 0, NULL [pid 4592] <... symlink resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4592] write(1, "executing program\n", 18 [pid 308] getdents64(3 [pid 307] getdents64(4 [pid 306] unlink("./813/binderfs" [pid 4593] <... mount resumed>) = 0 executing program [pid 4592] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] umount2("./874/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(4 [pid 306] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4592] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./874/binderfs" [pid 307] rmdir("./842/config" [pid 306] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4592] <... mkdirat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4592] mount(NULL, "./config", "configfs", 0, NULL [pid 308] unlink("./874/binderfs" [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./813/config" [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4592] <... mount resumed>) = 0 [pid 308] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 306] umount2("./813/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4593] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4593] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4592] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./842" [pid 306] openat(AT_FDCWD, "./813/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4593] <... mkdirat resumed>) = 0 [pid 4592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./874/config" [pid 307] mkdir("./843", 0777 [pid 306] fstat(4 [pid 4593] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4592] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4592] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(4 [pid 4593] <... symlinkat resumed>) = 0 [pid 4592] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4593] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4592] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] openat(AT_FDCWD, "./874/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4 [pid 4593] <... unlinkat resumed>) = 0 [pid 4592] <... symlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4593] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4592] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] fstat(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4594 [pid 306] close(4 [pid 4592] <... unlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 4593] <... unlinkat resumed>) = 0 [pid 4592] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./813/config" [pid 4593] exit_group(0 [pid 4592] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... rmdir resumed>) = 0 [pid 4593] <... exit_group resumed>) = ? [pid 4592] exit_group(0 [pid 308] getdents64(4 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4592] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./813") = 0 [pid 4593] +++ exited with 0 +++ [pid 306] mkdir("./814", 0777 [pid 308] close(4 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4592] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4594 attached ci2-android-6-1/strace-static-x86_64: Process 4595 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4593, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4595 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4594] set_robust_list(0x55556c898760, 24) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rmdir("./874/config" [pid 4594] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4594] chdir("./843") = 0 [pid 4594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4594] setpgid(0, 0) = 0 [pid 4594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rmdir resumed>) = 0 [pid 4594] write(3, "1000", 4) = 4 [pid 4594] close(3) = 0 [pid 4594] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] getdents64(3 [pid 4595] set_robust_list(0x55556c898760, 24 [pid 4594] write(1, "executing program\n", 18) = 18 executing program [pid 4594] mkdirat(AT_FDCWD, "./config", 0777 [pid 4595] <... set_robust_list resumed>) = 0 [pid 4594] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4594] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] close(3 [pid 4594] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... close resumed>) = 0 [pid 4594] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4595] rt_sigprocmask(SIG_SETMASK, [] [pid 4594] <... symlinkat resumed>) = 0 [pid 308] rmdir("./874" [pid 4594] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4594] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4594] exit_group(0) = ? [pid 4595] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4594] +++ exited with 0 +++ [pid 308] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4594, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] mkdir("./875", 0777 [pid 4595] chdir("./814") = 0 [pid 4595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4595] setpgid(0, 0) = 0 [pid 4595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4595] write(3, "1000", 4) = 4 [pid 4595] close(3) = 0 [pid 4595] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4595] write(1, "executing program\n", 18 [pid 308] <... mkdir resumed>) = 0 [pid 4595] <... write resumed>) = 18 executing program [pid 4595] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4595] <... mkdirat resumed>) = 0 [pid 4595] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4595] <... mount resumed>) = 0 [pid 4595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4595] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4595] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4595] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4595] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4595] exit_group(0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4596 [pid 4595] <... exit_group resumed>) = ? [pid 4595] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4595, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./885", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4596 attached [pid 310] openat(AT_FDCWD, "./885", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4596] set_robust_list(0x55556c898760, 24 [pid 310] <... openat resumed>) = 3 [pid 4596] <... set_robust_list resumed>) = 0 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 4596] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./885/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./885/binderfs" [pid 4596] chdir("./875" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./885/binderfs" [pid 309] umount2("./863", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4596] <... chdir resumed>) = 0 [pid 4596] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4596] setpgid(0, 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./863", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 307] umount2("./843", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./843", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./885/config" [pid 309] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./863/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] openat(AT_FDCWD, "./885/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./843/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./863/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 307] newfstatat(AT_FDCWD, "./843/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] unlink("./863/binderfs" [pid 307] unlink("./843/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 310] close(4 [pid 309] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./814", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./885/config" [pid 309] newfstatat(AT_FDCWD, "./863/config" [pid 307] newfstatat(AT_FDCWD, "./843/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./814", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 310] getdents64(3 [pid 309] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./843/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 306] getdents64(3 [pid 310] close(3 [pid 309] openat(AT_FDCWD, "./863/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./814/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./885" [pid 309] fstat(4 [pid 307] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] newfstatat(AT_FDCWD, "./814/binderfs" [pid 307] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] unlink("./814/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(4 [pid 306] <... unlink resumed>) = 0 [pid 310] mkdir("./886", 0777 [pid 309] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./843/config") = 0 [pid 306] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 306] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4596] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 307] close(3 [pid 306] newfstatat(AT_FDCWD, "./814/config" [pid 4596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4596] <... openat resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(4 [pid 307] rmdir("./843" [pid 306] umount2("./814/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4596] write(3, "1000", 4 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4596] <... write resumed>) = 4 [pid 307] mkdir("./844", 0777 [pid 306] openat(AT_FDCWD, "./814/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4596] close(3 [pid 309] <... close resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4596] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4597 [pid 309] rmdir("./863/config" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] fstat(4 [pid 4596] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4596] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4 [pid 4596] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4596] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4598 executing program [pid 306] getdents64(4 [pid 4596] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4598 attached [pid 4596] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(4 [pid 4596] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rmdir("./863" [pid 306] <... close resumed>) = 0 [pid 4596] <... mount resumed>) = 0 [pid 306] rmdir("./814/config" [pid 4598] set_robust_list(0x55556c898760, 24 [pid 4596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4596] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] mkdir("./864", 0777 [pid 306] getdents64(3 [pid 4598] <... set_robust_list resumed>) = 0 [pid 4596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4596] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] close(3 [pid 4596] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... close resumed>) = 0 [pid 4596] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] rmdir("./814" [pid 4598] rt_sigprocmask(SIG_SETMASK, [] [pid 4596] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 4598] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4596] <... symlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./815", 0777 [pid 4598] chdir("./844" [pid 4596] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 4596] <... unlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4596] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4596] <... unlinkat resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4599 attached [pid 4598] <... chdir resumed>) = 0 [pid 4596] exit_group(0) = ? [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4599 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4600 [pid 4599] set_robust_list(0x55556c898760, 24 [pid 4598] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4596] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4596, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4597 attached [pid 4597] set_robust_list(0x55556c898760, 24) = 0 [pid 4597] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4597] chdir("./886") = 0 [pid 4597] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4597] setpgid(0, 0) = 0 [pid 4597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4599] <... set_robust_list resumed>) = 0 [pid 4598] <... prctl resumed>) = 0 [pid 4597] <... openat resumed>) = 3 [pid 4598] setpgid(0, 0 [pid 4597] write(3, "1000", 4) = 4 [pid 4597] close(3) = 0 [pid 4597] symlink("/dev/binderfs", "./binderfs" [pid 4598] <... setpgid resumed>) = 0 [pid 4599] rt_sigprocmask(SIG_SETMASK, [] [pid 4597] <... symlink resumed>) = 0 [pid 4597] write(1, "executing program\n", 18) = 18 executing program [pid 4597] mkdirat(AT_FDCWD, "./config", 0777 [pid 4599] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4597] <... mkdirat resumed>) = 0 [pid 4597] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4598] <... openat resumed>) = 3 [pid 4597] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4599] chdir("./864" [pid 4598] write(3, "1000", 4 [pid 4597] <... mkdirat resumed>) = 0 [pid 4597] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4598] <... write resumed>) = 4 [pid 4597] <... symlinkat resumed>) = 0 [pid 4599] <... chdir resumed>) = 0 [pid 4597] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4597] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4597] exit_group(0 [pid 4598] close(3ci2-android-6-1/strace-static-x86_64: Process 4600 attached [pid 4597] <... exit_group resumed>) = ? [pid 4600] set_robust_list(0x55556c898760, 24 [pid 4599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4598] <... close resumed>) = 0 [pid 4597] +++ exited with 0 +++ [pid 4600] <... set_robust_list resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4598] symlink("/dev/binderfs", "./binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4600] rt_sigprocmask(SIG_SETMASK, [] [pid 4599] <... prctl resumed>) = 0 [pid 4598] <... symlink resumed>) = 0 [pid 4600] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4599] setpgid(0, 0 [pid 4600] chdir("./815" [pid 4598] write(1, "executing program\n", 18 [pid 4599] <... setpgid resumed>) = 0 [pid 4599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 4598] <... write resumed>) = 18 [pid 4600] <... chdir resumed>) = 0 [pid 4600] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4600] setpgid(0, 0 [pid 4599] <... openat resumed>) = 3 [pid 4598] mkdirat(AT_FDCWD, "./config", 0777 [pid 4600] <... setpgid resumed>) = 0 [pid 4599] write(3, "1000", 4 [pid 4600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4599] <... write resumed>) = 4 [pid 4600] <... openat resumed>) = 3 [pid 4599] close(3 [pid 4600] write(3, "1000", 4 [pid 4599] <... close resumed>) = 0 [pid 4600] <... write resumed>) = 4 [pid 4599] symlink("/dev/binderfs", "./binderfs" [pid 4600] close(3 [pid 4599] <... symlink resumed>) = 0 [pid 4598] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4600] <... close resumed>) = 0 [pid 4599] write(1, "executing program\n", 18 [pid 4598] mount(NULL, "./config", "configfs", 0, NULL [pid 4600] symlink("/dev/binderfs", "./binderfs" [pid 4599] <... write resumed>) = 18 [pid 4600] <... symlink resumed>) = 0 executing program [pid 4599] mkdirat(AT_FDCWD, "./config", 0777 [pid 4598] <... mount resumed>) = 0 [pid 4600] write(1, "executing program\n", 18 [pid 4599] <... mkdirat resumed>) = 0 [pid 4598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./886", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4600] <... write resumed>) = 18 executing program [pid 4599] mount(NULL, "./config", "configfs", 0, NULL [pid 4600] mkdirat(AT_FDCWD, "./config", 0777 [pid 4599] <... mount resumed>) = 0 [pid 4598] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4600] <... mkdirat resumed>) = 0 [pid 4599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./886", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4600] mount(NULL, "./config", "configfs", 0, NULL [pid 4599] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4598] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 4600] <... mount resumed>) = 0 [pid 4599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4598] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(3 [pid 4600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4599] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4599] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 4600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4598] <... mkdirat resumed>) = 0 [pid 310] umount2("./886/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4598] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4599] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./886/binderfs" [pid 4598] <... symlinkat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4598] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./886/binderfs" [pid 4600] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4599] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4600] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4600] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./875", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4598] <... unlinkat resumed>) = 0 [pid 310] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4598] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4600] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4599] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4598] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] openat(AT_FDCWD, "./875", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./886/config" [pid 4598] exit_group(0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 4598] <... exit_group resumed>) = ? [pid 310] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4600] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4599] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./875/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./886/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4600] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4599] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 308] newfstatat(AT_FDCWD, "./875/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 308] unlink("./875/binderfs" [pid 4600] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4599] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4600] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4599] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] getdents64(4 [pid 308] <... unlink resumed>) = 0 [pid 4600] exit_group(0 [pid 4599] exit_group(0 [pid 4598] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4600] <... exit_group resumed>) = ? [pid 4599] <... exit_group resumed>) = ? [pid 310] close(4 [pid 308] <... umount2 resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4600] +++ exited with 0 +++ [pid 4599] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 308] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./886/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4599, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./875/config" [pid 310] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 308] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./886" [pid 308] openat(AT_FDCWD, "./875/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 310] mkdir("./887", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./875/config" [pid 310] <... mkdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3) = 0 [pid 308] rmdir("./875") = 0 [pid 308] mkdir("./876", 0777) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4601 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4602 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4601 attached [pid 4601] set_robust_list(0x55556c898760, 24) = 0 [pid 4601] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4602 attached , NULL, 8) = 0 [pid 4601] chdir("./887") = 0 [pid 4601] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4601] setpgid(0, 0) = 0 [pid 4601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4602] set_robust_list(0x55556c898760, 24) = 0 [pid 4601] <... openat resumed>) = 3 [pid 4601] write(3, "1000", 4) = 4 [pid 4601] close(3) = 0 [pid 4601] symlink("/dev/binderfs", "./binderfs" [pid 4602] rt_sigprocmask(SIG_SETMASK, [] [pid 4601] <... symlink resumed>) = 0 [pid 4601] write(1, "executing program\n", 18) = 18 executing program [pid 4601] mkdirat(AT_FDCWD, "./config", 0777 [pid 4602] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4601] <... mkdirat resumed>) = 0 [pid 4601] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4601] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4601] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4601] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4601] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... restart_syscall resumed>) = 0 [pid 4602] chdir("./876" [pid 307] umount2("./844", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./844", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4602] <... chdir resumed>) = 0 [pid 307] umount2("./844/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./844/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./844/binderfs" [pid 4602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4602] <... prctl resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4602] setpgid(0, 0 [pid 307] newfstatat(AT_FDCWD, "./844/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./844/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4602] <... setpgid resumed>) = 0 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 4602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./844/config" [pid 4602] <... openat resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 4602] write(3, "1000", 4 [pid 307] rmdir("./844" [pid 4602] <... write resumed>) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./845", 0777 [pid 4602] close(3 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4602] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4602] symlink("/dev/binderfs", "./binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4603 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4601] <... unlinkat resumed>) = 0 [pid 4601] exit_group(0) = ? [pid 4602] <... symlink resumed>) = 0 [pid 306] umount2("./815", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./815", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4602] write(1, "executing program\n", 18 [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4602] <... write resumed>) = 18 executing program [pid 309] umount2("./864", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 4602] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] openat(AT_FDCWD, "./864", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./815/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./815/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 306] unlink("./815/binderfs" [pid 4602] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... unlink resumed>) = 0 [pid 4602] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./864/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./864/binderfs" [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./815/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./815/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4602] <... mount resumed>) = 0 [pid 309] unlink("./864/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./815/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4 [pid 309] <... unlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 309] <... umount2 resumed>) = 0 [pid 4602] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 4602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./864/config" [pid 306] rmdir("./815/config" [pid 4602] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 4603 attached [pid 4601] +++ exited with 0 +++ [pid 4602] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4601, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 4602] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./864/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 4602] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./887", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 306] rmdir("./815" [pid 4602] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 306] <... rmdir resumed>) = 0 [pid 4602] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./887", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] mkdir("./816", 0777 [pid 4603] set_robust_list(0x55556c898760, 24 [pid 4602] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4602] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(3 [pid 309] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(4 [pid 4603] <... set_robust_list resumed>) = 0 [pid 4602] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./887/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4604 [pid 4602] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4602] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./887/binderfs" [pid 309] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./864/config" [pid 310] unlink("./887/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4604 attached [pid 4604] set_robust_list(0x55556c898760, 24) = 0 [pid 4604] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 4604] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 310] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 310] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./864" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./887/config" [pid 309] mkdir("./865", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4604] chdir("./816") = 0 [pid 4604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... mkdir resumed>) = 0 [pid 310] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] openat(AT_FDCWD, "./887/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... openat resumed>) = 4 [pid 4604] <... prctl resumed>) = 0 [pid 4604] setpgid(0, 0) = 0 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4605 [pid 310] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 4602] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./887/config" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rmdir resumed>) = 0 [pid 4603] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4605 attached [pid 310] getdents64(3 [pid 4603] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 4603] chdir("./845" [pid 310] <... close resumed>) = 0 [pid 4605] set_robust_list(0x55556c898760, 24 [pid 4603] <... chdir resumed>) = 0 [pid 310] rmdir("./887" [pid 4605] <... set_robust_list resumed>) = 0 [pid 4603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4603] <... prctl resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4603] setpgid(0, 0 [pid 310] mkdir("./888", 0777 [pid 4605] rt_sigprocmask(SIG_SETMASK, [] [pid 4603] <... setpgid resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4605] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4603] <... openat resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4605] chdir("./865" [pid 4603] write(3, "1000", 4 [pid 4604] <... openat resumed>) = 3 [pid 4604] write(3, "1000", 4) = 4 [pid 4604] close(3 [pid 4603] <... write resumed>) = 4 [pid 4605] <... chdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4606 [pid 4603] close(3ci2-android-6-1/strace-static-x86_64: Process 4606 attached [pid 4605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4605] <... prctl resumed>) = 0 [pid 4603] <... close resumed>) = 0 [pid 4606] set_robust_list(0x55556c898760, 24 [pid 4605] setpgid(0, 0 [pid 4603] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4606] <... set_robust_list resumed>) = 0 [pid 4605] <... setpgid resumed>) = 0 [pid 4604] <... close resumed>) = 0 [pid 4604] symlink("/dev/binderfs", "./binderfs" [pid 4605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4604] <... symlink resumed>) = 0 [pid 4603] <... symlink resumed>) = 0 [pid 4606] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4603] write(1, "executing program\n", 18 [pid 4606] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4605] <... openat resumed>) = 3 [pid 4603] <... write resumed>) = 18 [pid 4605] write(3, "1000", 4 [pid 4603] mkdirat(AT_FDCWD, "./config", 0777 [pid 4606] chdir("./888" [pid 4605] <... write resumed>) = 4 [pid 4604] write(1, "executing program\n", 18) = 18 [pid 4604] mkdirat(AT_FDCWD, "./config", 0777 [pid 4606] <... chdir resumed>) = 0 [pid 4605] close(3 [pid 4604] <... mkdirat resumed>) = 0 [pid 4603] <... mkdirat resumed>) = 0 executing program [pid 4606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4605] <... close resumed>) = 0 [pid 4603] mount(NULL, "./config", "configfs", 0, NULL [pid 4606] <... prctl resumed>) = 0 [pid 4605] symlink("/dev/binderfs", "./binderfs" [pid 4604] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4603] <... mount resumed>) = 0 [pid 4604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4606] setpgid(0, 0 [pid 4605] <... symlink resumed>) = 0 [pid 4603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4606] <... setpgid resumed>) = 0 [pid 4605] write(1, "executing program\n", 18 [pid 4603] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4605] <... write resumed>) = 18 executing program [pid 4603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4605] mkdirat(AT_FDCWD, "./config", 0777 [pid 4603] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4604] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... restart_syscall resumed>) = 0 [pid 4605] <... mkdirat resumed>) = 0 [pid 4603] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4606] <... openat resumed>) = 3 [pid 4605] mount(NULL, "./config", "configfs", 0, NULL [pid 308] umount2("./876", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4603] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4605] <... mount resumed>) = 0 [pid 4603] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] openat(AT_FDCWD, "./876", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4606] write(3, "1000", 4 [pid 4605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 4603] <... symlinkat resumed>) = 0 [pid 4606] <... write resumed>) = 4 [pid 4605] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4606] close(3 [pid 4605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4603] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] getdents64(3 [pid 4606] <... close resumed>) = 0 [pid 4605] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4603] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4606] symlink("/dev/binderfs", "./binderfs" [pid 4605] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4603] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./876/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./876/binderfs" [pid 4603] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./876/binderfs" [pid 4605] <... mkdirat resumed>) = 0 [pid 4603] exit_group(0 [pid 308] <... unlink resumed>) = 0 [pid 4606] <... symlink resumed>) = 0 [pid 4605] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4604] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4603] <... exit_group resumed>) = ? [pid 308] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4606] write(1, "executing program\n", 18 [pid 4604] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = 0 [pid 4604] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4606] <... write resumed>) = 18 [pid 4605] <... symlinkat resumed>) = 0 [pid 4604] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4603] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4606] mkdirat(AT_FDCWD, "./config", 0777 [pid 4605] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4604] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] newfstatat(AT_FDCWD, "./876/config" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4603, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4605] <... unlinkat resumed>) = 0 [pid 4604] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4606] <... mkdirat resumed>) = 0 [pid 4605] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4604] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4606] mount(NULL, "./config", "configfs", 0, NULL [pid 4605] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4604] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4606] <... mount resumed>) = 0 [pid 4605] exit_group(0 [pid 4604] exit_group(0 [pid 308] openat(AT_FDCWD, "./876/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4605] <... exit_group resumed>) = ? [pid 4604] <... exit_group resumed>) = ? [pid 308] <... openat resumed>) = 4 [pid 4606] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4605] +++ exited with 0 +++ [pid 4604] +++ exited with 0 +++ [pid 308] fstat(4 [pid 4606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4605, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4606] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4606] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./865", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 4606] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4606] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] openat(AT_FDCWD, "./865", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(4) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4606] <... symlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] rmdir("./876/config" [pid 4606] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] fstat(3 [pid 308] <... rmdir resumed>) = 0 [pid 4606] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] umount2("./845", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4606] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] close(3 [pid 307] openat(AT_FDCWD, "./845", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4606] <... unlinkat resumed>) = 0 [pid 309] umount2("./865/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./876" [pid 307] fstat(3 [pid 4606] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./865/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4606] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] mkdir("./877", 0777 [pid 307] getdents64(3 [pid 4606] +++ exited with 0 +++ [pid 309] unlink("./865/binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... unlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./845/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4606, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./845/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4607 attached [pid 309] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4607] set_robust_list(0x55556c898760, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4607 [pid 307] unlink("./845/binderfs" [pid 4607] <... set_robust_list resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./865/config" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... unlink resumed>) = 0 [pid 4607] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4607] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 4607] chdir("./877" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4607] <... chdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./865/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4607] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... openat resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./845/config" [pid 4607] <... prctl resumed>) = 0 [pid 309] fstat(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4607] setpgid(0, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4607] <... setpgid resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] openat(AT_FDCWD, "./845/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 4607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] fstat(4 [pid 309] close(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4607] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 4607] write(3, "1000", 4 [pid 309] rmdir("./865/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 4607] <... write resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 4607] close(3 [pid 309] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./816", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4607] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./845/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4607] symlink("/dev/binderfs", "./binderfs" [pid 309] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./816", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 4607] <... symlink resumed>) = 0 [pid 309] rmdir("./865" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 4607] write(1, "executing program\n", 18 [pid 309] <... rmdir resumed>) = 0 [pid 307] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4607] <... write resumed>) = 18 [pid 309] mkdir("./866", 0777 [pid 307] <... close resumed>) = 0 executing program [pid 306] getdents64(3 [pid 307] rmdir("./845" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4607] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./816/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] mkdir("./846", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4607] <... mkdirat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./816/binderfs" [pid 4607] mount(NULL, "./config", "configfs", 0, NULL [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] unlink("./816/binderfs" [pid 4607] <... mount resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4609 attached ci2-android-6-1/strace-static-x86_64: Process 4608 attached [pid 4607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4608 [pid 306] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4609] set_robust_list(0x55556c898760, 24 [pid 4608] set_robust_list(0x55556c898760, 24 [pid 4607] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4609 [pid 306] <... umount2 resumed>) = 0 [pid 4609] <... set_robust_list resumed>) = 0 [pid 4608] <... set_robust_list resumed>) = 0 [pid 4607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4607] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4608] rt_sigprocmask(SIG_SETMASK, [] [pid 4609] rt_sigprocmask(SIG_SETMASK, [] [pid 4607] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./816/config" [pid 4609] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4608] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4607] <... mkdirat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4609] chdir("./846" [pid 4608] chdir("./866" [pid 4607] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./816/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4609] <... chdir resumed>) = 0 [pid 4608] <... chdir resumed>) = 0 [pid 4607] <... symlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4608] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4607] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./888", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./816/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4609] <... prctl resumed>) = 0 [pid 4608] <... prctl resumed>) = 0 [pid 4607] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 4609] setpgid(0, 0 [pid 4608] setpgid(0, 0 [pid 4607] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./888", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(4 [pid 310] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4608] <... setpgid resumed>) = 0 [pid 4607] <... unlinkat resumed>) = 0 [pid 310] fstat(3 [pid 306] getdents64(4 [pid 4609] <... setpgid resumed>) = 0 [pid 4608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4607] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4607] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 4607] +++ exited with 0 +++ [pid 306] rmdir("./816/config" [pid 4609] <... openat resumed>) = 3 [pid 4608] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rmdir resumed>) = 0 [pid 4609] write(3, "1000", 4 [pid 4608] write(3, "1000", 4 [pid 310] umount2("./888/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 4609] <... write resumed>) = 4 [pid 4608] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4609] close(3 [pid 4608] close(3 [pid 310] newfstatat(AT_FDCWD, "./888/binderfs" [pid 306] close(3 [pid 4609] <... close resumed>) = 0 [pid 4608] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 4609] symlink("/dev/binderfs", "./binderfs" [pid 4608] symlink("/dev/binderfs", "./binderfs" [pid 310] unlink("./888/binderfs" [pid 306] rmdir("./816" [pid 4608] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4609] <... symlink resumed>) = 0 [pid 4608] write(1, "executing program\n", 18 [pid 310] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 306] mkdir("./817", 0777 [pid 4609] write(1, "executing program\n", 18 [pid 4608] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 310] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4609] <... write resumed>) = 18 [pid 4608] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./888/config" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4610 attached [pid 4609] mkdirat(AT_FDCWD, "./config", 0777 [pid 4608] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4608] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4610 [pid 4608] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4610] set_robust_list(0x55556c898760, 24 [pid 4609] <... mkdirat resumed>) = 0 [pid 4608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] openat(AT_FDCWD, "./888/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4610] <... set_robust_list resumed>) = 0 [pid 4609] mount(NULL, "./config", "configfs", 0, NULL [pid 4608] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 4608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(4 [pid 4610] rt_sigprocmask(SIG_SETMASK, [] [pid 4609] <... mount resumed>) = 0 [pid 4608] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4608] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 4610] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4610] chdir("./817" [pid 4609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4608] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 4610] <... chdir resumed>) = 0 [pid 4609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4608] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4608] <... symlinkat resumed>) = 0 [pid 310] close(4 [pid 4608] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4609] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 4610] <... prctl resumed>) = 0 [pid 4609] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4608] <... unlinkat resumed>) = 0 [pid 310] rmdir("./888/config" [pid 4609] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4608] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4610] setpgid(0, 0 [pid 4608] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4609] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] getdents64(3 [pid 4610] <... setpgid resumed>) = 0 [pid 4609] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4608] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4609] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4608] <... exit_group resumed>) = ? [pid 310] close(3 [pid 4610] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 4610] write(3, "1000", 4) = 4 [pid 4610] close(3 [pid 4608] +++ exited with 0 +++ [pid 4609] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./888" [pid 4610] <... close resumed>) = 0 [pid 4610] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 4609] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] mkdir("./889", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4610] <... symlink resumed>) = 0 [pid 4610] write(1, "executing program\n", 18 [pid 4609] exit_group(0 [pid 310] <... mkdir resumed>) = 0 executing program [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4610] <... write resumed>) = 18 [pid 4609] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4610] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4610] <... mkdirat resumed>) = 0 [pid 4609] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4610] mount(NULL, "./config", "configfs", 0, NULL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4609, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4610] <... mount resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4611 attached [pid 4610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 4611] set_robust_list(0x55556c898760, 24 [pid 4610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4611 [pid 4611] <... set_robust_list resumed>) = 0 [pid 4610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4611] rt_sigprocmask(SIG_SETMASK, [] [pid 4610] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./877", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4611] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4610] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4611] chdir("./889" [pid 4610] <... mkdirat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./877", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4611] <... chdir resumed>) = 0 [pid 4610] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... openat resumed>) = 3 [pid 4611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4610] <... symlinkat resumed>) = 0 [pid 308] fstat(3 [pid 4611] <... prctl resumed>) = 0 [pid 4610] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4611] setpgid(0, 0 [pid 4610] <... unlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 4611] <... setpgid resumed>) = 0 [pid 4610] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4610] <... unlinkat resumed>) = 0 [pid 308] umount2("./877/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4611] <... openat resumed>) = 3 [pid 4610] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4611] write(3, "1000", 4 [pid 4610] <... exit_group resumed>) = ? [pid 308] newfstatat(AT_FDCWD, "./877/binderfs" [pid 4611] <... write resumed>) = 4 [pid 4610] +++ exited with 0 +++ [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4611] close(3 [pid 308] unlink("./877/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4611] <... close resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4611] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4611] <... symlink resumed>) = 0 [pid 308] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4611] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4611] <... write resumed>) = 18 [pid 308] newfstatat(AT_FDCWD, "./877/config" [pid 306] <... restart_syscall resumed>) = 0 [pid 4611] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4611] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./817", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4611] mount(NULL, "./config", "configfs", 0, NULL [pid 308] openat(AT_FDCWD, "./877/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4611] <... mount resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./817", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] fstat(4 [pid 306] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 4611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(3 [pid 4611] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4611] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./817/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4611] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./817/binderfs" [pid 4611] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rmdir("./877/config" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4611] <... symlinkat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] unlink("./817/binderfs" [pid 4611] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 4611] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./846", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4611] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./866", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 4611] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./846", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4611] exit_group(0 [pid 309] openat(AT_FDCWD, "./866", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./877" [pid 307] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4611] <... exit_group resumed>) = ? [pid 309] <... openat resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 307] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./817/config" [pid 309] fstat(3 [pid 308] mkdir("./878", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4611] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] umount2("./817/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4611, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./846/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./817/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./866/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4612 attached [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./846/binderfs" [pid 306] fstat(4 [pid 4612] set_robust_list(0x55556c898760, 24 [pid 309] newfstatat(AT_FDCWD, "./866/binderfs" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4612 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4612] <... set_robust_list resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./846/binderfs" [pid 306] getdents64(4 [pid 4612] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./889", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./866/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4612] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4612] chdir("./878" [pid 310] openat(AT_FDCWD, "./889", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4612] <... chdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = 0 [pid 307] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 4612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] fstat(3 [pid 309] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 4612] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./846/config" [pid 306] rmdir("./817/config" [pid 4612] setpgid(0, 0 [pid 310] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./866/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4612] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 4612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./889/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4612] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./846/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 4612] write(3, "1000", 4 [pid 310] newfstatat(AT_FDCWD, "./889/binderfs" [pid 309] openat(AT_FDCWD, "./866/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 4612] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 306] rmdir("./817" [pid 4612] close(3 [pid 310] unlink("./889/binderfs" [pid 309] fstat(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4612] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 306] mkdir("./818", 0777 [pid 4612] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4612] <... symlink resumed>) = 0 [pid 310] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4612] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 307] close(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4612] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./889/config" [pid 309] close(4 [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4613 attached [pid 4612] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./846/config" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4613 [pid 4613] set_robust_list(0x55556c898760, 24 [pid 4612] <... mkdirat resumed>) = 0 [pid 310] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./866/config" [pid 307] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4613] <... set_robust_list resumed>) = 0 [pid 4612] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4613] rt_sigprocmask(SIG_SETMASK, [] [pid 4612] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./889/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] close(3 [pid 4613] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 4613] chdir("./818" [pid 4612] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(3 [pid 307] rmdir("./846" [pid 4613] <... chdir resumed>) = 0 [pid 4612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4613] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4612] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./866" [pid 307] mkdir("./847", 0777 [pid 4613] <... prctl resumed>) = 0 [pid 4612] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4613] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./867", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4613] <... setpgid resumed>) = 0 [pid 4612] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4614 attached [pid 4613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4612] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4614] set_robust_list(0x55556c898760, 24 [pid 310] rmdir("./889/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4614 [pid 4612] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4614] <... set_robust_list resumed>) = 0 [pid 4613] <... openat resumed>) = 3 [pid 4612] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4612] <... unlinkat resumed>) = 0 [pid 4613] write(3, "1000", 4 [pid 310] close(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4615 [pid 4612] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... close resumed>) = 0 [pid 4612] <... unlinkat resumed>) = 0 [pid 310] rmdir("./889" [pid 4613] <... write resumed>) = 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4612] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 4615 attached ) = ? [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4615] set_robust_list(0x55556c898760, 24) = 0 [pid 4615] rt_sigprocmask(SIG_SETMASK, [] [pid 4614] rt_sigprocmask(SIG_SETMASK, [] [pid 4613] close(3 [pid 4612] +++ exited with 0 +++ [pid 310] mkdir("./890", 0777 [pid 4613] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4615] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4614] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4613] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4615] chdir("./867") = 0 [pid 4613] <... symlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4616 [pid 4614] chdir("./847" [pid 4613] write(1, "executing program\n", 18 [pid 4614] <... chdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4616 attached [pid 4614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4613] <... write resumed>) = 18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4614] <... prctl resumed>) = 0 executing program [pid 4616] set_robust_list(0x55556c898760, 24 [pid 4614] setpgid(0, 0 [pid 4613] mkdirat(AT_FDCWD, "./config", 0777 [pid 4616] <... set_robust_list resumed>) = 0 [pid 4614] <... setpgid resumed>) = 0 [pid 4615] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4613] <... mkdirat resumed>) = 0 [pid 4614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4613] mount(NULL, "./config", "configfs", 0, NULL [pid 4616] rt_sigprocmask(SIG_SETMASK, [] [pid 4613] <... mount resumed>) = 0 [pid 4616] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4614] <... openat resumed>) = 3 [pid 4613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4614] write(3, "1000", 4 [pid 4613] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4616] chdir("./890" [pid 4614] <... write resumed>) = 4 [pid 4613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4616] <... chdir resumed>) = 0 [pid 4614] close(3 [pid 4613] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4614] <... close resumed>) = 0 [pid 4613] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4616] <... prctl resumed>) = 0 [pid 4614] symlink("/dev/binderfs", "./binderfs" [pid 4615] setpgid(0, 0 [pid 4613] <... mkdirat resumed>) = 0 [pid 4615] <... setpgid resumed>) = 0 [pid 4613] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4616] setpgid(0, 0 [pid 4615] <... openat resumed>) = 3 [pid 4614] <... symlink resumed>) = 0 [pid 4613] <... symlinkat resumed>) = 0 [pid 4616] <... setpgid resumed>) = 0 [pid 4614] write(1, "executing program\n", 18 [pid 4613] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4614] <... write resumed>) = 18 executing program [pid 4616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4615] write(3, "1000", 4 [pid 4614] mkdirat(AT_FDCWD, "./config", 0777 [pid 4613] <... unlinkat resumed>) = 0 [pid 4615] <... write resumed>) = 4 [pid 4613] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4615] close(3) = 0 [pid 4613] <... unlinkat resumed>) = 0 [pid 4614] <... mkdirat resumed>) = 0 [pid 4616] <... openat resumed>) = 3 [pid 4615] symlink("/dev/binderfs", "./binderfs" [pid 4614] mount(NULL, "./config", "configfs", 0, NULL [pid 4613] exit_group(0 [pid 4616] write(3, "1000", 4 [pid 4615] <... symlink resumed>) = 0 [pid 4614] <... mount resumed>) = 0 [pid 4613] <... exit_group resumed>) = ? [pid 4616] <... write resumed>) = 4 [pid 4614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 4615] write(1, "executing program\n", 18) = 18 [pid 4615] mkdirat(AT_FDCWD, "./config", 0777 [pid 4616] close(3 [pid 4615] <... mkdirat resumed>) = 0 [pid 4614] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4613] +++ exited with 0 +++ [pid 4616] <... close resumed>) = 0 [pid 4615] mount(NULL, "./config", "configfs", 0, NULL [pid 4614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4613, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4616] symlink("/dev/binderfs", "./binderfs" [pid 4615] <... mount resumed>) = 0 [pid 4614] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4614] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4616] <... symlink resumed>) = 0 [pid 4615] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4615] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4616] write(1, "executing program\n", 18 [pid 4615] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4614] <... mkdirat resumed>) = 0 [pid 4616] <... write resumed>) = 18 executing program [pid 4614] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4615] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4614] <... symlinkat resumed>) = 0 [pid 4616] mkdirat(AT_FDCWD, "./config", 0777 [pid 4614] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4615] <... symlinkat resumed>) = 0 [pid 4614] <... unlinkat resumed>) = 0 [pid 4615] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4614] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4616] <... mkdirat resumed>) = 0 [pid 4616] mount(NULL, "./config", "configfs", 0, NULL [pid 4615] <... unlinkat resumed>) = 0 [pid 4614] <... unlinkat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4616] <... mount resumed>) = 0 [pid 4615] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4614] exit_group(0 [pid 4616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4615] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4614] <... exit_group resumed>) = ? [pid 4615] exit_group(0 [pid 308] umount2("./878", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4615] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4616] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4614] +++ exited with 0 +++ [pid 308] openat(AT_FDCWD, "./878", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... openat resumed>) = 3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4615] +++ exited with 0 +++ [pid 308] fstat(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(3 [pid 4616] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./878/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./878/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./878/binderfs") = 0 [pid 4616] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 308] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4616] <... mkdirat resumed>) = 0 [pid 309] umount2("./867", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./878/config" [pid 4616] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./867", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./878/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 4 [pid 4616] <... symlinkat resumed>) = 0 [pid 309] fstat(3 [pid 308] fstat(4 [pid 4616] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4616] <... unlinkat resumed>) = 0 [pid 309] umount2("./867/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 4616] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./867/binderfs" [pid 308] rmdir("./878/config" [pid 4616] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] unlink("./867/binderfs" [pid 308] getdents64(3 [pid 4616] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 4616] <... exit_group resumed>) = ? [pid 309] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 309] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./878" [pid 309] <... umount2 resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./879", 0777 [pid 4616] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./867/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4616, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4617 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./867/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4617 attached [pid 4617] set_robust_list(0x55556c898760, 24 [pid 309] fstat(4 [pid 4617] <... set_robust_list resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4617] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 4617] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4617] chdir("./879" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4617] <... chdir resumed>) = 0 [pid 309] getdents64(4 [pid 4617] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4617] <... prctl resumed>) = 0 [pid 309] close(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 4617] setpgid(0, 0 [pid 309] <... close resumed>) = 0 [pid 4617] <... setpgid resumed>) = 0 [pid 309] rmdir("./867/config" [pid 4617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] umount2("./818", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4617] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4617] write(3, "1000", 4 [pid 309] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./818", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4617] <... write resumed>) = 4 [pid 309] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 4617] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 4617] <... close resumed>) = 0 [pid 309] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4617] symlink("/dev/binderfs", "./binderfs" [pid 309] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 4617] <... symlink resumed>) = 0 [pid 309] rmdir("./867" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4617] write(1, "executing program\n", 18 [pid 306] umount2("./818/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4617] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4617] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./818/binderfs" [pid 4617] <... mkdirat resumed>) = 0 [pid 309] mkdir("./868", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4617] mount(NULL, "./config", "configfs", 0, NULL [pid 306] unlink("./818/binderfs" [pid 4617] <... mount resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4617] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4617] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4617] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4617] <... mkdirat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./818/config" [pid 4617] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4617] <... symlinkat resumed>) = 0 [pid 306] umount2("./818/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4617] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4618 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4617] <... unlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./818/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4617] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 4 [pid 4617] <... unlinkat resumed>) = 0 [pid 306] fstat(4ci2-android-6-1/strace-static-x86_64: Process 4618 attached [pid 4617] exit_group(0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4617] <... exit_group resumed>) = ? [pid 306] getdents64(4 [pid 4618] set_robust_list(0x55556c898760, 24 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4618] <... set_robust_list resumed>) = 0 [pid 4617] +++ exited with 0 +++ [pid 307] <... restart_syscall resumed>) = 0 [pid 306] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4617, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(4 [pid 307] umount2("./847", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./818/config" [pid 4618] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./847", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(3 [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 4618] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rmdir("./818" [pid 4618] chdir("./868" [pid 307] umount2("./847/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./819", 0777 [pid 4618] <... chdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./847/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] unlink("./847/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4618] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... unlink resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4618] <... prctl resumed>) = 0 [pid 307] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4619 [pid 4618] setpgid(0, 0 [pid 307] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./847/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4618] <... setpgid resumed>) = 0 [pid 307] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./847/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./847/config" [pid 4618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./890", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4619 attached [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./847" [pid 4619] set_robust_list(0x55556c898760, 24 [pid 4618] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 308] umount2("./879", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./848", 0777 [pid 4619] <... set_robust_list resumed>) = 0 [pid 4618] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./890", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./879", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4619] rt_sigprocmask(SIG_SETMASK, [] [pid 4618] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4620 attached [pid 308] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4620 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./879/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./879/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./879/binderfs") = 0 [pid 308] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4619] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4618] close(3 [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = 0 [pid 4620] set_robust_list(0x55556c898760, 24 [pid 308] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./879/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./879/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./879/config" [pid 4618] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 4618] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./879") = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] mkdir("./880", 0777 [pid 4618] <... symlink resumed>) = 0 [pid 310] umount2("./890/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4620] <... set_robust_list resumed>) = 0 [pid 4619] chdir("./819" [pid 4618] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4621 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4621 attached [pid 4621] set_robust_list(0x55556c898760, 24) = 0 [pid 4621] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4621] chdir("./880") = 0 [pid 4621] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4621] setpgid(0, 0) = 0 [pid 4621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4621] write(3, "1000", 4) = 4 [pid 4621] close(3) = 0 [pid 4621] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4619] <... chdir resumed>) = 0 [pid 4618] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./890/binderfs" [pid 4621] write(1, "executing program\n", 18) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program executing program [pid 4618] mkdirat(AT_FDCWD, "./config", 0777 [pid 4619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] unlink("./890/binderfs" [pid 4621] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4619] <... prctl resumed>) = 0 [pid 4621] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... unlink resumed>) = 0 [pid 4619] setpgid(0, 0 [pid 4621] <... mount resumed>) = 0 [pid 4621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4619] <... setpgid resumed>) = 0 [pid 4618] <... mkdirat resumed>) = 0 [pid 310] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4621] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4621] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4621] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4618] mount(NULL, "./config", "configfs", 0, NULL [pid 4621] <... symlinkat resumed>) = 0 [pid 4621] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4621] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4619] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 4621] <... unlinkat resumed>) = 0 [pid 4619] write(3, "1000", 4 [pid 4618] <... mount resumed>) = 0 [pid 310] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4621] exit_group(0 [pid 4619] <... write resumed>) = 4 [pid 4618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4621] <... exit_group resumed>) = ? [pid 4621] +++ exited with 0 +++ [pid 4620] rt_sigprocmask(SIG_SETMASK, [] [pid 4619] close(3 [pid 4618] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./890/config" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4621, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4620] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4620] chdir("./848") = 0 [pid 4619] <... close resumed>) = 0 [pid 4618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4620] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4620] setpgid(0, 0) = 0 [pid 4620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4619] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4620] write(3, "1000", 4 [pid 4618] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4620] <... write resumed>) = 4 [pid 4620] close(3) = 0 [pid 4620] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4619] <... symlink resumed>) = 0 [pid 4618] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4620] write(1, "executing program\n", 18) = 18 [pid 4619] write(1, "executing program\n", 18 [pid 310] openat(AT_FDCWD, "./890/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program executing program [pid 4620] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4619] <... write resumed>) = 18 [pid 4618] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 4620] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4619] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] fstat(4 [pid 4620] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4618] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4620] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4620] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4619] <... mkdirat resumed>) = 0 [pid 4618] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4620] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4619] mount(NULL, "./config", "configfs", 0, NULL [pid 4618] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4620] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 4620] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4618] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4620] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4620] exit_group(0 [pid 4619] <... mount resumed>) = 0 [pid 4618] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 4620] <... exit_group resumed>) = ? [pid 4619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4618] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4620] +++ exited with 0 +++ [pid 4619] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4618] exit_group(0 [pid 310] close(4 [pid 4619] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4618] <... exit_group resumed>) = ? [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4619] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4619] <... mkdirat resumed>) = 0 [pid 4618] +++ exited with 0 +++ [pid 310] rmdir("./890/config" [pid 4619] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4619] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4619] <... unlinkat resumed>) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] close(3 [pid 4619] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./890" [pid 308] <... restart_syscall resumed>) = 0 [pid 4619] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4619] exit_group(0 [pid 310] mkdir("./891", 0777 [pid 4619] <... exit_group resumed>) = ? [pid 308] umount2("./880", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./880", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./880/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./880/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./880/binderfs" [pid 4619] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... unlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./880/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./880/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4622 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./868", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./880/config" [pid 309] openat(AT_FDCWD, "./868", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 309] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 309] fstat(3 [pid 308] rmdir("./880" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./881", 0777 [pid 309] getdents64(3 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./868/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./868/binderfs" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4623 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] unlink("./868/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4622 attached [pid 4622] set_robust_list(0x55556c898760, 24 [pid 309] <... unlink resumed>) = 0 [pid 306] umount2("./819", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4622] <... set_robust_list resumed>) = 0 [pid 309] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4622] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = 0 [pid 306] openat(AT_FDCWD, "./819", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./868/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 309] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4622] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] openat(AT_FDCWD, "./868/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./819/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./819/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4622] chdir("./891") = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 306] unlink("./819/binderfs" [pid 4622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4622] <... prctl resumed>) = 0 [pid 4622] setpgid(0, 0 [pid 306] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 306] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4622] <... setpgid resumed>) = 0 [pid 309] close(4 [pid 306] <... umount2 resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./868/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./819/config" [pid 309] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./819/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4622] write(3, "1000", 4 [pid 309] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./819/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./868" [pid 306] <... openat resumed>) = 4 [pid 4622] <... write resumed>) = 4 [pid 4622] close(3) = 0 [pid 4622] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] fstat(4 executing program [pid 4622] write(1, "executing program\n", 18 [pid 309] mkdir("./869", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4622] <... write resumed>) = 18 [pid 4622] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 307] umount2("./848", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] openat(AT_FDCWD, "./848", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4623 attached [pid 4622] <... mkdirat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(4 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4622] mount(NULL, "./config", "configfs", 0, NULL [pid 307] umount2("./848/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4622] <... mount resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] newfstatat(AT_FDCWD, "./848/binderfs" [pid 306] <... close resumed>) = 0 [pid 4622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4624 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./819/config" [pid 4622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./848/binderfs" [pid 4622] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... unlink resumed>) = 0 [pid 4622] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4622] <... mkdirat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4623] set_robust_list(0x55556c898760, 24 [pid 4622] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 4622] <... symlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4622] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] newfstatat(AT_FDCWD, "./848/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4622] <... unlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4622] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 4623] <... set_robust_list resumed>) = 0 [pid 4622] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4622] exit_group(0 [pid 307] openat(AT_FDCWD, "./848/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 4623] rt_sigprocmask(SIG_SETMASK, [] [pid 4622] <... exit_group resumed>) = ? [pid 307] <... openat resumed>) = 4 [pid 306] rmdir("./819" [pid 4623] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4622] +++ exited with 0 +++ [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4622, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(4 [pid 306] mkdir("./820", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./848/config") = 0 [pid 307] getdents64(3 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./848" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4623] chdir("./881" [pid 310] umount2("./891", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./849", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4623] <... chdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./891", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4624 attached [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4624] set_robust_list(0x55556c898760, 24 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4624] <... set_robust_list resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4626 attached [pid 4624] rt_sigprocmask(SIG_SETMASK, [] [pid 4623] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... openat resumed>) = 3 [pid 4624] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4626 [pid 4624] chdir("./869" [pid 310] fstat(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4625 [pid 4624] <... chdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4624] setpgid(0, 0) = 0 [pid 4624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./891/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4624] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4624] write(3, "1000", 4) = 4 [pid 310] newfstatat(AT_FDCWD, "./891/binderfs" [pid 4623] <... prctl resumed>) = 0 [pid 4624] close(3 [pid 4623] setpgid(0, 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4624] <... close resumed>) = 0 [pid 4623] <... setpgid resumed>) = 0 [pid 310] unlink("./891/binderfs" [pid 4624] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... unlink resumed>) = 0 [pid 4623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4624] write(1, "executing program\n", 18) = 18 [pid 310] <... umount2 resumed>) = 0 executing program [pid 4624] mkdirat(AT_FDCWD, "./config", 0777 [pid 4623] <... openat resumed>) = 3 [pid 310] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4624] <... mkdirat resumed>) = 0 [pid 4626] set_robust_list(0x55556c898760, 24 [pid 4623] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4624] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4623] <... write resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./891/config" [pid 4624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4623] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4624] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4623] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4624] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4623] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./891/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4624] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... openat resumed>) = 4 [pid 4624] <... mkdirat resumed>) = 0 [pid 4623] <... symlink resumed>) = 0 [pid 310] fstat(4 [pid 4624] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4623] write(1, "executing program\n", 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4624] <... symlinkat resumed>) = 0 [pid 4623] <... write resumed>) = 18 [pid 310] getdents64(4 [pid 4624] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4624] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4623] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4625 attached [pid 4624] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4625] set_robust_list(0x55556c898760, 24 [pid 4624] exit_group(0 [pid 310] close(4 [pid 4623] <... mkdirat resumed>) = 0 [pid 4625] <... set_robust_list resumed>) = 0 [pid 4624] <... exit_group resumed>) = ? [pid 4623] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 4626] <... set_robust_list resumed>) = 0 [pid 4624] +++ exited with 0 +++ [pid 4625] rt_sigprocmask(SIG_SETMASK, [] [pid 4623] <... mount resumed>) = 0 [pid 310] rmdir("./891/config" [pid 4625] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4625] chdir("./820") = 0 [pid 4625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4625] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 4623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 4625] <... setpgid resumed>) = 0 [pid 4623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 4625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4623] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./891" [pid 4625] <... openat resumed>) = 3 [pid 4625] write(3, "1000", 4) = 4 [pid 4625] close(3) = 0 [pid 4625] symlink("/dev/binderfs", "./binderfs" [pid 4623] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] mkdir("./892", 0777 [pid 4625] <... symlink resumed>) = 0 [pid 4625] write(1, "executing program\n", 18) = 18 [pid 310] <... mkdir resumed>) = 0 [pid 4625] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] umount2("./869", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4625] <... mkdirat resumed>) = 0 executing program [pid 4625] mount(NULL, "./config", "configfs", 0, NULL [pid 4626] rt_sigprocmask(SIG_SETMASK, [] [pid 4625] <... mount resumed>) = 0 [pid 4623] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./869", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4627 [pid 4623] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... openat resumed>) = 3 [pid 4625] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4623] <... symlinkat resumed>) = 0 [pid 4623] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(3 [pid 4625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4623] <... unlinkat resumed>) = 0 [pid 309] umount2("./869/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4625] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4623] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4625] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./869/binderfs" [pid 4625] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4623] <... unlinkat resumed>) = 0 [pid 309] unlink("./869/binderfs" [pid 4625] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4625] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... unlink resumed>) = 0 [pid 4623] exit_group(0 [pid 309] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4625] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4623] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = 0 [pid 4625] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4625] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4625] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./869/config" [pid 4625] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4625] +++ exited with 0 +++ [pid 4623] +++ exited with 0 +++ [pid 4626] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4623, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4625, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "./869/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4627 attached [pid 309] <... openat resumed>) = 4 [pid 4627] set_robust_list(0x55556c898760, 24 [pid 309] fstat(4 [pid 4626] chdir("./849" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4627] <... set_robust_list resumed>) = 0 [pid 309] getdents64(4 [pid 4626] <... chdir resumed>) = 0 [pid 4627] rt_sigprocmask(SIG_SETMASK, [] [pid 4626] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4627] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 4626] <... prctl resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4627] chdir("./892" [pid 4626] setpgid(0, 0 [pid 309] close(4 [pid 4627] <... chdir resumed>) = 0 [pid 4627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4626] <... setpgid resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4627] <... prctl resumed>) = 0 [pid 309] rmdir("./869/config" [pid 4627] setpgid(0, 0 [pid 4626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4627] <... setpgid resumed>) = 0 [pid 308] umount2("./881", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 4627] <... openat resumed>) = 3 [pid 4626] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 308] openat(AT_FDCWD, "./881", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4627] write(3, "1000", 4 [pid 4626] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 3 [pid 4627] <... write resumed>) = 4 [pid 308] fstat(3 [pid 4627] close(3 [pid 309] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4626] <... write resumed>) = 4 [pid 4627] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 4627] symlink("/dev/binderfs", "./binderfs" [pid 4626] close(3 [pid 309] rmdir("./869" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./820", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4627] <... symlink resumed>) = 0 [pid 308] umount2("./881/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4627] write(1, "executing program\n", 18 [pid 4626] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4627] <... write resumed>) = 18 executing program [pid 4626] symlink("/dev/binderfs", "./binderfs" [pid 309] mkdir("./870", 0777 [pid 308] newfstatat(AT_FDCWD, "./881/binderfs" [pid 4627] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./820", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4627] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] unlink("./881/binderfs" [pid 4627] mount(NULL, "./config", "configfs", 0, NULL [pid 4626] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... unlink resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4627] <... mount resumed>) = 0 [pid 4626] write(1, "executing program\n", 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 308] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4626] <... write resumed>) = 18 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = 0 [pid 306] fstat(3 [pid 4627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4627] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] newfstatat(AT_FDCWD, "./881/config" [pid 4627] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4627] <... mkdirat resumed>) = 0 [pid 4626] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4627] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4628 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4627] <... symlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./881/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 4627] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4626] <... mkdirat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 4 [pid 4627] <... unlinkat resumed>) = 0 [pid 4626] mount(NULL, "./config", "configfs", 0, NULL [pid 308] fstat(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4627] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4627] <... unlinkat resumed>) = 0 [pid 4626] <... mount resumed>) = 0 [pid 308] getdents64(4 [pid 306] umount2("./820/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4627] exit_group(0 [pid 4626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4627] <... exit_group resumed>) = ? [pid 4626] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4627] +++ exited with 0 +++ [pid 4626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./820/binderfs" [pid 308] close(4 [pid 4626] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4627, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4626] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rmdir("./881/config" [pid 4626] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] unlink("./820/binderfs" [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./881" [pid 4626] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] mkdir("./882", 0777 [pid 4626] <... symlinkat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4626] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4628 attached [pid 306] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4626] <... unlinkat resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4628] set_robust_list(0x55556c898760, 24) = 0 [pid 4628] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4628] chdir("./870") = 0 [pid 4628] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4626] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] newfstatat(AT_FDCWD, "./820/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4629 [pid 4628] setpgid(0, 0) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./892", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./820/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./892", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4626] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./820/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 4628] <... openat resumed>) = 3 [pid 4626] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 [pid 4628] write(3, "1000", 4 [pid 310] getdents64(3 [pid 306] fstat(4 [pid 4626] <... exit_group resumed>) = ? [pid 4628] <... write resumed>) = 4 [pid 4628] close(3) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./892/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4628] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./892/binderfs" [pid 306] getdents64(4 [pid 4628] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./892/binderfs" [pid 306] close(4 [pid 4628] <... write resumed>) = 18 [pid 4628] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./820/config" [pid 4628] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4626] +++ exited with 0 +++ executing program [pid 4628] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 4628] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4626, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./892/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3 [pid 4628] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 310] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./820" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4628] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4628] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./892/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4628] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] mkdir("./821", 0777ci2-android-6-1/strace-static-x86_64: Process 4629 attached [pid 4628] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] umount2("./849", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 4629] set_robust_list(0x55556c898760, 24 [pid 4628] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4629] <... set_robust_list resumed>) = 0 [pid 4628] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./849", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4629] rt_sigprocmask(SIG_SETMASK, [] [pid 4628] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 307] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./849/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./849/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./849/binderfs" [pid 4629] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4628] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 307] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4630 [pid 4629] chdir("./882" [pid 4628] exit_group(0 [pid 310] close(4 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4629] <... chdir resumed>) = 0 [pid 4628] <... exit_group resumed>) = ? [pid 310] rmdir("./892/config" [pid 307] newfstatat(AT_FDCWD, "./849/config" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./849/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 307] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] fstat(4 [pid 310] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 310] rmdir("./892" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 4628] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 307] rmdir("./849/config" [pid 4629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] mkdir("./893", 0777ci2-android-6-1/strace-static-x86_64: Process 4630 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rmdir resumed>) = 0 [pid 4630] set_robust_list(0x55556c898760, 24 [pid 310] <... mkdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(3 [pid 4629] <... prctl resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... restart_syscall resumed>) = 0 [pid 4629] setpgid(0, 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4630] <... set_robust_list resumed>) = 0 [pid 307] close(3 [pid 4630] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4630] chdir("./821") = 0 [pid 4630] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] umount2("./870", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4631 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./849" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./870", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4630] <... prctl resumed>) = 0 [pid 4630] setpgid(0, 0) = 0 [pid 4630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] mkdir("./850", 0777 [pid 309] fstat(3 [pid 4630] <... openat resumed>) = 3 [pid 4630] write(3, "1000", 4) = 4 [pid 4630] close(3) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4630] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4630] <... symlink resumed>) = 0 [pid 309] umount2("./870/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4630] write(1, "executing program\n", 18) = 18 executing program [pid 4630] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4632 attached ) = 0 [pid 4629] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4632 [pid 4630] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] newfstatat(AT_FDCWD, "./870/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] unlink("./870/binderfs" [pid 4630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 4630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4630] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4629] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = 0 [pid 4630] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4629] write(3, "1000", 4 [pid 309] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4629] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4629] close(3 [pid 309] newfstatat(AT_FDCWD, "./870/config" [pid 4630] <... mkdirat resumed>) = 0 [pid 4629] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4630] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4629] symlink("/dev/binderfs", "./binderfs" [pid 4630] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4630] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] openat(AT_FDCWD, "./870/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4629] <... symlink resumed>) = 0 [pid 4630] <... unlinkat resumed>) = 0 [pid 4629] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 4 [pid 4630] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(4 [pid 4629] <... write resumed>) = 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4630] <... unlinkat resumed>) = 0 [pid 4629] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(4 [pid 4630] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 ci2-android-6-1/strace-static-x86_64: Process 4631 attached [pid 4630] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 4632] set_robust_list(0x55556c898760, 24 [pid 4631] set_robust_list(0x55556c898760, 24 [pid 4630] +++ exited with 0 +++ [pid 4629] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4631] <... set_robust_list resumed>) = 0 [pid 309] close(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4630, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4629] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./870/config" [pid 4631] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4631] chdir("./893" [pid 309] <... rmdir resumed>) = 0 [pid 4629] <... mount resumed>) = 0 [pid 309] getdents64(3 [pid 4631] <... chdir resumed>) = 0 [pid 4629] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(3 [pid 4629] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4631] <... prctl resumed>) = 0 [pid 4629] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... close resumed>) = 0 [pid 4631] setpgid(0, 0 [pid 309] rmdir("./870" [pid 4629] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4631] <... setpgid resumed>) = 0 [pid 4631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4629] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 4631] write(3, "1000", 4 [pid 309] mkdir("./871", 0777 [pid 4631] <... write resumed>) = 4 [pid 4631] close(3) = 0 [pid 4631] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4631] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4629] <... mkdirat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4631] <... write resumed>) = 18 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4629] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4631] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4631] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4633 [pid 4629] <... symlinkat resumed>) = 0 [pid 4631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4629] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4631] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4629] <... unlinkat resumed>) = 0 [pid 4631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4631] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4631] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4629] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4631] <... symlinkat resumed>) = 0 [pid 4629] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4631] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4631] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4629] exit_group(0 [pid 4632] <... set_robust_list resumed>) = 0 [pid 4631] exit_group(0 [pid 4629] <... exit_group resumed>) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 4631] <... exit_group resumed>) = ? [pid 4631] +++ exited with 0 +++ [pid 306] umount2("./821", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4629] +++ exited with 0 +++ [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] openat(AT_FDCWD, "./821", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4633 attached [pid 4633] set_robust_list(0x55556c898760, 24 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4629, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] fstat(3 [pid 4633] <... set_robust_list resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4633] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 4633] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4633] chdir("./871" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4633] <... chdir resumed>) = 0 [pid 306] umount2("./821/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4633] <... prctl resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./821/binderfs" [pid 4633] setpgid(0, 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4633] <... setpgid resumed>) = 0 [pid 306] unlink("./821/binderfs" [pid 4633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... unlink resumed>) = 0 [pid 4632] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4633] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = 0 [pid 4632] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4633] <... write resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4632] chdir("./850" [pid 306] newfstatat(AT_FDCWD, "./821/config" [pid 4633] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4632] <... chdir resumed>) = 0 [pid 4633] <... close resumed>) = 0 [pid 4632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./821/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4633] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4632] <... prctl resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4633] write(1, "executing program\n", 18 [pid 4632] setpgid(0, 0 [pid 306] openat(AT_FDCWD, "./821/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4633] <... write resumed>) = 18 [pid 4633] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4632] <... setpgid resumed>) = 0 executing program [pid 306] fstat(4 [pid 4633] <... mkdirat resumed>) = 0 [pid 4632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./893", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4633] mount(NULL, "./config", "configfs", 0, NULL [pid 306] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4633] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./893", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 310] fstat(3 [pid 4632] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4632] write(3, "1000", 4 [pid 306] close(4 [pid 310] getdents64(3 [pid 4633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rmdir("./821/config" [pid 4632] <... write resumed>) = 4 [pid 310] umount2("./893/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4633] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 4633] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4632] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./893/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4632] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(3 [pid 4632] symlink("/dev/binderfs", "./binderfs" [pid 310] unlink("./893/binderfs" [pid 306] <... close resumed>) = 0 [pid 4633] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] rmdir("./821" [pid 310] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4633] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4633] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rmdir resumed>) = 0 [pid 4633] <... unlinkat resumed>) = 0 [pid 4632] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4632] write(1, "executing program\n", 18 [pid 310] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./822", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4633] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./893/config" [pid 4633] <... unlinkat resumed>) = 0 [pid 4633] exit_group(0) = ? executing program [pid 4633] +++ exited with 0 +++ [pid 4632] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./882", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 310] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4633, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4632] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] openat(AT_FDCWD, "./893/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] openat(AT_FDCWD, "./882", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 308] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 4632] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4634 ci2-android-6-1/strace-static-x86_64: Process 4634 attached [pid 4632] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4634] set_robust_list(0x55556c898760, 24 [pid 310] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./882/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 4634] <... set_robust_list resumed>) = 0 [pid 4632] <... mount resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 4632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] newfstatat(AT_FDCWD, "./882/binderfs" [pid 310] rmdir("./893/config" [pid 4634] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4634] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 308] unlink("./882/binderfs" [pid 4632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(3 [pid 4634] chdir("./822" [pid 308] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4634] <... chdir resumed>) = 0 [pid 4632] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 308] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4632] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4634] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] rmdir("./893" [pid 308] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4634] setpgid(0, 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] mkdir("./894", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./882/config" [pid 4632] <... mkdirat resumed>) = 0 [pid 4634] <... openat resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 4632] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4634] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4632] <... symlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./871", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4632] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4634] <... write resumed>) = 4 [pid 4634] close(3) = 0 [pid 4634] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./882/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4635 attached [pid 4632] <... unlinkat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4635 [pid 309] openat(AT_FDCWD, "./871", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 4 [pid 4635] set_robust_list(0x55556c898760, 24 [pid 4634] <... symlink resumed>) = 0 [pid 4632] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 308] fstat(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 309] getdents64(3 [pid 4634] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(4 [pid 4632] <... unlinkat resumed>) = 0 [pid 309] umount2("./871/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4634] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4632] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./871/binderfs" [pid 308] close(4 [pid 4632] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 309] unlink("./871/binderfs" [pid 308] rmdir("./882/config" [pid 4634] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... unlink resumed>) = 0 [pid 4634] <... mkdirat resumed>) = 0 [pid 309] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 4634] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = 0 [pid 308] getdents64(3 [pid 309] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 309] newfstatat(AT_FDCWD, "./871/config" [pid 4634] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 309] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./882" [pid 4634] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4634] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4634] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./871/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 4634] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... openat resumed>) = 4 [pid 4632] +++ exited with 0 +++ [pid 309] fstat(4 [pid 308] mkdir("./883", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4634] <... mkdirat resumed>) = 0 [pid 4634] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... mkdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4632, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4634] <... symlinkat resumed>) = 0 [pid 4634] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4634] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] close(4 [pid 4634] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4636 [pid 4635] <... set_robust_list resumed>) = 0 [pid 309] rmdir("./871/config" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4634] <... exit_group resumed>) = ? [pid 4635] rt_sigprocmask(SIG_SETMASK, [] [pid 4634] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4635] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4636 attached [pid 4636] set_robust_list(0x55556c898760, 24 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4634, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(3 [pid 307] umount2("./850", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./871" [pid 4635] chdir("./894" [pid 307] openat(AT_FDCWD, "./850", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4636] <... set_robust_list resumed>) = 0 [pid 4636] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4636] chdir("./883" [pid 4635] <... chdir resumed>) = 0 [pid 309] mkdir("./872", 0777 [pid 307] <... openat resumed>) = 3 [pid 4636] <... chdir resumed>) = 0 [pid 4636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4636] setpgid(0, 0) = 0 [pid 4636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4635] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... mkdir resumed>) = 0 [pid 307] fstat(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4635] <... prctl resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4635] setpgid(0, 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4635] <... setpgid resumed>) = 0 [pid 307] getdents64(3 [pid 4636] <... openat resumed>) = 3 [pid 4636] write(3, "1000", 4) = 4 [pid 4636] close(3) = 0 [pid 4636] symlink("/dev/binderfs", "./binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4637 [pid 307] umount2("./850/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] newfstatat(AT_FDCWD, "./850/binderfs" [pid 4636] <... symlink resumed>) = 0 [pid 4635] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4636] write(1, "executing program\n", 18 [pid 4635] write(3, "1000", 4 [pid 307] unlink("./850/binderfs" [pid 4636] <... write resumed>) = 18 executing program [pid 4636] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4635] <... write resumed>) = 4 [pid 307] <... unlink resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4635] close(3 [pid 307] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4636] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4635] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4635] symlink("/dev/binderfs", "./binderfs" [pid 306] umount2("./822", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./850/config" [pid 306] openat(AT_FDCWD, "./822", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... openat resumed>) = 3 [pid 307] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 4636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./850/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4635] <... symlink resumed>) = 0 [pid 306] getdents64(3 [pid 4635] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4635] <... write resumed>) = 18 executing program [pid 307] fstat(4 [pid 306] umount2("./822/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4635] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./822/binderfs" [pid 4636] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 306] unlink("./822/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4636] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] close(4 [pid 306] <... unlink resumed>) = 0 [pid 4635] <... mkdirat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4635] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rmdir("./850/config" [pid 306] <... umount2 resumed>) = 0 [pid 4636] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4636] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 4635] <... mount resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./822/config" [pid 4635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./822/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./850" [pid 4636] <... unlinkat resumed>) = 0 [pid 4635] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4636] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./822/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./851", 0777 [pid 4636] exit_group(0 [pid 306] <... openat resumed>) = 4 [pid 4636] <... exit_group resumed>) = ? [pid 4636] +++ exited with 0 +++ [pid 4635] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 306] fstat(4 [pid 4635] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4636, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 ci2-android-6-1/strace-static-x86_64: Process 4637 attached [pid 4637] set_robust_list(0x55556c898760, 24) = 0 [pid 4637] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4637] chdir("./872") = 0 [pid 306] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4638 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4637] <... prctl resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4635] <... mkdirat resumed>) = 0 [pid 306] rmdir("./822/config" [pid 4637] setpgid(0, 0) = 0 [pid 4637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4635] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... rmdir resumed>) = 0 [pid 4637] write(3, "1000", 4 [pid 306] getdents64(3 [pid 4637] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4635] <... symlinkat resumed>) = 0 [pid 4637] close(3) = 0 [pid 4635] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] close(3 [pid 4637] symlink("/dev/binderfs", "./binderfs" [pid 306] <... close resumed>) = 0 [pid 4637] <... symlink resumed>) = 0 [pid 4635] <... unlinkat resumed>) = 0 [pid 306] rmdir("./822"ci2-android-6-1/strace-static-x86_64: Process 4638 attached [pid 4638] set_robust_list(0x55556c898760, 24) = 0 [pid 4638] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4638] chdir("./851" [pid 4635] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... rmdir resumed>) = 0 [pid 4638] <... chdir resumed>) = 0 [pid 306] mkdir("./823", 0777 [pid 4638] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4638] setpgid(0, 0) = 0 [pid 4638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4635] <... unlinkat resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4638] write(3, "1000", 4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4637] write(1, "executing program\n", 18 [pid 4635] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4638] <... write resumed>) = 4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4637] <... write resumed>) = 18 [pid 4635] <... exit_group resumed>) = ? [pid 4638] close(3) = 0 [pid 4638] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4638] write(1, "executing program\n", 18) = 18 [pid 4638] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4638] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4639 [pid 4638] <... mount resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4638] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4635] +++ exited with 0 +++ [pid 308] umount2("./883", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4638] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4637] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4635, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./883", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4638] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 4638] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] fstat(3 [pid 4638] <... mkdirat resumed>) = 0 [pid 4637] <... mkdirat resumed>) = 0 executing program executing program [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4638] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(3 [pid 4638] <... symlinkat resumed>) = 0 [pid 4637] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4638] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./883/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4638] <... unlinkat resumed>) = 0 [pid 4637] <... mount resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4638] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] newfstatat(AT_FDCWD, "./883/binderfs" [pid 4638] <... unlinkat resumed>) = 0 [pid 4637] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4638] exit_group(0 [pid 4637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] unlink("./883/binderfs" [pid 4638] <... exit_group resumed>) = ? [pid 4638] +++ exited with 0 +++ [pid 4637] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4637] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4639 attached ) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./883/config" [pid 4637] <... mkdirat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4639] set_robust_list(0x55556c898760, 24 [pid 4637] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4639] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4639] rt_sigprocmask(SIG_SETMASK, [] [pid 4637] <... symlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./883/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4639] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4639] chdir("./823" [pid 4637] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... openat resumed>) = 4 [pid 4639] <... chdir resumed>) = 0 [pid 308] fstat(4 [pid 4639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4637] <... unlinkat resumed>) = 0 [pid 4639] <... prctl resumed>) = 0 [pid 4639] setpgid(0, 0) = 0 [pid 4639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4637] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(4 [pid 4639] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4639] write(3, "1000", 4 [pid 308] getdents64(4 [pid 4637] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4639] <... write resumed>) = 4 [pid 308] close(4 [pid 4637] exit_group(0 [pid 4639] close(3 [pid 308] <... close resumed>) = 0 [pid 4637] <... exit_group resumed>) = ? [pid 308] rmdir("./883/config" [pid 4639] <... close resumed>) = 0 [pid 4639] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4639] write(1, "executing program\n", 18 [pid 308] getdents64(3 [pid 4639] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4639] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] close(3 [pid 4637] +++ exited with 0 +++ [pid 308] <... close resumed>) = 0 [pid 4639] <... mkdirat resumed>) = 0 [pid 4639] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4637, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rmdir("./883" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4639] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4639] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 executing program [pid 4639] <... mkdirat resumed>) = 0 [pid 308] mkdir("./884", 0777 [pid 4639] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4639] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4639] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... mkdir resumed>) = 0 [pid 4639] <... unlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4639] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4639] <... exit_group resumed>) = ? [pid 4639] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./851", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./851", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4640 [pid 307] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4639, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4640 attached [pid 310] umount2("./894", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4640] set_robust_list(0x55556c898760, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4640] <... set_robust_list resumed>) = 0 [pid 310] openat(AT_FDCWD, "./894", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 310] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4640] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(3 [pid 307] umount2("./851/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4640] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./851/binderfs" [pid 4640] chdir("./884" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4640] <... chdir resumed>) = 0 [pid 310] umount2("./894/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./851/binderfs" [pid 4640] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4640] setpgid(0, 0) = 0 [pid 4640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4640] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./894/binderfs" [pid 307] <... unlink resumed>) = 0 [pid 4640] write(3, "1000", 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4640] <... write resumed>) = 4 [pid 310] unlink("./894/binderfs" [pid 4640] close(3 [pid 307] <... umount2 resumed>) = 0 [pid 4640] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4640] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./851/config" [pid 310] <... umount2 resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./894/config" [pid 307] openat(AT_FDCWD, "./851/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4640] <... symlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./894/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4640] write(1, "executing program\n", 18 [pid 307] getdents64(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 4640] <... write resumed>) = 18 [pid 310] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 307] close(4 [pid 306] umount2("./823", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4640] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./851/config" [pid 310] close(4 [pid 306] openat(AT_FDCWD, "./823", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4640] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] rmdir("./894/config" [pid 307] getdents64(3 [pid 306] fstat(3 [pid 4640] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 307] close(3 [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 4640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rmdir("./851" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 4640] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4640] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./823/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 4640] <... mkdirat resumed>) = 0 [pid 310] rmdir("./894" [pid 307] mkdir("./852", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4640] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4640] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./872", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./823/binderfs" [pid 4640] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 310] mkdir("./895", 0777 [pid 309] openat(AT_FDCWD, "./872", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4640] exit_group(0) = ? [pid 4640] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] unlink("./823/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4640, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... unlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c898750) = 4641 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4642 attached ci2-android-6-1/strace-static-x86_64: Process 4641 attached [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4642] set_robust_list(0x55556c898760, 24 [pid 4641] set_robust_list(0x55556c898760, 24 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4642 [pid 306] <... umount2 resumed>) = 0 [pid 309] umount2("./872/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4642] <... set_robust_list resumed>) = 0 [pid 4641] <... set_robust_list resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./872/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./823/config" [pid 309] unlink("./872/binderfs" [pid 4642] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4642] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4641] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 306] umount2("./823/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4642] chdir("./852" [pid 4641] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4642] <... chdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./823/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = 0 [pid 4641] chdir("./895" [pid 309] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 4641] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 4641] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] newfstatat(AT_FDCWD, "./872/config" [pid 4641] <... prctl resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4641] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4641] <... setpgid resumed>) = 0 [pid 306] getdents64(4 [pid 309] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./872/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(4 [pid 4642] <... prctl resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] close(4 [pid 4642] setpgid(0, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 4642] <... setpgid resumed>) = 0 [pid 306] rmdir("./823/config" [pid 4642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./884", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4642] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./884", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 309] close(4 [pid 308] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 308] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4641] <... openat resumed>) = 3 [pid 309] rmdir("./872/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4641] write(3, "1000", 4 [pid 306] close(3 [pid 4642] write(3, "1000", 4) = 4 [pid 4642] close(3) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4642] symlink("/dev/binderfs", "./binderfs" [pid 4641] <... write resumed>) = 4 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 4642] <... symlink resumed>) = 0 [pid 4642] write(1, "executing program\n", 18) = 18 executing program [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./823" [pid 4642] mkdirat(AT_FDCWD, "./config", 0777 [pid 4641] close(3 [pid 309] close(3 [pid 308] umount2("./884/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4642] <... mkdirat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4642] mount(NULL, "./config", "configfs", 0, NULL [pid 4641] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./824", 0777 [pid 4642] <... mount resumed>) = 0 [pid 4641] symlink("/dev/binderfs", "./binderfs" [pid 309] rmdir("./872" [pid 308] newfstatat(AT_FDCWD, "./884/binderfs" [pid 4642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4642] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4642] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rmdir resumed>) = 0 [pid 308] unlink("./884/binderfs" [pid 4642] <... symlinkat resumed>) = 0 [pid 4641] <... symlink resumed>) = 0 [pid 309] mkdir("./873", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4642] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... unlink resumed>) = 0 [pid 4642] <... unlinkat resumed>) = 0 [pid 4642] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4641] write(1, "executing program\n", 18 [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4642] exit_group(0 [pid 4641] <... write resumed>) = 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4642] <... exit_group resumed>) = ? executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = 0 [pid 4642] +++ exited with 0 +++ [pid 4641] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4641] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4642, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4643 attached [pid 4641] mount(NULL, "./config", "configfs", 0, NULL [pid 308] newfstatat(AT_FDCWD, "./884/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4643 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4643] set_robust_list(0x55556c898760, 24 [pid 4641] <... mount resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4643] <... set_robust_list resumed>) = 0 [pid 4641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4644 [pid 308] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./884/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4644 attached ) = 4 [pid 4643] rt_sigprocmask(SIG_SETMASK, [] [pid 4641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] fstat(4 [pid 4644] set_robust_list(0x55556c898760, 24 [pid 4641] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4643] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4644] <... set_robust_list resumed>) = 0 [pid 308] getdents64(4 [pid 4641] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4644] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4644] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(4 [pid 4644] chdir("./873" [pid 4643] chdir("./824" [pid 4641] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4644] <... chdir resumed>) = 0 [pid 4641] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] close(4 [pid 4643] <... chdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rmdir("./884/config" [pid 4643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4641] <... symlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4644] <... prctl resumed>) = 0 [pid 308] getdents64(3 [pid 4643] <... prctl resumed>) = 0 [pid 4641] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4643] setpgid(0, 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4644] setpgid(0, 0 [pid 308] close(3 [pid 4644] <... setpgid resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4641] <... unlinkat resumed>) = 0 [pid 4643] <... setpgid resumed>) = 0 [pid 308] rmdir("./884" [pid 4644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 4641] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] mkdir("./885", 0777 [pid 4643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4644] write(3, "1000", 4) = 4 [pid 4644] close(3) = 0 [pid 4644] symlink("/dev/binderfs", "./binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4641] <... unlinkat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4643] <... openat resumed>) = 3 [pid 4641] exit_group(0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./852", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./852", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 4643] write(3, "1000", 4 [pid 4641] <... exit_group resumed>) = ? [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4645 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./852/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4643] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./852/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4643] close(3 [pid 307] unlink("./852/binderfs") = 0 [pid 307] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 307] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4641] +++ exited with 0 +++ [pid 4643] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4644] <... symlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4641, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./852/config" [pid 4644] write(1, "executing program\n", 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 4644] <... write resumed>) = 18 [pid 307] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4644] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4644] <... mkdirat resumed>) = 0 [pid 4643] symlink("/dev/binderfs", "./binderfs" [pid 307] openat(AT_FDCWD, "./852/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4644] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... openat resumed>) = 4 [pid 4644] <... mount resumed>) = 0 [pid 307] fstat(4 [pid 4644] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4644] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(4 [pid 4644] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4644] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(4 [pid 4644] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4644] <... mkdirat resumed>) = 0 [pid 307] close(4 [pid 4644] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... close resumed>) = 0 [pid 4644] <... symlinkat resumed>) = 0 [pid 4643] <... symlink resumed>) = 0 [pid 307] rmdir("./852/config" [pid 4644] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4643] write(1, "executing program\n", 18 [pid 307] <... rmdir resumed>) = 0 [pid 4644] <... unlinkat resumed>) = 0 [pid 307] getdents64(3 [pid 4644] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 4644] <... unlinkat resumed>) = 0 [pid 4643] <... write resumed>) = 18 [pid 307] close(3 [pid 4644] exit_group(0 [pid 4643] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... close resumed>) = 0 [pid 4644] <... exit_group resumed>) = ? [pid 307] rmdir("./852" [pid 4644] +++ exited with 0 +++ [pid 4643] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4643] mount(NULL, "./config", "configfs", 0, NULL [pid 307] mkdir("./853", 0777 [pid 4643] <... mount resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4644, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... mkdir resumed>) = 0 [pid 4643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4643] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4643] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4646 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4645 attached [pid 4643] <... mkdirat resumed>) = 0 [pid 4645] set_robust_list(0x55556c898760, 24 [pid 4643] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4645] <... set_robust_list resumed>) = 0 [pid 4645] rt_sigprocmask(SIG_SETMASK, [] [pid 4643] <... symlinkat resumed>) = 0 [pid 4645] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4643] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4645] chdir("./885" [pid 4643] <... unlinkat resumed>) = 0 [pid 4645] <... chdir resumed>) = 0 [pid 4643] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4645] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4645] setpgid(0, 0) = 0 [pid 4643] <... unlinkat resumed>) = 0 [pid 4645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4643] exit_group(0 [pid 4645] <... openat resumed>) = 3 [pid 4643] <... exit_group resumed>) = ? [pid 4645] write(3, "1000", 4) = 4 [pid 4645] close(3) = 0 [pid 4645] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4645] write(1, "executing program\n", 18 [pid 4643] +++ exited with 0 +++ [pid 4645] <... write resumed>) = 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4643, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4645] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4646 attached [pid 4645] <... mkdirat resumed>) = 0 [pid 4645] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4645] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] umount2("./873", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4645] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4645] <... symlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./873", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4645] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... openat resumed>) = 3 [pid 4645] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(3 [pid 4645] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4645] exit_group(0 [pid 309] getdents64(3 [pid 4645] <... exit_group resumed>) = ? [pid 4646] set_robust_list(0x55556c898760, 24 [pid 4645] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./873/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4646] <... set_robust_list resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4645, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./895", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./873/binderfs" [pid 310] openat(AT_FDCWD, "./895", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4646] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 309] unlink("./873/binderfs" [pid 310] fstat(3 [pid 4646] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4646] chdir("./853") = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 4646] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(3 [pid 309] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4646] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4646] setpgid(0, 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] umount2("./895/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 4646] <... setpgid resumed>) = 0 [pid 4646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./895/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4646] <... openat resumed>) = 3 [pid 4646] write(3, "1000", 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./873/config" [pid 308] umount2("./885", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./895/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4646] <... write resumed>) = 4 [pid 4646] close(3 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./885", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 4646] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] fstat(3 [pid 309] openat(AT_FDCWD, "./873/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 308] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./895/config" [pid 4646] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 308] umount2("./885/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./895/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./885/binderfs" [pid 310] <... openat resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4646] <... symlink resumed>) = 0 [pid 310] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] unlink("./885/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 4646] write(1, "executing program\n", 18) = 18 [pid 308] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 308] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 4646] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 309] rmdir("./873/config" [pid 308] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4646] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./885/config" [pid 310] rmdir("./895/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4646] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] close(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 309] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./885/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 4646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rmdir("./873" [pid 308] <... openat resumed>) = 4 [pid 4646] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./895" [pid 4646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4646] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] fstat(4 [pid 4646] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] mkdir("./896", 0777 [pid 309] mkdir("./874", 0777 [pid 308] getdents64(4 [pid 4646] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4646] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4646] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4646] <... unlinkat resumed>) = 0 [pid 4646] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... mkdir resumed>) = 0 [pid 308] getdents64(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4646] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] close(4 [pid 4646] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4646, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./853", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./853", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4647 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./853/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./885/config" [pid 307] newfstatat(AT_FDCWD, "./853/binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4648 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] unlink("./853/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./824", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./824", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 308] close(3 [pid 307] newfstatat(AT_FDCWD, "./853/config" [pid 306] fstat(3 [pid 308] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./885" [pid 307] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] openat(AT_FDCWD, "./853/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./824/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./886", 0777 [pid 307] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./824/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 306] unlink("./824/binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4648 attached [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(4 [pid 306] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] close(4 [pid 306] <... umount2 resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... close resumed>) = 0 [pid 306] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./853/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./824/config" [pid 307] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./824/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4649 [pid 307] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./824/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./853" [pid 306] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4647 attached [pid 4648] set_robust_list(0x55556c898760, 24 [pid 307] <... rmdir resumed>) = 0 [pid 306] fstat(4 [pid 4647] set_robust_list(0x55556c898760, 24 [pid 307] mkdir("./854", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4648] <... set_robust_list resumed>) = 0 [pid 4647] <... set_robust_list resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 4648] rt_sigprocmask(SIG_SETMASK, [] [pid 4647] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4647] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(4 [pid 4647] chdir("./896" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4650 attached [pid 4648] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4647] <... chdir resumed>) = 0 [pid 306] close(4 [pid 4647] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4650 [pid 306] <... close resumed>) = 0 [pid 4647] <... prctl resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./824/config" [pid 4647] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4648] chdir("./874" [pid 4647] <... setpgid resumed>) = 0 [pid 306] getdents64(3 [pid 4647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4647] <... openat resumed>) = 3 [pid 306] close(3 [pid 4647] write(3, "1000", 4 [pid 306] <... close resumed>) = 0 [pid 4647] <... write resumed>) = 4 [pid 306] rmdir("./824" [pid 4650] set_robust_list(0x55556c898760, 24 [pid 4648] <... chdir resumed>) = 0 [pid 4647] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 4647] <... close resumed>) = 0 [pid 306] mkdir("./825", 0777 [pid 4650] <... set_robust_list resumed>) = 0 [pid 4648] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4647] symlink("/dev/binderfs", "./binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 4648] <... prctl resumed>) = 0 [pid 4647] <... symlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4648] setpgid(0, 0 [pid 4647] write(1, "executing program\n", 18 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 4647] <... write resumed>) = 18 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4651 attached [pid 4650] rt_sigprocmask(SIG_SETMASK, [] [pid 4648] <... setpgid resumed>) = 0 [pid 4647] mkdirat(AT_FDCWD, "./config", 0777 [pid 4650] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4647] <... mkdirat resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4651 [pid 4651] set_robust_list(0x55556c898760, 24 [pid 4647] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4647] <... mount resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4647] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4647] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4648] <... openat resumed>) = 3 [pid 4647] <... symlinkat resumed>) = 0 [pid 4647] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4647] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4648] write(3, "1000", 4 [pid 4647] <... unlinkat resumed>) = 0 [pid 4651] <... set_robust_list resumed>) = 0 [pid 4650] chdir("./854" [pid 4647] exit_group(0) = ? [pid 4651] rt_sigprocmask(SIG_SETMASK, [] [pid 4650] <... chdir resumed>) = 0 [pid 4648] <... write resumed>) = 4 [pid 4647] +++ exited with 0 +++ [pid 4648] close(3ci2-android-6-1/strace-static-x86_64: Process 4649 attached ) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4647, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4648] symlink("/dev/binderfs", "./binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4651] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4649] set_robust_list(0x55556c898760, 24 [pid 310] <... restart_syscall resumed>) = 0 [pid 4651] chdir("./825" [pid 4649] <... set_robust_list resumed>) = 0 [pid 4648] <... symlink resumed>) = 0 [pid 4651] <... chdir resumed>) = 0 [pid 4650] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4649] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4648] write(1, "executing program\n", 18 [pid 4651] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4650] <... prctl resumed>) = 0 [pid 4649] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4648] <... write resumed>) = 18 [pid 310] umount2("./896", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4651] <... prctl resumed>) = 0 [pid 4650] setpgid(0, 0 [pid 4649] chdir("./886" [pid 4648] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4651] setpgid(0, 0 [pid 4649] <... chdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./896", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4651] <... setpgid resumed>) = 0 [pid 4649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... openat resumed>) = 3 [pid 4651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4649] <... prctl resumed>) = 0 [pid 310] fstat(3 [pid 4651] <... openat resumed>) = 3 [pid 4650] <... setpgid resumed>) = 0 [pid 4649] setpgid(0, 0 [pid 4648] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4651] write(3, "1000", 4 [pid 4649] <... setpgid resumed>) = 0 [pid 4648] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3 [pid 4651] <... write resumed>) = 4 [pid 4650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4648] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4651] close(3 [pid 4650] <... openat resumed>) = 3 [pid 4649] <... openat resumed>) = 3 [pid 4648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./896/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4651] <... close resumed>) = 0 [pid 4650] write(3, "1000", 4 [pid 4649] write(3, "1000", 4 [pid 4648] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4651] symlink("/dev/binderfs", "./binderfs" [pid 4650] <... write resumed>) = 4 [pid 4649] <... write resumed>) = 4 [pid 4648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./896/binderfs" [pid 4651] <... symlink resumed>) = 0 [pid 4650] close(3 [pid 4649] close(3 [pid 4648] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4651] write(1, "executing program\n", 18 [pid 4650] <... close resumed>) = 0 [pid 4649] <... close resumed>) = 0 [pid 4648] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] unlink("./896/binderfs" [pid 4651] <... write resumed>) = 18 [pid 4649] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 executing program [pid 4651] mkdirat(AT_FDCWD, "./config", 0777 [pid 4650] symlink("/dev/binderfs", "./binderfs" [pid 4649] <... symlink resumed>) = 0 [pid 4648] <... mkdirat resumed>) = 0 [pid 310] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4651] <... mkdirat resumed>) = 0 [pid 4650] <... symlink resumed>) = 0 [pid 4649] write(1, "executing program\n", 18 [pid 4648] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = 0 [pid 4651] mount(NULL, "./config", "configfs", 0, NULL [pid 4649] <... write resumed>) = 18 [pid 310] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4651] <... mount resumed>) = 0 executing program [pid 4649] mkdirat(AT_FDCWD, "./config", 0777 [pid 4648] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4650] write(1, "executing program\n", 18 [pid 4649] <... mkdirat resumed>) = 0 [pid 4648] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./896/config" [pid 4651] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4649] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 4651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4650] <... write resumed>) = 18 [pid 4649] <... mount resumed>) = 0 [pid 4648] <... unlinkat resumed>) = 0 [pid 310] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4651] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4650] mkdirat(AT_FDCWD, "./config", 0777 [pid 4649] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4648] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4651] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4649] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./896/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4651] <... mkdirat resumed>) = 0 [pid 4650] <... mkdirat resumed>) = 0 [pid 4649] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4648] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 4651] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4649] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(4 [pid 4648] exit_group(0 [pid 4651] <... symlinkat resumed>) = 0 [pid 4650] mount(NULL, "./config", "configfs", 0, NULL [pid 4649] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4651] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4649] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4648] <... exit_group resumed>) = ? [pid 310] getdents64(4 [pid 4651] <... unlinkat resumed>) = 0 [pid 4650] <... mount resumed>) = 0 [pid 4649] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4651] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4649] <... symlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 4651] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4649] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4651] exit_group(0 [pid 4650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4649] <... unlinkat resumed>) = 0 [pid 4648] +++ exited with 0 +++ [pid 310] close(4 [pid 4651] <... exit_group resumed>) = ? [pid 4649] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... close resumed>) = 0 [pid 4651] +++ exited with 0 +++ [pid 4650] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4649] <... unlinkat resumed>) = 0 [pid 310] rmdir("./896/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4649] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4650] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4649] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4650] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4649] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] close(3 [pid 4650] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4649, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4650] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rmdir("./896" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./825", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4650] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4650] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] mkdir("./897", 0777 [pid 306] openat(AT_FDCWD, "./825", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4650] <... unlinkat resumed>) = 0 [pid 4650] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4650] exit_group(0 [pid 306] <... openat resumed>) = 3 [pid 4650] <... exit_group resumed>) = ? [pid 310] <... mkdir resumed>) = 0 [pid 306] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4650] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 306] umount2("./825/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4652 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./825/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./874", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./825/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4652 attached [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./874", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = 0 [pid 309] fstat(3 [pid 306] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./825/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 306] umount2("./825/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] openat(AT_FDCWD, "./825/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./874/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 309] newfstatat(AT_FDCWD, "./874/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./874/binderfs" [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 309] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 309] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./825/config" [pid 309] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./874/config" [pid 306] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./825" [pid 4652] set_robust_list(0x55556c898760, 24 [pid 309] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 306] mkdir("./826", 0777 [pid 4652] <... set_robust_list resumed>) = 0 [pid 309] openat(AT_FDCWD, "./874/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] umount2("./886", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4652] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4653 [pid 308] openat(AT_FDCWD, "./886", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 308] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(3 [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./886/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./874/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./854", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./854", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./886/binderfs" [pid 307] <... openat resumed>) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] unlink("./886/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] close(3 [pid 307] umount2("./854/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./854/binderfs" [pid 309] <... close resumed>) = 0 [pid 308] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./874" [pid 307] unlink("./854/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4653 attached [pid 4652] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 309] mkdir("./875", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4653] set_robust_list(0x55556c898760, 24 [pid 4652] chdir("./897" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./854/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./886/config" [pid 4653] <... set_robust_list resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4652] <... chdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./854/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4653] rt_sigprocmask(SIG_SETMASK, [] [pid 4652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 4653] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4652] <... prctl resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./854/config"ci2-android-6-1/strace-static-x86_64: Process 4654 attached [pid 4653] chdir("./826" [pid 4652] setpgid(0, 0 [pid 308] openat(AT_FDCWD, "./886/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 4653] <... chdir resumed>) = 0 [pid 4652] <... setpgid resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4654 [pid 308] <... openat resumed>) = 4 [pid 307] getdents64(3 [pid 4654] set_robust_list(0x55556c898760, 24 [pid 4653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4654] <... set_robust_list resumed>) = 0 [pid 4653] <... prctl resumed>) = 0 [pid 4652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(4 [pid 307] close(3 [pid 4653] setpgid(0, 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 4653] <... setpgid resumed>) = 0 [pid 308] getdents64(4 [pid 307] rmdir("./854" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 4653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] mkdir("./855", 0777 [pid 4652] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4654] rt_sigprocmask(SIG_SETMASK, [] [pid 4652] write(3, "1000", 4 [pid 308] close(4 [pid 307] <... mkdir resumed>) = 0 [pid 4653] <... openat resumed>) = 3 [pid 4652] <... write resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4653] write(3, "1000", 4 [pid 4652] close(3 [pid 308] rmdir("./886/config" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4654] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4654] chdir("./875") = 0 [pid 4654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rmdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 4653] <... write resumed>) = 4 [pid 4652] <... close resumed>) = 0 [pid 4654] <... prctl resumed>) = 0 [pid 4654] setpgid(0, 0) = 0 [pid 4654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4652] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4655 [pid 4653] close(3 [pid 308] close(3 [pid 4654] write(3, "1000", 4 [pid 308] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./886" [pid 4654] <... write resumed>) = 4 [pid 4654] close(3) = 0 [pid 4654] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4653] <... close resumed>) = 0 [pid 4652] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4653] symlink("/dev/binderfs", "./binderfs" [pid 4652] write(1, "executing program\n", 18 [pid 308] mkdir("./887", 0777 [pid 4654] write(1, "executing program\n", 18) = 18 [pid 4654] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program executing program [pid 4653] <... symlink resumed>) = 0 [pid 4652] <... write resumed>) = 18 [pid 308] <... mkdir resumed>) = 0 [pid 4654] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4653] write(1, "executing program\n", 18 [pid 4652] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4654] <... mount resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4654] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4654] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4653] <... write resumed>) = 18 [pid 4654] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4656 [pid 4653] mkdirat(AT_FDCWD, "./config", 0777 [pid 4652] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4654] <... unlinkat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4654] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4653] <... mkdirat resumed>) = 0 executing program [pid 4652] mount(NULL, "./config", "configfs", 0, NULL [pid 4654] exit_group(0) = ? [pid 4654] +++ exited with 0 +++ [pid 4653] mount(NULL, "./config", "configfs", 0, NULL [pid 4652] <... mount resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4655 attached [pid 4652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4654, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4653] <... mount resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4655] set_robust_list(0x55556c898760, 24 [pid 4653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4652] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4655] <... set_robust_list resumed>) = 0 [pid 4655] rt_sigprocmask(SIG_SETMASK, [] [pid 4652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4655] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4655] chdir("./855") = 0 [pid 4655] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4655] setpgid(0, 0) = 0 [pid 4655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4652] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4655] write(3, "1000", 4 [pid 4652] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4655] <... write resumed>) = 4 [pid 4655] close(3 [pid 4653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4655] <... close resumed>) = 0 [pid 4655] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4653] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4652] <... mkdirat resumed>) = 0 [pid 4655] write(1, "executing program\n", 18) = 18 executing program [pid 4655] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4653] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4652] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4655] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4653] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4652] <... symlinkat resumed>) = 0 [pid 4655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4653] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4652] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4653] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4655] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4652] <... unlinkat resumed>) = 0 [pid 4653] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4652] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4653] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4655] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4652] <... unlinkat resumed>) = 0 [pid 4655] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 ENOENT (No such file or directory) [pid 4653] <... unlinkat resumed>) = 0 [pid 4652] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 4656 attached [pid 4656] set_robust_list(0x55556c898760, 24 [pid 4655] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = -1 ENOENT (No such file or directory) [pid 4656] <... set_robust_list resumed>) = 0 [pid 4656] rt_sigprocmask(SIG_SETMASK, [] [pid 4653] exit_group(0 [pid 4652] <... exit_group resumed>) = ? [pid 4653] <... exit_group resumed>) = ? [pid 4655] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 4655] exit_group(0 [pid 4656] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4656] chdir("./887" [pid 4655] <... exit_group resumed>) = ? [pid 4655] +++ exited with 0 +++ [pid 4652] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4652, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4655, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4653] +++ exited with 0 +++ [pid 4656] <... chdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4653, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4656] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4656] setpgid(0, 0 [pid 309] umount2("./875", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4656] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] openat(AT_FDCWD, "./875", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4656] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 4656] write(3, "1000", 4 [pid 309] fstat(3 [pid 4656] <... write resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4656] close(3 [pid 309] getdents64(3 [pid 4656] <... close resumed>) = 0 [pid 4656] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4656] <... symlink resumed>) = 0 [pid 309] umount2("./875/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4656] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4656] <... write resumed>) = 18 executing program [pid 309] newfstatat(AT_FDCWD, "./875/binderfs" [pid 4656] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4656] <... mkdirat resumed>) = 0 [pid 309] unlink("./875/binderfs" [pid 4656] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... unlink resumed>) = 0 [pid 4656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4656] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 4656] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4656] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4656] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./875/config" [pid 4656] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... restart_syscall resumed>) = 0 [pid 4656] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4656] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./897", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4656] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./897", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4656] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(3 [pid 309] openat(AT_FDCWD, "./875/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 309] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] fstat(4 [pid 307] umount2("./855", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4656] <... unlinkat resumed>) = 0 [pid 310] umount2("./897/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./897/binderfs" [pid 309] getdents64(4 [pid 4656] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./855", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./897/binderfs" [pid 4656] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... openat resumed>) = 3 [pid 310] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 307] fstat(3 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 4656] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./897/config" [pid 309] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4656, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./875/config" [pid 307] umount2("./855/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./897/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./855/binderfs" [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./897/config" [pid 309] close(3 [pid 307] unlink("./855/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 309] rmdir("./875" [pid 307] <... unlink resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./897" [pid 306] umount2("./826", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./826", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 310] mkdir("./898", 0777 [pid 309] mkdir("./876", 0777 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./826/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./826/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./826/binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 307] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] newfstatat(AT_FDCWD, "./855/config" [pid 306] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./826/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./826/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./826/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4657 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./826/config" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4658 [pid 307] openat(AT_FDCWD, "./855/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] close(3 [pid 307] fstat(4 [pid 306] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./826"ci2-android-6-1/strace-static-x86_64: Process 4658 attached [pid 307] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./827", 0777ci2-android-6-1/strace-static-x86_64: Process 4657 attached [pid 4658] set_robust_list(0x55556c898760, 24 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] close(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4658] <... set_robust_list resumed>) = 0 [pid 4657] set_robust_list(0x55556c898760, 24 [pid 307] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4659 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4659 attached [pid 4659] set_robust_list(0x55556c898760, 24) = 0 [pid 4659] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./855/config" [pid 4659] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4658] rt_sigprocmask(SIG_SETMASK, [] [pid 4659] chdir("./827") = 0 [pid 4659] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4659] setpgid(0, 0) = 0 [pid 4658] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] getdents64(3 [pid 4659] <... openat resumed>) = 3 [pid 4658] chdir("./876" [pid 4657] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4659] write(3, "1000", 4) = 4 [pid 4659] close(3) = 0 [pid 4659] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] close(3 [pid 4658] <... chdir resumed>) = 0 [pid 4659] write(1, "executing program\n", 18 [pid 4657] rt_sigprocmask(SIG_SETMASK, [] [pid 4658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... close resumed>) = 0 [pid 4659] <... write resumed>) = 18 executing program [pid 4659] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4658] <... prctl resumed>) = 0 [pid 4657] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./855" [pid 4659] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4658] setpgid(0, 0 [pid 307] <... rmdir resumed>) = 0 [pid 4659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4659] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4658] <... setpgid resumed>) = 0 [pid 4657] chdir("./898" [pid 307] mkdir("./856", 0777 [pid 4659] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4659] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4659] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4659] exit_group(0) = ? [pid 4659] +++ exited with 0 +++ [pid 4658] <... openat resumed>) = 3 [pid 4657] <... chdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4658] write(3, "1000", 4) = 4 [pid 4658] close(3) = 0 [pid 4658] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4658] write(1, "executing program\n", 18) = 18 executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4659, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4658] mkdirat(AT_FDCWD, "./config", 0777 [pid 4657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4658] <... mkdirat resumed>) = 0 [pid 4658] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4657] <... prctl resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./887", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4658] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4658] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4658] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4657] setpgid(0, 0 [pid 4658] <... symlinkat resumed>) = 0 [pid 4657] <... setpgid resumed>) = 0 [pid 308] openat(AT_FDCWD, "./887", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4660 [pid 4658] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4658] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] fstat(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4658] <... unlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4658] exit_group(0 [pid 4657] <... openat resumed>) = 3 [pid 4658] <... exit_group resumed>) = ? [pid 308] getdents64(3 [pid 4658] +++ exited with 0 +++ [pid 4657] write(3, "1000", 4ci2-android-6-1/strace-static-x86_64: Process 4660 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4658, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4657] <... write resumed>) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./887/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4657] close(3 [pid 4660] set_robust_list(0x55556c898760, 24 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4657] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./887/binderfs" [pid 4660] <... set_robust_list resumed>) = 0 [pid 4657] symlink("/dev/binderfs", "./binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4660] rt_sigprocmask(SIG_SETMASK, [] [pid 308] unlink("./887/binderfs" [pid 4660] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4660] chdir("./856") = 0 [pid 4660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... unlink resumed>) = 0 [pid 4657] <... symlink resumed>) = 0 [pid 308] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4660] <... prctl resumed>) = 0 [pid 4660] setpgid(0, 0) = 0 [pid 308] <... umount2 resumed>) = 0 executing program [pid 4657] write(1, "executing program\n", 18 [pid 308] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4657] <... write resumed>) = 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4660] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./887/config" [pid 4660] write(3, "1000", 4 [pid 4657] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4660] <... write resumed>) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4660] close(3) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./876", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4660] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./887/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./876", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4660] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 4 [pid 309] fstat(3 [pid 308] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4657] <... mkdirat resumed>) = 0 [pid 309] getdents64(3 [pid 308] getdents64(4 [pid 4660] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4657] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./876/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 4660] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./876/binderfs" [pid 4657] <... mount resumed>) = 0 [pid 308] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 4657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 309] unlink("./876/binderfs" [pid 308] rmdir("./887/config" [pid 4660] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 4660] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./827", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4657] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./876/config" [pid 308] <... close resumed>) = 0 [pid 4657] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./827", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./887" [pid 309] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 4660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4660] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./888", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./876/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 4660] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4657] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4660] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4657] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... openat resumed>) = 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./827/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4660] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4657] <... symlinkat resumed>) = 0 [pid 309] fstat(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4660] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4657] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4660] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4657] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./827/binderfs" [pid 4660] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4657] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4 [pid 4660] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4657] <... unlinkat resumed>) = 0 [pid 4660] exit_group(0 [pid 4657] exit_group(0 [pid 4660] <... exit_group resumed>) = ? [pid 4657] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4661 attached [pid 4660] +++ exited with 0 +++ [pid 4657] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4661 [pid 306] unlink("./827/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4657, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4661] set_robust_list(0x55556c898760, 24 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4660, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(4 [pid 306] <... unlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./876/config" [pid 306] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4661] <... set_robust_list resumed>) = 0 [pid 4661] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4661] chdir("./888" [pid 309] <... rmdir resumed>) = 0 [pid 4661] <... chdir resumed>) = 0 [pid 4661] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4661] setpgid(0, 0) = 0 [pid 4661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(3 [pid 306] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4661] <... openat resumed>) = 3 [pid 309] close(3 [pid 4661] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./827/config" [pid 309] rmdir("./876" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4661] <... write resumed>) = 4 [pid 4661] close(3) = 0 [pid 4661] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./827/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./877", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4661] <... symlink resumed>) = 0 [pid 4661] write(1, "executing program\n", 18) = 18 [pid 4661] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... mkdir resumed>) = 0 executing program [pid 306] openat(AT_FDCWD, "./827/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4661] <... mkdirat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 4 [pid 4661] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] fstat(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4661] <... mount resumed>) = 0 [pid 4661] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4661] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4661] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] getdents64(4 [pid 4661] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4662 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4661] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4661] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4661] <... unlinkat resumed>) = 0 [pid 307] umount2("./856", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 307] openat(AT_FDCWD, "./856", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 4661] exit_group(0 [pid 307] <... openat resumed>) = 3 [pid 306] rmdir("./827/config" [pid 307] fstat(3 [pid 4661] <... exit_group resumed>) = ? [pid 4661] +++ exited with 0 +++ [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4662 attached [pid 307] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4661, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 4662] set_robust_list(0x55556c898760, 24 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4662] <... set_robust_list resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./856/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4662] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./898", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./856/binderfs" [pid 306] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./898", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 307] unlink("./856/binderfs" [pid 310] <... openat resumed>) = 3 [pid 306] rmdir("./827" [pid 4662] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4662] chdir("./877" [pid 310] fstat(3 [pid 307] <... unlink resumed>) = 0 [pid 4662] <... chdir resumed>) = 0 [pid 4662] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4662] setpgid(0, 0) = 0 [pid 4662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = 0 [pid 306] mkdir("./828", 0777 [pid 310] umount2("./898/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4662] <... openat resumed>) = 3 [pid 4662] write(3, "1000", 4) = 4 [pid 4662] close(3) = 0 [pid 4662] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./898/binderfs" [pid 307] newfstatat(AT_FDCWD, "./856/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./898/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4662] write(1, "executing program\n", 18) = 18 [pid 4662] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 executing program [pid 307] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4662] <... mkdirat resumed>) = 0 [pid 4662] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 307] openat(AT_FDCWD, "./856/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4663 [pid 310] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 4662] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./898/config" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 310] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 310] openat(AT_FDCWD, "./898/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4662] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 307] close(4 [pid 310] fstat(4 [pid 4662] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... close resumed>) = 0 [pid 4662] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rmdir("./856/config" [pid 310] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4663 attached [pid 4663] set_robust_list(0x55556c898760, 24) = 0 [pid 4663] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(3 [pid 310] getdents64(4 [pid 4663] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 307] close(3 [pid 310] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] rmdir("./898/config" [pid 307] rmdir("./856" [pid 4663] chdir("./828") = 0 [pid 4663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4663] setpgid(0, 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 307] mkdir("./857", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4663] <... openat resumed>) = 3 [pid 4663] write(3, "1000", 4) = 4 [pid 4663] close(3) = 0 [pid 4663] symlink("/dev/binderfs", "./binderfs" [pid 310] close(3 [pid 307] <... mkdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./898" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4663] <... symlink resumed>) = 0 [pid 4663] write(1, "executing program\n", 18) = 18 [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./899", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4663] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 308] umount2("./888", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4663] <... mkdirat resumed>) = 0 [pid 4663] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4663] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4664 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] openat(AT_FDCWD, "./888", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 3 [pid 4663] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4663] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4663] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4663] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] fstat(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4665 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 308] getdents64(3 [pid 4663] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4663] exit_group(0 [pid 308] umount2("./888/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4663] <... exit_group resumed>) = ? [pid 4663] +++ exited with 0 +++ [pid 4662] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./888/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4663, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] unlink("./888/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4664 attached [pid 4664] set_robust_list(0x55556c898760, 24 [pid 308] <... unlink resumed>) = 0 [pid 4664] <... set_robust_list resumed>) = 0 [pid 308] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4664] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./888/config" [pid 4664] chdir("./857" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./888/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4664] <... chdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4665 attached [pid 308] <... openat resumed>) = 4 [pid 4664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] fstat(4 [pid 4665] set_robust_list(0x55556c898760, 24 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4664] <... prctl resumed>) = 0 [pid 308] getdents64(4 [pid 4665] <... set_robust_list resumed>) = 0 [pid 4664] setpgid(0, 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 4664] <... setpgid resumed>) = 0 [pid 4665] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] close(4 [pid 4665] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 4664] <... openat resumed>) = 3 [pid 308] rmdir("./888/config" [pid 4662] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4665] chdir("./899") = 0 [pid 4665] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4665] setpgid(0, 0) = 0 [pid 4665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4665] write(3, "1000", 4) = 4 [pid 4665] close(3) = 0 [pid 4665] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4665] write(1, "executing program\n", 18 [pid 4662] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] getdents64(3 [pid 4665] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4665] mkdirat(AT_FDCWD, "./config", 0777 [pid 4662] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 308] close(3 [pid 4665] <... mkdirat resumed>) = 0 [pid 4664] write(3, "1000", 4 [pid 4662] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... close resumed>) = 0 [pid 4665] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rmdir("./888" [pid 4664] <... write resumed>) = 4 [pid 4662] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4665] <... mount resumed>) = 0 [pid 4665] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4665] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 4665] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4664] close(3 [pid 4662] exit_group(0 [pid 308] mkdir("./889", 0777 [pid 4665] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4665] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4664] <... close resumed>) = 0 [pid 4662] <... exit_group resumed>) = ? [pid 308] <... mkdir resumed>) = 0 [pid 4665] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4665] <... unlinkat resumed>) = 0 [pid 4664] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4665] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4665] <... unlinkat resumed>) = 0 [pid 4665] exit_group(0) = ? [pid 4665] +++ exited with 0 +++ [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4666 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4665, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4664] <... symlink resumed>) = 0 [pid 306] umount2("./828", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./828", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./828/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./828/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4666 attached [pid 306] unlink("./828/binderfs" [pid 4666] set_robust_list(0x55556c898760, 24 [pid 4662] +++ exited with 0 +++ [pid 4666] <... set_robust_list resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4662, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4666] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 4666] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4666] chdir("./889" [pid 306] newfstatat(AT_FDCWD, "./828/config" [pid 4666] <... chdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./828/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4666] <... prctl resumed>) = 0 [pid 4666] setpgid(0, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./828/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4666] <... setpgid resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 4666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4666] write(3, "1000", 4 [pid 306] getdents64(4 [pid 4666] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4666] close(3 [pid 306] close(4 [pid 4666] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4666] symlink("/dev/binderfs", "./binderfs" [pid 306] rmdir("./828/config" [pid 4666] <... symlink resumed>) = 0 [pid 4666] write(1, "executing program\n", 18) = 18 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 4666] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./828") = 0 executing program [pid 310] umount2("./899", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./829", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4666] <... mkdirat resumed>) = 0 [pid 4666] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./899", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4666] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] getdents64(3 [pid 4666] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./877", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./899/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4667 [pid 310] newfstatat(AT_FDCWD, "./899/binderfs" [pid 309] openat(AT_FDCWD, "./877", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4666] <... symlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 4666] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] unlink("./899/binderfs" [pid 309] fstat(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4666] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 4666] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4664] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./877/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4666] <... unlinkat resumed>) = 0 [pid 4664] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./899/config" [pid 309] newfstatat(AT_FDCWD, "./877/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4664] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./877/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4666] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./899/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4666] <... exit_group resumed>) = ? [pid 309] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 4666] +++ exited with 0 +++ [pid 4664] <... mkdirat resumed>) = 0 [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4666, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4667 attached [pid 4667] set_robust_list(0x55556c898760, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4667] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./877/config" [pid 4664] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 309] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./899/config" [pid 309] openat(AT_FDCWD, "./877/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4664] <... mount resumed>) = 0 [pid 4667] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4667] chdir("./829" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(3 [pid 309] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 4664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 4667] <... chdir resumed>) = 0 [pid 310] rmdir("./899" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4664] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4667] setpgid(0, 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 4664] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] mkdir("./900", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4667] write(3, "1000", 4) = 4 [pid 4667] close(3) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] close(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rmdir("./877/config" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4667] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4667] write(1, "executing program\n", 18) = 18 [pid 4667] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4668 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 309] close(3 [pid 4667] <... mkdirat resumed>) = 0 [pid 4664] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 308] umount2("./889", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4664] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./877" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4667] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./889", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] mkdir("./878", 0777 [pid 4667] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 4667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4667] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 308] fstat(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4664] <... symlinkat resumed>) = 0 [pid 4667] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(3 [pid 4664] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4667] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4667] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4667] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4667] exit_group(0) = ? [pid 308] umount2("./889/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4669 [pid 4664] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4664] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./889/binderfs" [pid 4667] +++ exited with 0 +++ [pid 4664] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4668 attached [pid 308] unlink("./889/binderfs" [pid 4664] exit_group(0 [pid 4668] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4664] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4667, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4668] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./889/config" [pid 4668] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./889/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4668] chdir("./900" [pid 308] <... openat resumed>) = 4 [pid 4668] <... chdir resumed>) = 0 [pid 308] fstat(4 [pid 4668] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4668] <... prctl resumed>) = 0 [pid 308] getdents64(4 [pid 4668] setpgid(0, 0) = 0 [pid 4668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4668] <... openat resumed>) = 3 [pid 308] getdents64(4 [pid 4668] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4664] +++ exited with 0 +++ [pid 308] close(4 [pid 4668] <... write resumed>) = 4 [pid 4668] close(3) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rmdir("./889/config" [pid 4668] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4668] write(1, "executing program\n", 18 [pid 308] getdents64(3 [pid 4668] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 4668] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] close(3 [pid 4668] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4668] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] rmdir("./889"ci2-android-6-1/strace-static-x86_64: Process 4669 attached [pid 4669] set_robust_list(0x55556c898760, 24 [pid 4668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4669] <... set_robust_list resumed>) = 0 [pid 4668] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 4669] rt_sigprocmask(SIG_SETMASK, [] [pid 308] mkdir("./890", 0777 [pid 4668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4669] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4669] chdir("./878" [pid 4668] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./829", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./829", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4669] <... chdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4669] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4669] setpgid(0, 0) = 0 [pid 4669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4668] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4669] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4670 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4668] <... symlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4668] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4669] write(3, "1000", 4 [pid 4668] <... unlinkat resumed>) = 0 [pid 306] umount2("./829/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4669] <... write resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4669] close(3 [pid 306] newfstatat(AT_FDCWD, "./829/binderfs" [pid 4669] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4669] symlink("/dev/binderfs", "./binderfs" [pid 306] unlink("./829/binderfs" [pid 4669] <... symlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4668] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4668] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4668] exit_group(0 [pid 306] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4669] write(1, "executing program\n", 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4669] <... write resumed>) = 18 [pid 306] newfstatat(AT_FDCWD, "./829/config" [pid 4669] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 4668] <... exit_group resumed>) = ? [pid 306] umount2("./829/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4670 attached [pid 4668] +++ exited with 0 +++ [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4670] set_robust_list(0x55556c898760, 24 [pid 4669] <... mkdirat resumed>) = 0 [pid 306] openat(AT_FDCWD, "./829/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4668, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4669] mount(NULL, "./config", "configfs", 0, NULL [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... openat resumed>) = 4 [pid 4669] <... mount resumed>) = 0 [pid 306] fstat(4 [pid 4669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4669] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] getdents64(4 [pid 4669] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4669] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4669] <... mkdirat resumed>) = 0 [pid 306] close(4 [pid 4669] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./900", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./829/config" [pid 310] openat(AT_FDCWD, "./900", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4669] <... symlinkat resumed>) = 0 [pid 4669] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 310] fstat(3 [pid 4669] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(3 [pid 4669] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 4669] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rmdir("./829" [pid 310] umount2("./900/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4669] <... exit_group resumed>) = ? [pid 4670] <... set_robust_list resumed>) = 0 [pid 4669] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./900/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4669, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] mkdir("./830", 0777 [pid 4670] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4670] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4670] chdir("./890" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 310] unlink("./900/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4670] <... chdir resumed>) = 0 [pid 4670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./878", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./857", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4670] <... prctl resumed>) = 0 [pid 4670] setpgid(0, 0 [pid 309] openat(AT_FDCWD, "./878", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 4670] <... setpgid resumed>) = 0 [pid 4670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4670] write(3, "1000", 4) = 4 [pid 307] openat(AT_FDCWD, "./857", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 4670] close(3 [pid 307] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4671 [pid 4670] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 307] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./900/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4670] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4670] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] openat(AT_FDCWD, "./900/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./878/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./857/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 309] newfstatat(AT_FDCWD, "./878/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./857/binderfs" [pid 310] getdents64(4 [pid 309] unlink("./878/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4670] write(1, "executing program\n", 18) = 18 [pid 309] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 307] unlink("./857/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4670] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... unlink resumed>) = 0 [pid 4670] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 309] <... umount2 resumed>) = 0 [pid 307] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4670] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 310] rmdir("./900/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4670] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./878/config" [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./857/config" [pid 310] close(3 [pid 309] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4671 attached [pid 4670] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./900" [pid 4671] set_robust_list(0x55556c898760, 24 [pid 4670] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] openat(AT_FDCWD, "./878/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4671] <... set_robust_list resumed>) = 0 [pid 4670] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./901", 0777 [pid 309] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4671] rt_sigprocmask(SIG_SETMASK, [] [pid 4670] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4671] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4670] <... unlinkat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(4 [pid 307] openat(AT_FDCWD, "./857/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(4 [pid 307] fstat(4 [pid 4671] chdir("./830" [pid 4670] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4671] <... chdir resumed>) = 0 [pid 4670] <... unlinkat resumed>) = 0 [pid 4671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4670] exit_group(0 [pid 4671] <... prctl resumed>) = 0 [pid 4670] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4672 attached [pid 4671] setpgid(0, 0 [pid 4670] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4671] <... setpgid resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4672 [pid 309] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4670, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] close(4 [pid 307] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./878/config" [pid 307] close(4 [pid 4671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 307] rmdir("./857/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4671] write(3, "1000", 4) = 4 [pid 4671] close(3) = 0 [pid 4671] symlink("/dev/binderfs", "./binderfs" [pid 309] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 4671] <... symlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 309] rmdir("./878" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4671] write(1, "executing program\n", 18) = 18 executing program [pid 4671] mkdirat(AT_FDCWD, "./config", 0777 [pid 4672] set_robust_list(0x55556c898760, 24 [pid 4671] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] close(3 [pid 309] mkdir("./879", 0777 [pid 4671] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... close resumed>) = 0 [pid 4671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 307] rmdir("./857" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4671] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] mkdir("./858", 0777 [pid 4671] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4671] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4671] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4671] exit_group(0) = ? [pid 4672] <... set_robust_list resumed>) = 0 [pid 4671] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4673 [pid 307] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4673 attached , NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4671, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4673] set_robust_list(0x55556c898760, 24) = 0 [pid 4673] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4673] chdir("./879") = 0 [pid 4673] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4673] setpgid(0, 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4674 [pid 4673] <... setpgid resumed>) = 0 [pid 4673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4673] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4673] write(3, "1000", 4) = 4 [pid 4673] close(3) = 0 [pid 4673] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4672] rt_sigprocmask(SIG_SETMASK, [] [pid 4673] write(1, "executing program\n", 18) = 18 [pid 4673] mkdirat(AT_FDCWD, "./config", 0777 [pid 4672] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program ci2-android-6-1/strace-static-x86_64: Process 4674 attached [pid 4674] set_robust_list(0x55556c898760, 24) = 0 [pid 4674] rt_sigprocmask(SIG_SETMASK, [] [pid 4672] chdir("./901" [pid 4674] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4674] chdir("./858" [pid 306] umount2("./830", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4674] <... chdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] openat(AT_FDCWD, "./830", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4674] <... prctl resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4674] setpgid(0, 0 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4674] <... setpgid resumed>) = 0 [pid 306] getdents64(3 [pid 4674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./830/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./830/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./830/binderfs" [pid 4674] <... openat resumed>) = 3 [pid 4674] write(3, "1000", 4 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4674] <... write resumed>) = 4 [pid 4674] close(3 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4674] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4674] symlink("/dev/binderfs", "./binderfs" [pid 306] newfstatat(AT_FDCWD, "./830/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./830/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4674] <... symlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4674] write(1, "executing program\n", 18 [pid 306] openat(AT_FDCWD, "./830/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4674] <... write resumed>) = 18 [pid 306] <... openat resumed>) = 4 [pid 4672] <... chdir resumed>) = 0 [pid 4674] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] fstat(4 [pid 4672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 4672] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4672] setpgid(0, 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4672] <... setpgid resumed>) = 0 executing program [pid 306] close(4 [pid 4673] <... mkdirat resumed>) = 0 [pid 4674] <... mkdirat resumed>) = 0 [pid 4672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./830/config" [pid 4674] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 308] umount2("./890", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./890", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 308] <... openat resumed>) = 3 [pid 4674] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... close resumed>) = 0 [pid 308] fstat(3 [pid 4673] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rmdir("./830" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4672] <... openat resumed>) = 3 [pid 4674] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4674] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 306] mkdir("./831", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4674] <... symlinkat resumed>) = 0 [pid 4674] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] umount2("./890/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4672] write(3, "1000", 4 [pid 308] newfstatat(AT_FDCWD, "./890/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4673] <... mount resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4674] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4674] exit_group(0) = ? [pid 308] unlink("./890/binderfs" [pid 4673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4672] <... write resumed>) = 4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4675 [pid 4674] +++ exited with 0 +++ [pid 4673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4672] close(3 [pid 308] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4675 attached [pid 4673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4672] <... close resumed>) = 0 [pid 308] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4675] set_robust_list(0x55556c898760, 24 [pid 4672] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./890/config" [pid 4673] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4673] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4675] <... set_robust_list resumed>) = 0 [pid 4672] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./890/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 4673] <... mkdirat resumed>) = 0 [pid 4672] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4673] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4672] <... write resumed>) = 18 [pid 308] getdents64(4 [pid 4675] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./890/config" [pid 4675] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4673] <... symlinkat resumed>) = 0 executing program [pid 4672] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./890") = 0 [pid 4673] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] mkdir("./891", 0777 [pid 4675] chdir("./831") = 0 [pid 4675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4675] <... prctl resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4673] <... unlinkat resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4675] setpgid(0, 0) = 0 [pid 4675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4673] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4676 [pid 4672] <... mkdirat resumed>) = 0 [pid 4675] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4673] <... unlinkat resumed>) = 0 [pid 4672] mount(NULL, "./config", "configfs", 0, NULL [pid 4675] write(3, "1000", 4 [pid 4673] exit_group(0 [pid 4675] <... write resumed>) = 4 [pid 4672] <... mount resumed>) = 0 [pid 4673] <... exit_group resumed>) = ? [pid 4672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4675] close(3) = 0 [pid 4675] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4673] +++ exited with 0 +++ [pid 4675] write(1, "executing program\n", 18 [pid 4672] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4673, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4675] <... write resumed>) = 18 [pid 4672] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4672] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4675] mkdirat(AT_FDCWD, "./config", 0777 [pid 4672] <... mkdirat resumed>) = 0 [pid 4672] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 executing program [pid 4672] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4672] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4672] exit_group(0) = ? [pid 4675] <... mkdirat resumed>) = 0 [pid 4675] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4672] +++ exited with 0 +++ [pid 4675] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4672, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4675] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4675] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4675] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4675] <... symlinkat resumed>) = 0 [pid 310] umount2("./901", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./879", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./858", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4675] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] openat(AT_FDCWD, "./879", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./901", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4675] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./858", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 309] fstat(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 307] fstat(3 [pid 309] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./901/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./879/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./901/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4675] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./879/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] unlink("./901/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./858/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./879/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4675] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./858/binderfs" [pid 309] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 307] unlink("./858/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4675] <... exit_group resumed>) = ? [pid 4675] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./901/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./879/config" [pid 307] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4675, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 309] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./901/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./879/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./858/config" [pid 310] getdents64(4 [pid 309] fstat(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./831", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 307] openat(AT_FDCWD, "./858/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 307] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./831", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 310] <... close resumed>) = 0 [pid 307] fstat(4 [pid 306] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 310] rmdir("./901/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 309] rmdir("./879/config"ci2-android-6-1/strace-static-x86_64: Process 4676 attached [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 307] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] close(3 [pid 307] close(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] rmdir("./879" [pid 307] rmdir("./858/config" [pid 306] umount2("./831/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 4676] set_robust_list(0x55556c898760, 24 [pid 309] <... rmdir resumed>) = 0 [pid 4676] <... set_robust_list resumed>) = 0 [pid 4676] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./901" [pid 309] mkdir("./880", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4676] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./831/binderfs" [pid 4676] chdir("./891") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./902", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] unlink("./831/binderfs" [pid 4676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... mkdir resumed>) = 0 [pid 4676] <... prctl resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4676] setpgid(0, 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4676] <... setpgid resumed>) = 0 [pid 4676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 4677 attached ) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./858" [pid 306] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4676] write(3, "1000", 4) = 4 [pid 4676] close(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4677 [pid 4676] <... close resumed>) = 0 [pid 4676] symlink("/dev/binderfs", "./binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4677] set_robust_list(0x55556c898760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4678 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] mkdir("./859", 0777 [pid 306] newfstatat(AT_FDCWD, "./831/config"ci2-android-6-1/strace-static-x86_64: Process 4678 attached [pid 4677] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4676] <... symlink resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] umount2("./831/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4678] set_robust_list(0x55556c898760, 24 [pid 4677] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4678] <... set_robust_list resumed>) = 0 [pid 4677] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4676] write(1, "executing program\n", 18) = 18 executing program [pid 4677] chdir("./880" [pid 4676] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] openat(AT_FDCWD, "./831/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4678] rt_sigprocmask(SIG_SETMASK, [] [pid 4677] <... chdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4679 [pid 4678] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4676] <... mkdirat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 4 [pid 4677] <... prctl resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(4 [pid 4678] chdir("./902" [pid 4677] setpgid(0, 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4678] <... chdir resumed>) = 0 [pid 4677] <... setpgid resumed>) = 0 [pid 4678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] getdents64(4 [pid 4678] <... prctl resumed>) = 0 [pid 4677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4676] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4678] setpgid(0, 0 [pid 306] getdents64(4 [pid 4678] <... setpgid resumed>) = 0 [pid 4677] <... openat resumed>) = 3 [pid 4676] <... mount resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4677] write(3, "1000", 4 [pid 306] close(4 [pid 4678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4677] <... write resumed>) = 4 [pid 4676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... close resumed>) = 0 [pid 4677] close(3 [pid 306] rmdir("./831/config" [pid 4676] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4677] <... close resumed>) = 0 [pid 4676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 4678] <... openat resumed>) = 3 [pid 4677] symlink("/dev/binderfs", "./binderfs" [pid 4678] write(3, "1000", 4 [pid 306] getdents64(3 [pid 4676] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4677] <... symlink resumed>) = 0 [pid 4676] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] close(3 [pid 4678] <... write resumed>) = 4 [pid 4678] close(3 [pid 4677] write(1, "executing program\n", 18 [pid 4676] <... mkdirat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4678] <... close resumed>) = 0 [pid 4677] <... write resumed>) = 18 [pid 4678] symlink("/dev/binderfs", "./binderfs" [pid 306] rmdir("./831" executing program [pid 4677] mkdirat(AT_FDCWD, "./config", 0777 [pid 4676] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4677] <... mkdirat resumed>) = 0 [pid 4676] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4678] <... symlink resumed>) = 0 [pid 4676] <... unlinkat resumed>) = 0 [pid 306] mkdir("./832", 0777 [pid 4677] mount(NULL, "./config", "configfs", 0, NULL [pid 4678] write(1, "executing program\n", 18 [pid 4676] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4678] <... write resumed>) = 18 [pid 4677] <... mount resumed>) = 0 executing program [pid 4676] exit_group(0 [pid 306] <... mkdir resumed>) = 0 [pid 4678] mkdirat(AT_FDCWD, "./config", 0777 [pid 4677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4676] <... exit_group resumed>) = ? [pid 4678] <... mkdirat resumed>) = 0 [pid 4677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4676] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4678] mount(NULL, "./config", "configfs", 0, NULL [pid 4677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4676, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4677] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4679 attached [pid 4679] set_robust_list(0x55556c898760, 24) = 0 [pid 4679] rt_sigprocmask(SIG_SETMASK, [] [pid 4678] <... mount resumed>) = 0 [pid 4677] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4680 [pid 4679] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4679] chdir("./859" [pid 4678] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4677] <... mkdirat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4679] <... chdir resumed>) = 0 [pid 4678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4677] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4679] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4677] <... symlinkat resumed>) = 0 [pid 4679] <... prctl resumed>) = 0 [pid 4678] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4677] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4678] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4679] setpgid(0, 0 [pid 4678] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4677] <... unlinkat resumed>) = 0 [pid 4678] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4677] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4679] <... setpgid resumed>) = 0 [pid 4678] <... symlinkat resumed>) = 0 [pid 4677] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4678] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4677] exit_group(0 [pid 4679] <... openat resumed>) = 3 [pid 4678] <... unlinkat resumed>) = 0 [pid 4677] <... exit_group resumed>) = ? [pid 4679] write(3, "1000", 4) = 4 [pid 4679] close(3) = 0 [pid 4679] symlink("/dev/binderfs", "./binderfs" [pid 308] <... restart_syscall resumed>) = 0 [pid 4679] <... symlink resumed>) = 0 [pid 4678] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4677] +++ exited with 0 +++ [pid 4679] write(1, "executing program\n", 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4677, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4678] <... unlinkat resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./891", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4679] <... write resumed>) = 18 [pid 4678] exit_group(0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4679] mkdirat(AT_FDCWD, "./config", 0777 [pid 4678] <... exit_group resumed>) = ? executing program [pid 308] openat(AT_FDCWD, "./891", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4679] <... mkdirat resumed>) = 0 [pid 309] umount2("./880", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 309] openat(AT_FDCWD, "./880", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4678] +++ exited with 0 +++ [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4678, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(3 [pid 4679] mount(NULL, "./config", "configfs", 0, NULL [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 308] umount2("./891/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4679] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./880/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./891/binderfs" [pid 4679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./880/binderfs" [pid 308] unlink("./891/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4680 attached [pid 4679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4680] set_robust_list(0x55556c898760, 24) = 0 [pid 4679] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./880/binderfs" [pid 308] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4679] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... unlink resumed>) = 0 [pid 4680] rt_sigprocmask(SIG_SETMASK, [] [pid 4679] <... mkdirat resumed>) = 0 [pid 309] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 4680] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4680] chdir("./832" [pid 4679] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4680] <... chdir resumed>) = 0 [pid 309] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4680] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4680] setpgid(0, 0 [pid 308] newfstatat(AT_FDCWD, "./891/config" [pid 4680] <... setpgid resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./880/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4679] <... symlinkat resumed>) = 0 [pid 4679] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4680] <... openat resumed>) = 3 [pid 4679] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4680] write(3, "1000", 4 [pid 4679] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] openat(AT_FDCWD, "./880/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4680] <... write resumed>) = 4 [pid 4679] <... unlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./891/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4679] exit_group(0) = ? [pid 4680] close(3 [pid 4679] +++ exited with 0 +++ [pid 309] <... openat resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 4680] <... close resumed>) = 0 [pid 309] fstat(4 [pid 308] fstat(4 [pid 4680] symlink("/dev/binderfs", "./binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4679, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4680] <... symlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 4680] write(1, "executing program\n", 18 [pid 309] getdents64(4 [pid 4680] <... write resumed>) = 18 [pid 308] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 308] close(4 [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 309] rmdir("./880/config" [pid 4680] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rmdir("./891/config" [pid 4680] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4680] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rmdir resumed>) = 0 [pid 4680] <... mount resumed>) = 0 [pid 309] getdents64(3 [pid 4680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4680] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 4680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rmdir("./880" [pid 308] <... close resumed>) = 0 [pid 4680] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./891" [pid 4680] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] mkdir("./881", 0777 [pid 4680] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4680] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... mkdir resumed>) = 0 [pid 308] mkdir("./892", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4680] <... symlinkat resumed>) = 0 [pid 4680] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4680] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4680] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4681 attached [pid 310] umount2("./902", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4681 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4680] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4681] set_robust_list(0x55556c898760, 24 [pid 4680] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4681] <... set_robust_list resumed>) = 0 [pid 310] openat(AT_FDCWD, "./902", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4682 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4680, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4681] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./859", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4681] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4681] chdir("./881" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4681] <... chdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./859", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./902/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4681] <... prctl resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 4681] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 4681] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./902/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 310] unlink("./902/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 307] umount2("./859/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4681] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./859/binderfs" [pid 4681] write(3, "1000", 4 [pid 310] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4681] <... write resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4681] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./859/binderfs" [pid 310] newfstatat(AT_FDCWD, "./902/config" [pid 4681] <... close resumed>) = 0 [pid 4681] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4682 attached [pid 310] openat(AT_FDCWD, "./902/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = 0 [pid 4681] <... symlink resumed>) = 0 [pid 4681] write(1, "executing program\n", 18 [pid 310] <... openat resumed>) = 4 [pid 307] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4681] <... write resumed>) = 18 [pid 310] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./859/config" executing program [pid 4681] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4681] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 4681] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./859/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(4 [pid 4682] set_robust_list(0x55556c898760, 24 [pid 4681] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 4682] <... set_robust_list resumed>) = 0 [pid 310] rmdir("./902/config" [pid 4681] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] fstat(4 [pid 4682] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4681] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 307] getdents64(4 [pid 4681] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4682] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4681] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 307] getdents64(4 [pid 4682] chdir("./892" [pid 4681] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./832", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./902" [pid 307] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4682] <... chdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./832", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./903", 0777 [pid 4682] <... prctl resumed>) = 0 [pid 4681] <... mkdirat resumed>) = 0 [pid 307] rmdir("./859/config" [pid 306] <... openat resumed>) = 3 [pid 4682] setpgid(0, 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4681] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 4682] <... openat resumed>) = 3 [pid 4681] <... symlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4681] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 4682] write(3, "1000", 4) = 4 [pid 4682] close(3 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4681] <... unlinkat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4683 [pid 307] <... close resumed>) = 0 [pid 4681] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./832/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./859" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4682] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./832/binderfs" [pid 4682] symlink("/dev/binderfs", "./binderfs" [pid 4681] <... unlinkat resumed>) = 0 [pid 307] mkdir("./860", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4682] <... symlink resumed>) = 0 executing program [pid 4682] write(1, "executing program\n", 18) = 18 [pid 307] <... mkdir resumed>) = 0 [pid 306] unlink("./832/binderfs" [pid 4682] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4682] <... mkdirat resumed>) = 0 [pid 4681] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4681] <... exit_group resumed>) = ? [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4682] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = 0 [pid 4682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4684 [pid 306] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4682] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4682] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4684 attached [pid 4682] <... mkdirat resumed>) = 0 [pid 4681] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./832/config" [pid 4684] set_robust_list(0x55556c898760, 24 [pid 4682] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4684] <... set_robust_list resumed>) = 0 [pid 4682] <... symlinkat resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4684] rt_sigprocmask(SIG_SETMASK, [] [pid 4682] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4684] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4682] <... unlinkat resumed>) = 0 [pid 306] umount2("./832/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4684] chdir("./860" [pid 4682] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4684] <... chdir resumed>) = 0 [pid 4682] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4682] exit_group(0 [pid 4684] <... prctl resumed>) = 0 [pid 4682] <... exit_group resumed>) = ? [pid 306] openat(AT_FDCWD, "./832/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4684] setpgid(0, 0 [pid 4682] +++ exited with 0 +++ [pid 4684] <... setpgid resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4682, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] fstat(4 [pid 4684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4683 attached [pid 306] getdents64(4 [pid 4684] <... openat resumed>) = 3 [pid 4683] set_robust_list(0x55556c898760, 24 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4683] <... set_robust_list resumed>) = 0 [pid 306] getdents64(4 [pid 4683] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./892", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./881", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4683] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4683] chdir("./903" [pid 308] openat(AT_FDCWD, "./892", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./881", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rmdir("./832/config" [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 4683] <... chdir resumed>) = 0 [pid 4683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4683] setpgid(0, 0) = 0 [pid 4683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] fstat(3 [pid 308] fstat(3 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4683] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(3 [pid 309] umount2("./881/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./892/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4683] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./881/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./832" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./892/binderfs" [pid 4683] <... write resumed>) = 4 [pid 4683] close(3) = 0 [pid 4683] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] unlink("./881/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4683] write(1, "executing program\n", 18) = 18 [pid 309] <... unlink resumed>) = 0 [pid 308] unlink("./892/binderfs" [pid 309] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./833", 0777 [pid 4683] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... unlink resumed>) = 0 executing program [pid 306] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4684] write(3, "1000", 4 [pid 4683] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./881/config" [pid 308] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4683] <... mount resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./892/config" [pid 4683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4683] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./881/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4685 [pid 309] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4683] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4683] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(4 [pid 308] openat(AT_FDCWD, "./892/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 308] fstat(4 [pid 4683] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4683] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4684] <... write resumed>) = 4 [pid 4683] <... unlinkat resumed>) = 0 [pid 309] close(4 [pid 308] getdents64(4 [pid 4684] close(3 [pid 4683] exit_group(0) = ? [pid 4684] <... close resumed>) = 0 [pid 4683] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./881/config" [pid 308] close(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4683, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4685 attached [pid 4685] set_robust_list(0x55556c898760, 24) = 0 [pid 4685] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] rmdir("./892/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4685] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4685] chdir("./833") = 0 [pid 4685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 308] getdents64(3 [pid 4685] <... prctl resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./881" [pid 308] close(3 [pid 4685] setpgid(0, 0) = 0 [pid 4685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 309] mkdir("./882", 0777 [pid 308] rmdir("./892" [pid 4685] write(3, "1000", 4) = 4 [pid 4685] close(3) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4685] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rmdir resumed>) = 0 [pid 4684] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] mkdir("./893", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4685] write(1, "executing program\n", 18) = 18 [pid 4685] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4685] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4685] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4685] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4686 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4685] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4685] <... mkdirat resumed>) = 0 [pid 4685] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4685] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4685] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4687 [pid 4685] <... unlinkat resumed>) = 0 [pid 4684] <... symlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4685] exit_group(0 [pid 4684] write(1, "executing program\n", 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4685] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4687 attached [pid 4685] +++ exited with 0 +++ [pid 4684] <... write resumed>) = 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4685, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4684] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4686 attached executing program [pid 4686] set_robust_list(0x55556c898760, 24) = 0 [pid 4686] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 4686] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4686] chdir("./882") = 0 [pid 310] umount2("./903", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4686] <... prctl resumed>) = 0 [pid 310] openat(AT_FDCWD, "./903", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4686] setpgid(0, 0 [pid 310] <... openat resumed>) = 3 [pid 4686] <... setpgid resumed>) = 0 [pid 4684] <... mkdirat resumed>) = 0 [pid 310] fstat(3 [pid 4686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4684] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4686] <... openat resumed>) = 3 [pid 4684] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 4686] write(3, "1000", 4) = 4 [pid 4684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4686] close(3 [pid 310] umount2("./903/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4686] <... close resumed>) = 0 [pid 4684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4686] symlink("/dev/binderfs", "./binderfs" [pid 310] newfstatat(AT_FDCWD, "./903/binderfs" [pid 4686] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4684] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./903/binderfs" [pid 4684] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4686] write(1, "executing program\n", 18) = 18 [pid 310] <... unlink resumed>) = 0 [pid 4686] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 310] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4686] <... mkdirat resumed>) = 0 [pid 4684] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 4686] mount(NULL, "./config", "configfs", 0, NULL [pid 4684] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4686] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4684] <... symlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./903/config" [pid 4686] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4684] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4686] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4686] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./903/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4684] <... unlinkat resumed>) = 0 [pid 4686] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 4684] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(4 [pid 4686] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 4687] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4687] rt_sigprocmask(SIG_SETMASK, [] [pid 4684] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 4686] <... mkdirat resumed>) = 0 [pid 4684] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4687] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] close(4 [pid 4684] <... exit_group resumed>) = ? [pid 4687] chdir("./893" [pid 4686] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 4686] <... symlinkat resumed>) = 0 [pid 310] rmdir("./903/config" [pid 4687] <... chdir resumed>) = 0 [pid 4687] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4687] setpgid(0, 0) = 0 [pid 4686] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] close(3 [pid 4686] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] umount2("./833", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./903" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4687] <... openat resumed>) = 3 [pid 4686] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./833", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./904", 0777 [pid 306] <... openat resumed>) = 3 [pid 4686] <... unlinkat resumed>) = 0 [pid 4687] write(3, "1000", 4) = 4 [pid 4687] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 306] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4684] +++ exited with 0 +++ [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(3 [pid 4687] <... close resumed>) = 0 [pid 4686] exit_group(0 [pid 4687] symlink("/dev/binderfs", "./binderfs" [pid 4686] <... exit_group resumed>) = ? [pid 4687] <... symlink resumed>) = 0 [pid 4686] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4684, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4688 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4686, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./833/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./833/binderfs" [pid 4687] write(1, "executing program\n", 18 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4687] <... write resumed>) = 18 [pid 306] unlink("./833/binderfs" executing program [pid 4687] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4687] mount(NULL, "./config", "configfs", 0, NULL [pid 306] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4687] <... mount resumed>) = 0 [pid 4687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = 0 [pid 4687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4687] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4687] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] newfstatat(AT_FDCWD, "./833/config"ci2-android-6-1/strace-static-x86_64: Process 4688 attached [pid 4687] <... mkdirat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4687] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] umount2("./833/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4687] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4687] <... unlinkat resumed>) = 0 [pid 306] openat(AT_FDCWD, "./833/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4687] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... openat resumed>) = 4 [pid 4687] <... unlinkat resumed>) = 0 [pid 306] fstat(4 [pid 4687] exit_group(0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4687] <... exit_group resumed>) = ? [pid 306] getdents64(4 [pid 4688] set_robust_list(0x55556c898760, 24 [pid 4687] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 4688] <... set_robust_list resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4687, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./882", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 309] openat(AT_FDCWD, "./882", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 4688] rt_sigprocmask(SIG_SETMASK, [] [pid 309] fstat(3 [pid 306] rmdir("./833/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./893", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4688] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4688] chdir("./904") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 306] getdents64(3 [pid 308] openat(AT_FDCWD, "./893", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... openat resumed>) = 3 [pid 309] umount2("./882/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./882/binderfs" [pid 306] close(3 [pid 308] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 4688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] unlink("./882/binderfs" [pid 308] umount2("./893/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./833" [pid 4688] <... prctl resumed>) = 0 [pid 4688] setpgid(0, 0 [pid 309] <... unlink resumed>) = 0 [pid 4688] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./860", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./893/binderfs" [pid 4688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] unlink("./893/binderfs" [pid 307] openat(AT_FDCWD, "./860", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] mkdir("./834", 0777 [pid 309] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4688] write(3, "1000", 4) = 4 [pid 4688] close(3 [pid 308] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 4688] <... close resumed>) = 0 [pid 4688] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4688] write(1, "executing program\n", 18 [pid 309] newfstatat(AT_FDCWD, "./882/config" [pid 308] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./860/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./893/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./882/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./860/binderfs" [pid 309] <... openat resumed>) = 4 [pid 4688] <... write resumed>) = 18 [pid 4688] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] fstat(4 executing program [pid 308] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./860/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4689 [pid 309] getdents64(4 [pid 308] openat(AT_FDCWD, "./893/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4688] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4688] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(4 [pid 4688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... umount2 resumed>) = 0 [pid 4688] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4688] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4688] <... mkdirat resumed>) = 0 [pid 309] close(4 [pid 307] newfstatat(AT_FDCWD, "./860/config" [pid 4688] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4688] <... symlinkat resumed>) = 0 [pid 309] rmdir("./882/config" [pid 308] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4688] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4688] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4688] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 307] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4688] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 4688] +++ exited with 0 +++ [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4688, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./893/config" [pid 307] openat(AT_FDCWD, "./860/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./882"ci2-android-6-1/strace-static-x86_64: Process 4689 attached [pid 4689] set_robust_list(0x55556c898760, 24 [pid 308] <... rmdir resumed>) = 0 [pid 4689] <... set_robust_list resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 4689] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4689] chdir("./834" [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] fstat(4 [pid 309] mkdir("./883", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4689] <... chdir resumed>) = 0 [pid 4689] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4689] setpgid(0, 0) = 0 [pid 4689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... close resumed>) = 0 [pid 4689] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] getdents64(4 [pid 4689] <... write resumed>) = 4 [pid 4689] close(3) = 0 [pid 4689] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4689] write(1, "executing program\n", 18) = 18 [pid 4689] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4689] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4690 [pid 308] rmdir("./893" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 310] umount2("./904", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4689] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4689] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./894", 0777 [pid 307] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./904", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./860/config" [pid 4689] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 4689] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(3 [pid 307] <... rmdir resumed>) = 0 [pid 4689] <... symlinkat resumed>) = 0 executing program [pid 4689] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4689] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] close(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4689] <... unlinkat resumed>) = 0 [pid 310] umount2("./904/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./860" [pid 4689] exit_group(0) = ? [pid 4689] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./904/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4691 [pid 307] mkdir("./861", 0777 [pid 310] unlink("./904/binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4690 attached [pid 4690] set_robust_list(0x55556c898760, 24) = 0 [pid 4690] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 4690] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4690] chdir("./883" [pid 310] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4689, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = 0 [pid 4690] <... chdir resumed>) = 0 [pid 4690] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4690] setpgid(0, 0) = 0 [pid 4690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4690] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4692 [pid 310] newfstatat(AT_FDCWD, "./904/config" [pid 4690] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4690] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4690] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./904/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4690] symlink("/dev/binderfs", "./binderfs" [pid 310] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4691 attached [pid 4690] <... symlink resumed>) = 0 [pid 310] fstat(4 [pid 4690] write(1, "executing program\n", 18) = 18 executing program [pid 4690] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4691] set_robust_list(0x55556c898760, 24 [pid 4690] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 4690] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4690] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 4690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4690] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 4690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 4690] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./904/config" [pid 4690] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4690] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rmdir resumed>) = 0 [pid 4690] <... symlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 4690] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4690] <... unlinkat resumed>) = 0 [pid 310] close(3 [pid 4691] <... set_robust_list resumed>) = 0 [pid 4690] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... close resumed>) = 0 [pid 4690] exit_group(0 [pid 310] rmdir("./904" [pid 4691] rt_sigprocmask(SIG_SETMASK, [] [pid 4690] <... exit_group resumed>) = ? [pid 4691] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4690] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4692 attached [pid 4692] set_robust_list(0x55556c898760, 24 [pid 310] mkdir("./905", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4690, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4692] <... set_robust_list resumed>) = 0 [pid 4692] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4692] chdir("./861" [pid 310] <... mkdir resumed>) = 0 [pid 4692] <... chdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./834", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4692] <... prctl resumed>) = 0 [pid 4692] setpgid(0, 0) = 0 [pid 4692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4692] write(3, "1000", 4) = 4 [pid 306] openat(AT_FDCWD, "./834", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4693 [pid 4692] close(3 [pid 306] <... openat resumed>) = 3 [pid 4692] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(3 [pid 4692] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4692] <... symlink resumed>) = 0 [pid 306] getdents64(3 [pid 4691] chdir("./894" [pid 4692] write(1, "executing program\n", 18 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4692] <... write resumed>) = 18 [pid 306] umount2("./834/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4692] mkdirat(AT_FDCWD, "./config", 0777 [pid 4691] <... chdir resumed>) = 0 executing program [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4692] <... mkdirat resumed>) = 0 [pid 4691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] newfstatat(AT_FDCWD, "./834/binderfs" [pid 4692] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] unlink("./834/binderfs" [pid 4692] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4692] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4691] <... prctl resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4692] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4693 attached [pid 4693] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4693] rt_sigprocmask(SIG_SETMASK, [] [pid 4692] <... symlinkat resumed>) = 0 [pid 4691] setpgid(0, 0 [pid 306] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4693] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4692] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4691] <... setpgid resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./834/config" [pid 4693] chdir("./905" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4693] <... chdir resumed>) = 0 [pid 306] umount2("./834/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4692] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] openat(AT_FDCWD, "./834/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4692] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4693] <... prctl resumed>) = 0 [pid 4693] setpgid(0, 0) = 0 [pid 4693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 4693] <... openat resumed>) = 3 [pid 4692] <... unlinkat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4691] <... openat resumed>) = 3 [pid 309] umount2("./883", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4692] exit_group(0 [pid 306] getdents64(4 [pid 4692] <... exit_group resumed>) = ? [pid 4691] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./883", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(4 [pid 4693] write(3, "1000", 4 [pid 309] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 306] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 306] rmdir("./834/config" [pid 4693] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4693] close(3) = 0 [pid 4693] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] umount2("./883/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4691] <... write resumed>) = 4 [pid 306] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./883/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4691] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(3 [pid 309] unlink("./883/binderfs" [pid 306] <... close resumed>) = 0 [pid 4693] write(1, "executing program\n", 18) = 18 [pid 309] <... unlink resumed>) = 0 [pid 4691] <... close resumed>) = 0 [pid 306] rmdir("./834" [pid 309] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4692] +++ exited with 0 +++ executing program executing program [pid 4693] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4691] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] mkdir("./835", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4693] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./883/config" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4693] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4691] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./861", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4691] write(1, "executing program\n", 18 [pid 309] openat(AT_FDCWD, "./883/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./861", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4693] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4693] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4693] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... openat resumed>) = 3 [pid 309] fstat(4 [pid 4691] <... write resumed>) = 18 [pid 307] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4694 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 4693] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4693] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4691] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./861/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./861/binderfs" [pid 309] rmdir("./883/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4693] <... unlinkat resumed>) = 0 [pid 4693] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 307] unlink("./861/binderfs" [pid 309] getdents64(3 [pid 4693] <... exit_group resumed>) = ? [pid 4693] +++ exited with 0 +++ [pid 4691] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4694 attached [pid 4694] set_robust_list(0x55556c898760, 24 [pid 307] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 4691] mount(NULL, "./config", "configfs", 0, NULL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4693, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./883" [pid 307] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4694] <... set_robust_list resumed>) = 0 [pid 4694] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4694] chdir("./835" [pid 309] mkdir("./884", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4691] <... mount resumed>) = 0 [pid 4694] <... chdir resumed>) = 0 [pid 4694] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4694] setpgid(0, 0) = 0 [pid 4694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./861/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4691] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4694] <... openat resumed>) = 3 [pid 4694] write(3, "1000", 4) = 4 [pid 4694] close(3) = 0 [pid 4694] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4691] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4694] write(1, "executing program\n", 18 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4695 [pid 4691] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] openat(AT_FDCWD, "./861/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 4 [pid 4694] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(4 [pid 310] umount2("./905", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4694] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4691] <... mkdirat resumed>) = 0 executing program [pid 310] openat(AT_FDCWD, "./905", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 4694] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 3 [pid 4694] <... mount resumed>) = 0 [pid 4691] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 4694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4694] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] close(4 [pid 310] umount2("./905/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4691] <... symlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./861/config" [pid 4691] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./905/binderfs" [pid 4694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 4694] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4694] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 4694] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4694] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4691] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] getdents64(3 [pid 310] unlink("./905/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4694] <... unlinkat resumed>) = 0 [pid 4691] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 307] close(3 [pid 310] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 4694] exit_group(0 [pid 4691] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... umount2 resumed>) = 0 [pid 307] rmdir("./861" [pid 310] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4694] <... exit_group resumed>) = ? [pid 4694] +++ exited with 0 +++ [pid 4691] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 4691] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./905/config" [pid 307] mkdir("./862", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4695 attached [pid 4695] set_robust_list(0x55556c898760, 24) = 0 [pid 4695] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] openat(AT_FDCWD, "./905/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... openat resumed>) = 4 [pid 4695] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4695] chdir("./884") = 0 [pid 4695] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4695] setpgid(0, 0) = 0 [pid 4695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] fstat(4 [pid 4695] write(3, "1000", 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4696 [pid 310] getdents64(4 [pid 4695] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4695] close(3 [pid 310] close(4 [pid 4695] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4695] symlink("/dev/binderfs", "./binderfs" [pid 4691] +++ exited with 0 +++ [pid 310] rmdir("./905/config" [pid 4695] <... symlink resumed>) = 0 [pid 4695] write(1, "executing program\n", 18) = 18 [pid 4695] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4695] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] close(3 [pid 4695] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rmdir("./905" [pid 308] umount2("./894", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4695] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4695] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./906", 0777 [pid 308] openat(AT_FDCWD, "./894", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4695] <... mkdirat resumed>) = 0 [pid 4695] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... mkdir resumed>) = 0 executing program [pid 4695] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] fstat(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4695] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4695] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4695] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 4697 attached [pid 4695] +++ exited with 0 +++ [pid 308] getdents64(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4697 ci2-android-6-1/strace-static-x86_64: Process 4696 attached [pid 4696] set_robust_list(0x55556c898760, 24 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4695, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./894/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4696] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./835", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./894/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4696] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./835", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] unlink("./894/binderfs" [pid 306] <... openat resumed>) = 3 [pid 4696] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4696] chdir("./862" [pid 308] <... unlink resumed>) = 0 [pid 306] fstat(3 [pid 308] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4696] <... chdir resumed>) = 0 [pid 4696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4696] <... prctl resumed>) = 0 [pid 306] getdents64(3 [pid 308] <... umount2 resumed>) = 0 [pid 4696] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./835/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4696] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./894/config" [pid 306] newfstatat(AT_FDCWD, "./835/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./835/binderfs" [pid 308] openat(AT_FDCWD, "./894/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4696] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 4 [pid 306] <... unlink resumed>) = 0 [pid 4696] write(3, "1000", 4) = 4 [pid 4696] close(3 [pid 308] fstat(4 [pid 306] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4696] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 308] getdents64(4 [pid 306] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4696] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./835/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4696] <... symlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] close(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./835/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4696] write(1, "executing program\n", 18) = 18 executing program [pid 4696] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./884", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./894/config" [pid 306] openat(AT_FDCWD, "./835/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4696] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./884", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 306] fstat(4 [pid 309] fstat(3 [pid 4696] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] close(3 [pid 306] getdents64(4 [pid 4696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./884/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./894" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] newfstatat(AT_FDCWD, "./884/binderfs" [pid 4696] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4696] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 309] unlink("./884/binderfs" [pid 308] mkdir("./895", 0777 [pid 306] <... close resumed>) = 0 [pid 4696] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] rmdir("./835/config" [pid 4696] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4696] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... mkdir resumed>) = 0 [pid 309] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4696] <... unlinkat resumed>) = 0 [pid 4696] exit_group(0 [pid 306] <... rmdir resumed>) = 0 [pid 4696] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 309] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4696] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./884/config" [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 4698 attached [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4696, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4698 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... close resumed>) = 0 [pid 4698] set_robust_list(0x55556c898760, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./835" [pid 309] openat(AT_FDCWD, "./884/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4698] <... set_robust_list resumed>) = 0 [pid 4698] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(4 [pid 306] mkdir("./836", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4698] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4698] chdir("./895") = 0 [pid 4698] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4698] setpgid(0, 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4698] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./862", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4698] write(3, "1000", 4) = 4 [pid 4698] close(3) = 0 [pid 307] openat(AT_FDCWD, "./862", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4697] set_robust_list(0x55556c898760, 24 [pid 309] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4699 executing program [pid 4697] <... set_robust_list resumed>) = 0 [pid 309] rmdir("./884/config" [pid 307] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4698] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] fstat(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 307] getdents64(3 [pid 4698] write(1, "executing program\n", 18 [pid 309] <... close resumed>) = 0 [pid 4698] <... write resumed>) = 18 [pid 4698] mkdirat(AT_FDCWD, "./config", 0777 [pid 4697] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./884" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4698] <... mkdirat resumed>) = 0 [pid 4697] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./862/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./885", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4698] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./862/binderfs" [pid 4697] chdir("./906" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4697] <... chdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] unlink("./862/binderfs" [pid 4698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4698] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4698] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4700 [pid 307] <... unlink resumed>) = 0 [pid 4697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4698] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4697] <... prctl resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4700 attached ci2-android-6-1/strace-static-x86_64: Process 4699 attached [pid 4698] <... unlinkat resumed>) = 0 [pid 4697] setpgid(0, 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4698] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4697] <... setpgid resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./862/config" [pid 4698] <... unlinkat resumed>) = 0 [pid 4697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4698] exit_group(0 [pid 307] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4698] <... exit_group resumed>) = ? [pid 4698] +++ exited with 0 +++ [pid 4697] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4697] write(3, "1000", 4 [pid 307] openat(AT_FDCWD, "./862/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4697] <... write resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4698, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4697] close(3 [pid 307] <... openat resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(4 [pid 4697] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4699] set_robust_list(0x55556c898760, 24 [pid 4697] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(4 [pid 4699] <... set_robust_list resumed>) = 0 [pid 4699] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4699] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 4699] chdir("./836" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4697] <... symlink resumed>) = 0 [pid 307] close(4 [pid 4699] <... chdir resumed>) = 0 [pid 4697] write(1, "executing program\n", 18 [pid 307] <... close resumed>) = 0 [pid 4699] prctl(PR_SET_PDEATHSIG, SIGKILL executing program executing program [pid 307] rmdir("./862/config" [pid 4697] <... write resumed>) = 18 [pid 4699] <... prctl resumed>) = 0 [pid 4699] setpgid(0, 0) = 0 [pid 4699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 4697] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] getdents64(3 [pid 4699] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4699] <... write resumed>) = 4 [pid 307] close(3 [pid 4699] close(3 [pid 307] <... close resumed>) = 0 [pid 4699] <... close resumed>) = 0 [pid 307] rmdir("./862" [pid 4699] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4699] write(1, "executing program\n", 18 [pid 307] mkdir("./863", 0777 [pid 4699] <... write resumed>) = 18 [pid 4699] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4697] <... mkdirat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4699] mount(NULL, "./config", "configfs", 0, NULL [pid 4697] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4699] <... mount resumed>) = 0 [pid 4697] <... mount resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4699] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4699] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4700] set_robust_list(0x55556c898760, 24) = 0 [pid 4700] rt_sigprocmask(SIG_SETMASK, [] [pid 4699] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4697] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4701 [pid 4699] <... symlinkat resumed>) = 0 [pid 4697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4700] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4700] chdir("./885" [pid 4697] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4699] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4697] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4700] <... chdir resumed>) = 0 [pid 4699] <... unlinkat resumed>) = 0 [pid 4700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4700] setpgid(0, 0) = 0 [pid 4700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4699] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4700] <... openat resumed>) = 3 [pid 4699] exit_group(0 [pid 4700] write(3, "1000", 4 [pid 4697] <... mkdirat resumed>) = 0 [pid 4699] <... exit_group resumed>) = ? [pid 4700] <... write resumed>) = 4 [pid 4699] +++ exited with 0 +++ [pid 4697] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4700] close(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4699, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4700] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4697] <... symlinkat resumed>) = 0 [pid 4700] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4697] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4700] write(1, "executing program\n", 18) = 18 executing program [pid 4700] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4697] <... unlinkat resumed>) = 0 [pid 4700] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4697] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4700] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4700] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4700] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4700] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4700] exit_group(0 [pid 4697] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4700] <... exit_group resumed>) = ? [pid 4700] +++ exited with 0 +++ [pid 4697] exit_group(0) = ? [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4700, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4701 attached [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4701] set_robust_list(0x55556c898760, 24) = 0 [pid 4701] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4701] chdir("./863") = 0 [pid 4697] +++ exited with 0 +++ [pid 4701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4697, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4701] <... prctl resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4701] setpgid(0, 0) = 0 [pid 4701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4701] write(3, "1000", 4) = 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 4701] close(3) = 0 [pid 4701] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] umount2("./906", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./906", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4701] write(1, "executing program\n", 18) = 18 [pid 4701] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 308] umount2("./895", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./836", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./885", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 310] getdents64(3 [pid 308] openat(AT_FDCWD, "./895", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./885", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./836", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4701] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 310] umount2("./906/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 308] fstat(3 [pid 306] fstat(3 [pid 4701] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4701] <... mount resumed>) = 0 [pid 4701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./906/binderfs" [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4701] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] unlink("./906/binderfs" [pid 309] umount2("./885/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./895/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./836/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4701] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./885/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./836/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./895/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 309] unlink("./885/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4701] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./836/binderfs" [pid 4701] <... mkdirat resumed>) = 0 [pid 310] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 308] unlink("./895/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4701] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] newfstatat(AT_FDCWD, "./906/config" [pid 308] <... unlink resumed>) = 0 [pid 306] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 310] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4701] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./885/config" [pid 306] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./906/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4701] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] fstat(4 [pid 309] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./895/config" [pid 306] newfstatat(AT_FDCWD, "./836/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./885/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 4 [pid 306] umount2("./836/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./895/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(4 [pid 309] getdents64(4 [pid 306] openat(AT_FDCWD, "./836/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] rmdir("./906/config" [pid 306] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 309] getdents64(4 [pid 4701] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4701] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(4 [pid 310] getdents64(3 [pid 309] close(4 [pid 308] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] close(3 [pid 309] rmdir("./885/config" [pid 308] getdents64(4 [pid 306] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 4701] <... exit_group resumed>) = ? [pid 4701] +++ exited with 0 +++ [pid 310] rmdir("./906" [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 306] getdents64(4 [pid 310] mkdir("./907", 0777 [pid 309] close(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] rmdir("./885" [pid 308] rmdir("./895/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./886", 0777 [pid 306] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./836/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4702 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4702 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4703 [pid 308] close(3 [pid 306] getdents64(3 [pid 4702] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4702] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4702] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./895" [pid 306] close(3 [pid 4702] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4703 attached [pid 4703] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4702] chdir("./907" [pid 308] mkdir("./896", 0777 [pid 4702] <... chdir resumed>) = 0 [pid 306] rmdir("./836" [pid 4703] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 4703] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 4702] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./837", 0777 [pid 4702] <... prctl resumed>) = 0 [pid 4703] chdir("./886") = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 4702] setpgid(0, 0 [pid 4703] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4703] setpgid(0, 0) = 0 [pid 4703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 4704 attached [pid 4702] <... setpgid resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4704 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4704] set_robust_list(0x55556c898760, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4703] <... openat resumed>) = 3 [pid 4703] write(3, "1000", 4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4705 [pid 4704] <... set_robust_list resumed>) = 0 [pid 4702] <... openat resumed>) = 3 [pid 4704] rt_sigprocmask(SIG_SETMASK, [] [pid 4702] write(3, "1000", 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4704] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4702] <... write resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4704] chdir("./896" [pid 4702] close(3 [pid 4704] <... chdir resumed>) = 0 [pid 4702] <... close resumed>) = 0 [pid 4704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4702] symlink("/dev/binderfs", "./binderfs" [pid 4704] <... prctl resumed>) = 0 [pid 4703] <... write resumed>) = 4 [pid 4704] setpgid(0, 0 [pid 4702] <... symlink resumed>) = 0 [pid 4704] <... setpgid resumed>) = 0 executing program [pid 4702] write(1, "executing program\n", 18 [pid 4704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4702] <... write resumed>) = 18 [pid 4702] mkdirat(AT_FDCWD, "./config", 0777 [pid 4703] close(3) = 0 [pid 4703] symlink("/dev/binderfs", "./binderfs" [pid 4704] <... openat resumed>) = 3 [pid 4703] <... symlink resumed>) = 0 [pid 4702] <... mkdirat resumed>) = 0 [pid 4704] write(3, "1000", 4 [pid 4702] mount(NULL, "./config", "configfs", 0, NULL [pid 4704] <... write resumed>) = 4 [pid 4704] close(3 [pid 4702] <... mount resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4704] <... close resumed>) = 0 [pid 4704] symlink("/dev/binderfs", "./binderfs" [pid 4702] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] umount2("./863", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4702] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4704] <... symlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./863", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3 [pid 4704] write(1, "executing program\n", 18 [pid 4702] <... mkdirat resumed>) = 0 [pid 4704] <... write resumed>) = 18 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4702] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] getdents64(3 executing program [pid 4703] write(1, "executing program\n", 18 [pid 4704] mkdirat(AT_FDCWD, "./config", 0777 [pid 4702] <... symlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4702] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./863/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4703] <... write resumed>) = 18 [pid 4703] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4702] <... unlinkat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./863/binderfs" [pid 4702] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 4704] <... mkdirat resumed>) = 0 [pid 4703] <... mkdirat resumed>) = 0 [pid 4702] <... unlinkat resumed>) = 0 [pid 307] unlink("./863/binderfs" [pid 4703] mount(NULL, "./config", "configfs", 0, NULL [pid 4702] exit_group(0 [pid 307] <... unlink resumed>) = 0 [pid 4704] mount(NULL, "./config", "configfs", 0, NULL [pid 4702] <... exit_group resumed>) = ? [pid 307] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4703] <... mount resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4703] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4702] +++ exited with 0 +++ [pid 307] newfstatat(AT_FDCWD, "./863/config" [pid 4704] <... mount resumed>) = 0 [pid 4703] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4702, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4704] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] openat(AT_FDCWD, "./863/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4704] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4704] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4703] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... openat resumed>) = 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 4704] <... mkdirat resumed>) = 0 [pid 307] fstat(4 [pid 4703] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4704] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4703] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4704] <... symlinkat resumed>) = 0 [pid 4703] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./907", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4704] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4703] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 310] openat(AT_FDCWD, "./907", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4704] <... unlinkat resumed>) = 0 [pid 4703] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4704] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(3 [pid 4703] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 4704] <... unlinkat resumed>) = 0 [pid 4703] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4704] exit_group(0 [pid 4703] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] close(4 [pid 4704] <... exit_group resumed>) = ? [pid 4703] <... exit_group resumed>) = ? [pid 310] umount2("./907/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4705 attached [pid 4704] +++ exited with 0 +++ [pid 4703] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./863/config" [pid 4705] set_robust_list(0x55556c898760, 24 [pid 310] newfstatat(AT_FDCWD, "./907/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4704, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4705] <... set_robust_list resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rmdir resumed>) = 0 [pid 310] unlink("./907/binderfs" [pid 307] getdents64(3 [pid 310] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 307] close(3 [pid 4705] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4705] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./863" [pid 310] newfstatat(AT_FDCWD, "./907/config" [pid 308] umount2("./896", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4705] chdir("./837" [pid 307] <... rmdir resumed>) = 0 [pid 4705] <... chdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./864", 0777 [pid 308] openat(AT_FDCWD, "./896", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4705] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4705] setpgid(0, 0 [pid 307] <... mkdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(3 [pid 310] openat(AT_FDCWD, "./907/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] getdents64(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(4 [pid 4705] <... setpgid resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 4706 attached [pid 310] getdents64(4 [pid 308] umount2("./896/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4706 [pid 4706] set_robust_list(0x55556c898760, 24 [pid 4705] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4706] <... set_robust_list resumed>) = 0 [pid 4705] write(3, "1000", 4 [pid 310] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./896/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 308] unlink("./896/binderfs" [pid 310] <... close resumed>) = 0 [pid 4706] rt_sigprocmask(SIG_SETMASK, [] [pid 4705] <... write resumed>) = 4 [pid 310] rmdir("./907/config" [pid 308] <... unlink resumed>) = 0 [pid 4706] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4705] close(3) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 4706] chdir("./864" [pid 4705] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4706] <... chdir resumed>) = 0 [pid 310] close(3 [pid 308] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4705] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4706] <... prctl resumed>) = 0 [pid 310] rmdir("./907" [pid 4706] setpgid(0, 0 [pid 308] newfstatat(AT_FDCWD, "./896/config" [pid 4705] write(1, "executing program\n", 18 [pid 4706] <... setpgid resumed>) = 0 [pid 4705] <... write resumed>) = 18 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./908", 0777 executing program [pid 308] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4705] mkdirat(AT_FDCWD, "./config", 0777 [pid 4706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4705] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./896/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] fstat(4 [pid 4705] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4706] <... openat resumed>) = 3 [pid 4705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4706] write(3, "1000", 4 [pid 4705] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4707 [pid 4706] <... write resumed>) = 4 [pid 4705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 4706] close(3 [pid 4705] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4706] <... close resumed>) = 0 [pid 4705] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4706] symlink("/dev/binderfs", "./binderfs" [pid 4705] <... mkdirat resumed>) = 0 [pid 309] umount2("./886", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4705] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4707 attached [pid 4706] <... symlink resumed>) = 0 [pid 4705] <... symlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./886", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4707] set_robust_list(0x55556c898760, 24 [pid 4706] write(1, "executing program\n", 18 executing program [pid 4705] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4707] <... set_robust_list resumed>) = 0 [pid 4706] <... write resumed>) = 18 [pid 4705] <... unlinkat resumed>) = 0 [pid 309] fstat(3 [pid 4707] rt_sigprocmask(SIG_SETMASK, [] [pid 4706] mkdirat(AT_FDCWD, "./config", 0777 [pid 4705] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 4707] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4706] <... mkdirat resumed>) = 0 [pid 4705] <... unlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 4707] chdir("./908" [pid 4706] mount(NULL, "./config", "configfs", 0, NULL [pid 4705] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... close resumed>) = 0 [pid 4707] <... chdir resumed>) = 0 [pid 4706] <... mount resumed>) = 0 [pid 4705] <... exit_group resumed>) = ? [pid 309] umount2("./886/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4705] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./896/config" [pid 4707] <... prctl resumed>) = 0 [pid 4706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./886/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4707] setpgid(0, 0 [pid 4706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] unlink("./886/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4705, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4707] <... setpgid resumed>) = 0 [pid 4706] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 4707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4706] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 4707] <... openat resumed>) = 3 [pid 4706] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4707] write(3, "1000", 4 [pid 4706] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4707] <... write resumed>) = 4 [pid 4706] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4707] close(3 [pid 4706] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] newfstatat(AT_FDCWD, "./886/config" [pid 308] close(3 [pid 306] umount2("./837", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4707] <... close resumed>) = 0 [pid 4706] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4707] symlink("/dev/binderfs", "./binderfs" [pid 4706] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4707] <... symlink resumed>) = 0 [pid 4706] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4707] write(1, "executing program\n", 18 [pid 4706] exit_group(0 [pid 309] openat(AT_FDCWD, "./886/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./896" [pid 306] openat(AT_FDCWD, "./837", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4707] <... write resumed>) = 18 [pid 4706] <... exit_group resumed>) = ? [pid 309] <... openat resumed>) = 4 executing program [pid 4707] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] fstat(4 [pid 308] <... rmdir resumed>) = 0 [pid 4707] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 308] mkdir("./897", 0777 [pid 4707] mount(NULL, "./config", "configfs", 0, NULL [pid 4706] +++ exited with 0 +++ [pid 309] getdents64(4 [pid 306] fstat(3 [pid 4707] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... mkdir resumed>) = 0 [pid 4707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4707] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4706, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 4707] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4707] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rmdir("./886/config" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4707] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./837/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4708 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4707] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./837/binderfs" [pid 309] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 306] unlink("./837/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4708 attached [pid 4707] <... symlinkat resumed>) = 0 [pid 309] rmdir("./886" [pid 4708] set_robust_list(0x55556c898760, 24 [pid 4707] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4708] <... set_robust_list resumed>) = 0 [pid 4707] <... unlinkat resumed>) = 0 [pid 309] mkdir("./887", 0777 [pid 4708] rt_sigprocmask(SIG_SETMASK, [] [pid 4707] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... mkdir resumed>) = 0 [pid 306] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4708] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4707] <... unlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4708] chdir("./897" [pid 4707] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4708] <... chdir resumed>) = 0 [pid 4707] <... exit_group resumed>) = ? [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4709 attached [pid 4708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4707] +++ exited with 0 +++ [pid 306] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4709] set_robust_list(0x55556c898760, 24 [pid 4708] <... prctl resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4707, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4709 [pid 4709] <... set_robust_list resumed>) = 0 [pid 4708] setpgid(0, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4709] rt_sigprocmask(SIG_SETMASK, [] [pid 4708] <... setpgid resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4709] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] newfstatat(AT_FDCWD, "./837/config" [pid 4709] chdir("./887" [pid 4708] <... openat resumed>) = 3 [pid 4709] <... chdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4708] write(3, "1000", 4 [pid 4709] <... prctl resumed>) = 0 [pid 306] umount2("./837/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4708] <... write resumed>) = 4 [pid 307] umount2("./864", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4709] setpgid(0, 0 [pid 4708] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4708] <... close resumed>) = 0 [pid 4708] symlink("/dev/binderfs", "./binderfs" [pid 306] openat(AT_FDCWD, "./837/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4709] <... setpgid resumed>) = 0 [pid 4708] <... symlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./864", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 4 [pid 4709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4708] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 3 [pid 306] fstat(4 [pid 307] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4709] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 4709] write(3, "1000", 4 [pid 307] getdents64(3 [pid 4709] <... write resumed>) = 4 executing program [pid 4708] <... write resumed>) = 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4709] close(3 [pid 4708] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] umount2("./864/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4709] <... close resumed>) = 0 [pid 4708] <... mkdirat resumed>) = 0 [pid 4709] symlink("/dev/binderfs", "./binderfs" [pid 4708] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4709] <... symlink resumed>) = 0 [pid 4708] <... mount resumed>) = 0 executing program [pid 4709] write(1, "executing program\n", 18 [pid 4708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] newfstatat(AT_FDCWD, "./864/binderfs" [pid 306] close(4 [pid 4709] <... write resumed>) = 18 [pid 4708] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./908", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4709] mkdirat(AT_FDCWD, "./config", 0777 [pid 4708] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] unlink("./864/binderfs" [pid 306] rmdir("./837/config" [pid 4708] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] openat(AT_FDCWD, "./908", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4708] <... mkdirat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4708] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 3 [pid 307] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 4709] <... mkdirat resumed>) = 0 [pid 4708] <... symlinkat resumed>) = 0 [pid 310] fstat(3 [pid 4709] mount(NULL, "./config", "configfs", 0, NULL [pid 4708] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4709] <... mount resumed>) = 0 [pid 4708] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4708] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 4709] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4708] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 4709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4708] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 4709] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4708] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] newfstatat(AT_FDCWD, "./864/config" [pid 306] rmdir("./837" [pid 4709] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4708] +++ exited with 0 +++ [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./908/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./908/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./908/binderfs" [pid 307] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4709] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4708, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./838", 0777 [pid 4709] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] openat(AT_FDCWD, "./864/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4709] <... symlinkat resumed>) = 0 [pid 310] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 4709] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4709] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./908/config" [pid 307] fstat(4 [pid 4709] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4709] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./908/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4710 attached [pid 4709] exit_group(0 [pid 310] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4710] set_robust_list(0x55556c898760, 24 [pid 4709] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4710 [pid 4710] <... set_robust_list resumed>) = 0 [pid 310] getdents64(4 [pid 307] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4710] rt_sigprocmask(SIG_SETMASK, [] [pid 4709] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 307] close(4 [pid 4710] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./908/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4709, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4710] chdir("./838" [pid 310] <... rmdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... close resumed>) = 0 [pid 4710] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 4710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./864/config" [pid 4710] <... prctl resumed>) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./908" [pid 307] <... rmdir resumed>) = 0 [pid 4710] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4710] <... setpgid resumed>) = 0 [pid 310] mkdir("./909", 0777 [pid 307] getdents64(3 [pid 4710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 4710] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4710] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4710] <... write resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] close(3ci2-android-6-1/strace-static-x86_64: Process 4711 attached [pid 4710] close(3 [pid 308] umount2("./897", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4711] set_robust_list(0x55556c898760, 24 [pid 4710] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4711 [pid 307] <... close resumed>) = 0 [pid 4711] <... set_robust_list resumed>) = 0 [pid 4710] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./864" [pid 4710] <... symlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./897", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 4710] write(1, "executing program\n", 18 [pid 307] mkdir("./865", 0777 [pid 308] fstat(3 [pid 4711] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 4711] chdir("./909" [pid 4710] <... write resumed>) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4711] <... chdir resumed>) = 0 [pid 4710] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./897/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4711] <... prctl resumed>) = 0 [pid 4711] setpgid(0, 0) = 0 [pid 308] newfstatat(AT_FDCWD, "./897/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4712 attached [pid 4711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4710] <... mkdirat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4712 [pid 4712] set_robust_list(0x55556c898760, 24 [pid 4710] mount(NULL, "./config", "configfs", 0, NULL [pid 308] unlink("./897/binderfs" [pid 4712] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4712] rt_sigprocmask(SIG_SETMASK, [] [pid 4711] <... openat resumed>) = 3 [pid 4710] <... mount resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4712] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4711] write(3, "1000", 4 [pid 4710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4712] chdir("./865" [pid 4710] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4712] <... chdir resumed>) = 0 [pid 4711] <... write resumed>) = 4 [pid 4710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 4712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4711] close(3 [pid 4710] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 308] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4712] <... prctl resumed>) = 0 [pid 4711] <... close resumed>) = 0 [pid 4710] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4712] setpgid(0, 0 [pid 4711] symlink("/dev/binderfs", "./binderfs" [pid 4710] <... mkdirat resumed>) = 0 [pid 4712] <... setpgid resumed>) = 0 [pid 4711] <... symlink resumed>) = 0 [pid 4710] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./887", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./897/config" [pid 4712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4711] write(1, "executing program\n", 18 [pid 4710] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4712] <... openat resumed>) = 3 [pid 4711] <... write resumed>) = 18 [pid 4710] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] openat(AT_FDCWD, "./887", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4712] write(3, "1000", 4 [pid 4711] mkdirat(AT_FDCWD, "./config", 0777 [pid 4710] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 4712] <... write resumed>) = 4 [pid 4711] <... mkdirat resumed>) = 0 [pid 4710] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(3 [pid 308] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4712] close(3 [pid 4711] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4712] <... close resumed>) = 0 [pid 4711] <... mount resumed>) = 0 [pid 4710] <... unlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4712] symlink("/dev/binderfs", "./binderfs" [pid 4711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4710] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4712] <... symlink resumed>) = 0 [pid 4711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4710] <... exit_group resumed>) = ? [pid 309] umount2("./887/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./897/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4712] write(1, "executing program\n", 18 [pid 4711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4711] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4710] +++ exited with 0 +++ executing program [pid 309] newfstatat(AT_FDCWD, "./887/binderfs" [pid 4712] <... write resumed>) = 18 [pid 4711] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 4 [pid 4712] mkdirat(AT_FDCWD, "./config", 0777 [pid 4711] <... mkdirat resumed>) = 0 [pid 309] unlink("./887/binderfs" [pid 4712] <... mkdirat resumed>) = 0 [pid 4711] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... unlink resumed>) = 0 [pid 308] fstat(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4712] mount(NULL, "./config", "configfs", 0, NULL [pid 4711] <... symlinkat resumed>) = 0 [pid 309] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4712] <... mount resumed>) = 0 [pid 4711] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./838", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4711] <... unlinkat resumed>) = 0 [pid 309] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4712] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4711] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4711] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./887/config" [pid 4712] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4711] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] openat(AT_FDCWD, "./838", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4712] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4711] <... exit_group resumed>) = ? [pid 309] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4712] <... mkdirat resumed>) = 0 [pid 4711] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 306] <... openat resumed>) = 3 [pid 4712] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] openat(AT_FDCWD, "./887/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4712] <... symlinkat resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4711, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 4712] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] fstat(4 [pid 4712] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4712] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4712] <... unlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 309] getdents64(4 [pid 308] rmdir("./897/config" [pid 4712] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] close(4 [pid 4712] <... exit_group resumed>) = ? [pid 309] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./838/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./887/config" [pid 308] getdents64(3 [pid 4712] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./838/binderfs" [pid 309] close(3 [pid 308] close(3 [pid 309] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./887" [pid 308] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] unlink("./838/binderfs" [pid 309] mkdir("./888", 0777 [pid 308] rmdir("./897" [pid 309] <... mkdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4713 attached [pid 308] mkdir("./898", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4713 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4713] set_robust_list(0x55556c898760, 24 [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4713] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4713] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./838/config" [pid 4713] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4713] chdir("./888") = 0 [pid 4713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./838/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4714 ci2-android-6-1/strace-static-x86_64: Process 4714 attached [pid 4714] set_robust_list(0x55556c898760, 24 [pid 4713] <... prctl resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4714] <... set_robust_list resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./838/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4714] rt_sigprocmask(SIG_SETMASK, [] [pid 4713] setpgid(0, 0 [pid 306] <... openat resumed>) = 4 [pid 4714] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(4 [pid 4714] chdir("./898" [pid 4713] <... setpgid resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4714] <... chdir resumed>) = 0 [pid 4713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] getdents64(4 [pid 4714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4713] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4714] setpgid(0, 0 [pid 4713] write(3, "1000", 4 [pid 306] getdents64(4 [pid 4714] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4713] <... write resumed>) = 4 [pid 306] close(4 [pid 4713] close(3 [pid 306] <... close resumed>) = 0 [pid 4713] <... close resumed>) = 0 [pid 306] rmdir("./838/config" [pid 4714] <... openat resumed>) = 3 [pid 4713] symlink("/dev/binderfs", "./binderfs" [pid 4714] write(3, "1000", 4 [pid 4713] <... symlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4714] <... write resumed>) = 4 [pid 306] getdents64(3 [pid 4714] close(3) = 0 [pid 4713] write(1, "executing program\n", 18 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4714] symlink("/dev/binderfs", "./binderfs" executing program [pid 306] close(3 [pid 4713] <... write resumed>) = 18 [pid 306] <... close resumed>) = 0 [pid 4714] <... symlink resumed>) = 0 [pid 4713] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] rmdir("./838" executing program [pid 4714] write(1, "executing program\n", 18) = 18 [pid 4713] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4713] mount(NULL, "./config", "configfs", 0, NULL [pid 4714] mkdirat(AT_FDCWD, "./config", 0777 [pid 4713] <... mount resumed>) = 0 [pid 306] mkdir("./839", 0777 [pid 4713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./909", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4713] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./909", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 [pid 4714] <... mkdirat resumed>) = 0 [pid 4713] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 4714] mount(NULL, "./config", "configfs", 0, NULL [pid 4713] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4714] <... mount resumed>) = 0 [pid 4713] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4713] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4714] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4713] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4713] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./909/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4713] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4713] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./909/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4715 attached [pid 4714] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4713] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4715 [pid 4715] set_robust_list(0x55556c898760, 24 [pid 4714] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4713] exit_group(0 [pid 310] unlink("./909/binderfs" [pid 4715] <... set_robust_list resumed>) = 0 [pid 4714] <... mkdirat resumed>) = 0 [pid 4713] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4715] rt_sigprocmask(SIG_SETMASK, [] [pid 4714] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4713] +++ exited with 0 +++ [pid 310] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4715] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4714] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./865", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4715] chdir("./839" [pid 4714] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4715] <... chdir resumed>) = 0 [pid 4714] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4714] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./909/config" [pid 4715] <... prctl resumed>) = 0 [pid 4714] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./865", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4715] setpgid(0, 0 [pid 4714] exit_group(0 [pid 310] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./888", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4715] <... setpgid resumed>) = 0 [pid 4714] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 4715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4714] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./909/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./888", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4715] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4714, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] fstat(3 [pid 4715] write(3, "1000", 4 [pid 310] fstat(4 [pid 309] fstat(3 [pid 4715] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4715] close(3 [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 4715] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 4715] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(4 [pid 309] umount2("./888/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./898", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4715] <... symlink resumed>) = 0 [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./888/binderfs" [pid 4715] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./865/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4715] <... write resumed>) = 18 [pid 310] rmdir("./909/config" [pid 309] unlink("./888/binderfs" [pid 308] openat(AT_FDCWD, "./898", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4715] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./865/binderfs" [pid 4715] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] fstat(3 [pid 4715] mount(NULL, "./config", "configfs", 0, NULL [pid 310] close(3 [pid 309] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4715] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rmdir("./909" [pid 309] newfstatat(AT_FDCWD, "./888/config" [pid 307] unlink("./865/binderfs" [pid 4715] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 4715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] mkdir("./910", 0777 [pid 309] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 4715] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4715] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./888/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4715] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] umount2("./898/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(4 [pid 4715] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4716 attached [pid 4715] <... symlinkat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4716 [pid 309] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./898/binderfs" [pid 4716] set_robust_list(0x55556c898760, 24 [pid 4715] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4716] <... set_robust_list resumed>) = 0 [pid 4715] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4716] rt_sigprocmask(SIG_SETMASK, [] [pid 4715] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4716] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4715] <... unlinkat resumed>) = 0 [pid 309] close(4 [pid 308] unlink("./898/binderfs" [pid 307] newfstatat(AT_FDCWD, "./865/config" [pid 4716] chdir("./910" [pid 4715] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./888/config" [pid 308] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4716] <... chdir resumed>) = 0 [pid 4715] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] rmdir("./888" [pid 307] openat(AT_FDCWD, "./865/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4716] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4715] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 4716] <... prctl resumed>) = 0 [pid 309] mkdir("./889", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 4716] setpgid(0, 0 [pid 309] <... mkdir resumed>) = 0 [pid 4716] <... setpgid resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] newfstatat(AT_FDCWD, "./898/config" [pid 307] fstat(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4715, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4717 attached [pid 4716] <... openat resumed>) = 3 [pid 308] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 4717] set_robust_list(0x55556c898760, 24 [pid 4716] write(3, "1000", 4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4717 [pid 4717] <... set_robust_list resumed>) = 0 [pid 4716] <... write resumed>) = 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4717] rt_sigprocmask(SIG_SETMASK, [] [pid 4716] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./898/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 4717] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4716] <... close resumed>) = 0 [pid 4717] chdir("./889" [pid 4716] symlink("/dev/binderfs", "./binderfs" [pid 308] <... openat resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] fstat(4 [pid 307] close(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 307] rmdir("./865/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4717] <... chdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 307] close(3 [pid 4717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4716] <... symlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 308] rmdir("./898/config" [pid 4716] write(1, "executing program\n", 18 [pid 307] rmdir("./865" [pid 4717] <... prctl resumed>) = 0 [pid 4717] setpgid(0, 0 [pid 308] <... rmdir resumed>) = 0 [pid 4717] <... setpgid resumed>) = 0 [pid 4717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4716] <... write resumed>) = 18 [pid 308] getdents64(3 [pid 307] <... rmdir resumed>) = 0 executing program [pid 4717] <... openat resumed>) = 3 [pid 4716] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] mkdir("./866", 0777 [pid 308] close(3 [pid 4717] write(3, "1000", 4) = 4 [pid 4717] close(3 [pid 307] <... mkdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./898" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4717] <... close resumed>) = 0 [pid 4717] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4717] <... symlink resumed>) = 0 [pid 308] mkdir("./899", 0777 executing program [pid 4717] write(1, "executing program\n", 18) = 18 [pid 4717] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4718 attached ) = 0 [pid 4716] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4718 [pid 4718] set_robust_list(0x55556c898760, 24 [pid 4716] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4718] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4717] mount(NULL, "./config", "configfs", 0, NULL [pid 4716] <... mount resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4718] rt_sigprocmask(SIG_SETMASK, [] [pid 4717] <... mount resumed>) = 0 [pid 4716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4718] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4716] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4717] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4717] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4719 [pid 306] umount2("./839", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4719 attached [pid 4718] chdir("./866" [pid 4716] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4719] set_robust_list(0x55556c898760, 24 [pid 4718] <... chdir resumed>) = 0 [pid 4717] <... mkdirat resumed>) = 0 [pid 4716] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4719] <... set_robust_list resumed>) = 0 [pid 4718] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4716] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4718] <... prctl resumed>) = 0 [pid 4716] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] openat(AT_FDCWD, "./839", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4718] setpgid(0, 0 [pid 4719] rt_sigprocmask(SIG_SETMASK, [] [pid 4718] <... setpgid resumed>) = 0 [pid 4717] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4716] <... symlinkat resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4719] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4716] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] fstat(3 [pid 4718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4717] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4716] <... unlinkat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4719] chdir("./899" [pid 4718] <... openat resumed>) = 3 [pid 4716] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4719] <... chdir resumed>) = 0 [pid 4718] write(3, "1000", 4 [pid 306] getdents64(3 [pid 4717] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4716] <... unlinkat resumed>) = 0 [pid 4719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4718] <... write resumed>) = 4 [pid 4717] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4719] <... prctl resumed>) = 0 [pid 4718] close(3 [pid 4717] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4716] exit_group(0 [pid 4719] setpgid(0, 0 [pid 4718] <... close resumed>) = 0 [pid 4717] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] umount2("./839/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4719] <... setpgid resumed>) = 0 [pid 4718] symlink("/dev/binderfs", "./binderfs" [pid 4717] exit_group(0 [pid 4716] <... exit_group resumed>) = ? [pid 4717] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4717] +++ exited with 0 +++ [pid 4718] <... symlink resumed>) = 0 [pid 4716] +++ exited with 0 +++ [pid 4719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] newfstatat(AT_FDCWD, "./839/binderfs" [pid 4719] <... openat resumed>) = 3 [pid 4718] write(1, "executing program\n", 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4716, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4717, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4719] write(3, "1000", 4 [pid 4718] <... write resumed>) = 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4719] <... write resumed>) = 4 [pid 4718] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] unlink("./839/binderfs" [pid 4719] close(3) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4719] symlink("/dev/binderfs", "./binderfs" [pid 306] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4719] <... symlink resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4718] <... mkdirat resumed>) = 0 [pid 306] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4718] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4719] write(1, "executing program\n", 18 [pid 4718] <... mount resumed>) = 0 executing program [pid 306] newfstatat(AT_FDCWD, "./839/config" [pid 4719] <... write resumed>) = 18 [pid 4718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4719] mkdirat(AT_FDCWD, "./config", 0777 [pid 4718] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./839/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4719] <... mkdirat resumed>) = 0 [pid 4718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4719] mount(NULL, "./config", "configfs", 0, NULL [pid 4718] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] openat(AT_FDCWD, "./839/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4718] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4719] <... mount resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4718] <... mkdirat resumed>) = 0 [pid 306] fstat(4 [pid 4718] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4718] <... symlinkat resumed>) = 0 [pid 306] getdents64(4 [pid 4719] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4718] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] getdents64(4 [pid 4719] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4718] <... unlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4719] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4718] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] close(4 [pid 4719] <... mkdirat resumed>) = 0 [pid 4718] <... unlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4719] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4718] exit_group(0 [pid 306] rmdir("./839/config" [pid 4718] <... exit_group resumed>) = ? [pid 4719] <... symlinkat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4719] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4718] +++ exited with 0 +++ [pid 306] getdents64(3 [pid 4719] <... unlinkat resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4718, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4719] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... restart_syscall resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3 [pid 4719] <... unlinkat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4719] exit_group(0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4719] <... exit_group resumed>) = ? [pid 310] umount2("./910", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4719] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./889", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./839" [pid 310] openat(AT_FDCWD, "./910", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4719, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./889", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 309] <... openat resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 307] umount2("./866", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] mkdir("./840", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 308] umount2("./899", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./910/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./889/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./866", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./910/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./899", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./889/binderfs" [pid 307] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] unlink("./910/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./889/binderfs" [pid 307] fstat(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 308] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 307] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4720 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./910/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4720] set_robust_list(0x55556c898760, 24 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./889/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./866/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4720 [pid 4720] <... set_robust_list resumed>) = 0 [pid 310] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./899/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4720] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./866/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4720] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./910/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./899/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4720] chdir("./840" [pid 310] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./889/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(4 [pid 309] <... openat resumed>) = 4 [pid 308] unlink("./899/binderfs" [pid 307] unlink("./866/binderfs" [pid 4720] <... chdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(4 [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 308] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4720] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] close(4 [pid 4720] setpgid(0, 0 [pid 310] rmdir("./910/config" [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 4720] <... setpgid resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./889/config" [pid 4720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./899/config" [pid 307] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4720] <... openat resumed>) = 3 [pid 310] rmdir("./910" [pid 309] <... close resumed>) = 0 [pid 308] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./866/config" [pid 4720] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./889" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4720] <... write resumed>) = 4 [pid 310] mkdir("./911", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./899/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4720] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 309] mkdir("./890", 0777 [pid 4720] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... mkdir resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4720] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4720] <... symlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] openat(AT_FDCWD, "./866/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4720] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4721 executing program [pid 308] getdents64(4 [pid 4720] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4722 [pid 307] <... openat resumed>) = 4 [pid 4720] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(4ci2-android-6-1/strace-static-x86_64: Process 4721 attached [pid 4721] set_robust_list(0x55556c898760, 24 [pid 4720] <... mkdirat resumed>) = 0 [pid 308] getdents64(4 [pid 4720] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4721] <... set_robust_list resumed>) = 0 [pid 4720] <... mount resumed>) = 0 [pid 307] getdents64(4 [pid 4720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 308] rmdir("./899/config" [pid 4720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4721] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 4720] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 4720] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./866/config" [pid 4721] chdir("./911") = 0 [pid 4720] <... mkdirat resumed>) = 0 [pid 4721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4721] setpgid(0, 0) = 0 [pid 4721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 4720] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] close(3 [pid 307] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4721] <... openat resumed>) = 3 [pid 4720] <... symlinkat resumed>) = 0 [pid 307] close(3 [pid 308] rmdir("./899" [pid 307] <... close resumed>) = 0 [pid 4721] write(3, "1000", 4) = 4 [pid 4721] close(3) = 0 [pid 4721] symlink("/dev/binderfs", "./binderfs" [pid 4720] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./866" [pid 4720] <... unlinkat resumed>) = 0 [pid 308] mkdir("./900", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 4720] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] mkdir("./867", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4720] <... unlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4722 attached [pid 4720] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4723 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4723 attached [pid 4722] set_robust_list(0x55556c898760, 24 [pid 4721] <... symlink resumed>) = 0 [pid 4720] <... exit_group resumed>) = ? [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4721] write(1, "executing program\n", 18) = 18 executing program [pid 4721] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4721] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4721] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4720] +++ exited with 0 +++ [pid 4721] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4721] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4721] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4722] <... set_robust_list resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4724 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4720, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4721] exit_group(0) = ? [pid 4723] set_robust_list(0x55556c898760, 24 [pid 4722] rt_sigprocmask(SIG_SETMASK, [] [pid 4721] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4724 attached [pid 4724] set_robust_list(0x55556c898760, 24) = 0 [pid 4724] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4724] chdir("./900") = 0 [pid 4724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4721, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./840", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4724] <... prctl resumed>) = 0 [pid 4724] setpgid(0, 0) = 0 [pid 4724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4724] write(3, "1000", 4) = 4 [pid 4724] close(3) = 0 [pid 4724] symlink("/dev/binderfs", "./binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4724] <... symlink resumed>) = 0 [pid 4724] write(1, "executing program\n", 18) = 18 [pid 4724] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 306] openat(AT_FDCWD, "./840", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 4724] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4724] mount(NULL, "./config", "configfs", 0, NULL [pid 306] umount2("./840/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./840/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4724] <... mount resumed>) = 0 [pid 4724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] unlink("./840/binderfs" [pid 4724] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... unlink resumed>) = 0 [pid 4724] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4722] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./840/config" [pid 4722] chdir("./890" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./840/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4722] <... chdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] openat(AT_FDCWD, "./840/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4724] <... mkdirat resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4722] <... prctl resumed>) = 0 [pid 306] fstat(4 [pid 4724] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4722] setpgid(0, 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 4722] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] getdents64(4 [pid 4722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4724] <... symlinkat resumed>) = 0 [pid 4723] <... set_robust_list resumed>) = 0 [pid 310] umount2("./911", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4722] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./911", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4722] write(3, "1000", 4 [pid 306] rmdir("./840/config" [pid 310] <... openat resumed>) = 3 [pid 4722] <... write resumed>) = 4 [pid 4723] rt_sigprocmask(SIG_SETMASK, [] [pid 4724] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] fstat(3 [pid 4722] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4722] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 4722] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4724] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(3 [pid 310] umount2("./911/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4723] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./911/binderfs" [pid 4724] <... unlinkat resumed>) = 0 [pid 4722] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./840" [pid 4722] write(1, "executing program\n", 18 [pid 310] unlink("./911/binderfs" [pid 4724] exit_group(0 [pid 4723] chdir("./867") = 0 [pid 4723] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4724] <... exit_group resumed>) = ? executing program [pid 4723] setpgid(0, 0 [pid 4724] +++ exited with 0 +++ [pid 4722] <... write resumed>) = 18 [pid 310] <... unlink resumed>) = 0 [pid 306] mkdir("./841", 0777 [pid 310] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4722] mkdirat(AT_FDCWD, "./config", 0777 [pid 4723] <... setpgid resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4724, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = 0 [pid 4723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4723] write(3, "1000", 4 [pid 306] <... mkdir resumed>) = 0 [pid 310] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] newfstatat(AT_FDCWD, "./911/config" [pid 4723] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4723] close(3 [pid 310] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4723] <... close resumed>) = 0 [pid 4723] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4723] write(1, "executing program\n", 18) = 18 [pid 4723] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] openat(AT_FDCWD, "./911/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4723] <... mkdirat resumed>) = 0 [pid 4722] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4725 [pid 310] fstat(4 [pid 4723] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4722] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(4 [pid 4723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 4723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 4722] <... mount resumed>) = 0 [pid 4723] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4722] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 4723] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rmdir("./911/config" [pid 4722] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4723] <... mkdirat resumed>) = 0 [pid 4723] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4722] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 4723] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3 [pid 4722] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4723] <... unlinkat resumed>) = 0 [pid 4722] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4723] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(3 [pid 4722] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4723] <... unlinkat resumed>) = 0 [pid 4722] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 4723] exit_group(0 [pid 310] rmdir("./911" [pid 4723] <... exit_group resumed>) = ? [pid 4723] +++ exited with 0 +++ [pid 4722] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... rmdir resumed>) = 0 [pid 4722] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] mkdir("./912", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4723, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4725 attached [pid 4725] set_robust_list(0x55556c898760, 24) = 0 [pid 4725] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 4725] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4722] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4725] chdir("./841" [pid 4722] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4725] <... chdir resumed>) = 0 [pid 4725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4725] setpgid(0, 0) = 0 [pid 4725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4725] write(3, "1000", 4) = 4 [pid 4725] close(3 [pid 4722] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4726 [pid 4725] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4725] symlink("/dev/binderfs", "./binderfs" [pid 4722] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4725] <... symlink resumed>) = 0 [pid 4722] <... exit_group resumed>) = ? [pid 4725] write(1, "executing program\n", 18) = 18 [pid 4725] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4722] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4722, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4725] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4725] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4725] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4725] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4725] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4725] exit_group(0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] umount2("./890", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./867", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./890", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./867", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 308] umount2("./900", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] openat(AT_FDCWD, "./900", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./890/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 307] umount2("./867/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./890/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./867/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4725] <... exit_group resumed>) = ? [pid 309] unlink("./890/binderfs" [pid 307] unlink("./867/binderfs" [pid 4725] +++ exited with 0 +++ [pid 309] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... unlink resumed>) = 0 [pid 309] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./900/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 309] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./900/binderfs" [pid 307] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4725, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] newfstatat(AT_FDCWD, "./890/config" [pid 308] unlink("./900/binderfs" [pid 307] newfstatat(AT_FDCWD, "./867/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 307] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./890/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./867/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 308] <... umount2 resumed>) = 0 [pid 307] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 307] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./900/config" [pid 307] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 307] close(4 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 309] rmdir("./890/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./867/config" [pid 309] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./900/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./841", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4726 attached [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 4 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4726] set_robust_list(0x55556c898760, 24 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4726] <... set_robust_list resumed>) = 0 [pid 309] close(3 [pid 308] fstat(4 [pid 307] close(3 [pid 306] openat(AT_FDCWD, "./841", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4726] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 4726] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./890" [pid 307] rmdir("./867" [pid 306] <... openat resumed>) = 3 [pid 4726] chdir("./912" [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 4726] <... chdir resumed>) = 0 [pid 309] mkdir("./891", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] mkdir("./868", 0777 [pid 4726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... mkdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4726] <... prctl resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4726] setpgid(0, 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] close(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 4726] <... setpgid resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4727 attached [pid 4726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rmdir("./900/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 4728 attached [pid 4727] set_robust_list(0x55556c898760, 24 [pid 4726] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4727 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4728 [pid 4726] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4726] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4726] close(3) = 0 [pid 4726] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4726] write(1, "executing program\n", 18) = 18 executing program [pid 4726] mkdirat(AT_FDCWD, "./config", 0777 [pid 4727] <... set_robust_list resumed>) = 0 [pid 4726] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./841/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4728] set_robust_list(0x55556c898760, 24 [pid 4727] rt_sigprocmask(SIG_SETMASK, [] [pid 4726] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(3 [pid 4726] <... mount resumed>) = 0 [pid 4726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./841/binderfs" [pid 4726] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4726] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4726] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4726] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4726] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] unlink("./841/binderfs" [pid 308] <... close resumed>) = 0 [pid 4726] exit_group(0) = ? [pid 4728] <... set_robust_list resumed>) = 0 [pid 4727] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4726] +++ exited with 0 +++ [pid 308] rmdir("./900" [pid 306] <... unlink resumed>) = 0 [pid 4728] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 4728] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4727] chdir("./891" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4726, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4728] chdir("./868" [pid 4727] <... chdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] mkdir("./901", 0777 [pid 4728] <... chdir resumed>) = 0 [pid 4727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = 0 [pid 4727] <... prctl resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4728] <... prctl resumed>) = 0 [pid 4727] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4728] setpgid(0, 0 [pid 4727] <... setpgid resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4728] <... setpgid resumed>) = 0 [pid 4727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4727] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./841/config" [pid 4728] <... openat resumed>) = 3 [pid 4727] write(3, "1000", 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4728] write(3, "1000", 4 [pid 4727] <... write resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4728] <... write resumed>) = 4 [pid 4728] close(3) = 0 [pid 4728] symlink("/dev/binderfs", "./binderfs" [pid 4727] close(3 [pid 306] umount2("./841/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4729 attached [pid 4729] set_robust_list(0x55556c898760, 24 [pid 4728] <... symlink resumed>) = 0 [pid 4727] <... close resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4729 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4729] <... set_robust_list resumed>) = 0 [pid 4727] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./841/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4728] write(1, "executing program\n", 18 [pid 4727] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 4 executing program [pid 4729] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4728] <... write resumed>) = 18 executing program [pid 4727] write(1, "executing program\n", 18 [pid 306] fstat(4 [pid 4729] chdir("./901" [pid 4728] mkdirat(AT_FDCWD, "./config", 0777 [pid 4727] <... write resumed>) = 18 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4729] <... chdir resumed>) = 0 [pid 4728] <... mkdirat resumed>) = 0 [pid 4727] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 4729] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4728] mount(NULL, "./config", "configfs", 0, NULL [pid 306] getdents64(4 [pid 4729] <... prctl resumed>) = 0 [pid 4728] <... mount resumed>) = 0 [pid 4727] <... mkdirat resumed>) = 0 [pid 4728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4729] setpgid(0, 0 [pid 4727] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4728] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./912", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4729] <... setpgid resumed>) = 0 [pid 4727] <... mount resumed>) = 0 [pid 4728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] openat(AT_FDCWD, "./912", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(4 [pid 4727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4728] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 4729] <... openat resumed>) = 3 [pid 4728] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 306] rmdir("./841/config" [pid 4729] write(3, "1000", 4 [pid 4727] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4728] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 4729] <... write resumed>) = 4 [pid 4728] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4727] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4729] close(3 [pid 4727] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3 [pid 4729] <... close resumed>) = 0 [pid 310] umount2("./912/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4728] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4727] <... symlinkat resumed>) = 0 [pid 4729] symlink("/dev/binderfs", "./binderfs" executing program [pid 4728] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4729] <... symlink resumed>) = 0 [pid 4727] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./912/binderfs" [pid 306] close(3 [pid 4729] write(1, "executing program\n", 18 [pid 4727] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4729] <... write resumed>) = 18 [pid 4727] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... close resumed>) = 0 [pid 310] unlink("./912/binderfs" [pid 4728] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4727] <... unlinkat resumed>) = 0 [pid 4729] mkdirat(AT_FDCWD, "./config", 0777 [pid 4728] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 306] rmdir("./841" [pid 4729] <... mkdirat resumed>) = 0 [pid 4728] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4727] exit_group(0 [pid 310] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4728] exit_group(0 [pid 4729] mount(NULL, "./config", "configfs", 0, NULL [pid 4728] <... exit_group resumed>) = ? [pid 4727] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4729] <... mount resumed>) = 0 [pid 4728] +++ exited with 0 +++ [pid 310] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4728, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4727] +++ exited with 0 +++ [pid 306] mkdir("./842", 0777 [pid 4729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4729] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./912/config" [pid 306] <... mkdir resumed>) = 0 [pid 4729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4729] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4729] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./912/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4729] <... mkdirat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4730 attached [pid 4729] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 4 [pid 4730] set_robust_list(0x55556c898760, 24 [pid 310] fstat(4 [pid 4730] <... set_robust_list resumed>) = 0 [pid 4729] <... symlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4730 [pid 310] getdents64(4 [pid 4729] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4730] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 4730] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4730] chdir("./842" [pid 4729] <... unlinkat resumed>) = 0 [pid 310] close(4 [pid 4730] <... chdir resumed>) = 0 [pid 4730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4729] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... close resumed>) = 0 [pid 4730] <... prctl resumed>) = 0 [pid 310] rmdir("./912/config" [pid 4730] setpgid(0, 0) = 0 [pid 4729] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 4730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4729] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4730] <... openat resumed>) = 3 [pid 4729] <... exit_group resumed>) = ? [pid 310] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4730] write(3, "1000", 4 [pid 4729] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 4730] <... write resumed>) = 4 [pid 310] rmdir("./912" [pid 4730] close(3 [pid 309] umount2("./891", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./868", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4730] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4729, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4730] symlink("/dev/binderfs", "./binderfs" [pid 310] mkdir("./913", 0777 [pid 309] openat(AT_FDCWD, "./891", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] openat(AT_FDCWD, "./868", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(3 [pid 307] fstat(3 [pid 4730] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4730] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 4730] <... write resumed>) = 18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./891/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./868/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4731 attached [pid 4730] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4731 [pid 309] newfstatat(AT_FDCWD, "./891/binderfs" [pid 307] newfstatat(AT_FDCWD, "./868/binderfs" [pid 4731] set_robust_list(0x55556c898760, 24 [pid 4730] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4731] <... set_robust_list resumed>) = 0 [pid 4730] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./891/binderfs" [pid 307] unlink("./868/binderfs" [pid 4731] rt_sigprocmask(SIG_SETMASK, [] [pid 4730] <... mount resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4731] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4730] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4731] chdir("./913" [pid 4730] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4731] <... chdir resumed>) = 0 [pid 4730] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4730] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4731] <... prctl resumed>) = 0 [pid 4730] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] newfstatat(AT_FDCWD, "./891/config" [pid 307] newfstatat(AT_FDCWD, "./868/config" [pid 4731] setpgid(0, 0 [pid 4730] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4731] <... setpgid resumed>) = 0 [pid 4730] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4730] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4731] <... openat resumed>) = 3 [pid 4730] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] openat(AT_FDCWD, "./891/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./868/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4731] write(3, "1000", 4 [pid 4730] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 4 [pid 4731] <... write resumed>) = 4 [pid 4730] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(4 [pid 307] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4731] close(3 [pid 4730] <... unlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] getdents64(4 [pid 4731] <... close resumed>) = 0 [pid 4730] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4731] symlink("/dev/binderfs", "./binderfs" [pid 4730] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 307] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./901", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 309] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./901", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 4730] +++ exited with 0 +++ [pid 309] rmdir("./891/config" [pid 308] <... openat resumed>) = 3 [pid 307] rmdir("./868/config" [pid 4731] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 307] <... rmdir resumed>) = 0 [pid 4731] write(1, "executing program\n", 18 executing program [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4730, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4731] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4731] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 308] umount2("./901/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 4731] <... mkdirat resumed>) = 0 [pid 309] rmdir("./891" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./868" [pid 4731] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./901/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 309] mkdir("./892", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] mkdir("./869", 0777 [pid 4731] <... mount resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] unlink("./901/binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 4731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4731] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4732 attached ci2-android-6-1/strace-static-x86_64: Process 4733 attached [pid 4731] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = 0 [pid 4732] set_robust_list(0x55556c898760, 24 [pid 4731] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4732 [pid 308] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4733 [pid 4733] set_robust_list(0x55556c898760, 24 [pid 4732] <... set_robust_list resumed>) = 0 [pid 4731] <... mkdirat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4733] <... set_robust_list resumed>) = 0 [pid 4732] rt_sigprocmask(SIG_SETMASK, [] [pid 4731] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4733] rt_sigprocmask(SIG_SETMASK, [] [pid 4732] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4731] <... symlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./901/config" [pid 4733] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4732] chdir("./892" [pid 4731] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4732] <... chdir resumed>) = 0 [pid 4733] chdir("./869" [pid 4732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4731] <... unlinkat resumed>) = 0 [pid 308] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4733] <... chdir resumed>) = 0 [pid 4732] <... prctl resumed>) = 0 [pid 4731] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4732] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4733] <... prctl resumed>) = 0 [pid 4732] <... setpgid resumed>) = 0 [pid 4731] <... unlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./901/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4733] setpgid(0, 0 [pid 4731] exit_group(0 [pid 308] <... openat resumed>) = 4 [pid 4733] <... setpgid resumed>) = 0 [pid 4732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4731] <... exit_group resumed>) = ? [pid 308] fstat(4 [pid 4733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4733] write(3, "1000", 4 [pid 4731] +++ exited with 0 +++ [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4733] <... write resumed>) = 4 [pid 4732] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4733] close(3 [pid 4732] write(3, "1000", 4 [pid 308] getdents64(4 [pid 4732] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4732] close(3 [pid 308] close(4 [pid 4732] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4732] symlink("/dev/binderfs", "./binderfs" [pid 308] rmdir("./901/config" [pid 4733] <... close resumed>) = 0 [pid 4733] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 4733] <... symlink resumed>) = 0 [pid 4732] <... symlink resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 4733] write(1, "executing program\n", 18 [pid 4732] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program executing program [pid 308] close(3 [pid 4733] <... write resumed>) = 18 [pid 4732] <... write resumed>) = 18 [pid 308] <... close resumed>) = 0 [pid 4733] mkdirat(AT_FDCWD, "./config", 0777 [pid 4732] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rmdir("./901" [pid 306] umount2("./842", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4733] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./902", 0777 [pid 306] openat(AT_FDCWD, "./842", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4733] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4732] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4732] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] fstat(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4732] <... mount resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] getdents64(3 [pid 4733] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 4734 attached [pid 4733] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4732] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4734 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4734] set_robust_list(0x55556c898760, 24 [pid 4732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4734] <... set_robust_list resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./842/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4732] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4732] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4734] rt_sigprocmask(SIG_SETMASK, [] [pid 4733] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4732] <... mkdirat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./842/binderfs" [pid 4734] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4732] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4733] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4732] <... symlinkat resumed>) = 0 [pid 306] unlink("./842/binderfs" [pid 4734] chdir("./902" [pid 4732] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4733] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 306] <... unlink resumed>) = 0 [pid 4734] <... chdir resumed>) = 0 [pid 4732] <... unlinkat resumed>) = 0 [pid 4734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4734] <... prctl resumed>) = 0 [pid 4732] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4734] setpgid(0, 0 [pid 4733] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... umount2 resumed>) = 0 [pid 4733] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4732] <... unlinkat resumed>) = 0 [pid 4734] <... setpgid resumed>) = 0 [pid 4733] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4733] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4732] exit_group(0 [pid 4734] <... openat resumed>) = 3 [pid 4733] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4733] <... exit_group resumed>) = ? [pid 4732] <... exit_group resumed>) = ? [pid 306] newfstatat(AT_FDCWD, "./842/config" [pid 4734] write(3, "1000", 4 [pid 4733] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4733, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4732] +++ exited with 0 +++ [pid 4734] <... write resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4734] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4734] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./842/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4734] symlink("/dev/binderfs", "./binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./842/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 executing program [pid 306] fstat(4 [pid 4734] <... symlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4734] write(1, "executing program\n", 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 4734] <... write resumed>) = 18 [pid 306] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4734] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./913", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4734] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./892", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4734] mount(NULL, "./config", "configfs", 0, NULL [pid 310] openat(AT_FDCWD, "./913", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./869", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4734] <... mount resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./892", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] fstat(3 [pid 309] <... openat resumed>) = 3 [pid 306] close(4 [pid 4734] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 307] openat(AT_FDCWD, "./869", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 4734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] rmdir("./842/config" [pid 4734] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 307] fstat(3 [pid 4734] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./913/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./892/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 4734] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./913/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 4734] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./892/binderfs" [pid 307] umount2("./869/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4734] <... symlinkat resumed>) = 0 [pid 310] unlink("./913/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4734] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./892/binderfs" [pid 307] newfstatat(AT_FDCWD, "./869/binderfs" [pid 4734] <... unlinkat resumed>) = 0 [pid 310] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(3 [pid 4734] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./869/binderfs" [pid 4734] <... unlinkat resumed>) = 0 [pid 310] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4734] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4734] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./913/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 306] rmdir("./842" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./892/config" [pid 307] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./869/config" [pid 306] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4734] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./913/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./892/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./843", 0777 [pid 310] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 307] openat(AT_FDCWD, "./869/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 309] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4734, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] fstat(4 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 307] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 309] close(4 [pid 307] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 309] rmdir("./892/config" [pid 307] close(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 307] rmdir("./869/config" [pid 310] rmdir("./913/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4735 attached [pid 310] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 307] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4735 [pid 4735] set_robust_list(0x55556c898760, 24 [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4735] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./892" [pid 307] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4735] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4735] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] mkdir("./893", 0777 [pid 307] rmdir("./869" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4735] chdir("./843" [pid 310] rmdir("./913" [pid 309] <... mkdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rmdir resumed>) = 0 [pid 307] mkdir("./870", 0777 [pid 4735] <... chdir resumed>) = 0 [pid 310] mkdir("./914", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 4736 attached [pid 4735] <... prctl resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4736] set_robust_list(0x55556c898760, 24 [pid 4735] setpgid(0, 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4736 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4736] <... set_robust_list resumed>) = 0 [pid 4735] <... setpgid resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4737 attached [pid 4736] rt_sigprocmask(SIG_SETMASK, [] [pid 4735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4737 [pid 4737] set_robust_list(0x55556c898760, 24 [pid 4736] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4735] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4737] <... set_robust_list resumed>) = 0 [pid 4736] chdir("./893" [pid 4735] write(3, "1000", 4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4738 [pid 4736] <... chdir resumed>) = 0 [pid 4735] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4737] rt_sigprocmask(SIG_SETMASK, [] [pid 4736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4735] close(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4737] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4736] <... prctl resumed>) = 0 [pid 4735] <... close resumed>) = 0 [pid 4736] setpgid(0, 0 [pid 4735] symlink("/dev/binderfs", "./binderfs" [pid 4737] chdir("./870" [pid 4736] <... setpgid resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4738 attached [pid 4735] <... symlink resumed>) = 0 [pid 4736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4735] write(1, "executing program\n", 18 [pid 4737] <... chdir resumed>) = 0 executing program [pid 4737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4736] <... openat resumed>) = 3 [pid 4735] <... write resumed>) = 18 [pid 4737] <... prctl resumed>) = 0 [pid 4736] write(3, "1000", 4 [pid 4737] setpgid(0, 0 [pid 4736] <... write resumed>) = 4 [pid 4735] mkdirat(AT_FDCWD, "./config", 0777 [pid 4737] <... setpgid resumed>) = 0 [pid 4736] close(3 [pid 4738] set_robust_list(0x55556c898760, 24) = 0 [pid 4735] <... mkdirat resumed>) = 0 [pid 4736] <... close resumed>) = 0 [pid 4736] symlink("/dev/binderfs", "./binderfs" [pid 4735] mount(NULL, "./config", "configfs", 0, NULL [pid 4737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4735] <... mount resumed>) = 0 [pid 4735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 4736] <... symlink resumed>) = 0 [pid 4735] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4736] write(1, "executing program\n", 18 [pid 4735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4736] <... write resumed>) = 18 [pid 4735] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4735] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 308] umount2("./902", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4738] rt_sigprocmask(SIG_SETMASK, [] [pid 4735] <... mkdirat resumed>) = 0 [pid 4736] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4735] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] openat(AT_FDCWD, "./902", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4735] <... symlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 4735] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] fstat(3 [pid 4735] <... unlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4735] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(3 [pid 4735] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4735] exit_group(0) = ? [pid 308] umount2("./902/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4738] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4738] chdir("./914") = 0 [pid 4738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4735] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4736] <... mkdirat resumed>) = 0 [pid 4736] mount(NULL, "./config", "configfs", 0, NULL [pid 308] newfstatat(AT_FDCWD, "./902/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4735, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] unlink("./902/binderfs" [pid 4736] <... mount resumed>) = 0 [pid 4738] <... prctl resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4737] <... openat resumed>) = 3 [pid 308] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4737] write(3, "1000", 4 [pid 4736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4738] setpgid(0, 0 [pid 4737] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = 0 [pid 4737] close(3 [pid 4736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4737] <... close resumed>) = 0 [pid 4736] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4737] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4736] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] newfstatat(AT_FDCWD, "./902/config" [pid 4738] <... setpgid resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4737] <... symlink resumed>) = 0 [pid 4736] <... mkdirat resumed>) = 0 [pid 4738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4737] write(1, "executing program\n", 18 [pid 4736] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4738] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4738] write(3, "1000", 4 [pid 308] openat(AT_FDCWD, "./902/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4737] <... write resumed>) = 18 [pid 4736] <... symlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 4736] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 308] fstat(4 [pid 4738] <... write resumed>) = 4 [pid 4737] mkdirat(AT_FDCWD, "./config", 0777 [pid 4736] <... unlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4736] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(4 [pid 4738] close(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4736] <... unlinkat resumed>) = 0 [pid 308] getdents64(4 [pid 4738] <... close resumed>) = 0 [pid 4736] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4736] <... exit_group resumed>) = ? [pid 308] close(4 [pid 4738] symlink("/dev/binderfs", "./binderfs" [pid 308] <... close resumed>) = 0 [pid 4738] <... symlink resumed>) = 0 [pid 308] rmdir("./902/config" executing program [pid 4738] write(1, "executing program\n", 18) = 18 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3 [pid 4738] mkdirat(AT_FDCWD, "./config", 0777 [pid 4736] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4738] <... mkdirat resumed>) = 0 [pid 4737] <... mkdirat resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4736, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4738] mount(NULL, "./config", "configfs", 0, NULL [pid 4737] mount(NULL, "./config", "configfs", 0, NULL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(3 [pid 306] umount2("./843", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4738] <... mount resumed>) = 0 [pid 4737] <... mount resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rmdir("./902" [pid 4737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] openat(AT_FDCWD, "./843", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4737] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] mkdir("./903", 0777 [pid 306] fstat(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 4738] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4738] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4737] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 4738] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4737] <... mkdirat resumed>) = 0 [pid 309] umount2("./893", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 4738] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4737] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4738] <... symlinkat resumed>) = 0 [pid 4737] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./893", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4738] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4737] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... openat resumed>) = 3 [pid 4738] <... unlinkat resumed>) = 0 [pid 309] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4739 attached [pid 4738] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4737] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./843/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4739] set_robust_list(0x55556c898760, 24 [pid 4738] <... unlinkat resumed>) = 0 [pid 4737] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4739 [pid 4739] <... set_robust_list resumed>) = 0 [pid 4738] exit_group(0 [pid 4737] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4739] rt_sigprocmask(SIG_SETMASK, [] [pid 4738] <... exit_group resumed>) = ? [pid 4737] exit_group(0 [pid 309] umount2("./893/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4739] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4738] +++ exited with 0 +++ [pid 4737] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./843/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./893/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./893/binderfs" [pid 306] unlink("./843/binderfs" [pid 4739] chdir("./903" [pid 4737] +++ exited with 0 +++ [pid 309] <... unlink resumed>) = 0 [pid 4739] <... chdir resumed>) = 0 [pid 309] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4737, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... unlink resumed>) = 0 [pid 4739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4739] <... prctl resumed>) = 0 [pid 309] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4739] setpgid(0, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4739] <... setpgid resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./893/config" [pid 306] <... umount2 resumed>) = 0 [pid 4739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4739] <... openat resumed>) = 3 [pid 309] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4739] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4739] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./893/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4739] close(3 [pid 309] <... openat resumed>) = 4 [pid 4739] <... close resumed>) = 0 [pid 309] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./843/config" [pid 4739] symlink("/dev/binderfs", "./binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4739] <... symlink resumed>) = 0 [pid 309] getdents64(4 [pid 306] umount2("./843/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4739] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 4739] <... write resumed>) = 18 [pid 309] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4739] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./893/config" [pid 306] openat(AT_FDCWD, "./843/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4739] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4739] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(3 [pid 306] <... openat resumed>) = 4 [pid 4739] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4739] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] close(3 [pid 306] fstat(4 [pid 4739] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 4739] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rmdir("./893" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4739] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 4739] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] mkdir("./894", 0777 [pid 306] getdents64(4 [pid 4739] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4739] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4739] <... symlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4739] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4740 attached [pid 4739] <... unlinkat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4740] set_robust_list(0x55556c898760, 24 [pid 4739] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4740 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4740] <... set_robust_list resumed>) = 0 [pid 4739] <... unlinkat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4739] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./870", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 4740] rt_sigprocmask(SIG_SETMASK, [] [pid 4739] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./914", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./870", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 306] rmdir("./843/config" [pid 4740] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4739] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./914", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 4740] chdir("./894" [pid 310] fstat(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4739, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4740] <... chdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./870/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 4740] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./870/binderfs" [pid 4740] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4740] setpgid(0, 0 [pid 310] umount2("./914/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./870/binderfs" [pid 4740] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 306] close(3 [pid 4740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] newfstatat(AT_FDCWD, "./914/binderfs" [pid 308] umount2("./903", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4740] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4740] write(3, "1000", 4 [pid 310] unlink("./914/binderfs" [pid 308] openat(AT_FDCWD, "./903", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4740] <... write resumed>) = 4 [pid 310] <... unlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./843" [pid 4740] close(3 [pid 310] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 307] newfstatat(AT_FDCWD, "./870/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4740] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4740] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] openat(AT_FDCWD, "./870/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] mkdir("./844", 0777 [pid 4740] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./903/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4740] write(1, "executing program\n", 18 [pid 310] newfstatat(AT_FDCWD, "./914/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] getdents64(4 [pid 4740] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./903/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4740] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./903/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] openat(AT_FDCWD, "./914/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... unlink resumed>) = 0 [pid 307] close(4 [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4740] <... mkdirat resumed>) = 0 [pid 310] fstat(4 [pid 308] <... umount2 resumed>) = 0 [pid 307] rmdir("./870/config") = 0 ci2-android-6-1/strace-static-x86_64: Process 4741 attached [pid 4740] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 4741] set_robust_list(0x55556c898760, 24 [pid 4740] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4741] <... set_robust_list resumed>) = 0 [pid 4740] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] newfstatat(AT_FDCWD, "./903/config" [pid 307] close(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4741 [pid 4741] rt_sigprocmask(SIG_SETMASK, [] [pid 4740] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 4741] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4740] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./870" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4741] chdir("./844" [pid 4740] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 4741] <... chdir resumed>) = 0 [pid 4740] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./903/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./871", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4740] <... mkdirat resumed>) = 0 [pid 310] rmdir("./914/config" [pid 308] <... openat resumed>) = 4 [pid 307] <... mkdir resumed>) = 0 [pid 4741] <... prctl resumed>) = 0 [pid 4740] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4741] setpgid(0, 0 [pid 4740] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] fstat(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4741] <... setpgid resumed>) = 0 [pid 4740] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4742 attached [pid 4741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4740] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 4740] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4742 [pid 4742] set_robust_list(0x55556c898760, 24 [pid 4741] <... openat resumed>) = 3 [pid 4740] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4742] <... set_robust_list resumed>) = 0 [pid 4741] write(3, "1000", 4 [pid 4740] exit_group(0 [pid 310] rmdir("./914" [pid 308] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4742] rt_sigprocmask(SIG_SETMASK, [] [pid 4740] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4741] <... write resumed>) = 4 [pid 4742] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4742] chdir("./871") = 0 [pid 4742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4740] +++ exited with 0 +++ [pid 4742] <... prctl resumed>) = 0 [pid 4741] close(3 [pid 310] mkdir("./915", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4740, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] close(4 [pid 4742] setpgid(0, 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4742] <... setpgid resumed>) = 0 [pid 4742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4741] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4742] <... openat resumed>) = 3 [pid 4741] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./903/config" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4742] write(3, "1000", 4) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 4742] close(3 [pid 4741] <... symlink resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(3 [pid 4742] <... close resumed>) = 0 [pid 4742] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4743 attached [pid 4741] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4743 [pid 308] close(3 [pid 4743] set_robust_list(0x55556c898760, 24 [pid 4741] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 executing program [pid 4743] <... set_robust_list resumed>) = 0 [pid 4742] write(1, "executing program\n", 18 [pid 4741] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 308] rmdir("./903" [pid 4742] <... write resumed>) = 18 [pid 4742] mkdirat(AT_FDCWD, "./config", 0777 [pid 4741] <... mkdirat resumed>) = 0 [pid 4743] rt_sigprocmask(SIG_SETMASK, [] [pid 4742] <... mkdirat resumed>) = 0 [pid 4741] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rmdir resumed>) = 0 [pid 4743] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4743] chdir("./915" [pid 4742] mount(NULL, "./config", "configfs", 0, NULL [pid 4741] <... mount resumed>) = 0 [pid 308] mkdir("./904", 0777 [pid 4743] <... chdir resumed>) = 0 [pid 4741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4742] <... mount resumed>) = 0 [pid 4743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4741] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... mkdir resumed>) = 0 [pid 4743] <... prctl resumed>) = 0 [pid 4742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4743] setpgid(0, 0 [pid 4741] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4743] <... setpgid resumed>) = 0 [pid 4742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4741] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4742] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4741] <... mkdirat resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4741] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4742] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4742] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4741] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4741] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4744 ci2-android-6-1/strace-static-x86_64: Process 4744 attached [pid 4743] <... openat resumed>) = 3 [pid 4742] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4741] <... unlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4744] set_robust_list(0x55556c898760, 24 [pid 4743] write(3, "1000", 4 [pid 4741] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4744] <... set_robust_list resumed>) = 0 [pid 4743] <... write resumed>) = 4 [pid 4742] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4741] <... unlinkat resumed>) = 0 [pid 4743] close(3) = 0 [pid 4742] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4741] exit_group(0 [pid 4744] rt_sigprocmask(SIG_SETMASK, [] [pid 4743] symlink("/dev/binderfs", "./binderfs" [pid 4744] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4741] <... exit_group resumed>) = ? [pid 4742] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4742] exit_group(0) = ? [pid 4744] chdir("./904" [pid 4743] <... symlink resumed>) = 0 [pid 4742] +++ exited with 0 +++ [pid 4741] +++ exited with 0 +++ [pid 4744] <... chdir resumed>) = 0 [pid 4743] write(1, "executing program\n", 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4743] <... write resumed>) = 18 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4741, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4744] <... prctl resumed>) = 0 [pid 4743] mkdirat(AT_FDCWD, "./config", 0777 [pid 4744] setpgid(0, 0) = 0 [pid 306] umount2("./844", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4744] <... openat resumed>) = 3 [pid 4743] <... mkdirat resumed>) = 0 [pid 306] openat(AT_FDCWD, "./844", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4744] write(3, "1000", 4 [pid 4743] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... openat resumed>) = 3 [pid 4744] <... write resumed>) = 4 [pid 4743] <... mount resumed>) = 0 [pid 306] fstat(3 [pid 4743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4744] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4744] <... close resumed>) = 0 [pid 4743] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... restart_syscall resumed>) = 0 [pid 4744] symlink("/dev/binderfs", "./binderfs" [pid 4743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] getdents64(3 [pid 4744] <... symlink resumed>) = 0 [pid 4743] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./894", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4744] write(1, "executing program\n", 18 [pid 4743] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] umount2("./871", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4744] <... write resumed>) = 18 [pid 4743] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./894", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4744] mkdirat(AT_FDCWD, "./config", 0777 [pid 4743] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./871", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./844/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4744] <... mkdirat resumed>) = 0 [pid 4743] <... symlinkat resumed>) = 0 [pid 309] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 4744] mount(NULL, "./config", "configfs", 0, NULL [pid 4743] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4744] <... mount resumed>) = 0 [pid 4743] <... unlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4744] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4743] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./844/binderfs" [pid 4744] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4743] <... unlinkat resumed>) = 0 [pid 309] umount2("./894/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4744] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4743] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./871/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4744] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4743] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./894/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4744] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./871/binderfs" [pid 306] unlink("./844/binderfs" [pid 4744] <... mkdirat resumed>) = 0 [pid 4743] +++ exited with 0 +++ [pid 309] unlink("./894/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4744] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... unlink resumed>) = 0 [pid 307] unlink("./871/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 4744] <... symlinkat resumed>) = 0 [pid 309] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 4744] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4744] <... unlinkat resumed>) = 0 [pid 310] umount2("./915", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 4744] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 4744] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./915", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./894/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4744] exit_group(0 [pid 310] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./871/config" [pid 306] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4744] <... exit_group resumed>) = ? [pid 310] fstat(3 [pid 309] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4744] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 309] openat(AT_FDCWD, "./894/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4744, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./871/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./844/config" [pid 310] umount2("./915/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 307] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./915/binderfs" [pid 309] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 306] umount2("./844/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./915/binderfs" [pid 309] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] close(4 [pid 306] openat(AT_FDCWD, "./844/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./894/config" [pid 307] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 307] rmdir("./871/config" [pid 306] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./915/config" [pid 309] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 306] fstat(4 [pid 310] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 307] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./915/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./894" [pid 307] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 307] rmdir("./871" [pid 306] getdents64(4 [pid 310] fstat(4 [pid 309] mkdir("./895", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] mkdir("./872", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(4 [pid 310] getdents64(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4745 attached [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4746 attached [pid 4745] set_robust_list(0x55556c898760, 24 [pid 310] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4745 [pid 4746] set_robust_list(0x55556c898760, 24 [pid 4745] <... set_robust_list resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4746 [pid 306] close(4 [pid 4746] <... set_robust_list resumed>) = 0 [pid 4745] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./915/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4745] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4746] rt_sigprocmask(SIG_SETMASK, [] [pid 4745] chdir("./895" [pid 310] getdents64(3 [pid 306] rmdir("./844/config" [pid 4746] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4745] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4746] chdir("./872") = 0 [pid 4745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 4746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4745] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 310] rmdir("./915" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4746] <... prctl resumed>) = 0 [pid 4746] setpgid(0, 0 [pid 4745] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 4745] <... setpgid resumed>) = 0 [pid 4746] <... setpgid resumed>) = 0 [pid 310] mkdir("./916", 0777 [pid 306] <... close resumed>) = 0 [pid 4745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 306] rmdir("./844" [pid 4745] <... openat resumed>) = 3 [pid 4746] write(3, "1000", 4) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 4745] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./904", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4746] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./845", 0777 [pid 4745] <... write resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] openat(AT_FDCWD, "./904", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4746] <... close resumed>) = 0 [pid 4746] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4746] write(1, "executing program\n", 18 [pid 306] <... mkdir resumed>) = 0 executing program [pid 4746] <... write resumed>) = 18 [pid 308] <... openat resumed>) = 3 [pid 4746] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4747 attached ) = 0 [pid 4745] close(3 [pid 308] fstat(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4745] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4747 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4747] set_robust_list(0x55556c898760, 24 [pid 4745] symlink("/dev/binderfs", "./binderfs" [pid 4746] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4745] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4746] <... mount resumed>) = 0 [pid 4746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./904/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4745] write(1, "executing program\n", 18 [pid 4747] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4745] <... write resumed>) = 18 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4748 [pid 308] newfstatat(AT_FDCWD, "./904/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4748 attached [pid 4747] rt_sigprocmask(SIG_SETMASK, [] [pid 4746] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4745] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4748] set_robust_list(0x55556c898760, 24 [pid 4747] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4745] <... mkdirat resumed>) = 0 [pid 308] unlink("./904/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4745] mount(NULL, "./config", "configfs", 0, NULL [pid 4746] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 4748] <... set_robust_list resumed>) = 0 [pid 4747] chdir("./916" [pid 4746] <... mkdirat resumed>) = 0 [pid 4745] <... mount resumed>) = 0 [pid 308] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4746] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4747] <... chdir resumed>) = 0 [pid 4745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 4747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4748] rt_sigprocmask(SIG_SETMASK, [] [pid 4747] <... prctl resumed>) = 0 [pid 4746] <... symlinkat resumed>) = 0 [pid 4745] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4748] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4747] setpgid(0, 0 [pid 4745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4748] chdir("./845" [pid 4747] <... setpgid resumed>) = 0 [pid 4746] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4745] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] newfstatat(AT_FDCWD, "./904/config" [pid 4748] <... chdir resumed>) = 0 [pid 4747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4746] <... unlinkat resumed>) = 0 [pid 4745] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4747] <... openat resumed>) = 3 [pid 4746] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4748] <... prctl resumed>) = 0 [pid 4747] write(3, "1000", 4 [pid 4746] <... unlinkat resumed>) = 0 [pid 4745] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4748] setpgid(0, 0 [pid 4747] <... write resumed>) = 4 [pid 4746] exit_group(0 [pid 308] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4748] <... setpgid resumed>) = 0 [pid 4747] close(3 [pid 4746] <... exit_group resumed>) = ? [pid 4745] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4747] <... close resumed>) = 0 [pid 4746] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4745] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4748] <... openat resumed>) = 3 [pid 4747] symlink("/dev/binderfs", "./binderfs" [pid 4745] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] openat(AT_FDCWD, "./904/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4746, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4748] write(3, "1000", 4 [pid 4745] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... openat resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4748] <... write resumed>) = 4 [pid 4747] <... symlink resumed>) = 0 [pid 4745] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] fstat(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 4748] close(3 [pid 4747] write(1, "executing program\n", 18 [pid 4745] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4748] <... close resumed>) = 0 [pid 4747] <... write resumed>) = 18 [pid 4745] exit_group(0 [pid 308] getdents64(4 [pid 4745] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./872", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4748] symlink("/dev/binderfs", "./binderfs" [pid 4747] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./872", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4745] +++ exited with 0 +++ [pid 307] <... openat resumed>) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4745, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 307] fstat(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4748] <... symlink resumed>) = 0 [pid 4747] <... mkdirat resumed>) = 0 [pid 308] close(4 [pid 4748] write(1, "executing program\n", 18 [pid 4747] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 4748] <... write resumed>) = 18 [pid 4747] <... mount resumed>) = 0 [pid 308] rmdir("./904/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 4747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./872/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4748] mkdirat(AT_FDCWD, "./config", 0777 [pid 4747] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./872/binderfs" [pid 4747] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4748] <... mkdirat resumed>) = 0 [pid 4747] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] close(3 [pid 307] unlink("./872/binderfs" [pid 4748] mount(NULL, "./config", "configfs", 0, NULL [pid 4747] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4748] <... mount resumed>) = 0 [pid 4747] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rmdir("./904" [pid 307] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... umount2 resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4748] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4747] <... symlinkat resumed>) = 0 [pid 308] mkdir("./905", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./872/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4747] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4748] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4747] <... unlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4748] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4747] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./872/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4747] <... unlinkat resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4747] exit_group(0 [pid 307] getdents64(4 [pid 4748] <... mkdirat resumed>) = 0 [pid 4747] <... exit_group resumed>) = ? [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4749 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./872/config" [pid 4748] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4747] +++ exited with 0 +++ [pid 307] <... rmdir resumed>) = 0 [pid 4748] <... symlinkat resumed>) = 0 [pid 307] getdents64(3 [pid 4748] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4748] <... unlinkat resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(3 [pid 4748] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./872" [pid 4748] <... unlinkat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4748] exit_group(0 [pid 307] mkdir("./873", 0777 [pid 4748] <... exit_group resumed>) = ? [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4750 attached [pid 4748] +++ exited with 0 +++ [pid 4750] set_robust_list(0x55556c898760, 24 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4750 [pid 4750] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4750] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4750] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./895", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4750] chdir("./873" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4750] <... chdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./895", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4750] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... openat resumed>) = 3 [pid 4750] <... prctl resumed>) = 0 [pid 309] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4749 attached [pid 4750] setpgid(0, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4750] <... setpgid resumed>) = 0 [pid 4749] set_robust_list(0x55556c898760, 24 [pid 309] getdents64(3 [pid 4750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4749] <... set_robust_list resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./895/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4750] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4750] write(3, "1000", 4 [pid 4749] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./895/binderfs" [pid 4750] <... write resumed>) = 4 [pid 4749] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4750] close(3 [pid 4749] chdir("./905" [pid 309] unlink("./895/binderfs" [pid 4750] <... close resumed>) = 0 [pid 4749] <... chdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 4750] symlink("/dev/binderfs", "./binderfs" [pid 4749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4750] <... symlink resumed>) = 0 [pid 4749] <... prctl resumed>) = 0 [pid 309] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4750] write(1, "executing program\n", 18 [pid 4749] setpgid(0, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4750] <... write resumed>) = 18 [pid 4749] <... setpgid resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./895/config" [pid 4750] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4750] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./895/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4750] mount(NULL, "./config", "configfs", 0, NULL [pid 4749] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 4 [pid 4750] <... mount resumed>) = 0 [pid 4749] write(3, "1000", 4 [pid 309] fstat(4 [pid 4750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4749] <... write resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4750] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4749] close(3 [pid 309] getdents64(4 [pid 4750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4749] <... close resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4750] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4749] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(4 [pid 4750] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./916", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 4750] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./916", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./895/config" [pid 4750] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4749] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 4750] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 4750] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4749] write(1, "executing program\n", 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 executing program [pid 309] close(3 [pid 4750] <... unlinkat resumed>) = 0 [pid 4749] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 4750] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4749] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./916/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./895" [pid 4750] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 4750] exit_group(0 [pid 4749] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./916/binderfs" [pid 309] mkdir("./896", 0777 [pid 306] umount2("./845", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4750] <... exit_group resumed>) = ? [pid 4749] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 310] unlink("./916/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./845", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4751 attached [pid 4750] +++ exited with 0 +++ [pid 4749] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4751] set_robust_list(0x55556c898760, 24 [pid 4749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4751 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4750, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4751] <... set_robust_list resumed>) = 0 [pid 4749] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] fstat(3 [pid 4751] rt_sigprocmask(SIG_SETMASK, [] [pid 4749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./916/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4751] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4749] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4751] chdir("./896" [pid 4749] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4751] <... chdir resumed>) = 0 [pid 4749] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 4751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4749] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./916/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./873", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4749] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4751] <... prctl resumed>) = 0 [pid 4749] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(4 [pid 307] openat(AT_FDCWD, "./873", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4751] setpgid(0, 0 [pid 4749] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] umount2("./845/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4751] <... setpgid resumed>) = 0 [pid 4749] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 307] fstat(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4749] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./845/binderfs" [pid 4751] <... openat resumed>) = 3 [pid 4749] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4751] write(3, "1000", 4 [pid 4749] <... exit_group resumed>) = ? [pid 310] close(4 [pid 307] umount2("./873/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./845/binderfs" [pid 310] rmdir("./916/config" [pid 307] newfstatat(AT_FDCWD, "./873/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... unlink resumed>) = 0 [pid 307] unlink("./873/binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4749] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 307] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4751] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4749, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4751] close(3 [pid 310] close(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4751] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./916" [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4751] symlink("/dev/binderfs", "./binderfs" [pid 307] newfstatat(AT_FDCWD, "./873/config" [pid 306] newfstatat(AT_FDCWD, "./845/config" [pid 310] <... rmdir resumed>) = 0 [pid 4751] <... symlink resumed>) = 0 [pid 310] mkdir("./917", 0777 [pid 308] umount2("./905", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 4751] write(1, "executing program\n", 18 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./845/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4751] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./905", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4751] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./873/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./845/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] fstat(3 [pid 4751] <... mkdirat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] <... openat resumed>) = 4 [pid 4751] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(3 [pid 307] fstat(4 [pid 306] fstat(4 [pid 4751] <... mount resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4752 [pid 308] umount2("./905/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4752 attached [pid 4751] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./905/binderfs" [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 4751] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4751] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] unlink("./905/binderfs" [pid 307] close(4 [pid 306] close(4 [pid 4752] set_robust_list(0x55556c898760, 24 [pid 4751] <... mkdirat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4751] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./873/config" [pid 306] rmdir("./845/config" [pid 4752] <... set_robust_list resumed>) = 0 [pid 4751] <... symlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4751] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 4751] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4751] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] newfstatat(AT_FDCWD, "./905/config" [pid 307] close(3 [pid 306] getdents64(3 [pid 4752] rt_sigprocmask(SIG_SETMASK, [] [pid 4751] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 4752] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4751] exit_group(0 [pid 308] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./873" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4751] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4752] chdir("./917" [pid 4751] +++ exited with 0 +++ [pid 308] openat(AT_FDCWD, "./905/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 4752] <... chdir resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] mkdir("./874", 0777 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rmdir("./905/config" [pid 307] <... mkdir resumed>) = 0 [pid 306] rmdir("./845" [pid 4752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./905" [pid 4752] <... prctl resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 308] mkdir("./906", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./846", 0777 [pid 4752] setpgid(0, 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4753 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4754 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4754 attached [pid 4754] set_robust_list(0x55556c898760, 24) = 0 [pid 4754] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4754] chdir("./874") = 0 [pid 4754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4755 [pid 4754] <... prctl resumed>) = 0 [pid 4754] setpgid(0, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4754] <... setpgid resumed>) = 0 [pid 4754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4752] <... setpgid resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4755 attached [pid 4754] write(3, "1000", 4) = 4 [pid 4754] close(3 [pid 4752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4754] <... close resumed>) = 0 [pid 4754] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4752] <... openat resumed>) = 3 [pid 4755] set_robust_list(0x55556c898760, 24 [pid 4754] write(1, "executing program\n", 18) = 18 [pid 4754] mkdirat(AT_FDCWD, "./config", 0777 [pid 4755] <... set_robust_list resumed>) = 0 executing program [pid 4752] write(3, "1000", 4ci2-android-6-1/strace-static-x86_64: Process 4753 attached [pid 4753] set_robust_list(0x55556c898760, 24) = 0 [pid 4753] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4753] chdir("./906" [pid 4752] <... write resumed>) = 4 [pid 4753] <... chdir resumed>) = 0 [pid 4752] close(3 [pid 4753] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4753] setpgid(0, 0) = 0 [pid 4753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4752] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4753] <... openat resumed>) = 3 [pid 4753] write(3, "1000", 4 [pid 309] umount2("./896", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4753] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4753] close(3 [pid 309] openat(AT_FDCWD, "./896", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4753] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 4753] symlink("/dev/binderfs", "./binderfs" [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4752] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./896/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4753] <... symlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./896/binderfs" [pid 4753] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4752] <... symlink resumed>) = 0 [pid 309] unlink("./896/binderfs" [pid 4753] <... write resumed>) = 18 [pid 4753] mkdirat(AT_FDCWD, "./config", 0777 [pid 4752] write(1, "executing program\n", 18 [pid 309] <... unlink resumed>) = 0 executing program executing program [pid 4753] <... mkdirat resumed>) = 0 [pid 4752] <... write resumed>) = 18 [pid 309] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4753] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4752] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4753] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./896/config" [pid 4753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4753] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4753] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4753] <... mkdirat resumed>) = 0 [pid 4752] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./896/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4755] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 4 [pid 4752] mount(NULL, "./config", "configfs", 0, NULL [pid 309] fstat(4 [pid 4753] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4752] <... mount resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4753] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(4 [pid 4753] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4752] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 4753] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 4752] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 4753] <... unlinkat resumed>) = 0 [pid 4752] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rmdir("./896/config" [pid 4753] exit_group(0) = ? [pid 4755] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4753] +++ exited with 0 +++ [pid 4752] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4752] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4753, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] close(3 [pid 4754] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4754] mount(NULL, "./config", "configfs", 0, NULL [pid 4752] <... symlinkat resumed>) = 0 [pid 309] rmdir("./896" [pid 4754] <... mount resumed>) = 0 [pid 4754] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4754] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 4752] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] mkdir("./897", 0777 [pid 4754] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4754] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4754] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 4754] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4752] <... unlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4754] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4752] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4754] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4754] exit_group(0) = ? [pid 4755] chdir("./846" [pid 4754] +++ exited with 0 +++ [pid 4752] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4756 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4754, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4756 attached [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4752] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4756] set_robust_list(0x55556c898760, 24 [pid 4752] <... exit_group resumed>) = ? [pid 4756] <... set_robust_list resumed>) = 0 [pid 4756] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4756] chdir("./897") = 0 [pid 4756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... restart_syscall resumed>) = 0 [pid 4752] +++ exited with 0 +++ [pid 308] umount2("./906", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] openat(AT_FDCWD, "./906", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] umount2("./906/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./906/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./906/binderfs" [pid 4755] <... chdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = 0 [pid 4755] <... prctl resumed>) = 0 [pid 308] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./874", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4755] setpgid(0, 0 [pid 308] newfstatat(AT_FDCWD, "./906/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4755] <... setpgid resumed>) = 0 [pid 308] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./874", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./906/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 4755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 4 [pid 307] fstat(3 [pid 308] fstat(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 307] getdents64(3 [pid 4755] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4755] write(3, "1000", 4 [pid 308] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 307] umount2("./874/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4755] <... write resumed>) = 4 [pid 308] rmdir("./906/config" [pid 4755] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 307] newfstatat(AT_FDCWD, "./874/binderfs" [pid 4755] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4755] symlink("/dev/binderfs", "./binderfs" [pid 308] rmdir("./906" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] unlink("./874/binderfs" executing program [pid 308] mkdir("./907", 0777 [pid 4755] <... symlink resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4755] write(1, "executing program\n", 18 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4756] <... prctl resumed>) = 0 [pid 307] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4755] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4756] setpgid(0, 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = 0 [pid 4755] mkdirat(AT_FDCWD, "./config", 0777 [pid 4756] <... setpgid resumed>) = 0 [pid 4756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4756] write(3, "1000", 4 [pid 307] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4757 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4756] <... write resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./874/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4756] close(3 [pid 307] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./917", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./874/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./917", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 307] fstat(4 [pid 310] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 310] getdents64(3 [pid 4756] <... close resumed>) = 0 [pid 4756] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4756] write(1, "executing program\n", 18) = 18 [pid 4756] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4755] <... mkdirat resumed>) = 0 executing program [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(4 [pid 4755] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./917/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4756] <... mkdirat resumed>) = 0 [pid 4755] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 4755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./917/binderfs" [pid 307] <... close resumed>) = 0 [pid 4756] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./874/config" [pid 4755] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./917/binderfs" [pid 4756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 4756] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 310] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4756] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] close(3 [pid 4755] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4755] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./874" [pid 310] newfstatat(AT_FDCWD, "./917/config" [pid 4755] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4756] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4756] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4755] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./875", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4756] exit_group(0) = ? [pid 4756] +++ exited with 0 +++ [pid 4755] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] openat(AT_FDCWD, "./917/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4757 attached [pid 310] <... openat resumed>) = 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4756, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] fstat(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4755] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4757] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4757] <... set_robust_list resumed>) = 0 [pid 4757] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4757] chdir("./907") = 0 [pid 310] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4758 [pid 4755] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4755] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4757] <... prctl resumed>) = 0 [pid 310] rmdir("./917/config" [pid 4755] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4757] setpgid(0, 0) = 0 [pid 4757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 4757] <... openat resumed>) = 3 [pid 4755] exit_group(0 [pid 310] getdents64(3 [pid 4757] write(3, "1000", 4 [pid 4755] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./897", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 4757] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./897", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] rmdir("./917" [pid 309] <... openat resumed>) = 3 [pid 4757] close(3) = 0 [pid 4757] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 310] mkdir("./918", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4757] write(1, "executing program\n", 18) = 18 [pid 4757] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4757] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4757] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4757] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4757] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./897/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4759 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4757] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./897/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4755] +++ exited with 0 +++ [pid 309] unlink("./897/binderfs" [pid 4757] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4757] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... unlink resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4755, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 309] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4757] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4757] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4757] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./897/config"ci2-android-6-1/strace-static-x86_64: Process 4759 attached [pid 4757] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 4758 attached [pid 309] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4757, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./897/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4758] set_robust_list(0x55556c898760, 24 [pid 309] <... openat resumed>) = 4 [pid 4758] <... set_robust_list resumed>) = 0 [pid 309] fstat(4 [pid 4758] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4759] set_robust_list(0x55556c898760, 24 [pid 4758] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4758] chdir("./875" [pid 309] getdents64(4 [pid 4758] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] getdents64(4 [pid 4758] <... prctl resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4758] setpgid(0, 0 [pid 309] close(4 [pid 4758] <... setpgid resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rmdir("./897/config" [pid 4758] <... openat resumed>) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 4758] write(3, "1000", 4 [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 4758] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./907", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 4759] <... set_robust_list resumed>) = 0 [pid 4758] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./907", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./897" [pid 4759] rt_sigprocmask(SIG_SETMASK, [] [pid 4758] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 4759] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4758] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 4759] chdir("./918" [pid 4758] <... symlink resumed>) = 0 [pid 309] mkdir("./898", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4759] <... chdir resumed>) = 0 [pid 4758] write(1, "executing program\n", 18 [pid 4759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4758] <... write resumed>) = 18 [pid 4759] <... prctl resumed>) = 0 executing program [pid 4758] mkdirat(AT_FDCWD, "./config", 0777 [pid 4759] setpgid(0, 0 [pid 4758] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4759] <... setpgid resumed>) = 0 [pid 4758] mount(NULL, "./config", "configfs", 0, NULL [pid 4759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4758] <... mount resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4759] <... openat resumed>) = 3 [pid 4758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./907/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4759] write(3, "1000", 4 [pid 4758] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4759] <... write resumed>) = 4 [pid 4758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4759] close(3 [pid 4758] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4759] <... close resumed>) = 0 [pid 4758] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4759] symlink("/dev/binderfs", "./binderfs" [pid 4758] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4760 [pid 308] newfstatat(AT_FDCWD, "./907/binderfs" [pid 4759] <... symlink resumed>) = 0 [pid 4758] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] unlink("./907/binderfs" [pid 4759] write(1, "executing program\n", 18 [pid 4758] <... symlinkat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4759] <... write resumed>) = 18 executing program [pid 4758] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4759] mkdirat(AT_FDCWD, "./config", 0777 [pid 4758] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4760 attached [pid 4759] <... mkdirat resumed>) = 0 [pid 4758] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4759] mount(NULL, "./config", "configfs", 0, NULL [pid 4758] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4760] set_robust_list(0x55556c898760, 24 [pid 4759] <... mount resumed>) = 0 [pid 4758] exit_group(0 [pid 308] newfstatat(AT_FDCWD, "./907/config" [pid 4759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4758] <... exit_group resumed>) = ? [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4760] <... set_robust_list resumed>) = 0 [pid 4759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4758] +++ exited with 0 +++ [pid 308] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4758, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./907/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4759] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 4 [pid 4759] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./875", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4759] <... mkdirat resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4759] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] openat(AT_FDCWD, "./875", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 4759] <... symlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 308] close(4 [pid 307] fstat(3 [pid 4759] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./907/config" [pid 307] getdents64(3 [pid 4759] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4759] exit_group(0 [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./875/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4759] <... exit_group resumed>) = ? [pid 308] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./875/binderfs" [pid 4760] rt_sigprocmask(SIG_SETMASK, [] [pid 4759] +++ exited with 0 +++ [pid 308] rmdir("./907" [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4760] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] mkdir("./908", 0777 [pid 307] unlink("./875/binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... unlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./846", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4760] chdir("./898" [pid 308] <... mkdir resumed>) = 0 [pid 4760] <... chdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = 0 [pid 4760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./918", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./846", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4760] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4760] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./918", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 4760] <... setpgid resumed>) = 0 [pid 4760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4760] write(3, "1000", 4) = 4 [pid 4760] close(3) = 0 [pid 306] fstat(3 [pid 310] fstat(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4761 [pid 307] newfstatat(AT_FDCWD, "./875/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 307] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4760] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./918/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./875/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./846/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./918/binderfs" [pid 307] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./846/binderfs" [pid 310] unlink("./918/binderfs" [pid 307] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4760] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] unlink("./846/binderfs" [pid 310] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 4760] write(1, "executing program\n", 18 [pid 306] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4760] <... write resumed>) = 18 [pid 4760] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 306] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./918/config" [pid 307] <... close resumed>) = 0 [pid 306] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rmdir("./875/config" [pid 310] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4760] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./846/config" [pid 310] openat(AT_FDCWD, "./918/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 4760] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./846/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(3 [pid 310] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4761 attached [pid 4760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rmdir("./875" [pid 306] openat(AT_FDCWD, "./846/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 4761] set_robust_list(0x55556c898760, 24 [pid 4760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4761] <... set_robust_list resumed>) = 0 [pid 4760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4761] rt_sigprocmask(SIG_SETMASK, [] [pid 4760] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] close(4 [pid 307] mkdir("./876", 0777 [pid 310] <... close resumed>) = 0 [pid 306] fstat(4 [pid 4761] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4760] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4761] chdir("./908" [pid 4760] <... mkdirat resumed>) = 0 [pid 310] rmdir("./918/config" [pid 307] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4761] <... chdir resumed>) = 0 [pid 4760] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4761] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4760] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(4 [pid 310] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4 [pid 310] close(3 [pid 4761] <... prctl resumed>) = 0 [pid 4760] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4761] setpgid(0, 0 [pid 4760] <... unlinkat resumed>) = 0 [pid 4761] <... setpgid resumed>) = 0 [pid 4760] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4760] <... unlinkat resumed>) = 0 [pid 4761] <... openat resumed>) = 3 [pid 4760] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4761] write(3, "1000", 4 [pid 4760] <... exit_group resumed>) = ? [pid 310] rmdir("./918" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4762 [pid 306] close(4 [pid 4761] <... write resumed>) = 4 [pid 4760] +++ exited with 0 +++ [pid 4761] close(3) = 0 [pid 4761] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 executing program [pid 310] mkdir("./919", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4760, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./846/config" [pid 4761] write(1, "executing program\n", 18) = 18 [pid 4761] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4761] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4761] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4761] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4761] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4761] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4763 [pid 4761] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 4761] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./846" [pid 4761] <... unlinkat resumed>) = 0 [pid 4761] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4761] exit_group(0 [pid 306] <... rmdir resumed>) = 0 [pid 4761] <... exit_group resumed>) = ? [pid 306] mkdir("./847", 0777 [pid 4761] +++ exited with 0 +++ [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4761, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4762 attached [pid 4762] set_robust_list(0x55556c898760, 24 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4762] <... set_robust_list resumed>) = 0 [pid 4762] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4762] chdir("./876") = 0 [pid 4762] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4762] setpgid(0, 0) = 0 [pid 4762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4764 [pid 4762] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4762] write(3, "1000", 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4762] <... write resumed>) = 4 [pid 4762] close(3) = 0 [pid 4762] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 4763 attached ) = 0 executing program [pid 4762] write(1, "executing program\n", 18) = 18 [pid 4762] mkdirat(AT_FDCWD, "./config", 0777 [pid 4763] set_robust_list(0x55556c898760, 24 [pid 4762] <... mkdirat resumed>) = 0 [pid 4762] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... restart_syscall resumed>) = 0 [pid 4762] <... mount resumed>) = 0 [pid 4762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] umount2("./908", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4762] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./908", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4762] <... mkdirat resumed>) = 0 [pid 4762] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4762] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4762] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... openat resumed>) = 3 [pid 4762] <... unlinkat resumed>) = 0 [pid 308] fstat(3 [pid 4763] <... set_robust_list resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4762] exit_group(0 [pid 308] getdents64(3 [pid 4762] <... exit_group resumed>) = ? [pid 4763] rt_sigprocmask(SIG_SETMASK, [] [pid 4762] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 4764 attached [pid 308] umount2("./908/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4762, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4764] set_robust_list(0x55556c898760, 24 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] newfstatat(AT_FDCWD, "./908/binderfs" [pid 4764] <... set_robust_list resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4764] rt_sigprocmask(SIG_SETMASK, [] [pid 308] unlink("./908/binderfs" [pid 4763] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4764] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4764] chdir("./847") = 0 [pid 4764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... unlink resumed>) = 0 [pid 4764] <... prctl resumed>) = 0 [pid 308] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4764] setpgid(0, 0) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4764] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4764] write(3, "1000", 4 [pid 308] newfstatat(AT_FDCWD, "./908/config" [pid 4764] <... write resumed>) = 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4764] close(3 [pid 308] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4764] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4764] symlink("/dev/binderfs", "./binderfs" [pid 308] openat(AT_FDCWD, "./908/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4764] <... symlink resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 4763] chdir("./919" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] fstat(4 [pid 4764] write(1, "executing program\n", 18) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4764] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 308] getdents64(4 [pid 4764] <... mkdirat resumed>) = 0 [pid 4763] <... chdir resumed>) = 0 [pid 309] umount2("./898", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 309] openat(AT_FDCWD, "./898", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4764] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... openat resumed>) = 3 [pid 308] close(4 [pid 309] fstat(3 [pid 4764] <... mount resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 4764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(3 [pid 4763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] rmdir("./908/config" [pid 4764] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4764] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4763] <... prctl resumed>) = 0 [pid 309] umount2("./898/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 4764] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4763] setpgid(0, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 4763] <... setpgid resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./898/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4764] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(3 [pid 4764] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] unlink("./898/binderfs" [pid 308] <... close resumed>) = 0 [pid 4764] <... unlinkat resumed>) = 0 [pid 4764] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... unlink resumed>) = 0 [pid 4763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rmdir("./908" [pid 309] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4764] <... unlinkat resumed>) = 0 [pid 4764] exit_group(0) = ? [pid 308] <... rmdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] mkdir("./909", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 4764] +++ exited with 0 +++ [pid 4763] <... openat resumed>) = 3 [pid 309] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./898/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./876", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4763] write(3, "1000", 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4764, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4763] <... write resumed>) = 4 [pid 309] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./876", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4763] close(3) = 0 [pid 4763] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 4765 attached ) = 0 [pid 309] openat(AT_FDCWD, "./898/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 4763] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4765 [pid 307] fstat(3 [pid 309] fstat(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4765] set_robust_list(0x55556c898760, 24 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4765] <... set_robust_list resumed>) = 0 [pid 309] getdents64(4 executing program [pid 307] getdents64(3 [pid 4765] rt_sigprocmask(SIG_SETMASK, [] [pid 4763] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4765] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 307] umount2("./876/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 307] newfstatat(AT_FDCWD, "./876/binderfs" [pid 4765] chdir("./909" [pid 309] <... close resumed>) = 0 [pid 4763] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] rmdir("./898/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4763] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 307] unlink("./876/binderfs" [pid 4763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] <... unlink resumed>) = 0 [pid 306] umount2("./847", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4763] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] openat(AT_FDCWD, "./847", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4765] <... chdir resumed>) = 0 [pid 4763] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4765] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rmdir("./898" [pid 307] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 4763] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4763] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 4765] <... prctl resumed>) = 0 executing program executing program [pid 309] mkdir("./899", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4763] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4763] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 4765] setpgid(0, 0 [pid 307] newfstatat(AT_FDCWD, "./876/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 4765] <... setpgid resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4763] <... exit_group resumed>) = ? [pid 4765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4763] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./847/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4766 [pid 307] openat(AT_FDCWD, "./876/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4763, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./847/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4765] <... openat resumed>) = 3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 306] unlink("./847/binderfs" [pid 4765] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 ci2-android-6-1/strace-static-x86_64: Process 4766 attached [pid 4766] set_robust_list(0x55556c898760, 24 [pid 306] <... unlink resumed>) = 0 [pid 307] getdents64(4 [pid 4765] <... write resumed>) = 4 [pid 306] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4766] <... set_robust_list resumed>) = 0 [pid 307] close(4 [pid 4765] close(3 [pid 306] <... umount2 resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4765] <... close resumed>) = 0 [pid 307] rmdir("./876/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4766] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4766] chdir("./899" [pid 307] <... rmdir resumed>) = 0 [pid 4765] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./847/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(3 [pid 306] umount2("./847/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./876" [pid 306] openat(AT_FDCWD, "./847/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4766] <... chdir resumed>) = 0 [pid 4766] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4766] setpgid(0, 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 307] mkdir("./877", 0777 [pid 306] fstat(4 [pid 4766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4766] write(3, "1000", 4 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4765] <... symlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4765] write(1, "executing program\n", 18 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4 [pid 4766] <... write resumed>) = 4 [pid 4766] close(3) = 0 [pid 4766] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4766] write(1, "executing program\n", 18) = 18 [pid 4766] mkdirat(AT_FDCWD, "./config", 0777 [pid 4765] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4766] <... mkdirat resumed>) = 0 [pid 4765] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4767 [pid 306] close(4ci2-android-6-1/strace-static-x86_64: Process 4767 attached [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./847/config" [pid 4767] set_robust_list(0x55556c898760, 24) = 0 [pid 4767] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4767] chdir("./877") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4767] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] getdents64(3 [pid 4767] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4767] setpgid(0, 0 [pid 306] close(3 [pid 4767] <... setpgid resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./847" [pid 4767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 4765] <... mkdirat resumed>) = 0 [pid 306] mkdir("./848", 0777 [pid 4767] write(3, "1000", 4) = 4 [pid 4767] close(3) = 0 [pid 4767] symlink("/dev/binderfs", "./binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 4765] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4767] <... symlink resumed>) = 0 [pid 4765] <... mount resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4767] write(1, "executing program\n", 18 [pid 4765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4767] <... write resumed>) = 18 [pid 4767] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4767] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4768 executing program [pid 4766] mount(NULL, "./config", "configfs", 0, NULL [pid 4765] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 4768 attached [pid 4767] <... mount resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./919", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4765] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4765] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4766] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./919", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 4767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(3 [pid 4766] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4765] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4765] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4766] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 4767] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4767] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4765] <... symlinkat resumed>) = 0 [pid 4766] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./919/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4765] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4766] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./919/binderfs" [pid 4765] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4765] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4766] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] unlink("./919/binderfs" [pid 4768] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4765] <... unlinkat resumed>) = 0 [pid 4767] <... mkdirat resumed>) = 0 [pid 4765] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 4766] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4765] <... exit_group resumed>) = ? [pid 310] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4766] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4767] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] newfstatat(AT_FDCWD, "./919/config" [pid 4768] rt_sigprocmask(SIG_SETMASK, [] [pid 4766] <... symlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4767] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4766] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4767] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4766] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./919/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4767] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... openat resumed>) = 4 [pid 4766] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(4 [pid 4767] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4767] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4766] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 4767] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4766] exit_group(0 [pid 310] getdents64(4 [pid 4765] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4766] <... exit_group resumed>) = ? [pid 310] close(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4765, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./919/config" [pid 4767] <... exit_group resumed>) = ? [pid 4767] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4767, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4766] +++ exited with 0 +++ [pid 310] close(3) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4766, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4768] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./919" [pid 4768] chdir("./848") = 0 [pid 4768] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4768] setpgid(0, 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] mkdir("./920", 0777 [pid 4768] <... openat resumed>) = 3 [pid 4768] write(3, "1000", 4) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 4768] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4768] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4768] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4768] write(1, "executing program\n", 18ci2-android-6-1/strace-static-x86_64: Process 4769 attached ) = 18 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4769 [pid 4769] set_robust_list(0x55556c898760, 24) = 0 [pid 4768] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4769] rt_sigprocmask(SIG_SETMASK, [] [pid 4768] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4769] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4769] chdir("./920") = 0 [pid 4769] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4768] mount(NULL, "./config", "configfs", 0, NULL [pid 4769] <... prctl resumed>) = 0 [pid 4769] setpgid(0, 0 [pid 4768] <... mount resumed>) = 0 [pid 4769] <... setpgid resumed>) = 0 [pid 4769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4769] <... openat resumed>) = 3 [pid 4768] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4769] write(3, "1000", 4) = 4 [pid 4768] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4769] close(3) = 0 [pid 4768] <... mkdirat resumed>) = 0 [pid 4769] symlink("/dev/binderfs", "./binderfs" [pid 4768] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4769] <... symlink resumed>) = 0 [pid 4768] <... symlinkat resumed>) = 0 [pid 4769] write(1, "executing program\n", 18 [pid 4768] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4769] <... write resumed>) = 18 [pid 4769] mkdirat(AT_FDCWD, "./config", 0777 [pid 4768] <... unlinkat resumed>) = 0 executing program [pid 4768] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4769] <... mkdirat resumed>) = 0 [pid 4768] <... unlinkat resumed>) = 0 [pid 4769] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4768] exit_group(0 [pid 4769] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4768] <... exit_group resumed>) = ? [pid 4769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4768] +++ exited with 0 +++ [pid 4769] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4768, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4769] <... mkdirat resumed>) = 0 [pid 4769] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4769] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4769] <... unlinkat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4769] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] umount2("./909", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./899", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./877", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./848", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./909", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./899", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4769] exit_group(0 [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./877", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./848", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4769] <... exit_group resumed>) = ? [pid 309] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] fstat(3 [pid 309] fstat(3 [pid 308] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4769] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4769, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./899/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./909/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./877/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./848/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./899/binderfs" [pid 308] newfstatat(AT_FDCWD, "./909/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./877/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./848/binderfs" [pid 309] unlink("./899/binderfs" [pid 308] unlink("./909/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] unlink("./877/binderfs" [pid 306] unlink("./848/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 306] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./877/config" [pid 309] newfstatat(AT_FDCWD, "./899/config" [pid 308] newfstatat(AT_FDCWD, "./909/config" [pid 306] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./848/config" [pid 309] openat(AT_FDCWD, "./899/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./877/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(4 [pid 308] openat(AT_FDCWD, "./909/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./848/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 308] fstat(4 [pid 307] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./848/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 306] fstat(4 [pid 309] close(4 [pid 308] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./899/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 306] getdents64(4 [pid 308] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 307] rmdir("./877/config" [pid 306] getdents64(4 [pid 308] rmdir("./909/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 310] umount2("./920", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./899" [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] openat(AT_FDCWD, "./920", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] mkdir("./900", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] close(3 [pid 306] rmdir("./848/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] close(3 [pid 310] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4770 attached [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4770] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./920/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4770 [pid 308] rmdir("./909" [pid 307] rmdir("./877" [pid 306] getdents64(3 [pid 4770] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4770] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./920/binderfs" [pid 308] mkdir("./910", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 4770] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] mkdir("./878", 0777 [pid 4770] chdir("./900" [pid 310] unlink("./920/binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4770] <... chdir resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./848" [pid 4770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4770] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4771 attached [pid 4770] setpgid(0, 0 [pid 310] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4771 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4771] set_robust_list(0x55556c898760, 24 [pid 4770] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] mkdir("./849", 0777 [pid 4771] <... set_robust_list resumed>) = 0 [pid 4770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] newfstatat(AT_FDCWD, "./920/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4772 ci2-android-6-1/strace-static-x86_64: Process 4772 attached [pid 4772] set_robust_list(0x55556c898760, 24 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4770] <... openat resumed>) = 3 [pid 310] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4771] rt_sigprocmask(SIG_SETMASK, [] [pid 4770] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4771] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4770] <... write resumed>) = 4 [pid 310] openat(AT_FDCWD, "./920/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4772] <... set_robust_list resumed>) = 0 [pid 4772] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4770] close(3 [pid 310] <... openat resumed>) = 4 [pid 4771] chdir("./878" [pid 4770] <... close resumed>) = 0 [pid 310] fstat(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4773 [pid 4771] <... chdir resumed>) = 0 [pid 4771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4770] symlink("/dev/binderfs", "./binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4771] <... prctl resumed>) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4771] setpgid(0, 0 [pid 4770] <... symlink resumed>) = 0 [pid 310] getdents64(4 [pid 4771] <... setpgid resumed>) = 0 [pid 4770] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4770] <... write resumed>) = 18 [pid 310] close(4) = 0 [pid 4770] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 310] rmdir("./920/config" [pid 4772] chdir("./910" [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./920" [pid 4770] <... mkdirat resumed>) = 0 [pid 4772] <... chdir resumed>) = 0 [pid 4772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4771] <... openat resumed>) = 3 [pid 4770] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rmdir resumed>) = 0 [pid 4771] write(3, "1000", 4 [pid 310] mkdir("./921", 0777 [pid 4772] <... prctl resumed>) = 0 [pid 4772] setpgid(0, 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4771] <... write resumed>) = 4 [pid 4770] <... mount resumed>) = 0 [pid 4771] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4771] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4771] symlink("/dev/binderfs", "./binderfs" [pid 4770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4772] write(3, "1000", 4) = 4 [pid 4770] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4770] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4774 [pid 4771] <... symlink resumed>) = 0 executing program [pid 4772] close(3 [pid 4770] <... mkdirat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4774 attached [pid 4772] <... close resumed>) = 0 [pid 4771] write(1, "executing program\n", 18 [pid 4770] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4771] <... write resumed>) = 18 [pid 4774] set_robust_list(0x55556c898760, 24 [pid 4772] symlink("/dev/binderfs", "./binderfs" [pid 4771] mkdirat(AT_FDCWD, "./config", 0777 [pid 4770] <... symlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4774] <... set_robust_list resumed>) = 0 [pid 4772] <... symlink resumed>) = 0 [pid 4770] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4774] rt_sigprocmask(SIG_SETMASK, [] [pid 4772] write(1, "executing program\n", 18 [pid 4771] <... mkdirat resumed>) = 0 [pid 4770] <... unlinkat resumed>) = 0 [pid 4774] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4772] <... write resumed>) = 18 executing program [pid 4771] mount(NULL, "./config", "configfs", 0, NULL [pid 4770] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-6-1/strace-static-x86_64: Process 4773 attached [pid 4774] chdir("./921" [pid 4772] mkdirat(AT_FDCWD, "./config", 0777 [pid 4771] <... mount resumed>) = 0 [pid 4770] <... unlinkat resumed>) = 0 [pid 4774] <... chdir resumed>) = 0 [pid 4773] set_robust_list(0x55556c898760, 24 [pid 4772] <... mkdirat resumed>) = 0 [pid 4771] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4770] exit_group(0 [pid 4774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4771] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4770] <... exit_group resumed>) = ? [pid 4774] <... prctl resumed>) = 0 [pid 4771] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4773] <... set_robust_list resumed>) = 0 [pid 4772] mount(NULL, "./config", "configfs", 0, NULL [pid 4773] rt_sigprocmask(SIG_SETMASK, [] [pid 4770] +++ exited with 0 +++ [pid 4774] setpgid(0, 0 [pid 4772] <... mount resumed>) = 0 [pid 4771] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4774] <... setpgid resumed>) = 0 [pid 4773] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4771] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4770, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4773] chdir("./849" [pid 4772] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4771] <... mkdirat resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4773] <... chdir resumed>) = 0 [pid 4772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4771] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4774] <... openat resumed>) = 3 [pid 4773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4772] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4774] write(3, "1000", 4 [pid 4773] <... prctl resumed>) = 0 [pid 4772] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4771] <... symlinkat resumed>) = 0 [pid 4774] <... write resumed>) = 4 [pid 4773] setpgid(0, 0 [pid 4772] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4774] close(3 [pid 4773] <... setpgid resumed>) = 0 [pid 4772] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4771] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4774] <... close resumed>) = 0 [pid 4773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4772] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4774] symlink("/dev/binderfs", "./binderfs" [pid 4773] <... openat resumed>) = 3 [pid 4772] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4771] <... unlinkat resumed>) = 0 [pid 4773] write(3, "1000", 4 [pid 4772] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4771] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4774] <... symlink resumed>) = 0 [pid 4773] <... write resumed>) = 4 [pid 4772] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4774] write(1, "executing program\n", 18 [pid 4773] close(3 [pid 4772] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 4771] <... unlinkat resumed>) = 0 [pid 4774] <... write resumed>) = 18 [pid 4773] <... close resumed>) = 0 [pid 4772] exit_group(0 [pid 4774] mkdirat(AT_FDCWD, "./config", 0777 [pid 4773] symlink("/dev/binderfs", "./binderfs" [pid 4772] <... exit_group resumed>) = ? [pid 4771] exit_group(0 [pid 4774] <... mkdirat resumed>) = 0 [pid 4773] <... symlink resumed>) = 0 [pid 4772] +++ exited with 0 +++ [pid 4774] mount(NULL, "./config", "configfs", 0, NULL [pid 4771] <... exit_group resumed>) = ? [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4772, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4773] write(1, "executing program\n", 18 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4773] <... write resumed>) = 18 executing program [pid 4773] mkdirat(AT_FDCWD, "./config", 0777 [pid 4774] <... mount resumed>) = 0 [pid 4773] <... mkdirat resumed>) = 0 [pid 4771] +++ exited with 0 +++ [pid 4774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4773] mount(NULL, "./config", "configfs", 0, NULL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4771, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4774] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4773] <... mount resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4774] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4773] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4774] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4774] <... mkdirat resumed>) = 0 [pid 4773] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4774] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4773] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4774] <... symlinkat resumed>) = 0 [pid 4773] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4774] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4773] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4774] <... unlinkat resumed>) = 0 [pid 4773] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4774] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4773] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4774] <... unlinkat resumed>) = 0 [pid 4773] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4774] exit_group(0 [pid 4773] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4774] <... exit_group resumed>) = ? [pid 4773] exit_group(0) = ? [pid 4774] +++ exited with 0 +++ [pid 4773] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4774, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4773, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./900", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./900", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./900/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./900/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./900/binderfs") = 0 [pid 309] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 309] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./900/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./900/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./878", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] openat(AT_FDCWD, "./878", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 307] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] fstat(3 [pid 309] close(4 [pid 308] umount2("./910", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 309] rmdir("./900/config" [pid 308] openat(AT_FDCWD, "./910", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] umount2("./878/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./878/binderfs" [pid 309] close(3 [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] unlink("./878/binderfs" [pid 309] rmdir("./900" [pid 308] umount2("./910/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./901", 0777 [pid 308] newfstatat(AT_FDCWD, "./910/binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./849", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] unlink("./910/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./878/config" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./849", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4775 [pid 308] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./878/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] fstat(3 [pid 308] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./910/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4775 attached [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 4775] set_robust_list(0x55556c898760, 24 [pid 308] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4775] <... set_robust_list resumed>) = 0 [pid 307] close(4 [pid 4775] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 306] umount2("./849/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4775] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./878/config" [pid 4775] chdir("./901" [pid 308] openat(AT_FDCWD, "./910/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4775] <... chdir resumed>) = 0 [pid 310] umount2("./921", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./849/binderfs" [pid 4775] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4775] <... prctl resumed>) = 0 [pid 310] openat(AT_FDCWD, "./921", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4775] setpgid(0, 0 [pid 307] <... close resumed>) = 0 [pid 4775] <... setpgid resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] getdents64(4 [pid 307] rmdir("./878" [pid 306] unlink("./849/binderfs" [pid 4775] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rmdir resumed>) = 0 [pid 4775] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 307] mkdir("./879", 0777 [pid 306] <... unlink resumed>) = 0 [pid 4775] write(3, "1000", 4 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4775] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] close(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4775] close(3 [pid 310] umount2("./921/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4775] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./910/config" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4775] symlink("/dev/binderfs", "./binderfs" [pid 310] newfstatat(AT_FDCWD, "./921/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4776 attached [pid 4775] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4776 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4775] write(1, "executing program\n", 18 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4775] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4775] mkdirat(AT_FDCWD, "./config", 0777 [pid 4776] set_robust_list(0x55556c898760, 24 [pid 4775] <... mkdirat resumed>) = 0 [pid 310] unlink("./921/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./849/config" [pid 4775] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 308] close(3 [pid 310] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4775] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4775] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./849/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4775] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] rmdir("./910" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4775] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./849/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./921/config" [pid 308] mkdir("./911", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 4 [pid 4775] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4775] exit_group(0 [pid 310] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 306] fstat(4 [pid 4775] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] openat(AT_FDCWD, "./921/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] getdents64(4 [pid 310] fstat(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4776] <... set_robust_list resumed>) = 0 [pid 4775] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 4776] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4776] chdir("./879") = 0 [pid 4776] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4776] setpgid(0, 0) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4775, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 4776] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] close(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./849/config" [pid 310] rmdir("./921/config" [pid 4776] <... openat resumed>) = 3 [pid 4776] write(3, "1000", 4) = 4 [pid 4776] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 4776] <... close resumed>) = 0 [pid 4776] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 310] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 4777 attached [pid 4777] set_robust_list(0x55556c898760, 24 [pid 310] close(3 [pid 306] <... close resumed>) = 0 [pid 4777] <... set_robust_list resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] rmdir("./849" [pid 310] rmdir("./921" [pid 4777] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4777] chdir("./911") = 0 [pid 4777] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4777] setpgid(0, 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] mkdir("./922", 0777 [pid 306] mkdir("./850", 0777 [pid 4777] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4777] write(3, "1000", 4 [pid 310] <... mkdir resumed>) = 0 [pid 4777] <... write resumed>) = 4 [pid 4777] close(3) = 0 [pid 4777] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./901", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 4777] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./901", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4777] <... write resumed>) = 18 [pid 4777] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] fstat(3 [pid 4777] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4778 executing program [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4779 [pid 4777] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4777] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./901/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4777] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./901/binderfs" [pid 4777] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4777] <... symlinkat resumed>) = 0 [pid 309] unlink("./901/binderfs" [pid 4776] write(1, "executing program\n", 18 [pid 4777] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4777] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4777] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 4777] <... exit_group resumed>) = ? executing program ci2-android-6-1/strace-static-x86_64: Process 4779 attached [pid 4777] +++ exited with 0 +++ [pid 4776] <... write resumed>) = 18 [pid 309] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4777, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4778 attached [pid 309] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4778] set_robust_list(0x55556c898760, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4778] <... set_robust_list resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./901/config" [pid 4778] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4778] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4778] chdir("./922" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4778] <... chdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./901/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4 [pid 4778] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4778] <... prctl resumed>) = 0 [pid 309] getdents64(4 [pid 4778] setpgid(0, 0) = 0 [pid 4778] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4778] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 4778] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4778] <... write resumed>) = 4 [pid 309] close(4 [pid 4778] close(3 [pid 309] <... close resumed>) = 0 [pid 4778] <... close resumed>) = 0 [pid 309] rmdir("./901/config" [pid 4778] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4778] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 4778] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 4778] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(3 [pid 4778] <... mkdirat resumed>) = 0 [pid 4776] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... close resumed>) = 0 [pid 4779] set_robust_list(0x55556c898760, 24 [pid 309] rmdir("./901" [pid 4778] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 4778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] mkdir("./902", 0777 [pid 4778] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4778] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4778] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4778] <... symlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4778] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4778] <... unlinkat resumed>) = 0 [pid 4778] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4778] exit_group(0) = ? [pid 4779] <... set_robust_list resumed>) = 0 [pid 4778] +++ exited with 0 +++ [pid 4776] <... mkdirat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4780 attached [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4780 [pid 4776] mount(NULL, "./config", "configfs", 0, NULL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4778, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4780] set_robust_list(0x55556c898760, 24) = 0 [pid 4780] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4780] chdir("./902" [pid 4776] <... mount resumed>) = 0 [pid 4780] <... chdir resumed>) = 0 [pid 4780] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4780] setpgid(0, 0) = 0 [pid 4779] rt_sigprocmask(SIG_SETMASK, [] [pid 4776] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 4776] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4776] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] umount2("./911", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4776] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./911", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4780] <... openat resumed>) = 3 [pid 4776] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... openat resumed>) = 3 [pid 4780] write(3, "1000", 4 [pid 308] fstat(3 [pid 4780] <... write resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4780] close(3) = 0 [pid 4780] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(3 [pid 4776] <... mkdirat resumed>) = 0 [pid 4780] <... symlink resumed>) = 0 [pid 4779] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4776] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./911/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] umount2("./922", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./911/binderfs" [pid 4776] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./922", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] unlink("./911/binderfs" [pid 4776] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 4776] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4776] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./922/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./922/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./922/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 4776] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4776] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./911/config" [pid 310] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4776] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./922/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./922/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./911/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 308] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4776] +++ exited with 0 +++ [pid 310] close(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4776, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rmdir("./922/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 310] close(3) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./922") = 0 [pid 308] close(4 [pid 310] mkdir("./923", 0777) = 0 [pid 308] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rmdir("./911/config" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4781 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 4780] write(1, "executing program\n", 18) = 18 [pid 4779] chdir("./850" [pid 308] <... rmdir resumed>) = 0 [pid 4780] mkdirat(AT_FDCWD, "./config", 0777 [pid 4779] <... chdir resumed>) = 0 [pid 308] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4781 attached [pid 4780] <... mkdirat resumed>) = 0 [pid 4779] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4779] <... prctl resumed>) = 0 [pid 4780] mount(NULL, "./config", "configfs", 0, NULL [pid 4779] setpgid(0, 0 [pid 308] close(3 [pid 4780] <... mount resumed>) = 0 [pid 4779] <... setpgid resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4779] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rmdir("./911" [pid 4780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4779] <... openat resumed>) = 3 [pid 4780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4779] write(3, "1000", 4 [pid 308] <... rmdir resumed>) = 0 [pid 4780] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4779] <... write resumed>) = 4 [pid 308] mkdir("./912", 0777 [pid 4780] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4779] close(3 [pid 4780] <... mkdirat resumed>) = 0 [pid 4779] <... close resumed>) = 0 [pid 4780] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4779] symlink("/dev/binderfs", "./binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 4781] set_robust_list(0x55556c898760, 24 [pid 4780] <... symlinkat resumed>) = 0 [pid 4779] <... symlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4780] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4779] write(1, "executing program\n", 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 4780] <... unlinkat resumed>) = 0 [pid 4779] <... write resumed>) = 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4780] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4779] mkdirat(AT_FDCWD, "./config", 0777 [pid 4780] <... unlinkat resumed>) = 0 [pid 4781] <... set_robust_list resumed>) = 0 [pid 4779] <... mkdirat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4782 attached [pid 4780] exit_group(0 [pid 4779] mount(NULL, "./config", "configfs", 0, NULL [pid 4780] <... exit_group resumed>) = ? [pid 4779] <... mount resumed>) = 0 [pid 4782] set_robust_list(0x55556c898760, 24 [pid 4781] rt_sigprocmask(SIG_SETMASK, [] [pid 4780] +++ exited with 0 +++ [pid 4779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4782 [pid 4779] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4780, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4779] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4782] <... set_robust_list resumed>) = 0 [pid 4781] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4779] <... mkdirat resumed>) = 0 [pid 4779] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4781] chdir("./923" [pid 4779] <... symlinkat resumed>) = 0 [pid 4779] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4779] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4781] <... chdir resumed>) = 0 [pid 4779] <... unlinkat resumed>) = 0 [pid 4779] exit_group(0) = ? [pid 4782] rt_sigprocmask(SIG_SETMASK, [] [pid 4781] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4779] +++ exited with 0 +++ [pid 4782] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4781] <... prctl resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4779, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4781] setpgid(0, 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./879", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4781] <... setpgid resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 309] umount2("./902", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./879", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4781] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 309] openat(AT_FDCWD, "./902", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 4781] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./850", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4781] write(3, "1000", 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./879/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./879/binderfs" [pid 309] getdents64(3 [pid 4781] <... write resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./850", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4781] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] unlink("./879/binderfs" [pid 4782] chdir("./912" [pid 4781] <... close resumed>) = 0 [pid 309] umount2("./902/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4782] <... chdir resumed>) = 0 [pid 4781] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 4782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] newfstatat(AT_FDCWD, "./902/binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4782] <... prctl resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4782] setpgid(0, 0 [pid 4781] <... symlink resumed>) = 0 [pid 309] unlink("./902/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 4782] <... setpgid resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./879/config" [pid 4782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4781] write(1, "executing program\n", 18 [pid 309] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4782] <... openat resumed>) = 3 [pid 4781] <... write resumed>) = 18 [pid 309] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./850/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4782] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4782] <... write resumed>) = 4 [pid 307] openat(AT_FDCWD, "./879/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4782] close(3 [pid 4781] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] newfstatat(AT_FDCWD, "./850/binderfs" [pid 4782] <... close resumed>) = 0 [pid 309] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 4782] symlink("/dev/binderfs", "./binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4782] <... symlink resumed>) = 0 [pid 4781] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 306] unlink("./850/binderfs" [pid 4782] write(1, "executing program\n", 18 [pid 4781] mount(NULL, "./config", "configfs", 0, NULL [pid 309] newfstatat(AT_FDCWD, "./902/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4782] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 306] <... unlink resumed>) = 0 [pid 4782] mkdirat(AT_FDCWD, "./config", 0777 [pid 4781] <... mount resumed>) = 0 [pid 309] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4782] <... mkdirat resumed>) = 0 [pid 4781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] close(4 [pid 4782] mount(NULL, "./config", "configfs", 0, NULL [pid 4781] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./902/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4782] <... mount resumed>) = 0 [pid 4781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rmdir("./879/config" [pid 4782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4781] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4782] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(3 [pid 4782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4781] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4782] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(3 [pid 306] newfstatat(AT_FDCWD, "./850/config" [pid 4782] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 4782] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4781] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rmdir("./879" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4782] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4781] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 4782] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4781] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] mkdir("./880", 0777 [pid 306] umount2("./850/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4782] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4781] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(4 [pid 307] <... mkdir resumed>) = 0 [pid 4782] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4782] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4781] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] rmdir("./902/config" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./850/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4782] <... unlinkat resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4782] exit_group(0 [pid 4781] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4783 attached [pid 4782] <... exit_group resumed>) = ? [pid 4781] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4783 [pid 306] fstat(4 [pid 4783] set_robust_list(0x55556c898760, 24 [pid 4782] +++ exited with 0 +++ [pid 4781] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4781] <... exit_group resumed>) = ? [pid 309] close(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4782, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 4783] <... set_robust_list resumed>) = 0 [pid 4783] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4783] chdir("./880") = 0 [pid 4783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4781] +++ exited with 0 +++ [pid 4783] <... prctl resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4781, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4783] setpgid(0, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4783] <... setpgid resumed>) = 0 [pid 309] rmdir("./902" [pid 306] getdents64(4 [pid 4783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./912", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./903", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 4783] write(3, "1000", 4) = 4 [pid 4783] close(3) = 0 [pid 4783] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./912", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... openat resumed>) = 3 [pid 306] rmdir("./850/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] fstat(3 [pid 4783] write(1, "executing program\n", 18 executing program [pid 306] <... rmdir resumed>) = 0 [pid 4783] <... write resumed>) = 18 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4783] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4784 attached [pid 4783] <... mkdirat resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4784] set_robust_list(0x55556c898760, 24 [pid 4783] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4784 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(3 [pid 4784] <... set_robust_list resumed>) = 0 [pid 4783] <... mount resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./912/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./850" [pid 308] newfstatat(AT_FDCWD, "./912/binderfs" [pid 4784] rt_sigprocmask(SIG_SETMASK, [] [pid 4783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4784] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4783] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] unlink("./912/binderfs" [pid 4783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] mkdir("./851", 0777 [pid 4783] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4783] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 4783] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4784] chdir("./903" [pid 4783] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4784] <... chdir resumed>) = 0 [pid 4783] <... symlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4783] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./923", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4784] <... prctl resumed>) = 0 [pid 4783] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4784] setpgid(0, 0 [pid 4783] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./923", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4784] <... setpgid resumed>) = 0 [pid 4783] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4783] exit_group(0 [pid 310] fstat(3 [pid 4783] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4785 attached [pid 4784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4783] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./912/config" [pid 4785] set_robust_list(0x55556c898760, 24 [pid 4784] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4783, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4785] <... set_robust_list resumed>) = 0 [pid 4784] write(3, "1000", 4 [pid 310] umount2("./923/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4785 [pid 4785] rt_sigprocmask(SIG_SETMASK, [] [pid 4784] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... restart_syscall resumed>) = 0 [pid 4785] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4784] close(3 [pid 310] newfstatat(AT_FDCWD, "./923/binderfs" [pid 308] openat(AT_FDCWD, "./912/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4785] chdir("./851" [pid 4784] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 4 [pid 4785] <... chdir resumed>) = 0 [pid 4784] symlink("/dev/binderfs", "./binderfs" [pid 310] unlink("./923/binderfs" [pid 308] fstat(4 [pid 307] umount2("./880", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4784] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4785] <... prctl resumed>) = 0 [pid 4784] write(1, "executing program\n", 18 executing program [pid 310] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 307] openat(AT_FDCWD, "./880", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4785] setpgid(0, 0 [pid 4784] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... openat resumed>) = 3 [pid 4785] <... setpgid resumed>) = 0 [pid 4784] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 307] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4784] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./923/config" [pid 4785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] close(4 [pid 307] getdents64(3 [pid 4785] <... openat resumed>) = 3 [pid 4784] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4785] write(3, "1000", 4 [pid 4784] <... mount resumed>) = 0 [pid 310] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./912/config" [pid 307] umount2("./880/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4785] <... write resumed>) = 4 [pid 4784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4785] close(3 [pid 4784] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./923/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./880/binderfs" [pid 4785] <... close resumed>) = 0 [pid 4784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 4 [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4785] symlink("/dev/binderfs", "./binderfs" [pid 4784] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] unlink("./880/binderfs" [pid 4785] <... symlink resumed>) = 0 [pid 4784] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 307] <... unlink resumed>) = 0 [pid 4785] write(1, "executing program\n", 18 [pid 4784] <... mkdirat resumed>) = 0 executing program [pid 310] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 307] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4785] <... write resumed>) = 18 [pid 4784] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rmdir("./912" [pid 310] getdents64(4 [pid 307] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4785] mkdirat(AT_FDCWD, "./config", 0777 [pid 4784] <... symlinkat resumed>) = 0 [pid 310] close(4 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4784] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 308] mkdir("./913", 0777 [pid 307] newfstatat(AT_FDCWD, "./880/config" [pid 4785] <... mkdirat resumed>) = 0 [pid 4784] <... unlinkat resumed>) = 0 [pid 310] rmdir("./923/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4785] mount(NULL, "./config", "configfs", 0, NULL [pid 4784] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4784] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4785] <... mount resumed>) = 0 [pid 4784] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./880/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4784] <... exit_group resumed>) = ? [pid 310] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 307] fstat(4 [pid 310] rmdir("./923" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 4785] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4784] +++ exited with 0 +++ [pid 310] mkdir("./924", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4786 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 4785] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4784, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4785] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(4 [pid 4785] <... mkdirat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4787 attached [pid 4785] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rmdir("./880/config" [pid 4787] set_robust_list(0x55556c898760, 24 [pid 4785] <... symlinkat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4787 [pid 307] <... rmdir resumed>) = 0 [pid 4787] <... set_robust_list resumed>) = 0 [pid 4785] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 4787] rt_sigprocmask(SIG_SETMASK, [] [pid 4785] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4787] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4785] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] close(3 [pid 4785] <... unlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4787] chdir("./924" [pid 4785] exit_group(0 [pid 307] rmdir("./880" [pid 4787] <... chdir resumed>) = 0 [pid 4785] <... exit_group resumed>) = ? [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./881", 0777 [pid 4787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4785] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 4787] <... prctl resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4787] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4787] <... setpgid resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4785, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4788 attached [pid 4787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... restart_syscall resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4788] set_robust_list(0x55556c898760, 24 [pid 4787] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4788 [pid 4788] <... set_robust_list resumed>) = 0 [pid 4787] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4788] rt_sigprocmask(SIG_SETMASK, [] [pid 4787] <... write resumed>) = 4 [pid 309] umount2("./903", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4788] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4787] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4788] chdir("./881" [pid 4787] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./903", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4787] symlink("/dev/binderfs", "./binderfs" [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 4788] <... chdir resumed>) = 0 [pid 4787] <... symlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4788] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4787] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 4788] <... prctl resumed>) = 0 [pid 4787] <... write resumed>) = 18 executing program [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4787] mkdirat(AT_FDCWD, "./config", 0777 [pid 4788] setpgid(0, 0 [pid 309] umount2("./903/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4786 attached ) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./903/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./903/binderfs" [pid 4786] set_robust_list(0x55556c898760, 24) = 0 [pid 4788] <... setpgid resumed>) = 0 [pid 4787] <... mkdirat resumed>) = 0 [pid 4786] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 4787] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4788] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4787] <... mount resumed>) = 0 [pid 4788] <... openat resumed>) = 3 [pid 4786] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4788] write(3, "1000", 4 [pid 4787] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4788] <... write resumed>) = 4 [pid 4787] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4786] chdir("./913" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4788] close(3 [pid 4787] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4788] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./903/config" [pid 4788] symlink("/dev/binderfs", "./binderfs" [pid 4787] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4787] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4787] <... mkdirat resumed>) = 0 [pid 4786] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4787] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] openat(AT_FDCWD, "./903/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4788] <... symlink resumed>) = 0 [pid 4787] <... symlinkat resumed>) = 0 [pid 4786] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4788] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 4 [pid 4788] <... write resumed>) = 18 [pid 4787] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] fstat(4 [pid 4788] mkdirat(AT_FDCWD, "./config", 0777 [pid 4787] <... unlinkat resumed>) = 0 [pid 4786] <... prctl resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4787] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4786] setpgid(0, 0 [pid 309] getdents64(4 [pid 4786] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4787] <... unlinkat resumed>) = 0 [pid 4786] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 4788] <... mkdirat resumed>) = 0 [pid 4787] exit_group(0 [pid 4786] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4788] mount(NULL, "./config", "configfs", 0, NULL [pid 4787] <... exit_group resumed>) = ? [pid 4786] write(3, "1000", 4 [pid 309] close(4 [pid 4786] <... write resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./903/config" [pid 4786] close(3) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 4786] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4787] +++ exited with 0 +++ [pid 4786] <... symlink resumed>) = 0 executing program [pid 309] close(3 [pid 4788] <... mount resumed>) = 0 [pid 4786] write(1, "executing program\n", 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4787, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4786] <... write resumed>) = 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 4788] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4786] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] rmdir("./903" [pid 4788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4786] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4788] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4786] mount(NULL, "./config", "configfs", 0, NULL [pid 4788] <... mkdirat resumed>) = 0 [pid 4786] <... mount resumed>) = 0 [pid 309] mkdir("./904", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 4788] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4786] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./924", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4786] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4786] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./924", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... mkdir resumed>) = 0 [pid 4788] <... symlinkat resumed>) = 0 [pid 4786] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 4788] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4786] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4788] <... unlinkat resumed>) = 0 [pid 4786] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./851", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4788] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4786] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4788] <... unlinkat resumed>) = 0 [pid 4786] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4788] exit_group(0 [pid 4786] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./924/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4788] <... exit_group resumed>) = ? [pid 4786] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./851", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4786] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./924/binderfs" [pid 4786] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 4789 attached [pid 4788] +++ exited with 0 +++ [pid 4786] exit_group(0 [pid 310] unlink("./924/binderfs" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4789 [pid 306] fstat(3 [pid 4789] set_robust_list(0x55556c898760, 24 [pid 4786] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4788, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4789] <... set_robust_list resumed>) = 0 [pid 4786] +++ exited with 0 +++ [pid 310] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4789] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 306] getdents64(3 [pid 4789] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4786, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4789] chdir("./904" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4789] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./924/config" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4789] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./851/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4789] <... prctl resumed>) = 0 [pid 310] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4789] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4789] <... setpgid resumed>) = 0 [pid 310] openat(AT_FDCWD, "./924/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4789] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 4 [pid 306] newfstatat(AT_FDCWD, "./851/binderfs" [pid 310] fstat(4 [pid 4789] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4789] write(3, "1000", 4 [pid 310] getdents64(4 [pid 4789] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] unlink("./851/binderfs" [pid 4789] close(3 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4789] <... close resumed>) = 0 [pid 310] close(4 [pid 306] <... unlink resumed>) = 0 [pid 4789] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] rmdir("./924/config" [pid 306] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4789] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4789] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 306] <... umount2 resumed>) = 0 [pid 4789] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 310] close(3 [pid 306] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4789] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 308] umount2("./913", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./924" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4789] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4789] mount(NULL, "./config", "configfs", 0, NULL [pid 310] mkdir("./925", 0777 [pid 306] newfstatat(AT_FDCWD, "./851/config" [pid 4789] <... mount resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./913", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4789] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 4789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./851/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4790 attached [pid 4789] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(3 [pid 4790] set_robust_list(0x55556c898760, 24 [pid 4789] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4790 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4790] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4789] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./851/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4790] rt_sigprocmask(SIG_SETMASK, [] [pid 4789] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(3 [pid 4790] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4789] <... symlinkat resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4789] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] fstat(4 [pid 308] umount2("./913/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./913/binderfs" [pid 4789] <... unlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4789] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(4 [pid 308] unlink("./913/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] close(4 [pid 308] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4790] chdir("./925" [pid 4789] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 306] rmdir("./851/config" [pid 308] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4790] <... chdir resumed>) = 0 [pid 4790] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4789] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 4790] setpgid(0, 0 [pid 4789] <... exit_group resumed>) = ? [pid 308] newfstatat(AT_FDCWD, "./913/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(3 [pid 308] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./851" [pid 308] openat(AT_FDCWD, "./913/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4790] <... setpgid resumed>) = 0 [pid 4790] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 308] fstat(4 [pid 306] mkdir("./852", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4790] <... openat resumed>) = 3 [pid 4790] write(3, "1000", 4 [pid 308] getdents64(4 [pid 306] <... mkdir resumed>) = 0 [pid 4790] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4790] close(3 [pid 4789] +++ exited with 0 +++ [pid 308] getdents64(4 [pid 4790] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4790] symlink("/dev/binderfs", "./binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4789, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] close(4 [pid 307] umount2("./881", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4790] <... symlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4790] write(1, "executing program\n", 18 [pid 308] rmdir("./913/config" executing program [pid 307] openat(AT_FDCWD, "./881", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4790] <... write resumed>) = 18 [pid 309] umount2("./904", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 4790] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 307] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4791 attached [pid 4790] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4791] set_robust_list(0x55556c898760, 24 [pid 4790] mount(NULL, "./config", "configfs", 0, NULL [pid 309] openat(AT_FDCWD, "./904", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 4791] <... set_robust_list resumed>) = 0 [pid 4790] <... mount resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4791 [pid 4791] rt_sigprocmask(SIG_SETMASK, [] [pid 4790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] fstat(3 [pid 308] <... close resumed>) = 0 [pid 307] umount2("./881/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4791] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./913" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./881/binderfs" [pid 4790] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4791] chdir("./852" [pid 4790] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rmdir resumed>) = 0 [pid 307] unlink("./881/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4791] <... chdir resumed>) = 0 [pid 4790] <... mkdirat resumed>) = 0 [pid 309] umount2("./904/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./914", 0777 [pid 307] <... unlink resumed>) = 0 [pid 4791] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4790] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4791] <... prctl resumed>) = 0 [pid 4790] <... symlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./904/binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4791] setpgid(0, 0 [pid 4790] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4791] <... setpgid resumed>) = 0 [pid 4790] <... unlinkat resumed>) = 0 [pid 309] unlink("./904/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4791] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4790] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] newfstatat(AT_FDCWD, "./881/config" [pid 4791] <... openat resumed>) = 3 [pid 4790] <... unlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4791] write(3, "1000", 4 [pid 4790] exit_group(0 [pid 309] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4790] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4792 attached [pid 4791] <... write resumed>) = 4 [pid 4790] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = 0 [pid 307] openat(AT_FDCWD, "./881/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4792] set_robust_list(0x55556c898760, 24 [pid 4791] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4790, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4792 [pid 307] <... openat resumed>) = 4 [pid 4792] <... set_robust_list resumed>) = 0 [pid 4791] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(4 [pid 4792] rt_sigprocmask(SIG_SETMASK, [] [pid 4791] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./904/config" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4792] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4791] <... symlink resumed>) = 0 executing program [pid 310] umount2("./925", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 4792] chdir("./914" [pid 4791] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4792] <... chdir resumed>) = 0 [pid 4791] <... write resumed>) = 18 [pid 310] openat(AT_FDCWD, "./925", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 4792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4791] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./904/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 309] <... openat resumed>) = 4 [pid 307] close(4 [pid 4792] <... prctl resumed>) = 0 [pid 4791] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(4 [pid 307] <... close resumed>) = 0 [pid 4792] setpgid(0, 0 [pid 4791] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rmdir("./881/config" [pid 4792] <... setpgid resumed>) = 0 [pid 4791] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 4792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./925/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(3 [pid 4792] <... openat resumed>) = 3 [pid 4791] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4792] write(3, "1000", 4 [pid 4791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./925/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 4792] <... write resumed>) = 4 [pid 4791] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 307] <... close resumed>) = 0 [pid 4792] close(3 [pid 4791] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] unlink("./925/binderfs" [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./881" [pid 4792] <... close resumed>) = 0 [pid 4791] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./904/config" [pid 307] <... rmdir resumed>) = 0 [pid 4792] symlink("/dev/binderfs", "./binderfs" [pid 4791] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./882", 0777 [pid 4792] <... symlink resumed>) = 0 [pid 4791] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4792] write(1, "executing program\n", 18 [pid 4791] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 310] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4792] <... write resumed>) = 18 [pid 4791] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4792] mkdirat(AT_FDCWD, "./config", 0777 [pid 4791] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./925/config" [pid 309] close(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4793 attached [pid 4792] <... mkdirat resumed>) = 0 [pid 4791] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 4793] set_robust_list(0x55556c898760, 24 [pid 4792] mount(NULL, "./config", "configfs", 0, NULL [pid 4791] exit_group(0 [pid 310] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./904" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4793 [pid 4793] <... set_robust_list resumed>) = 0 [pid 4792] <... mount resumed>) = 0 [pid 4791] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./925/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 4791] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(4 [pid 309] mkdir("./905", 0777 [pid 4793] rt_sigprocmask(SIG_SETMASK, [] [pid 4792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4791, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4793] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4793] chdir("./882" [pid 4792] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4793] <... chdir resumed>) = 0 [pid 4792] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./925/config" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4792] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4793] <... prctl resumed>) = 0 [pid 4792] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 4793] setpgid(0, 0 [pid 4792] <... symlinkat resumed>) = 0 [pid 310] rmdir("./925" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4794 ci2-android-6-1/strace-static-x86_64: Process 4794 attached [pid 4793] <... setpgid resumed>) = 0 [pid 4792] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 4792] <... unlinkat resumed>) = 0 [pid 310] mkdir("./926", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4794] set_robust_list(0x55556c898760, 24 [pid 4792] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4792] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4794] <... set_robust_list resumed>) = 0 [pid 4793] <... openat resumed>) = 3 [pid 4792] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4793] write(3, "1000", 4 [pid 4792] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4794] rt_sigprocmask(SIG_SETMASK, [] [pid 4793] <... write resumed>) = 4 [pid 4792] +++ exited with 0 +++ [pid 4794] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4793] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4795 [pid 4794] chdir("./905" [pid 4793] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4794] <... chdir resumed>) = 0 [pid 4793] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4792, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 4794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4793] <... symlink resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4794] <... prctl resumed>) = 0 [pid 4793] write(1, "executing program\n", 18 [pid 4794] setpgid(0, 0 [pid 4793] <... write resumed>) = 18 [pid 4794] <... setpgid resumed>) = 0 executing program [pid 4793] mkdirat(AT_FDCWD, "./config", 0777 [pid 4794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 4795 attached [pid 4795] set_robust_list(0x55556c898760, 24 [pid 4793] <... mkdirat resumed>) = 0 [pid 4794] <... openat resumed>) = 3 [pid 4793] mount(NULL, "./config", "configfs", 0, NULL [pid 4795] <... set_robust_list resumed>) = 0 [pid 4793] <... mount resumed>) = 0 [pid 4794] write(3, "1000", 4 [pid 4793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4794] <... write resumed>) = 4 [pid 4794] close(3 [pid 4793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4794] <... close resumed>) = 0 [pid 4793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4794] symlink("/dev/binderfs", "./binderfs" [pid 4793] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4793] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4795] rt_sigprocmask(SIG_SETMASK, [] [pid 4794] <... symlink resumed>) = 0 [pid 4793] <... mkdirat resumed>) = 0 [pid 4794] write(1, "executing program\n", 18 [pid 4793] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4794] <... write resumed>) = 18 executing program [pid 4793] <... symlinkat resumed>) = 0 [pid 4794] mkdirat(AT_FDCWD, "./config", 0777 [pid 4793] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4795] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4795] chdir("./926" [pid 4794] <... mkdirat resumed>) = 0 [pid 4794] mount(NULL, "./config", "configfs", 0, NULL [pid 4793] <... unlinkat resumed>) = 0 [pid 4793] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4794] <... mount resumed>) = 0 [pid 4795] <... chdir resumed>) = 0 [pid 4794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4793] <... unlinkat resumed>) = 0 [pid 4794] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4793] exit_group(0 [pid 4794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4793] <... exit_group resumed>) = ? [pid 4795] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4795] setpgid(0, 0) = 0 [pid 4795] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4793] +++ exited with 0 +++ [pid 4794] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4793, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4794] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4795] <... openat resumed>) = 3 [pid 4794] <... mkdirat resumed>) = 0 [pid 4794] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4795] write(3, "1000", 4 [pid 4794] <... symlinkat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4794] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4795] <... write resumed>) = 4 [pid 4794] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./882", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4795] close(3 [pid 4794] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4795] <... close resumed>) = 0 [pid 4794] exit_group(0 [pid 307] openat(AT_FDCWD, "./882", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4795] symlink("/dev/binderfs", "./binderfs" [pid 4794] <... exit_group resumed>) = ? [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./852", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4795] <... symlink resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./882/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4795] write(1, "executing program\n", 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./852", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4795] <... write resumed>) = 18 [pid 4794] +++ exited with 0 +++ executing program [pid 307] newfstatat(AT_FDCWD, "./882/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4795] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... openat resumed>) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4794, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] unlink("./882/binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] fstat(3 [pid 4795] <... mkdirat resumed>) = 0 [pid 307] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4795] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./914", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4795] <... mount resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 4795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] openat(AT_FDCWD, "./914", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./882/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4795] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 307] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./852/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4795] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./882/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4795] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] getdents64(3 [pid 307] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./905", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./852/binderfs" [pid 4795] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./914/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4795] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] openat(AT_FDCWD, "./905", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4795] <... symlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./914/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4795] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] fstat(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 306] unlink("./852/binderfs" [pid 4795] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./914/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 306] <... unlink resumed>) = 0 [pid 4795] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./882/config" [pid 306] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4795] <... unlinkat resumed>) = 0 [pid 309] umount2("./905/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4795] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = 0 [pid 4795] <... exit_group resumed>) = ? [pid 309] newfstatat(AT_FDCWD, "./905/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./914/config" [pid 307] close(3 [pid 309] unlink("./905/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./882" [pid 306] newfstatat(AT_FDCWD, "./852/config" [pid 4795] +++ exited with 0 +++ [pid 309] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4795, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = 0 [pid 308] openat(AT_FDCWD, "./914/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./883", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./852/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./905/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] openat(AT_FDCWD, "./852/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4796 attached [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4796 [pid 4796] set_robust_list(0x55556c898760, 24 [pid 309] openat(AT_FDCWD, "./905/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 4 [pid 308] close(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(4 [pid 309] fstat(4 [pid 4796] <... set_robust_list resumed>) = 0 [pid 4796] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 308] rmdir("./914/config" [pid 4796] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 4796] chdir("./883" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4796] <... chdir resumed>) = 0 [pid 4796] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 306] getdents64(4 [pid 308] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 309] rmdir("./905/config" [pid 306] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4796] setpgid(0, 0) = 0 [pid 4796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./914" [pid 306] rmdir("./852/config" [pid 4796] <... openat resumed>) = 3 [pid 4796] write(3, "1000", 4) = 4 [pid 4796] close(3) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4796] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./915", 0777 [pid 309] close(3 [pid 306] close(3 [pid 4796] write(1, "executing program\n", 18 [pid 309] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4796] <... write resumed>) = 18 [pid 4796] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] rmdir("./905" [pid 308] <... mkdir resumed>) = 0 [pid 306] rmdir("./852" [pid 4796] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) executing program [pid 309] mkdir("./906", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./853", 0777 [pid 4796] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4796] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4796] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4796] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4796] exit_group(0) = ? [pid 4796] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4796, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... restart_syscall resumed>) = 0 [pid 310] umount2("./926", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./926", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4797 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./926/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./926/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./926/binderfs") = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4798 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4799 [pid 310] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./926/config" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./926/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./926/config"ci2-android-6-1/strace-static-x86_64: Process 4798 attached ) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./926" [pid 4798] set_robust_list(0x55556c898760, 24 [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./927", 0777 [pid 4798] <... set_robust_list resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4798] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4800 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4800 attached ci2-android-6-1/strace-static-x86_64: Process 4797 attached [pid 4798] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4797] set_robust_list(0x55556c898760, 24) = 0 [pid 4797] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4797] chdir("./915") = 0 [pid 4797] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4797] setpgid(0, 0) = 0 [pid 4797] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 4799 attached [pid 4799] set_robust_list(0x55556c898760, 24 [pid 4797] <... openat resumed>) = 3 [pid 4799] <... set_robust_list resumed>) = 0 [pid 4799] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./883", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4799] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4797] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4799] chdir("./853" [pid 4797] <... write resumed>) = 4 [pid 307] openat(AT_FDCWD, "./883", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4799] <... chdir resumed>) = 0 [pid 4797] close(3 [pid 307] <... openat resumed>) = 3 [pid 4799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4797] <... close resumed>) = 0 [pid 307] fstat(3 [pid 4799] <... prctl resumed>) = 0 [pid 4798] chdir("./906" [pid 4797] symlink("/dev/binderfs", "./binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4799] setpgid(0, 0 [pid 4798] <... chdir resumed>) = 0 [pid 4797] <... symlink resumed>) = 0 [pid 307] getdents64(3 [pid 4799] <... setpgid resumed>) = 0 [pid 4797] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4797] <... write resumed>) = 18 executing program [pid 307] umount2("./883/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4799] <... openat resumed>) = 3 [pid 4797] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4800] set_robust_list(0x55556c898760, 24 [pid 4799] write(3, "1000", 4 [pid 4798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4797] <... mkdirat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./883/binderfs" [pid 4799] <... write resumed>) = 4 [pid 4797] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4800] <... set_robust_list resumed>) = 0 [pid 4799] close(3 [pid 4798] <... prctl resumed>) = 0 [pid 4797] <... mount resumed>) = 0 [pid 307] unlink("./883/binderfs" [pid 4799] <... close resumed>) = 0 [pid 4798] setpgid(0, 0 [pid 4797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4800] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... unlink resumed>) = 0 [pid 4799] symlink("/dev/binderfs", "./binderfs" [pid 4797] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4800] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4799] <... symlink resumed>) = 0 [pid 4798] <... setpgid resumed>) = 0 [pid 4797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... umount2 resumed>) = 0 [pid 4797] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4797] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4797] <... mkdirat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./883/config" [pid 4798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4797] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4797] <... symlinkat resumed>) = 0 [pid 307] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4798] <... openat resumed>) = 3 [pid 4797] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4797] <... unlinkat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./883/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4797] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... openat resumed>) = 4 [pid 4799] write(1, "executing program\n", 18 [pid 4798] write(3, "1000", 4 [pid 4797] <... unlinkat resumed>) = 0 [pid 307] fstat(4 [pid 4800] chdir("./927" [pid 4797] exit_group(0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4798] <... write resumed>) = 4 [pid 4797] <... exit_group resumed>) = ? executing program [pid 307] getdents64(4 [pid 4800] <... chdir resumed>) = 0 [pid 4799] <... write resumed>) = 18 [pid 4798] close(3 [pid 4797] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4797, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4798] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(4 [pid 4798] symlink("/dev/binderfs", "./binderfs" [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./883/config") = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4798] <... symlink resumed>) = 0 [pid 307] close(3 [pid 4798] write(1, "executing program\n", 18 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4798] <... write resumed>) = 18 executing program [pid 307] rmdir("./883" [pid 4798] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 308] umount2("./915", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./884", 0777 [pid 4798] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 4798] mount(NULL, "./config", "configfs", 0, NULL [pid 308] openat(AT_FDCWD, "./915", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4800] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4799] mkdirat(AT_FDCWD, "./config", 0777 [pid 4798] <... mount resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 4798] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] fstat(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4801 [pid 4798] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4798] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4801 attached [pid 4801] set_robust_list(0x55556c898760, 24 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4798] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./915/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4801] <... set_robust_list resumed>) = 0 [pid 4798] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./915/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./915/binderfs" [pid 4801] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4801] chdir("./884") = 0 [pid 4801] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4798] <... mkdirat resumed>) = 0 [pid 308] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4801] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4798] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] newfstatat(AT_FDCWD, "./915/config" [pid 4801] <... setpgid resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4798] <... symlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./915/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4798] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 4801] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4798] <... unlinkat resumed>) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4798] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 4801] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 4801] write(3, "1000", 4 [pid 308] rmdir("./915/config" [pid 4801] <... write resumed>) = 4 [pid 4801] close(3) = 0 [pid 4801] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 4798] <... unlinkat resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 4798] exit_group(0 [pid 308] rmdir("./915" [pid 4801] <... symlink resumed>) = 0 [pid 4801] write(1, "executing program\n", 18) = 18 [pid 4801] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 4798] <... exit_group resumed>) = ? executing program [pid 308] mkdir("./916", 0777 [pid 4801] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4801] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4801] <... mount resumed>) = 0 [pid 4801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4801] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4802 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4801] <... mkdirat resumed>) = 0 [pid 4801] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4798] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4798, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4801] <... symlinkat resumed>) = 0 [pid 4801] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4801] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4801] exit_group(0) = ? [pid 4799] <... mkdirat resumed>) = 0 [pid 4799] mount(NULL, "./config", "configfs", 0, NULL [pid 4800] <... prctl resumed>) = 0 [pid 4799] <... mount resumed>) = 0 [pid 4800] setpgid(0, 0 [pid 4801] +++ exited with 0 +++ [pid 4800] <... setpgid resumed>) = 0 [pid 4799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4801, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4802 attached [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4802] set_robust_list(0x55556c898760, 24 [pid 4799] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4802] <... set_robust_list resumed>) = 0 [pid 4802] rt_sigprocmask(SIG_SETMASK, [] [pid 4799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4802] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4800] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4799] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4802] chdir("./916") = 0 [pid 4802] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4802] setpgid(0, 0) = 0 [pid 4802] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4799] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4800] <... openat resumed>) = 3 [pid 4802] <... openat resumed>) = 3 [pid 4802] write(3, "1000", 4) = 4 [pid 4799] <... mkdirat resumed>) = 0 [pid 4800] write(3, "1000", 4 [pid 4802] close(3) = 0 [pid 4802] symlink("/dev/binderfs", "./binderfs" [pid 4799] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4800] <... write resumed>) = 4 [pid 4802] <... symlink resumed>) = 0 executing program [pid 4802] write(1, "executing program\n", 18) = 18 [pid 4802] mkdirat(AT_FDCWD, "./config", 0777 [pid 4799] <... symlinkat resumed>) = 0 [pid 4800] close(3 [pid 4799] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4800] <... close resumed>) = 0 [pid 4802] <... mkdirat resumed>) = 0 [pid 4802] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4800] symlink("/dev/binderfs", "./binderfs" [pid 4799] <... unlinkat resumed>) = 0 [pid 4802] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4802] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4802] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4802] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4799] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4802] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4800] <... symlink resumed>) = 0 [pid 4802] <... unlinkat resumed>) = 0 [pid 4800] write(1, "executing program\n", 18 [pid 4799] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4800] <... write resumed>) = 18 executing program [pid 4799] exit_group(0) = ? [pid 4800] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 4799] +++ exited with 0 +++ [pid 309] umount2("./906", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4799, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./906", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 4802] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./853", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4800] <... mkdirat resumed>) = 0 [pid 309] umount2("./906/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4800] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4802] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4800] <... mount resumed>) = 0 [pid 306] openat(AT_FDCWD, "./853", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4802] +++ exited with 0 +++ [pid 4800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] newfstatat(AT_FDCWD, "./906/binderfs" [pid 306] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./884", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 309] unlink("./906/binderfs" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4802, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./884", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4800] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 4800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... openat resumed>) = 3 [pid 4800] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4800] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./916", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] umount2("./853/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./906/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./916", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./884/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./853/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./906/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./884/binderfs" [pid 306] unlink("./853/binderfs" [pid 309] fstat(4 [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4800] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] unlink("./884/binderfs" [pid 306] <... unlink resumed>) = 0 [pid 4800] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(4 [pid 308] umount2("./916/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 306] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./916/binderfs" [pid 307] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] close(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4800] <... symlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] unlink("./916/binderfs" [pid 307] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4800] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rmdir("./906/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./853/config" [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./884/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 306] umount2("./853/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./853/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] rmdir("./906" [pid 308] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./884/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(4 [pid 4800] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./907", 0777 [pid 307] <... openat resumed>) = 4 [pid 4800] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 306] getdents64(4 [pid 4800] exit_group(0) = ? [pid 4800] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./916/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4800, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./916/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4803 attached ) = 4 [pid 307] getdents64(4 [pid 306] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4803 [pid 308] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(4 [pid 306] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./853/config" [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./884/config" [pid 308] close(4) = 0 [pid 308] rmdir("./916/config") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4803] set_robust_list(0x55556c898760, 24 [pid 306] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 4803] <... set_robust_list resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 307] close(3 [pid 306] close(3 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./916" [pid 307] <... close resumed>) = 0 [pid 4803] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./884" [pid 306] <... close resumed>) = 0 [pid 308] mkdir("./917", 0777 [pid 4803] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./853" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] mkdir("./885", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4803] chdir("./907" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4804 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./854", 0777 [pid 4803] <... chdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4804 attached [pid 4804] set_robust_list(0x55556c898760, 24) = 0 [pid 4804] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4804] chdir("./917") = 0 [pid 4804] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4804] setpgid(0, 0) = 0 [pid 4803] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4805 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4803] <... prctl resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4803] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4804] <... openat resumed>) = 3 [pid 4804] write(3, "1000", 4) = 4 [pid 4804] close(3) = 0 [pid 4804] symlink("/dev/binderfs", "./binderfs" [pid 4803] <... setpgid resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4806 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] umount2("./927", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4803] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] openat(AT_FDCWD, "./927", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 4803] <... openat resumed>) = 3 [pid 4804] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4803] write(3, "1000", 4 [pid 310] umount2("./927/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4804] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4803] <... write resumed>) = 4 [pid 4804] <... write resumed>) = 18 [pid 4804] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./927/binderfs" [pid 4803] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4803] <... close resumed>) = 0 executing program [pid 310] unlink("./927/binderfs") = 0 [pid 4803] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4804] <... mkdirat resumed>) = 0 [pid 310] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4804] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./927/config" [pid 4803] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4803] write(1, "executing program\n", 18 [pid 310] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4803] <... write resumed>) = 18 executing program [pid 310] openat(AT_FDCWD, "./927/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4 [pid 4803] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4804] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 4804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4804] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 4804] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4804] <... mkdirat resumed>) = 0 [pid 4803] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 4804] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4803] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 4804] <... symlinkat resumed>) = 0 [pid 4803] <... mount resumed>) = 0 [pid 310] rmdir("./927/config" [pid 4804] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4804] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 4804] exit_group(0 [pid 4803] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] close(3 [pid 4804] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4806 attached [pid 4804] +++ exited with 0 +++ [pid 4803] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 4803] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rmdir("./927" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4804, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4805 attached [pid 4805] set_robust_list(0x55556c898760, 24) = 0 [pid 4805] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 4805] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] mkdir("./928", 0777 [pid 4805] chdir("./885") = 0 [pid 4805] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4805] setpgid(0, 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4803] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4803] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4805] <... openat resumed>) = 3 [pid 4805] write(3, "1000", 4) = 4 [pid 4805] close(3) = 0 [pid 4805] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4805] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4807 [pid 4805] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4805] mkdirat(AT_FDCWD, "./config", 0777 [pid 4803] <... symlinkat resumed>) = 0 executing program [pid 4806] set_robust_list(0x55556c898760, 24 [pid 4805] <... mkdirat resumed>) = 0 [pid 4803] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4805] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4803] <... unlinkat resumed>) = 0 [pid 4805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4806] <... set_robust_list resumed>) = 0 [pid 4803] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4805] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4805] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4805] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4803] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4805] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4806] rt_sigprocmask(SIG_SETMASK, [] [pid 4805] <... unlinkat resumed>) = 0 [pid 4803] exit_group(0 [pid 4805] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4806] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4805] <... unlinkat resumed>) = 0 [pid 4803] <... exit_group resumed>) = ? [pid 4805] exit_group(0) = ? [pid 4803] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4803, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4806] chdir("./854" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./917", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4806] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./917", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 4806] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./917/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4806] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4806] setpgid(0, 0 [pid 308] newfstatat(AT_FDCWD, "./917/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./917/binderfs" [pid 4806] <... setpgid resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 308] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4806] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./917/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4806] <... openat resumed>) = 3 [pid 308] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4806] write(3, "1000", 4 [pid 308] openat(AT_FDCWD, "./917/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4806] <... write resumed>) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./917/config" [pid 4806] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 308] rmdir("./917") = 0 [pid 308] mkdir("./918", 0777 [pid 4806] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4806] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4806] <... symlink resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4808 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4808 attached [pid 4806] write(1, "executing program\n", 18 [pid 4805] +++ exited with 0 +++ [pid 4806] <... write resumed>) = 18 executing program [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4805, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4807 attached [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4806] mkdirat(AT_FDCWD, "./config", 0777 [pid 4807] set_robust_list(0x55556c898760, 24) = 0 [pid 4807] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4807] chdir("./928") = 0 [pid 4807] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4807] setpgid(0, 0) = 0 [pid 4807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4807] write(3, "1000", 4) = 4 [pid 4807] close(3) = 0 [pid 4807] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4806] <... mkdirat resumed>) = 0 [pid 4808] set_robust_list(0x55556c898760, 24 [pid 4806] mount(NULL, "./config", "configfs", 0, NULL [pid 4807] write(1, "executing program\n", 18) = 18 [pid 4806] <... mount resumed>) = 0 executing program [pid 4807] mkdirat(AT_FDCWD, "./config", 0777 [pid 4806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4808] <... set_robust_list resumed>) = 0 [pid 4807] <... mkdirat resumed>) = 0 [pid 4806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4807] mount(NULL, "./config", "configfs", 0, NULL [pid 4806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4807] <... mount resumed>) = 0 [pid 4806] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4806] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4807] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4806] <... mkdirat resumed>) = 0 [pid 4807] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4806] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4807] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 4806] <... symlinkat resumed>) = 0 [pid 4807] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4806] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4807] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4806] <... unlinkat resumed>) = 0 [pid 4807] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4806] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4807] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4806] <... unlinkat resumed>) = 0 [pid 4807] exit_group(0 [pid 4806] exit_group(0 [pid 4807] <... exit_group resumed>) = ? [pid 309] <... restart_syscall resumed>) = 0 [pid 4806] <... exit_group resumed>) = ? [pid 4807] +++ exited with 0 +++ [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4807, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./907", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4806] +++ exited with 0 +++ [pid 4808] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./907", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./928", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4806, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./928", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] fstat(3 [pid 4808] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 4808] chdir("./918" [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4808] <... chdir resumed>) = 0 [pid 4808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./907/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./928/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./907/binderfs" [pid 310] newfstatat(AT_FDCWD, "./928/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./907/binderfs" [pid 310] unlink("./928/binderfs" [pid 4808] <... prctl resumed>) = 0 [pid 4808] setpgid(0, 0) = 0 [pid 4808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4808] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4808] <... write resumed>) = 4 [pid 310] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4808] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4808] <... close resumed>) = 0 [pid 4808] symlink("/dev/binderfs", "./binderfs" [pid 310] newfstatat(AT_FDCWD, "./928/config" [pid 309] newfstatat(AT_FDCWD, "./907/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./928/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./907/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4808] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 executing program [pid 310] fstat(4 [pid 309] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4808] write(1, "executing program\n", 18 [pid 310] getdents64(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] getdents64(4 [pid 307] umount2("./885", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4808] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4808] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 307] openat(AT_FDCWD, "./885", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./854", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 309] close(4 [pid 307] fstat(3 [pid 306] openat(AT_FDCWD, "./854", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./928/config" [pid 309] rmdir("./907/config" [pid 306] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 4808] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] fstat(3 [pid 4808] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 307] umount2("./885/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4808] <... mount resumed>) = 0 [pid 310] close(3 [pid 309] close(3 [pid 307] newfstatat(AT_FDCWD, "./885/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 310] rmdir("./928" [pid 309] rmdir("./907" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./854/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 307] unlink("./885/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4808] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./854/binderfs" [pid 310] mkdir("./929", 0777 [pid 4808] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] mkdir("./908", 0777 [pid 307] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4808] <... symlinkat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4808] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] unlink("./854/binderfs" [pid 4808] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... umount2 resumed>) = 0 [pid 4808] <... unlinkat resumed>) = 0 [pid 4808] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 4808] <... exit_group resumed>) = ? [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 4808] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4808, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./854/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./885/config" [pid 306] umount2("./854/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./854/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4809 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(4ci2-android-6-1/strace-static-x86_64: Process 4810 attached ci2-android-6-1/strace-static-x86_64: Process 4809 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4810 [pid 307] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 4810] set_robust_list(0x55556c898760, 24 [pid 4809] set_robust_list(0x55556c898760, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4810] <... set_robust_list resumed>) = 0 [pid 4809] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./885/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] close(4 [pid 307] fstat(4 [pid 306] <... close resumed>) = 0 [pid 4810] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./854/config" [pid 4810] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4809] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] close(3 [pid 4810] chdir("./908" [pid 4809] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4810] <... chdir resumed>) = 0 [pid 306] rmdir("./854" [pid 4810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4809] chdir("./929" [pid 307] close(4 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./855", 0777 [pid 4810] <... prctl resumed>) = 0 [pid 4809] <... chdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4810] setpgid(0, 0 [pid 4809] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rmdir("./885/config" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4810] <... setpgid resumed>) = 0 [pid 4809] <... prctl resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4811 [pid 4810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4809] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4811 attached [pid 4810] <... openat resumed>) = 3 [pid 4811] set_robust_list(0x55556c898760, 24 [pid 4809] <... setpgid resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4811] <... set_robust_list resumed>) = 0 [pid 4810] write(3, "1000", 4 [pid 307] rmdir("./885" [pid 4809] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4810] <... write resumed>) = 4 [pid 4811] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4811] chdir("./855" [pid 4810] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 4811] <... chdir resumed>) = 0 [pid 4809] <... openat resumed>) = 3 [pid 4810] <... close resumed>) = 0 [pid 307] mkdir("./886", 0777 [pid 4809] write(3, "1000", 4 [pid 4811] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4811] setpgid(0, 0) = 0 [pid 4811] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4811] write(3, "1000", 4) = 4 [pid 4811] close(3) = 0 [pid 4811] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4811] write(1, "executing program\n", 18) = 18 executing program [pid 4811] mkdirat(AT_FDCWD, "./config", 0777 [pid 4810] symlink("/dev/binderfs", "./binderfs" [pid 4809] <... write resumed>) = 4 [pid 307] <... mkdir resumed>) = 0 [pid 4811] <... mkdirat resumed>) = 0 [pid 4810] <... symlink resumed>) = 0 [pid 4809] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4811] mount(NULL, "./config", "configfs", 0, NULL [pid 4810] write(1, "executing program\n", 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4809] <... close resumed>) = 0 executing program [pid 4811] <... mount resumed>) = 0 [pid 4810] <... write resumed>) = 18 [pid 4809] symlink("/dev/binderfs", "./binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4810] mkdirat(AT_FDCWD, "./config", 0777 [pid 4811] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4811] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4811] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4811] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4810] <... mkdirat resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4812 [pid 4811] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4810] mount(NULL, "./config", "configfs", 0, NULL [pid 4809] <... symlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4811] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4810] <... mount resumed>) = 0 [pid 4809] write(1, "executing program\n", 18 [pid 4810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777ci2-android-6-1/strace-static-x86_64: Process 4812 attached [pid 4811] <... exit_group resumed>) = ? [pid 4809] <... write resumed>) = 18 executing program [pid 4811] +++ exited with 0 +++ [pid 4810] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4809] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 4810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4811, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./918", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./918", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4809] <... mkdirat resumed>) = 0 [pid 4810] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4810] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4809] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./918/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4810] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./918/binderfs" [pid 4810] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4809] <... mount resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./918/binderfs") = 0 [pid 308] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4810] <... symlinkat resumed>) = 0 [pid 4809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4810] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./918/config" [pid 4810] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4809] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4810] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] openat(AT_FDCWD, "./918/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 4810] <... unlinkat resumed>) = 0 [pid 4809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4810] exit_group(0 [pid 308] getdents64(4 [pid 4810] <... exit_group resumed>) = ? [pid 4809] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./918/config" [pid 4809] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 4812] set_robust_list(0x55556c898760, 24 [pid 308] getdents64(3 [pid 4812] <... set_robust_list resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4812] rt_sigprocmask(SIG_SETMASK, [] [pid 308] close(3 [pid 4812] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4809] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4812] chdir("./886" [pid 4810] +++ exited with 0 +++ [pid 4809] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rmdir("./918" [pid 4812] <... chdir resumed>) = 0 [pid 4809] <... symlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4809] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4810, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] mkdir("./919", 0777 [pid 4812] <... prctl resumed>) = 0 [pid 4809] <... unlinkat resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... mkdir resumed>) = 0 [pid 4812] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4812] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4809] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4812] <... openat resumed>) = 3 [pid 4809] <... unlinkat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4813 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4813 attached [pid 4813] set_robust_list(0x55556c898760, 24) = 0 [pid 4813] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4813] chdir("./919") = 0 [pid 4809] exit_group(0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4813] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4813] setpgid(0, 0) = 0 [pid 4813] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4813] write(3, "1000", 4) = 4 [pid 4813] close(3) = 0 [pid 4813] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4812] write(3, "1000", 4 [pid 4809] <... exit_group resumed>) = ? [pid 4813] write(1, "executing program\n", 18) = 18 [pid 4813] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4809] +++ exited with 0 +++ [pid 306] umount2("./855", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 4812] <... write resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4809, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4813] mount(NULL, "./config", "configfs", 0, NULL [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4812] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4813] <... mount resumed>) = 0 [pid 4812] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./855", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4813] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4812] symlink("/dev/binderfs", "./binderfs" [pid 306] <... openat resumed>) = 3 [pid 4813] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] fstat(3 [pid 4813] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4813] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4812] <... symlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4813] <... mkdirat resumed>) = 0 [pid 4812] write(1, "executing program\n", 18 [pid 306] getdents64(3 [pid 4813] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4812] <... write resumed>) = 18 executing program [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4813] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./855/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4812] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4813] <... unlinkat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./855/binderfs" [pid 4813] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4813] exit_group(0 [pid 4812] <... mkdirat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4813] <... exit_group resumed>) = ? [pid 4812] mount(NULL, "./config", "configfs", 0, NULL [pid 306] unlink("./855/binderfs" [pid 4813] +++ exited with 0 +++ [pid 4812] <... mount resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4813, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4812] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = 0 [pid 4812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4812] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4812] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] newfstatat(AT_FDCWD, "./855/config" [pid 4812] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4812] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 306] umount2("./855/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4812] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4812] exit_group(0) = ? [pid 4812] +++ exited with 0 +++ [pid 306] openat(AT_FDCWD, "./855/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4812, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./855/config") = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./855") = 0 [pid 306] mkdir("./856", 0777) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4814 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./929", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./929", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./908", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4814 attached [pid 310] <... openat resumed>) = 3 [pid 4814] set_robust_list(0x55556c898760, 24) = 0 [pid 4814] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4814] chdir("./856") = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 4814] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] openat(AT_FDCWD, "./908", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 4814] <... prctl resumed>) = 0 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 4814] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4814] <... setpgid resumed>) = 0 [pid 310] umount2("./929/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./929/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4814] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./908/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 310] unlink("./929/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... restart_syscall resumed>) = 0 [pid 4814] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./908/binderfs" [pid 310] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./919", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4814] write(3, "1000", 4 [pid 309] unlink("./908/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 307] umount2("./886", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4814] <... write resumed>) = 4 [pid 4814] close(3 [pid 309] <... unlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./919", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./886", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./929/config" [pid 309] <... umount2 resumed>) = 0 [pid 308] fstat(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./908/config" [pid 310] openat(AT_FDCWD, "./929/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./919/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 310] fstat(4 [pid 309] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4814] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4814] symlink("/dev/binderfs", "./binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./919/binderfs" [pid 4814] <... symlink resumed>) = 0 [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./908/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./886/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 4 [pid 308] unlink("./919/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 4814] write(1, "executing program\n", 18) = 18 [pid 309] fstat(4 [pid 4814] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./886/binderfs" [pid 310] close(4 [pid 309] getdents64(4 [pid 308] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] rmdir("./929/config" [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = 0 [pid 307] unlink("./886/binderfs" [pid 4814] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 308] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 307] <... umount2 resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./919/config" [pid 310] <... close resumed>) = 0 [pid 309] rmdir("./908/config" [pid 307] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./929" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4814] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./886/config" [pid 310] mkdir("./930", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./919/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4814] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4814] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... mkdir resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(3 [pid 308] fstat(4 [pid 4814] <... symlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./908" [pid 308] getdents64(4 [pid 307] openat(AT_FDCWD, "./886/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4814] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4814] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4814] exit_group(0) = ? [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... openat resumed>) = 4 [pid 4814] +++ exited with 0 +++ [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4815 [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] fstat(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4814, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4815 attached [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./909", 0777 [pid 308] close(4 [pid 307] getdents64(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4815] set_robust_list(0x55556c898760, 24 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4815] <... set_robust_list resumed>) = 0 [pid 4815] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./919/config" [pid 307] getdents64(4 [pid 4815] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4815] chdir("./930" [pid 308] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 4815] <... chdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4815] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./886/config"ci2-android-6-1/strace-static-x86_64: Process 4816 attached [pid 4815] <... prctl resumed>) = 0 [pid 308] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 4815] setpgid(0, 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4816 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 4816] set_robust_list(0x55556c898760, 24 [pid 4815] <... setpgid resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./919" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4816] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./886" [pid 4816] rt_sigprocmask(SIG_SETMASK, [] [pid 4815] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4816] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] mkdir("./920", 0777 [pid 307] mkdir("./887", 0777) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4817 attached [pid 4816] chdir("./909" [pid 4815] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4817] set_robust_list(0x55556c898760, 24 [pid 4816] <... chdir resumed>) = 0 [pid 4815] write(3, "1000", 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4817 [pid 306] <... restart_syscall resumed>) = 0 [pid 4817] <... set_robust_list resumed>) = 0 [pid 4816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4815] <... write resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4816] <... prctl resumed>) = 0 [pid 4815] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4817] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4817] chdir("./887" [pid 4816] setpgid(0, 0 [pid 4815] <... close resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4818 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./856", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4817] <... chdir resumed>) = 0 [pid 4816] <... setpgid resumed>) = 0 [pid 4815] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4815] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./856", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4817] <... prctl resumed>) = 0 [pid 4816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4815] write(1, "executing program\n", 18 [pid 306] <... openat resumed>) = 3 [pid 4815] <... write resumed>) = 18 executing program [pid 306] fstat(3 [pid 4816] <... openat resumed>) = 3 [pid 4815] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4817] setpgid(0, 0 [pid 4816] write(3, "1000", 4ci2-android-6-1/strace-static-x86_64: Process 4818 attached [pid 4818] set_robust_list(0x55556c898760, 24) = 0 [pid 4818] rt_sigprocmask(SIG_SETMASK, [] [pid 4815] <... mkdirat resumed>) = 0 [pid 4816] <... write resumed>) = 4 [pid 306] getdents64(3 [pid 4815] mount(NULL, "./config", "configfs", 0, NULL [pid 4817] <... setpgid resumed>) = 0 [pid 4816] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4816] <... close resumed>) = 0 [pid 4815] <... mount resumed>) = 0 [pid 306] umount2("./856/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4818] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4816] symlink("/dev/binderfs", "./binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4815] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] newfstatat(AT_FDCWD, "./856/binderfs" [pid 4815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4815] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] unlink("./856/binderfs" [pid 4815] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4818] chdir("./920" [pid 306] <... unlink resumed>) = 0 [pid 4818] <... chdir resumed>) = 0 [pid 4818] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4815] <... mkdirat resumed>) = 0 [pid 306] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4815] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4818] setpgid(0, 0 [pid 306] <... umount2 resumed>) = 0 [pid 4818] <... setpgid resumed>) = 0 [pid 4818] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4816] <... symlink resumed>) = 0 [pid 4815] <... symlinkat resumed>) = 0 [pid 306] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4816] write(1, "executing program\n", 18 [pid 4815] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4816] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4815] <... unlinkat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./856/config" [pid 4816] mkdirat(AT_FDCWD, "./config", 0777 [pid 4815] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4817] <... openat resumed>) = 3 [pid 4815] <... unlinkat resumed>) = 0 [pid 306] umount2("./856/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4818] <... openat resumed>) = 3 [pid 4815] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4815] <... exit_group resumed>) = ? [pid 306] openat(AT_FDCWD, "./856/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4817] write(3, "1000", 4) = 4 [pid 4817] close(3 [pid 4818] write(3, "1000", 4 [pid 4817] <... close resumed>) = 0 [pid 4818] <... write resumed>) = 4 [pid 4818] close(3) = 0 [pid 4817] symlink("/dev/binderfs", "./binderfs" [pid 4815] +++ exited with 0 +++ [pid 4817] <... symlink resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4816] <... mkdirat resumed>) = 0 executing program [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4815, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] fstat(4 [pid 4816] mount(NULL, "./config", "configfs", 0, NULL [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4818] symlink("/dev/binderfs", "./binderfs" [pid 4817] write(1, "executing program\n", 18 [pid 306] getdents64(4 [pid 4816] <... mount resumed>) = 0 [pid 4818] <... symlink resumed>) = 0 [pid 4817] <... write resumed>) = 18 [pid 4816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(4 [pid 4816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4818] write(1, "executing program\n", 18 executing program [pid 4817] mkdirat(AT_FDCWD, "./config", 0777 [pid 4816] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] close(4 [pid 4816] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... close resumed>) = 0 executing program [pid 4818] <... write resumed>) = 18 [pid 4817] <... mkdirat resumed>) = 0 [pid 4816] <... mkdirat resumed>) = 0 [pid 306] rmdir("./856/config" [pid 4817] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 4816] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4818] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] getdents64(3 [pid 4817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4816] <... symlinkat resumed>) = 0 [pid 306] close(3 [pid 4816] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... close resumed>) = 0 [pid 4817] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] rmdir("./856" [pid 4816] <... unlinkat resumed>) = 0 [pid 4817] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4817] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4816] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] mkdir("./857", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 4817] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4817] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4816] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... mkdir resumed>) = 0 [pid 4817] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4816] exit_group(0 [pid 310] umount2("./930", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4816] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./930", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4817] <... exit_group resumed>) = ? [pid 4817] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4819 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4817, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4819 attached [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4819] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./930/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4819] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4819] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./930/binderfs" [pid 4816] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4816, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4818] <... mkdirat resumed>) = 0 [pid 310] unlink("./930/binderfs" [pid 4819] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4819] chdir("./857" [pid 310] <... unlink resumed>) = 0 [pid 4819] <... chdir resumed>) = 0 [pid 4818] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4819] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4819] setpgid(0, 0 [pid 309] umount2("./909", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 4819] <... setpgid resumed>) = 0 [pid 4819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4818] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./909", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./930/config" [pid 309] <... openat resumed>) = 3 [pid 4818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 310] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 310] openat(AT_FDCWD, "./930/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4819] <... openat resumed>) = 3 [pid 4818] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4819] write(3, "1000", 4 [pid 310] fstat(4 [pid 4818] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./909/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./909/binderfs" [pid 4819] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 309] unlink("./909/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4819] close(3) = 0 [pid 4819] symlink("/dev/binderfs", "./binderfs" [pid 309] <... unlink resumed>) = 0 [pid 310] close(4 [pid 4818] <... mkdirat resumed>) = 0 [pid 309] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4818] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./930/config" [pid 309] <... umount2 resumed>) = 0 [pid 4819] <... symlink resumed>) = 0 [pid 4819] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./909/config" [pid 310] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4819] <... write resumed>) = 18 [pid 309] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 307] umount2("./887", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./930" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4819] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4818] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./909/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./887", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4818] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] mkdir("./931", 0777 [pid 309] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 3 [pid 4819] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(4 [pid 307] fstat(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4818] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4818] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(4 [pid 307] getdents64(3 [pid 4819] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4819] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4819] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4819] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4820 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./887/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4819] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./887/binderfs" [pid 4818] <... unlinkat resumed>) = 0 [pid 309] close(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 307] unlink("./887/binderfs" [pid 309] rmdir("./909/config" [pid 4819] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4819] exit_group(0 [pid 307] <... unlink resumed>) = 0 [pid 4819] <... exit_group resumed>) = ? [pid 4819] +++ exited with 0 +++ [pid 4818] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4820 attached [pid 309] getdents64(3 [pid 4818] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 309] close(3 [pid 307] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4819, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rmdir("./909" [pid 307] newfstatat(AT_FDCWD, "./887/config" [pid 4820] set_robust_list(0x55556c898760, 24) = 0 [pid 4820] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./910", 0777 [pid 307] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4820] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4820] chdir("./931") = 0 [pid 4820] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./887/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4820] setpgid(0, 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 4 [pid 4820] <... setpgid resumed>) = 0 [pid 4820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4820] write(3, "1000", 4) = 4 [pid 4820] close(3 [pid 307] fstat(4 [pid 4820] <... close resumed>) = 0 [pid 4820] symlink("/dev/binderfs", "./binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4821 [pid 307] getdents64(4 [pid 4820] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4818] +++ exited with 0 +++ [pid 307] close(4 [pid 4820] write(1, "executing program\n", 18 [pid 307] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4818, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./887/config" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4820] <... write resumed>) = 18 executing program [pid 4820] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4820] mount(NULL, "./config", "configfs", 0, NULL [pid 307] getdents64(3 [pid 4820] <... mount resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] close(3 [pid 4820] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... close resumed>) = 0 [pid 4820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rmdir("./887" [pid 4820] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4820] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4820] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] mkdir("./888", 0777 [pid 4820] <... symlinkat resumed>) = 0 [pid 4820] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4820] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... mkdir resumed>) = 0 [pid 4820] <... unlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4820] exit_group(0) = ? [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4820] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 4821 attached [pid 4821] set_robust_list(0x55556c898760, 24) = 0 [pid 4821] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4822 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4820, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./857", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./857", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4821] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 4821] chdir("./910" [pid 306] fstat(3 [pid 4821] <... chdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4821] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4821] setpgid(0, 0) = 0 [pid 306] getdents64(3 [pid 4821] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4821] <... openat resumed>) = 3 [pid 306] umount2("./857/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4821] write(3, "1000", 4) = 4 [pid 4821] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4821] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./857/binderfs" [pid 4821] symlink("/dev/binderfs", "./binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4821] <... symlink resumed>) = 0 [pid 306] unlink("./857/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4822 attached [pid 4822] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4822] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 4822] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4821] write(1, "executing program\n", 18 [pid 4822] chdir("./888" [pid 306] newfstatat(AT_FDCWD, "./857/config" [pid 4821] <... write resumed>) = 18 [pid 4822] <... chdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4821] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] umount2("./857/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4822] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4822] <... prctl resumed>) = 0 [pid 306] openat(AT_FDCWD, "./857/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4822] setpgid(0, 0 [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 4822] <... setpgid resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] getdents64(4 [pid 4822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 308] umount2("./920", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 308] openat(AT_FDCWD, "./920", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 4822] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 306] rmdir("./857/config" [pid 308] fstat(3 [pid 4822] write(3, "1000", 4) = 4 [pid 4822] close(3) = 0 [pid 4822] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4821] <... mkdirat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4822] write(1, "executing program\n", 18 [pid 4821] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 4822] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./920/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4822] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 4821] <... mount resumed>) = 0 [pid 310] umount2("./931", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./920/binderfs" [pid 4821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./931", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] unlink("./920/binderfs" [pid 306] rmdir("./857" [pid 4821] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4822] <... mkdirat resumed>) = 0 [pid 4822] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... openat resumed>) = 3 [pid 4822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 4822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) executing program [pid 4822] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(3 [pid 308] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4821] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] mkdir("./858", 0777 [pid 4822] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4822] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4822] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 4821] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] newfstatat(AT_FDCWD, "./920/config" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4821] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./931/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4822] <... unlinkat resumed>) = 0 [pid 4822] exit_group(0) = ? [pid 4822] +++ exited with 0 +++ [pid 4821] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] newfstatat(AT_FDCWD, "./931/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./920/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4822, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./931/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4823 [pid 308] <... openat resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4823 attached [pid 310] <... unlink resumed>) = 0 [pid 308] fstat(4 [pid 310] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./931/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4821] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 310] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4821] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 310] openat(AT_FDCWD, "./931/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4821] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... close resumed>) = 0 [pid 4821] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 4 [pid 308] rmdir("./920/config" [pid 4823] set_robust_list(0x55556c898760, 24) = 0 [pid 310] fstat(4 [pid 4823] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4823] chdir("./858" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4821] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] getdents64(4 [pid 308] getdents64(3 [pid 4823] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 4821] exit_group(0 [pid 308] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4823] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(4 [pid 308] <... close resumed>) = 0 [pid 4821] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 308] rmdir("./920" [pid 310] rmdir("./931/config" [pid 4823] <... prctl resumed>) = 0 [pid 4823] setpgid(0, 0) = 0 [pid 4823] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 4823] write(3, "1000", 4) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 308] mkdir("./921", 0777 [pid 310] getdents64(3 [pid 4823] close(3) = 0 [pid 4823] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4823] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./931" [pid 4823] <... write resumed>) = 18 [pid 4823] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4823] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4823] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4823] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] mkdir("./932", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4824 [pid 307] umount2("./888", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4823] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4823] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./888", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... openat resumed>) = 3 [pid 4823] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4823] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4823] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] fstat(3 [pid 4821] +++ exited with 0 +++ [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4825 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4821, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4823] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 4823] <... exit_group resumed>) = ? [pid 307] umount2("./888/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4823] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4824 attached [pid 307] newfstatat(AT_FDCWD, "./888/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4823, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] unlink("./888/binderfs" [pid 4824] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4824] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4824] chdir("./921" [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4824] <... chdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4824] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] newfstatat(AT_FDCWD, "./888/config" [pid 4824] <... prctl resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4824] setpgid(0, 0) = 0 [pid 4824] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4824] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4824] write(3, "1000", 4 [pid 307] openat(AT_FDCWD, "./888/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4824] <... write resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4825 attached [pid 4824] close(3 [pid 307] <... openat resumed>) = 4 [pid 4824] <... close resumed>) = 0 [pid 307] fstat(4 [pid 4825] set_robust_list(0x55556c898760, 24 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4824] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(4 [pid 4824] <... symlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4825] <... set_robust_list resumed>) = 0 [pid 307] getdents64(4 [pid 4825] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4825] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(4 [pid 4825] chdir("./932" [pid 307] <... close resumed>) = 0 [pid 4824] write(1, "executing program\n", 18 [pid 307] rmdir("./888/config" [pid 4825] <... chdir resumed>) = 0 [pid 4824] <... write resumed>) = 18 [pid 4824] mkdirat(AT_FDCWD, "./config", 0777 [pid 4825] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4825] setpgid(0, 0) = 0 [pid 307] <... rmdir resumed>) = 0 executing program [pid 4824] <... mkdirat resumed>) = 0 [pid 307] getdents64(3 [pid 4825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4825] <... openat resumed>) = 3 [pid 307] close(3 [pid 4825] write(3, "1000", 4 [pid 307] <... close resumed>) = 0 [pid 4825] <... write resumed>) = 4 [pid 307] rmdir("./888" [pid 4825] close(3) = 0 [pid 4825] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4825] write(1, "executing program\n", 18 [pid 4824] mount(NULL, "./config", "configfs", 0, NULL [pid 307] mkdir("./889", 0777 [pid 4825] <... write resumed>) = 18 [pid 4825] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4824] <... mount resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4825] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4825] <... mount resumed>) = 0 [pid 4824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4825] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4826 [pid 306] <... restart_syscall resumed>) = 0 [pid 4825] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4825] <... symlinkat resumed>) = 0 [pid 4824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./910", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4825] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4825] <... unlinkat resumed>) = 0 [pid 4824] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./910", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./858", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4825] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... openat resumed>) = 3 [pid 4824] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4824] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./858", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 4825] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 3 [pid 4825] exit_group(0 [pid 309] umount2("./910/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4825] <... exit_group resumed>) = ? [pid 4825] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./910/binderfs" [pid 4824] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4825, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4824] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./910/binderfs" [pid 306] getdents64(3 [pid 4824] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) ci2-android-6-1/strace-static-x86_64: Process 4826 attached [pid 4826] set_robust_list(0x55556c898760, 24 [pid 309] <... unlink resumed>) = 0 [pid 4826] <... set_robust_list resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4824] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./858/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4824] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./858/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./910/config" [pid 306] unlink("./858/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4826] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... unlink resumed>) = 0 [pid 4824] exit_group(0 [pid 309] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4824] <... exit_group resumed>) = ? [pid 306] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4826] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./910/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = 0 [pid 4826] chdir("./889" [pid 309] <... openat resumed>) = 4 [pid 306] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./858/config" [pid 309] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4826] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./858/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./858/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 4826] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... openat resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 306] fstat(4 [pid 309] rmdir("./910/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4826] <... prctl resumed>) = 0 [pid 4826] setpgid(0, 0) = 0 [pid 4826] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 309] getdents64(3 [pid 4826] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] close(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4826] write(3, "1000", 4) = 4 [pid 306] close(4 [pid 310] umount2("./932", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./910" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 4826] close(3) = 0 [pid 4826] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] openat(AT_FDCWD, "./932", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 306] rmdir("./858/config" [pid 4824] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 309] mkdir("./911", 0777 [pid 4826] write(1, "executing program\n", 18) = 18 [pid 4826] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] fstat(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4824, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rmdir resumed>) = 0 [pid 4826] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(3 [pid 4826] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./932/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4826] <... mount resumed>) = 0 [pid 4826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) executing program [pid 4826] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] newfstatat(AT_FDCWD, "./932/binderfs" [pid 306] rmdir("./858" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4827 [pid 4826] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4826] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] unlink("./932/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4826] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] mkdir("./859", 0777 [pid 310] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4826] exit_group(0) = ? [pid 306] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4826] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4827 attached [pid 4827] set_robust_list(0x55556c898760, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./932/config" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4826, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4827] <... set_robust_list resumed>) = 0 [pid 4827] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4827] chdir("./911") = 0 [pid 4827] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4828 [pid 310] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4827] <... prctl resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4827] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./932/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4827] <... setpgid resumed>) = 0 [pid 4827] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 4 [pid 4827] <... openat resumed>) = 3 [pid 310] fstat(4 [pid 4827] write(3, "1000", 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4827] <... write resumed>) = 4 [pid 310] getdents64(4 [pid 4827] close(3) = 0 [pid 4827] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 ci2-android-6-1/strace-static-x86_64: Process 4828 attached [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4828] set_robust_list(0x55556c898760, 24 [pid 310] close(4 [pid 4828] <... set_robust_list resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./932/config" [pid 4827] write(1, "executing program\n", 18 [pid 4828] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 4827] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 executing program [pid 4828] chdir("./859" [pid 4827] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 4828] <... chdir resumed>) = 0 [pid 310] rmdir("./932" [pid 307] <... restart_syscall resumed>) = 0 [pid 4828] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4828] setpgid(0, 0) = 0 [pid 4828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./933", 0777 [pid 4828] <... openat resumed>) = 3 [pid 4828] write(3, "1000", 4) = 4 [pid 4828] close(3) = 0 [pid 4828] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4828] write(1, "executing program\n", 18) = 18 [pid 4828] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 307] umount2("./889", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 307] openat(AT_FDCWD, "./889", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4828] <... mkdirat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 4828] mount(NULL, "./config", "configfs", 0, NULL [pid 307] fstat(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4829 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4828] <... mount resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./889/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4828] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] newfstatat(AT_FDCWD, "./889/binderfs" [pid 4828] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4828] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] unlink("./889/binderfs" [pid 4828] <... mkdirat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4828] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4828] <... symlinkat resumed>) = 0 [pid 4827] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 4828] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4827] mount(NULL, "./config", "configfs", 0, NULL [pid 307] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4828] <... unlinkat resumed>) = 0 [pid 4827] <... mount resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./889/config" [pid 4828] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4829 attached [pid 4827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] openat(AT_FDCWD, "./889/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4829] set_robust_list(0x55556c898760, 24 [pid 4828] <... unlinkat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 308] umount2("./921", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4829] <... set_robust_list resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4827] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 308] openat(AT_FDCWD, "./921", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 3 [pid 4827] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] fstat(3 [pid 307] getdents64(4 [pid 4829] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 4829] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... close resumed>) = 0 [pid 308] umount2("./921/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./889/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./921/binderfs" [pid 4829] chdir("./933" [pid 307] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./921/binderfs" [pid 4828] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4829] <... chdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4829] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4828] <... exit_group resumed>) = ? [pid 308] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 308] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./889" [pid 4829] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./921/config" [pid 4829] setpgid(0, 0 [pid 307] mkdir("./890", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4827] <... mkdirat resumed>) = 0 [pid 4827] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... mkdir resumed>) = 0 [pid 4829] <... setpgid resumed>) = 0 [pid 308] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] openat(AT_FDCWD, "./921/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4829] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 4 [pid 4827] <... symlinkat resumed>) = 0 [pid 4827] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4827] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] fstat(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4830 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4827] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 4829] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4829] write(3, "1000", 4 [pid 4827] exit_group(0 [pid 308] close(4 [pid 4827] <... exit_group resumed>) = ? [pid 4829] <... write resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 4828] +++ exited with 0 +++ [pid 308] rmdir("./921/config" [pid 4829] close(3) = 0 [pid 4827] +++ exited with 0 +++ [pid 308] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4828, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4829] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4827, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(3 [pid 4829] <... symlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4829] write(1, "executing program\n", 18 [pid 308] rmdir("./921"ci2-android-6-1/strace-static-x86_64: Process 4830 attached ) = 0 [pid 4829] <... write resumed>) = 18 executing program [pid 308] mkdir("./922", 0777 [pid 4830] set_robust_list(0x55556c898760, 24) = 0 [pid 4830] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4829] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c898750) = 4831 [pid 4829] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4831 attached [pid 4829] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4831] set_robust_list(0x55556c898760, 24 [pid 4829] <... mount resumed>) = 0 [pid 4831] <... set_robust_list resumed>) = 0 [pid 4829] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4831] rt_sigprocmask(SIG_SETMASK, [] [pid 4829] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4831] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4829] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4831] chdir("./922" [pid 4829] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4830] chdir("./890" [pid 4831] <... chdir resumed>) = 0 [pid 4829] <... mkdirat resumed>) = 0 [pid 4831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4829] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4831] <... prctl resumed>) = 0 [pid 4831] setpgid(0, 0 [pid 4829] <... symlinkat resumed>) = 0 [pid 4831] <... setpgid resumed>) = 0 [pid 4829] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4829] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4830] <... chdir resumed>) = 0 [pid 4829] <... unlinkat resumed>) = 0 [pid 4830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4829] exit_group(0 [pid 4831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4829] <... exit_group resumed>) = ? [pid 4830] <... prctl resumed>) = 0 [pid 4830] setpgid(0, 0) = 0 [pid 4830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4829] +++ exited with 0 +++ [pid 4831] <... openat resumed>) = 3 [pid 4831] write(3, "1000", 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4829, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4830] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 4831] <... write resumed>) = 4 [pid 309] umount2("./911", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./859", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4830] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4831] close(3 [pid 310] umount2("./933", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4831] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./911", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4831] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./933", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./859", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4830] close(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 310] umount2("./933/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./911/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./859/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./933/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4831] <... symlink resumed>) = 0 [pid 310] unlink("./933/binderfs" [pid 309] newfstatat(AT_FDCWD, "./911/binderfs" [pid 306] newfstatat(AT_FDCWD, "./859/binderfs" [pid 4831] write(1, "executing program\n", 18 [pid 4830] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4831] <... write resumed>) = 18 [pid 310] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./859/binderfs" [pid 4830] symlink("/dev/binderfs", "./binderfs" [pid 4831] mkdirat(AT_FDCWD, "./config", 0777 [pid 4830] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] unlink("./911/binderfs" [pid 306] <... unlink resumed>) = 0 executing program executing program [pid 310] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 306] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./933/config" [pid 309] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4830] write(1, "executing program\n", 18) = 18 [pid 4830] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./933/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./859/config" [pid 310] <... openat resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./911/config" [pid 4831] <... mkdirat resumed>) = 0 [pid 310] fstat(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4831] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 306] umount2("./859/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 4831] <... mount resumed>) = 0 [pid 309] openat(AT_FDCWD, "./911/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./859/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] <... openat resumed>) = 4 [pid 310] close(4 [pid 309] fstat(4 [pid 306] fstat(4 [pid 4831] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./933/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 4831] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4830] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4831] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 310] <... close resumed>) = 0 [pid 309] close(4 [pid 310] rmdir("./933" [pid 306] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4830] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rmdir resumed>) = 0 [pid 306] rmdir("./859/config" [pid 310] mkdir("./934", 0777 [pid 309] rmdir("./911/config" [pid 4830] <... mount resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4830] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 4830] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4830] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4831] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4831] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(3 [pid 309] close(3 [pid 4830] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4830] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4830] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-6-1/strace-static-x86_64: Process 4832 attached [pid 4831] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4830] <... symlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4832 [pid 309] rmdir("./911" [pid 4831] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rmdir("./859" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4830] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4830] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4831] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4830] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./912", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 4832] set_robust_list(0x55556c898760, 24 [pid 4831] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4830] exit_group(0 [pid 306] mkdir("./860", 0777 [pid 4830] <... exit_group resumed>) = ? [pid 4832] <... set_robust_list resumed>) = 0 [pid 4831] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4830] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4832] rt_sigprocmask(SIG_SETMASK, [] [pid 4831] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4832] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4831] <... exit_group resumed>) = ? [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4830, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4832] chdir("./934") = 0 [pid 4832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4833 [pid 4832] <... prctl resumed>) = 0 [pid 4832] setpgid(0, 0) = 0 [pid 4832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4834 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4832] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4832] write(3, "1000", 4 [pid 4831] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4833 attached [pid 4833] set_robust_list(0x55556c898760, 24 [pid 4832] <... write resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4831, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4833] <... set_robust_list resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4833] rt_sigprocmask(SIG_SETMASK, [] [pid 4832] close(3 [pid 4833] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4832] <... close resumed>) = 0 [pid 4833] chdir("./912" [pid 4832] symlink("/dev/binderfs", "./binderfs" [pid 4833] <... chdir resumed>) = 0 [pid 4833] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4832] <... symlink resumed>) = 0 [pid 4833] <... prctl resumed>) = 0 [pid 4832] write(1, "executing program\n", 18 [pid 4833] setpgid(0, 0) = 0 [pid 4832] <... write resumed>) = 18 executing program [pid 4832] mkdirat(AT_FDCWD, "./config", 0777 [pid 4833] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4832] <... mkdirat resumed>) = 0 [pid 4833] <... openat resumed>) = 3 [pid 4832] mount(NULL, "./config", "configfs", 0, NULL [pid 4833] write(3, "1000", 4) = 4 [pid 4832] <... mount resumed>) = 0 [pid 4833] close(3 [pid 4832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4833] <... close resumed>) = 0 [pid 4832] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4833] symlink("/dev/binderfs", "./binderfs" [pid 4832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4832] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4833] <... symlink resumed>) = 0 [pid 4832] <... mkdirat resumed>) = 0 [pid 4833] write(1, "executing program\n", 18 [pid 307] <... restart_syscall resumed>) = 0 [pid 4833] <... write resumed>) = 18 executing program [pid 4832] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4833] mkdirat(AT_FDCWD, "./config", 0777 [pid 4832] <... symlinkat resumed>) = 0 [pid 4832] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./890", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4832] <... unlinkat resumed>) = 0 [pid 4833] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4833] mount(NULL, "./config", "configfs", 0, NULL [pid 4832] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] openat(AT_FDCWD, "./890", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4833] <... mount resumed>) = 0 [pid 4832] <... unlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 4833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4832] exit_group(0 [pid 307] fstat(3 [pid 4833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4832] <... exit_group resumed>) = ? [pid 4833] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4832] +++ exited with 0 +++ [pid 307] getdents64(3 [pid 4833] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4832, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./890/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4834 attached [pid 4833] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4834] set_robust_list(0x55556c898760, 24 [pid 4833] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] newfstatat(AT_FDCWD, "./890/binderfs" [pid 4834] <... set_robust_list resumed>) = 0 [pid 4834] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4834] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] unlink("./890/binderfs" [pid 4833] <... symlinkat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4834] chdir("./860" [pid 307] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4834] <... chdir resumed>) = 0 [pid 4833] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... umount2 resumed>) = 0 [pid 4834] <... prctl resumed>) = 0 [pid 307] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 4834] setpgid(0, 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4834] <... setpgid resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./890/config" [pid 4834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4833] <... unlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./934", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4833] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4834] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./934", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4834] write(3, "1000", 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4834] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./890/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4834] close(3 [pid 310] fstat(3 [pid 4834] <... close resumed>) = 0 [pid 4833] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./922", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 4834] symlink("/dev/binderfs", "./binderfs" [pid 4833] exit_group(0 [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 4833] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] openat(AT_FDCWD, "./922", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./934/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 307] getdents64(4 [pid 4834] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./934/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4834] write(1, "executing program\n", 18 executing program [pid 4833] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 307] getdents64(4 [pid 4834] <... write resumed>) = 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4833, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] unlink("./934/binderfs" [pid 308] umount2("./922/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(4 [pid 310] <... unlink resumed>) = 0 [pid 4834] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./912", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 310] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./922/binderfs" [pid 307] rmdir("./890/config" [pid 4834] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] openat(AT_FDCWD, "./912", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4834] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 308] unlink("./922/binderfs" [pid 307] getdents64(3 [pid 4834] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 4834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./934/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 308] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 4834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... close resumed>) = 0 [pid 4834] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./934/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./912/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 307] rmdir("./890" [pid 4834] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./912/binderfs" [pid 310] fstat(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 4834] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] unlink("./912/binderfs" [pid 4834] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./891", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4834] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./922/config" [pid 309] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4834] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4834] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./912/config" [pid 308] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4834] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4834] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4834] exit_group(0 [pid 310] rmdir("./934/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4834] <... exit_group resumed>) = ? [pid 309] openat(AT_FDCWD, "./912/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./922/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4834] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 309] fstat(4 [pid 308] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] fstat(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4834, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4835 attached [pid 310] close(3 [pid 309] close(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4835 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4835] set_robust_list(0x55556c898760, 24 [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 4835] <... set_robust_list resumed>) = 0 [pid 310] rmdir("./934" [pid 309] rmdir("./912/config" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4835] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4835] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] mkdir("./935", 0777 [pid 309] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 309] close(3 [pid 4835] chdir("./891" [pid 310] <... mkdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4835] <... chdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./912" [pid 308] close(4 [pid 4835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4835] <... prctl resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./913", 0777 [pid 308] <... close resumed>) = 0 [pid 4835] setpgid(0, 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] rmdir("./922/config" [pid 306] <... restart_syscall resumed>) = 0 [pid 4835] <... setpgid resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4836 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4837 attached [pid 4835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 4835] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4837 [pid 4837] set_robust_list(0x55556c898760, 24 [pid 4835] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4837] <... set_robust_list resumed>) = 0 [pid 4835] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./860", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4837] rt_sigprocmask(SIG_SETMASK, [] [pid 4835] close(3 [pid 308] close(3 [pid 4837] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4835] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4835] symlink("/dev/binderfs", "./binderfs" [pid 308] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./860", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4837] chdir("./913" [pid 308] rmdir("./922" [pid 306] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 4836 attached [pid 308] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 308] mkdir("./923", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4836] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 4836] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4835] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4837] <... chdir resumed>) = 0 [pid 4835] write(1, "executing program\n", 18 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4837] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4835] <... write resumed>) = 18 executing program [pid 306] umount2("./860/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4836] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4836] chdir("./935" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4837] <... prctl resumed>) = 0 [pid 4835] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4838 [pid 306] newfstatat(AT_FDCWD, "./860/binderfs" [pid 4837] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] unlink("./860/binderfs") = 0 [pid 4836] <... chdir resumed>) = 0 [pid 306] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4836] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4837] <... setpgid resumed>) = 0 [pid 4835] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4835] mount(NULL, "./config", "configfs", 0, NULL [pid 306] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4837] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4836] <... prctl resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4835] <... mount resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./860/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./860/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4837] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4837] write(3, "1000", 4 [pid 4835] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] openat(AT_FDCWD, "./860/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4837] <... write resumed>) = 4 [pid 4835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... openat resumed>) = 4 [pid 4837] close(3 [pid 306] fstat(4 [pid 4835] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4837] <... close resumed>) = 0 [pid 4835] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(4 [pid 4837] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4835] <... mkdirat resumed>) = 0 [pid 306] getdents64(4 [pid 4835] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4836] setpgid(0, 0 [pid 306] close(4 [pid 4835] <... symlinkat resumed>) = 0 [pid 4836] <... setpgid resumed>) = 0 [pid 4835] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... close resumed>) = 0 [pid 4836] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4835] <... unlinkat resumed>) = 0 [pid 306] rmdir("./860/config" [pid 4836] <... openat resumed>) = 3 [pid 4835] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... rmdir resumed>) = 0 [pid 4836] write(3, "1000", 4 [pid 4835] <... unlinkat resumed>) = 0 [pid 306] getdents64(3 [pid 4836] <... write resumed>) = 4 [pid 4835] exit_group(0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4837] <... symlink resumed>) = 0 [pid 4835] <... exit_group resumed>) = ? [pid 4837] write(1, "executing program\n", 18 [pid 306] close(3 [pid 4836] close(3 [pid 306] <... close resumed>) = 0 [pid 4836] <... close resumed>) = 0 [pid 306] rmdir("./860" [pid 4836] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./861", 0777 executing program [pid 4836] write(1, "executing program\n", 18) = 18 [pid 306] <... mkdir resumed>) = 0 [pid 4836] mkdirat(AT_FDCWD, "./config", 0777 [pid 4837] <... write resumed>) = 18 [pid 4835] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4835, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4837] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4836] <... mkdirat resumed>) = 0 [pid 4837] <... mkdirat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4839 attached [pid 4837] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4839 [pid 4836] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4839] set_robust_list(0x55556c898760, 24 [pid 4837] <... mount resumed>) = 0 [pid 4839] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4839] rt_sigprocmask(SIG_SETMASK, [] [pid 4837] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4836] <... mount resumed>) = 0 [pid 4839] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4839] chdir("./861" [pid 4837] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4839] <... chdir resumed>) = 0 [pid 4837] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4839] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4837] <... mkdirat resumed>) = 0 [pid 4836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4839] <... prctl resumed>) = 0 [pid 4837] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4836] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4839] setpgid(0, 0 [pid 4837] <... symlinkat resumed>) = 0 [pid 4836] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4837] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4839] <... setpgid resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4838 attached [pid 4837] <... unlinkat resumed>) = 0 [pid 4836] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4839] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4837] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4839] <... openat resumed>) = 3 [pid 4838] set_robust_list(0x55556c898760, 24 [pid 4837] <... unlinkat resumed>) = 0 [pid 4836] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4838] <... set_robust_list resumed>) = 0 [pid 4836] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4838] rt_sigprocmask(SIG_SETMASK, [] [pid 4836] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4839] write(3, "1000", 4 [pid 4838] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4837] exit_group(0 [pid 4836] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4839] <... write resumed>) = 4 [pid 4837] <... exit_group resumed>) = ? [pid 4838] chdir("./923" [pid 4836] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4838] <... chdir resumed>) = 0 [pid 4837] +++ exited with 0 +++ [pid 4839] close(3 [pid 4836] exit_group(0 [pid 4839] <... close resumed>) = 0 [pid 4838] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4836] <... exit_group resumed>) = ? [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4837, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4839] symlink("/dev/binderfs", "./binderfs" [pid 4838] <... prctl resumed>) = 0 [pid 4836] +++ exited with 0 +++ [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4838] setpgid(0, 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4836, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4839] <... symlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 4839] write(1, "executing program\n", 18) = 18 [pid 4838] <... setpgid resumed>) = 0 [pid 4838] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4839] mkdirat(AT_FDCWD, "./config", 0777 [pid 4838] <... openat resumed>) = 3 [pid 4839] <... mkdirat resumed>) = 0 [pid 4838] write(3, "1000", 4 [pid 4839] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4838] <... write resumed>) = 4 [pid 4839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4838] close(3 [pid 4839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4838] <... close resumed>) = 0 [pid 4839] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4838] symlink("/dev/binderfs", "./binderfs" [pid 4839] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4838] <... symlink resumed>) = 0 [pid 4838] write(1, "executing program\n", 18 [pid 4839] <... mkdirat resumed>) = 0 [pid 4838] <... write resumed>) = 18 executing program [pid 4839] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4838] mkdirat(AT_FDCWD, "./config", 0777 [pid 4839] <... symlinkat resumed>) = 0 [pid 4838] <... mkdirat resumed>) = 0 [pid 4839] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4838] mount(NULL, "./config", "configfs", 0, NULL [pid 4839] <... unlinkat resumed>) = 0 [pid 4838] <... mount resumed>) = 0 [pid 4839] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4839] <... unlinkat resumed>) = 0 [pid 4838] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4839] exit_group(0 [pid 4838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4839] <... exit_group resumed>) = ? [pid 4838] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4838] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 4838] <... mkdirat resumed>) = 0 [pid 4838] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4839] +++ exited with 0 +++ [pid 4838] <... symlinkat resumed>) = 0 [pid 307] umount2("./891", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4838] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4839, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4838] <... unlinkat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./891", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4838] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... openat resumed>) = 3 [pid 4838] <... unlinkat resumed>) = 0 [pid 307] fstat(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4838] exit_group(0 [pid 307] getdents64(3 [pid 4838] <... exit_group resumed>) = ? [pid 4838] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./861", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./891/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4838, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] newfstatat(AT_FDCWD, "./891/binderfs" [pid 306] openat(AT_FDCWD, "./861", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 307] unlink("./891/binderfs" [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./935", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] openat(AT_FDCWD, "./935", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./861/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] umount2("./913", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./861/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./913", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./891/config" [pid 306] unlink("./861/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] fstat(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] umount2("./935/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./935/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] openat(AT_FDCWD, "./891/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./913/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./935/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./923", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./861/config" [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./913/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./923", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 306] umount2("./861/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 309] unlink("./913/binderfs" [pid 308] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 308] fstat(3 [pid 307] getdents64(4 [pid 306] openat(AT_FDCWD, "./861/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./935/config" [pid 309] <... umount2 resumed>) = 0 [pid 308] getdents64(3 [pid 307] close(4 [pid 306] fstat(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./913/config" [pid 308] umount2("./923/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./891/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] openat(AT_FDCWD, "./935/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./923/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 306] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./913/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] unlink("./923/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... openat resumed>) = 4 [pid 306] rmdir("./861/config" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] fstat(4 [pid 308] <... unlink resumed>) = 0 [pid 307] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = 0 [pid 307] rmdir("./891" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] rmdir("./935/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./923/config" [pid 307] mkdir("./892", 0777 [pid 306] rmdir("./861" [pid 310] <... rmdir resumed>) = 0 [pid 309] close(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] mkdir("./862", 0777 [pid 310] getdents64(3 [pid 309] rmdir("./913/config" [pid 308] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(3 [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./923/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] rmdir("./935" [pid 309] close(3 [pid 308] <... openat resumed>) = 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4840 attached [pid 309] <... close resumed>) = 0 [pid 308] fstat(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4840 [pid 309] rmdir("./913" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] mkdir("./914", 0777 [pid 310] mkdir("./936", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... mkdir resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4841 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4842 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(4ci2-android-6-1/strace-static-x86_64: Process 4841 attached [pid 4841] set_robust_list(0x55556c898760, 24) = 0 [pid 4841] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4841] chdir("./892" [pid 308] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4843 [pid 308] rmdir("./923/config" [pid 4841] <... chdir resumed>) = 0 [pid 4841] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4841] setpgid(0, 0) = 0 [pid 4841] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 4841] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 4841] write(3, "1000", 4 [pid 308] <... close resumed>) = 0 [pid 4841] <... write resumed>) = 4 [pid 308] rmdir("./923" [pid 4841] close(3) = 0 [pid 4841] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4841] write(1, "executing program\n", 18 [pid 308] mkdir("./924", 0777 [pid 4841] <... write resumed>) = 18 executing program [pid 4841] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4841] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4841] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4841] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 ci2-android-6-1/strace-static-x86_64: Process 4842 attached [pid 4841] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4842] set_robust_list(0x55556c898760, 24 [pid 4841] <... symlinkat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4844 [pid 4842] <... set_robust_list resumed>) = 0 [pid 4842] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4841] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4842] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4841] <... unlinkat resumed>) = 0 [pid 4842] chdir("./914") = 0 [pid 4841] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4842] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4842] setpgid(0, 0) = 0 [pid 4842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4841] exit_group(0 [pid 4840] set_robust_list(0x55556c898760, 24 [pid 4841] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4843 attached [pid 4841] +++ exited with 0 +++ [pid 4840] <... set_robust_list resumed>) = 0 [pid 4842] write(3, "1000", 4) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4841, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4842] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4842] <... close resumed>) = 0 [pid 4842] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4842] write(1, "executing program\n", 18 [pid 4840] rt_sigprocmask(SIG_SETMASK, [] [pid 4842] <... write resumed>) = 18 executing program [pid 4842] mkdirat(AT_FDCWD, "./config", 0777 [pid 4843] set_robust_list(0x55556c898760, 24 [pid 4842] <... mkdirat resumed>) = 0 [pid 4840] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4842] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4840] chdir("./862" [pid 4842] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4842] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4843] <... set_robust_list resumed>) = 0 [pid 4842] <... mkdirat resumed>) = 0 [pid 4840] <... chdir resumed>) = 0 [pid 4842] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4842] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4842] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4840] <... prctl resumed>) = 0 [pid 4842] exit_group(0) = ? [pid 4843] rt_sigprocmask(SIG_SETMASK, [] [pid 4842] +++ exited with 0 +++ [pid 4840] setpgid(0, 0ci2-android-6-1/strace-static-x86_64: Process 4844 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4842, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4844] set_robust_list(0x55556c898760, 24 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4844] <... set_robust_list resumed>) = 0 [pid 4844] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4844] chdir("./924") = 0 [pid 4844] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4844] setpgid(0, 0) = 0 [pid 4844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4844] write(3, "1000", 4) = 4 [pid 4844] close(3) = 0 [pid 4844] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4843] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4840] <... setpgid resumed>) = 0 [pid 4844] write(1, "executing program\n", 18) = 18 executing program [pid 4844] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4843] chdir("./936" [pid 4840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4844] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4840] <... openat resumed>) = 3 [pid 309] <... restart_syscall resumed>) = 0 [pid 4844] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4840] write(3, "1000", 4 [pid 4844] <... mkdirat resumed>) = 0 [pid 4840] <... write resumed>) = 4 [pid 4844] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./914", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4840] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4844] <... symlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./914", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... restart_syscall resumed>) = 0 [pid 4840] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 4840] symlink("/dev/binderfs", "./binderfs" [pid 309] fstat(3 [pid 4844] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./892", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4844] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] openat(AT_FDCWD, "./892", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./914/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./914/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4840] <... symlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4840] write(1, "executing program\n", 18 [pid 309] unlink("./914/binderfs" [pid 307] getdents64(3 [pid 4844] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4840] <... write resumed>) = 18 [pid 309] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./892/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4844] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./892/binderfs" [pid 4840] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 309] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] unlink("./892/binderfs" [pid 309] newfstatat(AT_FDCWD, "./914/config" [pid 4844] <... exit_group resumed>) = ? [pid 4844] +++ exited with 0 +++ [pid 4840] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4840] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4844, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./914/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = 0 [pid 4843] <... chdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4840] <... mount resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./892/config" [pid 4840] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 4840] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4840] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] openat(AT_FDCWD, "./892/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 4843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... close resumed>) = 0 [pid 4843] <... prctl resumed>) = 0 [pid 307] fstat(4 [pid 309] rmdir("./914/config" [pid 308] umount2("./924", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4840] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4843] setpgid(0, 0) = 0 [pid 4843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4840] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 309] getdents64(3 [pid 308] openat(AT_FDCWD, "./924", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] close(3 [pid 308] fstat(3 [pid 307] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./914" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 4843] write(3, "1000", 4) = 4 [pid 4843] close(3) = 0 [pid 4843] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 4843] <... symlink resumed>) = 0 [pid 4840] <... mkdirat resumed>) = 0 [pid 309] mkdir("./915", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] close(4 [pid 4843] write(1, "executing program\n", 18) = 18 executing program [pid 4843] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4840] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./924/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./892/config" [pid 4843] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./924/binderfs" [pid 4843] <... mount resumed>) = 0 [pid 4843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 4843] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4843] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4843] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 4840] <... symlinkat resumed>) = 0 [pid 308] unlink("./924/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4840] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4845 [pid 4843] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] close(3 [pid 4843] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4840] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 4843] <... unlinkat resumed>) = 0 [pid 4840] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = 0 [pid 307] rmdir("./892" [pid 308] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4843] exit_group(0) = ? [pid 4843] +++ exited with 0 +++ [pid 4840] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./924/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4843, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] mkdir("./893", 0777ci2-android-6-1/strace-static-x86_64: Process 4845 attached [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4845] set_robust_list(0x55556c898760, 24) = 0 [pid 4845] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 308] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4840] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4840] <... exit_group resumed>) = ? [pid 308] openat(AT_FDCWD, "./924/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4845] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 4 [pid 4845] chdir("./915") = 0 [pid 4845] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4845] setpgid(0, 0) = 0 [pid 4845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] fstat(4 [pid 4845] write(3, "1000", 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4846 [pid 308] getdents64(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4845] <... write resumed>) = 4 [pid 308] close(4 [pid 4845] close(3 [pid 308] <... close resumed>) = 0 [pid 4845] <... close resumed>) = 0 [pid 308] rmdir("./924/config" [pid 4840] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4840, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4845] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 executing program [pid 4845] write(1, "executing program\n", 18 [pid 308] getdents64(3 [pid 4845] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4845] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] close(3 [pid 4845] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... close resumed>) = 0 [pid 4845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rmdir("./924" [pid 4845] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4845] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4845] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] mkdir("./925", 0777ci2-android-6-1/strace-static-x86_64: Process 4846 attached [pid 4846] set_robust_list(0x55556c898760, 24) = 0 [pid 4846] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4846] chdir("./893" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4846] <... chdir resumed>) = 0 [pid 4845] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4846] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./936", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./862", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./862", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./936", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 4845] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4847 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] fstat(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./862/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4845] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./862/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./936/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./862/binderfs" [pid 4845] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./936/binderfs" [pid 306] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4845] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4845] <... exit_group resumed>) = ? [pid 310] unlink("./936/binderfs" [pid 306] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./862/config" [pid 310] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./862/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 306] openat(AT_FDCWD, "./862/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./936/config" [pid 306] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4845] +++ exited with 0 +++ [pid 310] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4845, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] close(4 [pid 310] openat(AT_FDCWD, "./936/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] rmdir("./862/config" [pid 310] fstat(4 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 4846] <... prctl resumed>) = 0 [pid 310] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4846] setpgid(0, 0 [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 4847 attached [pid 4846] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... close resumed>) = 0 [pid 4847] set_robust_list(0x55556c898760, 24 [pid 4846] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(4 [pid 306] rmdir("./862" [pid 4847] <... set_robust_list resumed>) = 0 [pid 4846] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4847] rt_sigprocmask(SIG_SETMASK, [] [pid 4846] write(3, "1000", 4 [pid 310] close(4 [pid 306] mkdir("./863", 0777 [pid 4847] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4846] <... write resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4847] chdir("./925" [pid 4846] close(3 [pid 310] rmdir("./936/config" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4847] <... chdir resumed>) = 0 [pid 4846] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4847] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4846] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4848 attached [pid 4847] <... prctl resumed>) = 0 [pid 4846] <... symlink resumed>) = 0 [pid 310] getdents64(3 [pid 4847] setpgid(0, 0 [pid 4846] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4848 executing program [pid 4848] set_robust_list(0x55556c898760, 24 [pid 4847] <... setpgid resumed>) = 0 [pid 4846] <... write resumed>) = 18 [pid 310] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4848] <... set_robust_list resumed>) = 0 [pid 4847] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4846] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4848] rt_sigprocmask(SIG_SETMASK, [] [pid 4847] <... openat resumed>) = 3 [pid 4846] <... mkdirat resumed>) = 0 [pid 310] rmdir("./936" [pid 4848] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4847] write(3, "1000", 4 [pid 4846] mount(NULL, "./config", "configfs", 0, NULL [pid 4848] chdir("./863" [pid 4847] <... write resumed>) = 4 [pid 4846] <... mount resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4847] close(3 [pid 310] mkdir("./937", 0777 [pid 4846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 4848] <... chdir resumed>) = 0 [pid 4847] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4847] symlink("/dev/binderfs", "./binderfs" [pid 4848] <... prctl resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4847] <... symlink resumed>) = 0 [pid 4848] setpgid(0, 0 [pid 4846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4848] <... setpgid resumed>) = 0 [pid 4847] write(1, "executing program\n", 18 [pid 4846] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4846] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4847] <... write resumed>) = 18 [pid 4846] <... mkdirat resumed>) = 0 executing program [pid 4847] mkdirat(AT_FDCWD, "./config", 0777 [pid 4846] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4849 [pid 4848] <... openat resumed>) = 3 [pid 4846] <... symlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4847] <... mkdirat resumed>) = 0 [pid 4848] write(3, "1000", 4 [pid 4846] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4848] <... write resumed>) = 4 [pid 4847] mount(NULL, "./config", "configfs", 0, NULL [pid 4848] close(3) = 0 [pid 4847] <... mount resumed>) = 0 [pid 4846] <... unlinkat resumed>) = 0 [pid 4848] symlink("/dev/binderfs", "./binderfs" [pid 4847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4846] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4848] <... symlink resumed>) = 0 [pid 4847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4846] <... unlinkat resumed>) = 0 [pid 4848] write(1, "executing program\n", 18 [pid 4847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 4846] exit_group(0 [pid 4848] <... write resumed>) = 18 [pid 4847] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4846] <... exit_group resumed>) = ? [pid 4848] mkdirat(AT_FDCWD, "./config", 0777 [pid 4847] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4846] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4846, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4849 attached [pid 309] umount2("./915", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./893", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4847] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4847] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] openat(AT_FDCWD, "./915", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./893", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 4847] <... symlinkat resumed>) = 0 [pid 309] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 4847] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 309] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 4847] <... unlinkat resumed>) = 0 [pid 309] umount2("./915/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4848] <... mkdirat resumed>) = 0 [pid 4847] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4849] set_robust_list(0x55556c898760, 24 [pid 4848] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./893/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4848] <... mount resumed>) = 0 [pid 4847] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./915/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4847] exit_group(0 [pid 307] newfstatat(AT_FDCWD, "./893/binderfs" [pid 4848] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4847] <... exit_group resumed>) = ? [pid 309] unlink("./915/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4849] <... set_robust_list resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] unlink("./893/binderfs" [pid 309] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4849] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 309] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./915/config" [pid 307] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4847] +++ exited with 0 +++ [pid 309] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4848] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4847, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./893/config" [pid 4848] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] openat(AT_FDCWD, "./915/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4849] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4848] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 307] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4848] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./893/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 4849] chdir("./937" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... openat resumed>) = 4 [pid 4848] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 307] fstat(4 [pid 4848] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(4 [pid 4848] <... symlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 4848] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4849] <... chdir resumed>) = 0 [pid 4848] <... unlinkat resumed>) = 0 [pid 309] rmdir("./915/config" [pid 307] getdents64(4 [pid 4849] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4848] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 307] close(4 [pid 4849] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 4848] <... unlinkat resumed>) = 0 [pid 307] rmdir("./893/config" [pid 309] close(3 [pid 4849] <... setpgid resumed>) = 0 [pid 4849] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4848] exit_group(0 [pid 309] rmdir("./915" [pid 307] getdents64(3 [pid 4848] <... exit_group resumed>) = ? [pid 4849] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./916", 0777 [pid 307] close(3 [pid 4849] write(3, "1000", 4) = 4 [pid 4849] close(3 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4849] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./893" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4849] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4849] write(1, "executing program\n", 18) = 18 [pid 307] mkdir("./894", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4850 executing program [pid 4849] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4850 attached ) = 0 [pid 4848] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 4850] set_robust_list(0x55556c898760, 24 [pid 4849] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4848, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4850] <... set_robust_list resumed>) = 0 [pid 4849] <... mount resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4850] rt_sigprocmask(SIG_SETMASK, [] [pid 4849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4850] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4849] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4849] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4850] chdir("./916"ci2-android-6-1/strace-static-x86_64: Process 4851 attached ) = 0 [pid 4849] <... mkdirat resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4851 [pid 4850] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4851] set_robust_list(0x55556c898760, 24 [pid 4850] <... prctl resumed>) = 0 [pid 4849] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4851] <... set_robust_list resumed>) = 0 [pid 4850] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4850] <... setpgid resumed>) = 0 [pid 4851] rt_sigprocmask(SIG_SETMASK, [] [pid 4850] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4849] <... symlinkat resumed>) = 0 [pid 4851] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4850] <... openat resumed>) = 3 [pid 4849] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4851] chdir("./894" [pid 4850] write(3, "1000", 4 [pid 4849] <... unlinkat resumed>) = 0 [pid 4851] <... chdir resumed>) = 0 [pid 4850] <... write resumed>) = 4 [pid 4849] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4851] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4850] close(3 [pid 4849] <... unlinkat resumed>) = 0 [pid 4851] <... prctl resumed>) = 0 [pid 4850] <... close resumed>) = 0 [pid 4849] exit_group(0 [pid 4851] setpgid(0, 0 [pid 4850] symlink("/dev/binderfs", "./binderfs" [pid 4849] <... exit_group resumed>) = ? [pid 4851] <... setpgid resumed>) = 0 [pid 4850] <... symlink resumed>) = 0 [pid 4849] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4851] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4850] write(1, "executing program\n", 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4849, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4851] <... openat resumed>) = 3 [pid 4850] <... write resumed>) = 18 [pid 4851] write(3, "1000", 4 [pid 308] umount2("./925", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./863", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4851] <... write resumed>) = 4 [pid 4850] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./937", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./925", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./863", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./937", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 4851] close(3 [pid 4850] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 306] fstat(3 [pid 4851] <... close resumed>) = 0 [pid 4850] mount(NULL, "./config", "configfs", 0, NULL [pid 310] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4851] symlink("/dev/binderfs", "./binderfs" [pid 4850] <... mount resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 4850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4851] <... symlink resumed>) = 0 [pid 4850] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./925/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./863/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4851] write(1, "executing program\n", 18 [pid 4850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./937/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4851] <... write resumed>) = 18 [pid 4850] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./925/binderfs" [pid 306] newfstatat(AT_FDCWD, "./863/binderfs" [pid 4851] mkdirat(AT_FDCWD, "./config", 0777 [pid 4850] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] newfstatat(AT_FDCWD, "./937/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4850] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./925/binderfs" [pid 306] unlink("./863/binderfs" [pid 4850] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] unlink("./937/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4851] <... mkdirat resumed>) = 0 [pid 4850] <... symlinkat resumed>) = 0 [pid 310] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4851] mount(NULL, "./config", "configfs", 0, NULL [pid 4850] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4850] <... unlinkat resumed>) = 0 [pid 310] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4851] <... mount resumed>) = 0 [pid 4850] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./925/config" [pid 306] newfstatat(AT_FDCWD, "./863/config" [pid 4851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4850] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./937/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4851] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4850] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./863/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4850] <... exit_group resumed>) = ? [pid 310] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4851] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./925/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./863/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./937/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 4 [pid 306] <... openat resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 306] fstat(4 [pid 310] fstat(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4851] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4850] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 306] getdents64(4 [pid 310] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4851] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4850, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 306] getdents64(4 [pid 4851] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4851] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 306] close(4 [pid 4851] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] close(4 [pid 308] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] rmdir("./925/config" [pid 306] rmdir("./863/config" [pid 4851] <... unlinkat resumed>) = 0 [pid 310] rmdir("./937/config" [pid 308] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 4851] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 4851] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 306] <... close resumed>) = 0 [pid 4851] exit_group(0 [pid 310] close(3 [pid 308] <... close resumed>) = 0 [pid 306] rmdir("./863" [pid 4851] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 308] rmdir("./925" [pid 306] <... rmdir resumed>) = 0 [pid 310] rmdir("./937" [pid 306] mkdir("./864", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] mkdir("./926", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] mkdir("./938", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4852 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4852 attached [pid 4851] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4852] set_robust_list(0x55556c898760, 24) = 0 [pid 4852] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4851, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4852] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4854 attached [pid 4852] chdir("./864" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4853 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4853 attached [pid 4854] set_robust_list(0x55556c898760, 24 [pid 4852] <... chdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4854 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4854] <... set_robust_list resumed>) = 0 [pid 4853] set_robust_list(0x55556c898760, 24 [pid 4852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4854] rt_sigprocmask(SIG_SETMASK, [] [pid 4853] <... set_robust_list resumed>) = 0 [pid 4852] <... prctl resumed>) = 0 [pid 4854] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4854] chdir("./938" [pid 4853] rt_sigprocmask(SIG_SETMASK, [] [pid 4852] setpgid(0, 0 [pid 4854] <... chdir resumed>) = 0 [pid 4853] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4853] chdir("./926" [pid 4852] <... setpgid resumed>) = 0 [pid 4854] setpgid(0, 0) = 0 [pid 4853] <... chdir resumed>) = 0 [pid 4852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4853] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4852] <... openat resumed>) = 3 [pid 4854] <... openat resumed>) = 3 [pid 4853] <... prctl resumed>) = 0 [pid 4852] write(3, "1000", 4 [pid 4854] write(3, "1000", 4 [pid 4853] setpgid(0, 0 [pid 4854] <... write resumed>) = 4 [pid 4854] close(3 [pid 4853] <... setpgid resumed>) = 0 [pid 4852] <... write resumed>) = 4 [pid 4854] <... close resumed>) = 0 [pid 4852] close(3 [pid 4854] symlink("/dev/binderfs", "./binderfs" [pid 4853] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4852] <... close resumed>) = 0 [pid 4854] <... symlink resumed>) = 0 [pid 4852] symlink("/dev/binderfs", "./binderfs" [pid 4854] write(1, "executing program\n", 18 [pid 4853] <... openat resumed>) = 3 executing program [pid 4854] <... write resumed>) = 18 [pid 4853] write(3, "1000", 4 [pid 4852] <... symlink resumed>) = 0 [pid 4854] mkdirat(AT_FDCWD, "./config", 0777 [pid 4853] <... write resumed>) = 4 [pid 4852] write(1, "executing program\n", 18) = 18 [pid 4852] mkdirat(AT_FDCWD, "./config", 0777 [pid 4854] <... mkdirat resumed>) = 0 [pid 4853] close(3 [pid 4854] mount(NULL, "./config", "configfs", 0, NULL [pid 4853] <... close resumed>) = 0 executing program [pid 4854] <... mount resumed>) = 0 [pid 4853] symlink("/dev/binderfs", "./binderfs" [pid 4852] <... mkdirat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4852] mount(NULL, "./config", "configfs", 0, NULL [pid 4854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4853] <... symlink resumed>) = 0 [pid 4852] <... mount resumed>) = 0 [pid 309] umount2("./916", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4854] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4853] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4854] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4853] <... write resumed>) = 18 executing program [pid 309] openat(AT_FDCWD, "./916", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4854] <... mkdirat resumed>) = 0 [pid 4852] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 3 [pid 4854] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4853] mkdirat(AT_FDCWD, "./config", 0777 [pid 4852] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(3 [pid 4852] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4854] <... symlinkat resumed>) = 0 [pid 4853] <... mkdirat resumed>) = 0 [pid 4852] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4854] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4853] mount(NULL, "./config", "configfs", 0, NULL [pid 4852] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 4854] <... unlinkat resumed>) = 0 [pid 4852] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4854] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4853] <... mount resumed>) = 0 [pid 4852] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4854] <... unlinkat resumed>) = 0 [pid 4853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4852] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4854] exit_group(0 [pid 4853] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4852] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./916/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4854] <... exit_group resumed>) = ? [pid 4853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4852] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4852] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./894", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4852] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] newfstatat(AT_FDCWD, "./916/binderfs" [pid 4853] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4852] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4854] +++ exited with 0 +++ [pid 4853] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4852] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./894", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4853] <... mkdirat resumed>) = 0 [pid 4852] +++ exited with 0 +++ [pid 309] unlink("./916/binderfs" [pid 307] <... openat resumed>) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4854, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4852, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4853] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 307] fstat(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4853] <... symlinkat resumed>) = 0 [pid 309] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 4853] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4853] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./916/config" [pid 307] umount2("./894/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./864", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4853] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./894/binderfs" [pid 306] openat(AT_FDCWD, "./864", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4853] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 4853] exit_group(0 [pid 309] openat(AT_FDCWD, "./916/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] unlink("./894/binderfs" [pid 306] fstat(3 [pid 4853] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(4 [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./938", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./864/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4853] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./938", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4853, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./864/binderfs" [pid 310] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] newfstatat(AT_FDCWD, "./894/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(3 [pid 309] close(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./864/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 309] rmdir("./916/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] openat(AT_FDCWD, "./894/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = 0 [pid 310] umount2("./938/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 307] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./938/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./864/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 307] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./938/binderfs" [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./864/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./916" [pid 307] getdents64(4 [pid 306] openat(AT_FDCWD, "./864/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 306] fstat(4 [pid 310] <... umount2 resumed>) = 0 [pid 309] mkdir("./917", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 307] close(4 [pid 306] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./938/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./894/config" [pid 306] close(4) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./864/config" [pid 310] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 4855 attached [pid 310] openat(AT_FDCWD, "./938/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4855 [pid 306] rmdir("./864" [pid 4855] set_robust_list(0x55556c898760, 24 [pid 310] fstat(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4855] <... set_robust_list resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./894" [pid 306] mkdir("./865", 0777 [pid 4855] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4855] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] mkdir("./895", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4856 attached [pid 4855] chdir("./917" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4856] set_robust_list(0x55556c898760, 24 [pid 4855] <... chdir resumed>) = 0 [pid 310] close(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4856 [pid 4856] <... set_robust_list resumed>) = 0 [pid 4855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4856] rt_sigprocmask(SIG_SETMASK, [] [pid 4855] <... prctl resumed>) = 0 [pid 310] rmdir("./938/config" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4856] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4855] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 4856] chdir("./865") = 0 ci2-android-6-1/strace-static-x86_64: Process 4857 attached [pid 4856] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4855] <... setpgid resumed>) = 0 [pid 310] getdents64(3 [pid 4856] <... prctl resumed>) = 0 [pid 4855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4857] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4857 [pid 4856] setpgid(0, 0 [pid 4855] <... openat resumed>) = 3 [pid 310] close(3 [pid 4855] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4857] <... set_robust_list resumed>) = 0 [pid 4855] <... write resumed>) = 4 [pid 310] rmdir("./938" [pid 4855] close(3 [pid 4856] <... setpgid resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4856] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4855] <... close resumed>) = 0 [pid 4857] rt_sigprocmask(SIG_SETMASK, [] [pid 4856] <... openat resumed>) = 3 [pid 310] mkdir("./939", 0777 [pid 308] umount2("./926", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4855] symlink("/dev/binderfs", "./binderfs" [pid 4856] write(3, "1000", 4 [pid 310] <... mkdir resumed>) = 0 [pid 4856] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4857] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4856] close(3 [pid 4855] <... symlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./926", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4857] chdir("./895" [pid 4855] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4857] <... chdir resumed>) = 0 [pid 4855] <... write resumed>) = 18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... openat resumed>) = 3 [pid 4857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4855] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 308] fstat(3 [pid 4856] <... close resumed>) = 0 [pid 4856] symlink("/dev/binderfs", "./binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4856] <... symlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4858 attached [pid 4857] <... prctl resumed>) = 0 [pid 4856] write(1, "executing program\n", 18 [pid 4855] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4858 [pid 308] getdents64(3 [pid 4857] setpgid(0, 0 [pid 4855] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4858] set_robust_list(0x55556c898760, 24 [pid 4857] <... setpgid resumed>) = 0 [pid 4856] <... write resumed>) = 18 [pid 4855] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 4856] mkdirat(AT_FDCWD, "./config", 0777 [pid 4857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4858] <... set_robust_list resumed>) = 0 [pid 308] umount2("./926/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4858] rt_sigprocmask(SIG_SETMASK, [] [pid 4857] <... openat resumed>) = 3 [pid 4856] <... mkdirat resumed>) = 0 [pid 4855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4858] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4857] write(3, "1000", 4 [pid 4855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] newfstatat(AT_FDCWD, "./926/binderfs" [pid 4857] <... write resumed>) = 4 [pid 4855] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4858] chdir("./939" [pid 4857] close(3 [pid 4855] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4858] <... chdir resumed>) = 0 [pid 4857] <... close resumed>) = 0 [pid 308] unlink("./926/binderfs" [pid 4856] mount(NULL, "./config", "configfs", 0, NULL [pid 4855] <... mkdirat resumed>) = 0 [pid 4858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4857] symlink("/dev/binderfs", "./binderfs" [pid 4856] <... mount resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4858] <... prctl resumed>) = 0 [pid 4855] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4858] setpgid(0, 0 [pid 4857] <... symlink resumed>) = 0 [pid 308] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4855] <... symlinkat resumed>) = 0 [pid 4858] <... setpgid resumed>) = 0 [pid 4857] write(1, "executing program\n", 18 [pid 4856] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 308] <... umount2 resumed>) = 0 [pid 4858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4857] <... write resumed>) = 18 [pid 4856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4855] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4858] <... openat resumed>) = 3 [pid 4857] mkdirat(AT_FDCWD, "./config", 0777 [pid 4856] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4856] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4855] <... unlinkat resumed>) = 0 [pid 4856] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4858] write(3, "1000", 4 [pid 4857] <... mkdirat resumed>) = 0 [pid 4856] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4855] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4858] <... write resumed>) = 4 [pid 4857] mount(NULL, "./config", "configfs", 0, NULL [pid 4856] <... symlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./926/config" [pid 4858] close(3 [pid 4857] <... mount resumed>) = 0 [pid 4856] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4855] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4858] <... close resumed>) = 0 [pid 4857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4856] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4858] symlink("/dev/binderfs", "./binderfs" [pid 4857] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4856] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4855] exit_group(0 [pid 4858] <... symlink resumed>) = 0 [pid 4857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4856] <... unlinkat resumed>) = 0 [pid 308] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4858] write(1, "executing program\n", 18 [pid 4857] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 4856] exit_group(0 [pid 4855] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4858] <... write resumed>) = 18 [pid 4857] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4856] <... exit_group resumed>) = ? [pid 308] openat(AT_FDCWD, "./926/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4857] <... mkdirat resumed>) = 0 [pid 4856] +++ exited with 0 +++ [pid 4855] +++ exited with 0 +++ [pid 4858] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... openat resumed>) = 4 [pid 4857] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] fstat(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4856, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4857] <... symlinkat resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4855, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4858] <... mkdirat resumed>) = 0 [pid 4857] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(4 [pid 4858] mount(NULL, "./config", "configfs", 0, NULL [pid 4857] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4858] <... mount resumed>) = 0 [pid 4857] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 4858] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4857] <... unlinkat resumed>) = 0 [pid 4858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... close resumed>) = 0 [pid 4857] exit_group(0 [pid 4858] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rmdir("./926/config" [pid 4858] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4857] <... exit_group resumed>) = ? [pid 4858] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4858] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(3 [pid 4858] <... symlinkat resumed>) = 0 [pid 4857] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4858] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] close(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4857, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4858] <... unlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4858] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] rmdir("./926" [pid 4858] exit_group(0) = ? [pid 4858] +++ exited with 0 +++ [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./927", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4858, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./939", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./939", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4859 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] umount2("./939/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./939/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4859 attached , {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./939/binderfs" [pid 4859] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4859] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 4859] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4859] chdir("./927" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4859] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./939/config" [pid 4859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4859] <... prctl resumed>) = 0 [pid 310] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4859] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4859] <... setpgid resumed>) = 0 [pid 310] openat(AT_FDCWD, "./939/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(4 [pid 4859] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4859] write(3, "1000", 4 [pid 310] getdents64(4 [pid 4859] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4859] close(3 [pid 310] close(4 [pid 4859] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4859] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./939/config" [pid 4859] <... symlink resumed>) = 0 [pid 4859] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 [pid 4859] <... write resumed>) = 18 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 310] close(3) = 0 [pid 4859] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rmdir("./939") = 0 [pid 310] mkdir("./940", 0777 [pid 4859] <... mkdirat resumed>) = 0 [pid 4859] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4859] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4859] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4859] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] umount2("./917", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4860 [pid 4859] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./917", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 4859] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4859] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./865", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] umount2("./917/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./865", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./917/binderfs" [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] unlink("./917/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./865/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./895", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./865/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 307] openat(AT_FDCWD, "./895", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./917/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] unlink("./865/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 309] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 309] openat(AT_FDCWD, "./917/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./895/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 307] newfstatat(AT_FDCWD, "./895/binderfs" [pid 306] newfstatat(AT_FDCWD, "./865/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 307] unlink("./895/binderfs" [pid 306] umount2("./865/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./865/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 307] <... unlink resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(4 [pid 306] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./917/config" [pid 307] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4859] <... unlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./865/config" [pid 309] getdents64(3 [pid 4859] exit_group(0 [pid 307] newfstatat(AT_FDCWD, "./895/config" [pid 306] <... rmdir resumed>) = 0 [pid 4859] <... exit_group resumed>) = ? [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 4859] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 309] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4859, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] openat(AT_FDCWD, "./895/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 309] rmdir("./917" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./865" [pid 309] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 309] mkdir("./918", 0777 [pid 307] fstat(4 [pid 306] mkdir("./866", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(4 [pid 308] umount2("./927", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4861 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4862 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./927", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] rmdir("./895/config" [pid 308] fstat(3ci2-android-6-1/strace-static-x86_64: Process 4860 attached [pid 4860] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 4860] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4860] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4860] chdir("./940" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] close(3 [pid 308] umount2("./927/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./895" [pid 308] newfstatat(AT_FDCWD, "./927/binderfs" [pid 4860] <... chdir resumed>) = 0 [pid 4860] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4860] setpgid(0, 0 [pid 307] <... rmdir resumed>) = 0 [pid 4860] <... setpgid resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] mkdir("./896", 0777 [pid 308] unlink("./927/binderfs" [pid 4860] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4860] write(3, "1000", 4) = 4 [pid 4860] close(3 [pid 307] <... mkdir resumed>) = 0 [pid 4860] <... close resumed>) = 0 [pid 4860] symlink("/dev/binderfs", "./binderfs" [pid 308] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4860] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4860] write(1, "executing program\n", 18) = 18 [pid 4860] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4860] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4863 [pid 308] newfstatat(AT_FDCWD, "./927/config" [pid 4860] <... mount resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./927/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 4 [pid 4860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] fstat(4 [pid 4860] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4860] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] getdents64(4 [pid 4860] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4860] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4861 attached [pid 4860] <... symlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4860] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] close(4 [pid 4860] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... close resumed>) = 0 [pid 4861] set_robust_list(0x55556c898760, 24 [pid 4860] <... unlinkat resumed>) = 0 [pid 308] rmdir("./927/config"ci2-android-6-1/strace-static-x86_64: Process 4863 attached [pid 4860] exit_group(0) = ? [pid 4863] set_robust_list(0x55556c898760, 24 [pid 4861] <... set_robust_list resumed>) = 0 [pid 4860] +++ exited with 0 +++ [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4860, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(3ci2-android-6-1/strace-static-x86_64: Process 4862 attached ) = 0 [pid 4862] set_robust_list(0x55556c898760, 24 [pid 308] rmdir("./927" [pid 4862] <... set_robust_list resumed>) = 0 [pid 4862] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4862] chdir("./918") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4862] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] mkdir("./928", 0777 [pid 4862] <... prctl resumed>) = 0 [pid 4862] setpgid(0, 0) = 0 [pid 4862] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 4862] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4862] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4862] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4862] <... close resumed>) = 0 [pid 4862] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4862] write(1, "executing program\n", 18) = 18 executing program [pid 4862] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4862] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4864 [pid 4862] <... mount resumed>) = 0 [pid 4862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4862] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4862] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4862] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4861] rt_sigprocmask(SIG_SETMASK, [] [pid 4862] <... symlinkat resumed>) = 0 [pid 4862] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4862] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4861] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4863] <... set_robust_list resumed>) = 0 [pid 4862] exit_group(0) = ? [pid 4863] rt_sigprocmask(SIG_SETMASK, [] [pid 4862] +++ exited with 0 +++ [pid 4861] chdir("./866"ci2-android-6-1/strace-static-x86_64: Process 4864 attached ) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4862, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4864] set_robust_list(0x55556c898760, 24 [pid 4861] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4864] <... set_robust_list resumed>) = 0 [pid 4861] <... prctl resumed>) = 0 [pid 4864] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4864] chdir("./928") = 0 [pid 4863] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4861] setpgid(0, 0 [pid 4864] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4864] setpgid(0, 0) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4861] <... setpgid resumed>) = 0 [pid 4864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4861] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./918", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4864] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4864] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./918", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4861] <... openat resumed>) = 3 [pid 4864] close(3 [pid 4861] write(3, "1000", 4 [pid 309] <... openat resumed>) = 3 [pid 4864] <... close resumed>) = 0 [pid 4861] <... write resumed>) = 4 [pid 309] fstat(3 [pid 4864] symlink("/dev/binderfs", "./binderfs" [pid 4861] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4864] <... symlink resumed>) = 0 [pid 4861] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 4864] write(1, "executing program\n", 18) = 18 executing program [pid 4861] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4864] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./918/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4864] <... mkdirat resumed>) = 0 [pid 4863] chdir("./896" [pid 4861] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4864] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4861] write(1, "executing program\n", 18 [pid 309] newfstatat(AT_FDCWD, "./918/binderfs" [pid 4864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4861] <... write resumed>) = 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4864] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] unlink("./918/binderfs" [pid 4864] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 4864] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4861] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... unlink resumed>) = 0 [pid 4864] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4864] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4864] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4864] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4864] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./918/config" [pid 4861] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4861] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4864] <... unlinkat resumed>) = 0 [pid 4861] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4864] exit_group(0 [pid 4861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] openat(AT_FDCWD, "./918/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4861] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... restart_syscall resumed>) = 0 [pid 4861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... openat resumed>) = 4 [pid 4864] <... exit_group resumed>) = ? [pid 309] fstat(4 [pid 310] umount2("./940", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4861] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./940", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 4861] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] fstat(3 [pid 309] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] close(4 [pid 4864] +++ exited with 0 +++ [pid 4863] <... chdir resumed>) = 0 [pid 4861] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 4861] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./940/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./918/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4863] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4863] setpgid(0, 0) = 0 [pid 4863] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] newfstatat(AT_FDCWD, "./940/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4864, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4861] <... symlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4861] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] unlink("./940/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4863] <... openat resumed>) = 3 [pid 310] <... unlink resumed>) = 0 [pid 309] close(3 [pid 4861] <... unlinkat resumed>) = 0 [pid 310] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 4863] write(3, "1000", 4) = 4 [pid 4861] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rmdir("./918" [pid 310] <... umount2 resumed>) = 0 [pid 4863] close(3 [pid 310] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./940/config" [pid 309] mkdir("./919", 0777 [pid 4863] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4863] symlink("/dev/binderfs", "./binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 310] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] openat(AT_FDCWD, "./940/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4863] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 4863] write(1, "executing program\n", 18) = 18 executing program [pid 310] fstat(4 [pid 4863] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4865 [pid 310] getdents64(4 [pid 4863] <... mkdirat resumed>) = 0 [pid 4861] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 4863] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4861] exit_group(0 [pid 4863] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4863] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 4861] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 4863] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] rmdir("./940/config" [pid 308] umount2("./928", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4863] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 308] openat(AT_FDCWD, "./928", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4863] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] close(3 [pid 308] <... openat resumed>) = 3 [pid 4863] <... symlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] fstat(3 [pid 310] rmdir("./940" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4863] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4863] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 4863] <... unlinkat resumed>) = 0 [pid 310] mkdir("./941", 0777 [pid 308] getdents64(3 [pid 4861] +++ exited with 0 +++ [pid 4863] exit_group(0) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4861, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4863] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./928/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4863, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./928/binderfs" [pid 306] umount2("./866", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./866", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./866/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4866 [pid 308] unlink("./928/binderfs" [pid 306] newfstatat(AT_FDCWD, "./866/binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./866/binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4865 attached [pid 308] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 308] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./928/config" [pid 306] newfstatat(AT_FDCWD, "./866/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4865] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./866/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./928/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./866/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4865] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 4 [pid 4865] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(4 [pid 306] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(4 [pid 4865] chdir("./919" [pid 308] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4865] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 308] getdents64(4 [pid 4865] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4865] setpgid(0, 0) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 308] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4865] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... close resumed>) = 0 [pid 306] close(4 [pid 308] rmdir("./928/config" [pid 4865] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 4865] write(3, "1000", 4) = 4 [pid 4865] close(3) = 0 [pid 4865] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 306] rmdir("./866/config" [pid 308] getdents64(3 [pid 4865] <... symlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] close(3 [pid 306] getdents64(3 [pid 4865] write(1, "executing program\n", 18 [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./928" [pid 307] umount2("./896", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 4865] <... write resumed>) = 18 executing program [pid 4865] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 308] mkdir("./929", 0777 [pid 307] openat(AT_FDCWD, "./896", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rmdir("./866" [pid 4865] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4865] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... mkdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 4865] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4865] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] fstat(3 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] mkdir("./867", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4866 attached [pid 4865] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4866] set_robust_list(0x55556c898760, 24 [pid 4865] <... symlinkat resumed>) = 0 [pid 4866] <... set_robust_list resumed>) = 0 [pid 4865] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4866] rt_sigprocmask(SIG_SETMASK, [] [pid 4865] <... unlinkat resumed>) = 0 [pid 4866] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4865] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./896/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4867 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./896/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] unlink("./896/binderfs" [pid 4866] chdir("./941" [pid 4865] <... unlinkat resumed>) = 0 [pid 4866] <... chdir resumed>) = 0 [pid 4865] exit_group(0 [pid 4866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4865] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4867 attached [pid 4866] <... prctl resumed>) = 0 [pid 4865] +++ exited with 0 +++ [pid 307] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4868 [pid 307] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4866] setpgid(0, 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4865, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4866] <... setpgid resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... restart_syscall resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./896/config" [pid 4866] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4866] write(3, "1000", 4) = 4 [pid 309] umount2("./919", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4866] close(3) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4866] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./919", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./896/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4867] set_robust_list(0x55556c898760, 24 [pid 4866] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 4 [pid 4866] write(1, "executing program\n", 18) = 18 [pid 4866] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] fstat(3 [pid 307] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 executing program [pid 307] getdents64(4 [pid 4867] <... set_robust_list resumed>) = 0 [pid 4866] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4866] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./919/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 4866] <... mount resumed>) = 0 [pid 4866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4866] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./919/binderfs" [pid 307] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 309] unlink("./919/binderfs" [pid 307] rmdir("./896/config"ci2-android-6-1/strace-static-x86_64: Process 4868 attached [pid 4866] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 4868] set_robust_list(0x55556c898760, 24 [pid 4866] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4868] <... set_robust_list resumed>) = 0 [pid 4866] <... symlinkat resumed>) = 0 [pid 309] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 4868] rt_sigprocmask(SIG_SETMASK, [] [pid 4866] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 309] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 309] newfstatat(AT_FDCWD, "./919/config" [pid 4868] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4866] <... unlinkat resumed>) = 0 [pid 4868] chdir("./867" [pid 4866] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 4868] <... chdir resumed>) = 0 [pid 4866] <... unlinkat resumed>) = 0 [pid 309] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./896" [pid 4868] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4866] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4868] <... prctl resumed>) = 0 [pid 4866] <... exit_group resumed>) = ? [pid 4868] setpgid(0, 0 [pid 4867] rt_sigprocmask(SIG_SETMASK, [] [pid 4866] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "./919/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 4868] <... setpgid resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4866, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(4 [pid 307] mkdir("./897", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4868] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4868] write(3, "1000", 4) = 4 [pid 307] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4868] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4868] <... close resumed>) = 0 [pid 4868] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4868] write(1, "executing program\n", 18) = 18 [pid 4868] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4869 [pid 309] <... close resumed>) = 0 executing program [pid 4868] <... mkdirat resumed>) = 0 [pid 4867] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./919/config" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4868] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(3 [pid 4868] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 4868] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rmdir("./919" [pid 4868] <... mkdirat resumed>) = 0 [pid 4868] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4867] chdir("./929" [pid 4868] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] mkdir("./920", 0777 [pid 4868] <... unlinkat resumed>) = 0 [pid 4868] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4868] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 4867] <... chdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4868] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4868] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 4869 attached [pid 4867] <... prctl resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4870 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4868, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4869] set_robust_list(0x55556c898760, 24 [pid 4867] setpgid(0, 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4867] <... setpgid resumed>) = 0 [pid 4869] <... set_robust_list resumed>) = 0 [pid 4869] rt_sigprocmask(SIG_SETMASK, [] [pid 4867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4869] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4869] chdir("./897") = 0 [pid 4869] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4869] setpgid(0, 0 [pid 4867] <... openat resumed>) = 3 [pid 4869] <... setpgid resumed>) = 0 [pid 4869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4867] write(3, "1000", 4 [pid 4869] write(3, "1000", 4) = 4 [pid 4869] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 4867] <... write resumed>) = 4 [pid 4869] <... close resumed>) = 0 [pid 4869] symlink("/dev/binderfs", "./binderfs" [pid 4867] close(3 [pid 306] umount2("./867", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4869] <... symlink resumed>) = 0 [pid 4867] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4867] symlink("/dev/binderfs", "./binderfs" [pid 306] openat(AT_FDCWD, "./867", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4869] write(1, "executing program\n", 18 [pid 306] <... openat resumed>) = 3 [pid 4869] <... write resumed>) = 18 [pid 306] fstat(3 [pid 4869] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4867] <... symlink resumed>) = 0 executing program [pid 4869] <... mkdirat resumed>) = 0 [pid 4867] write(1, "executing program\n", 18 [pid 306] getdents64(3 executing program [pid 4869] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4867] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./867/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4869] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4867] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] newfstatat(AT_FDCWD, "./867/binderfs" [pid 4869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4869] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] unlink("./867/binderfs" [pid 4869] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4869] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4867] <... mkdirat resumed>) = 0 [pid 4869] <... symlinkat resumed>) = 0 [pid 4867] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... umount2 resumed>) = 0 [pid 4869] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4869] <... unlinkat resumed>) = 0 [pid 4867] <... mount resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4869] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] newfstatat(AT_FDCWD, "./867/config" [pid 4869] <... unlinkat resumed>) = 0 [pid 4867] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4869] exit_group(0 [pid 4867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./867/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4869] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4867] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] openat(AT_FDCWD, "./867/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4869] +++ exited with 0 +++ [pid 4867] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4869, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4870 attached , 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4870] set_robust_list(0x55556c898760, 24 [pid 306] getdents64(4 [pid 4867] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4870] <... set_robust_list resumed>) = 0 [pid 4867] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] close(4 [pid 4870] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 4867] <... symlinkat resumed>) = 0 [pid 4870] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rmdir("./867/config" [pid 4867] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4870] chdir("./920") = 0 [pid 4870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4870] setpgid(0, 0 [pid 306] <... rmdir resumed>) = 0 [pid 4870] <... setpgid resumed>) = 0 [pid 4870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./941", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 4867] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./897", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4867] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./941", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 306] close(3 [pid 310] fstat(3 [pid 307] openat(AT_FDCWD, "./897", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 307] fstat(3 [pid 306] rmdir("./867" [pid 4870] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4870] write(3, "1000", 4 [pid 306] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] umount2("./941/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./868", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4870] <... write resumed>) = 4 [pid 4870] close(3) = 0 [pid 4870] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4867] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./941/binderfs" [pid 307] umount2("./897/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 4870] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./941/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] newfstatat(AT_FDCWD, "./897/binderfs" [pid 4870] <... write resumed>) = 18 [pid 4870] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4867] exit_group(0 [pid 310] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./897/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4870] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4870] mount(NULL, "./config", "configfs", 0, NULL) = 0 executing program [pid 4870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4867] <... exit_group resumed>) = ? [pid 307] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./941/config" [pid 307] <... umount2 resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4871 [pid 4870] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4870] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] openat(AT_FDCWD, "./941/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./897/config" [pid 4870] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 307] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 307] openat(AT_FDCWD, "./897/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4870] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 307] fstat(4 [pid 4867] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(4 [pid 307] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4867, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 4870] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] rmdir("./941/config" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4870] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4870] exit_group(0) = ? [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 310] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 310] close(3 [pid 4870] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] rmdir("./941" [pid 307] rmdir("./897/config"ci2-android-6-1/strace-static-x86_64: Process 4871 attached [pid 4871] set_robust_list(0x55556c898760, 24) = 0 [pid 4871] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4870, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4871] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4871] chdir("./868" [pid 310] mkdir("./942", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rmdir resumed>) = 0 [pid 4871] <... chdir resumed>) = 0 [pid 4871] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4871] setpgid(0, 0) = 0 [pid 4871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4871] write(3, "1000", 4 [pid 307] <... close resumed>) = 0 [pid 4871] <... write resumed>) = 4 [pid 4871] close(3) = 0 [pid 4871] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] rmdir("./897" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4872 [pid 4871] write(1, "executing program\n", 18) = 18 executing program [pid 4871] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] mkdir("./898", 0777 [pid 4871] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4871] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4871] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 4871] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4871] <... mkdirat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4871] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4871] <... symlinkat resumed>) = 0 [pid 4871] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4871] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4871] exit_group(0) = ? [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4873 ci2-android-6-1/strace-static-x86_64: Process 4873 attached [pid 4871] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4872 attached [pid 4872] set_robust_list(0x55556c898760, 24) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4871, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./920", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./929", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4872] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./920", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./929", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4872] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 308] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 4872] chdir("./942" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./920/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./929/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./920/binderfs" [pid 308] newfstatat(AT_FDCWD, "./929/binderfs" [pid 4872] <... chdir resumed>) = 0 [pid 4872] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./920/binderfs" [pid 308] unlink("./929/binderfs" [pid 4872] setpgid(0, 0) = 0 [pid 4872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... unlink resumed>) = 0 [pid 4872] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4872] write(3, "1000", 4) = 4 [pid 4873] set_robust_list(0x55556c898760, 24 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4872] close(3) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./920/config" [pid 308] newfstatat(AT_FDCWD, "./929/config" [pid 4872] symlink("/dev/binderfs", "./binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4872] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] openat(AT_FDCWD, "./920/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./929/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4872] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 4872] <... write resumed>) = 18 [pid 4872] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] fstat(4 [pid 308] fstat(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 4872] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4873] <... set_robust_list resumed>) = 0 [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./868", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 308] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 309] rmdir("./920/config" [pid 308] rmdir("./929/config" [pid 306] openat(AT_FDCWD, "./868", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4872] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4872] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 4872] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] rmdir("./920" [pid 308] <... close resumed>) = 0 [pid 306] umount2("./868/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4872] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4872] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./929" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./921", 0777 [pid 4872] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./868/binderfs" [pid 4872] exit_group(0) = ? [pid 4873] rt_sigprocmask(SIG_SETMASK, [] [pid 4872] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 308] mkdir("./930", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4873] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4873] chdir("./898") = 0 [pid 4873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... mkdir resumed>) = 0 executing program [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4872, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] unlink("./868/binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4873] <... prctl resumed>) = 0 [pid 4873] setpgid(0, 0 [pid 306] <... unlink resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4873] <... setpgid resumed>) = 0 [pid 4873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4873] write(3, "1000", 4) = 4 [pid 4873] close(3 [pid 306] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4873] <... close resumed>) = 0 [pid 4873] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4873] write(1, "executing program\n", 18) = 18 [pid 4873] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4874 [pid 306] <... umount2 resumed>) = 0 [pid 4873] mount(NULL, "./config", "configfs", 0, NULL [pid 306] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./942", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4875 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4873] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./942", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./868/config" [pid 310] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] fstat(3 [pid 306] umount2("./868/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 306] openat(AT_FDCWD, "./868/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 4 [pid 310] umount2("./942/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4ci2-android-6-1/strace-static-x86_64: Process 4874 attached [pid 4873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./942/binderfs" [pid 4873] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4873] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(4 [pid 4873] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] unlink("./942/binderfs" [pid 306] getdents64(4 [pid 4873] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4873] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 4873] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./868/config" [pid 4873] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4873] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4875 attached [pid 4873] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./942/config" [pid 306] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 310] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4873, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./942/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3 [pid 4874] set_robust_list(0x55556c898760, 24 [pid 310] <... openat resumed>) = 4 [pid 4874] <... set_robust_list resumed>) = 0 [pid 310] fstat(4 [pid 306] <... close resumed>) = 0 [pid 4874] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4874] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 306] rmdir("./868" [pid 4874] chdir("./921" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4874] <... chdir resumed>) = 0 [pid 310] getdents64(4 [pid 4874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4874] <... prctl resumed>) = 0 [pid 310] close(4 [pid 4874] setpgid(0, 0 [pid 310] <... close resumed>) = 0 [pid 4874] <... setpgid resumed>) = 0 [pid 310] rmdir("./942/config" [pid 4875] set_robust_list(0x55556c898760, 24 [pid 4874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4875] <... set_robust_list resumed>) = 0 [pid 4874] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 4874] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./869", 0777 [pid 4874] <... write resumed>) = 4 [pid 310] close(3 [pid 4874] close(3 [pid 310] <... close resumed>) = 0 [pid 4874] <... close resumed>) = 0 [pid 310] rmdir("./942" [pid 4874] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4875] rt_sigprocmask(SIG_SETMASK, [] [pid 4874] <... symlink resumed>) = 0 [pid 310] mkdir("./943", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4875] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4874] write(1, "executing program\n", 18 [pid 310] <... mkdir resumed>) = 0 [pid 4874] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 4874] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4875] chdir("./930" [pid 4874] <... mkdirat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4874] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4876 ci2-android-6-1/strace-static-x86_64: Process 4877 attached [pid 4875] <... chdir resumed>) = 0 [pid 4874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4877 [pid 4874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4874] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4874] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4875] <... prctl resumed>) = 0 [pid 4877] set_robust_list(0x55556c898760, 24 [pid 4875] setpgid(0, 0 [pid 4874] <... mkdirat resumed>) = 0 [pid 4874] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4875] <... setpgid resumed>) = 0 [pid 4874] <... symlinkat resumed>) = 0 [pid 4874] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4874] <... unlinkat resumed>) = 0 [pid 4874] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4875] <... openat resumed>) = 3 [pid 4874] <... unlinkat resumed>) = 0 [pid 4875] write(3, "1000", 4 [pid 4874] exit_group(0 [pid 4877] <... set_robust_list resumed>) = 0 [pid 4875] <... write resumed>) = 4 [pid 4874] <... exit_group resumed>) = ? [pid 4877] rt_sigprocmask(SIG_SETMASK, [] [pid 4875] close(3 [pid 4874] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 4876 attached [pid 4875] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4874, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4876] set_robust_list(0x55556c898760, 24 [pid 4875] symlink("/dev/binderfs", "./binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4876] <... set_robust_list resumed>) = 0 [pid 4876] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4876] chdir("./943") = 0 [pid 4875] <... symlink resumed>) = 0 [pid 4876] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4876] setpgid(0, 0) = 0 [pid 4876] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4877] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 4875] write(1, "executing program\n", 18 [pid 4876] <... openat resumed>) = 3 [pid 4875] <... write resumed>) = 18 [pid 4876] write(3, "1000", 4) = 4 [pid 4876] close(3) = 0 [pid 4876] symlink("/dev/binderfs", "./binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 4876] <... symlink resumed>) = 0 [pid 4875] mkdirat(AT_FDCWD, "./config", 0777 [pid 4876] write(1, "executing program\n", 18) = 18 [pid 4876] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 309] umount2("./921", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4876] <... mkdirat resumed>) = 0 [pid 4875] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4876] mount(NULL, "./config", "configfs", 0, NULL [pid 309] openat(AT_FDCWD, "./921", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4875] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... openat resumed>) = 3 [pid 4876] <... mount resumed>) = 0 [pid 4875] <... mount resumed>) = 0 [pid 309] fstat(3 [pid 4876] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4876] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(3 [pid 4875] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4876] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4876] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./921/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4875] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4876] <... mkdirat resumed>) = 0 [pid 4875] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] newfstatat(AT_FDCWD, "./921/binderfs" [pid 307] <... restart_syscall resumed>) = 0 [pid 4877] chdir("./869" [pid 4876] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4875] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./921/binderfs" [pid 4876] <... symlinkat resumed>) = 0 [pid 4876] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... unlink resumed>) = 0 [pid 4875] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./898", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4876] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 4876] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./898", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4876] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4875] <... symlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./921/config" [pid 307] <... openat resumed>) = 3 [pid 4876] exit_group(0 [pid 4875] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(3 [pid 309] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 309] openat(AT_FDCWD, "./921/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4876] <... exit_group resumed>) = ? [pid 4877] <... chdir resumed>) = 0 [pid 4876] +++ exited with 0 +++ [pid 4875] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4875] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4876, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./898/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./898/binderfs" [pid 4877] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 4875] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] unlink("./898/binderfs" [pid 309] close(4 [pid 4877] <... prctl resumed>) = 0 [pid 4877] setpgid(0, 0) = 0 [pid 4877] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... close resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4875] exit_group(0 executing program [pid 309] rmdir("./921/config" [pid 307] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4877] <... openat resumed>) = 3 [pid 4877] write(3, "1000", 4 [pid 309] <... rmdir resumed>) = 0 [pid 4877] <... write resumed>) = 4 [pid 4875] <... exit_group resumed>) = ? [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = 0 [pid 4877] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4877] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./898/config" [pid 309] rmdir("./921" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4877] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./922", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4877] write(1, "executing program\n", 18) = 18 [pid 4877] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./898/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(4 [pid 4875] +++ exited with 0 +++ [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4877] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4877] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4875, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4878 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4877] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4877] <... symlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 4877] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4877] <... unlinkat resumed>) = 0 [pid 4877] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] close(4 [pid 4877] <... unlinkat resumed>) = 0 [pid 310] umount2("./943", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4877] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 4877] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./943", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4877] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 307] rmdir("./898/config" [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./943/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4877, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./943/binderfs" [pid 307] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./943/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./943/config" [pid 307] rmdir("./898" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./943/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] mkdir("./899", 0777 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./943/config") = 0 [pid 310] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 4878 attached [pid 310] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4878] set_robust_list(0x55556c898760, 24 [pid 310] rmdir("./943" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4878] <... set_robust_list resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4878] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./944", 0777 [pid 4878] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4878] chdir("./922" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./930", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4879 ci2-android-6-1/strace-static-x86_64: Process 4879 attached [pid 4878] <... chdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4880 attached [pid 4879] set_robust_list(0x55556c898760, 24 [pid 4878] <... prctl resumed>) = 0 [pid 308] openat(AT_FDCWD, "./930", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4878] setpgid(0, 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4880 [pid 4878] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4878] <... openat resumed>) = 3 [pid 4878] write(3, "1000", 4 [pid 308] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4878] <... write resumed>) = 4 [pid 4878] close(3) = 0 [pid 4878] symlink("/dev/binderfs", "./binderfs" [pid 4880] set_robust_list(0x55556c898760, 24 [pid 4879] <... set_robust_list resumed>) = 0 [pid 4878] <... symlink resumed>) = 0 [pid 308] fstat(3 [pid 4878] write(1, "executing program\n", 18) = 18 [pid 4878] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4880] <... set_robust_list resumed>) = 0 [pid 4879] rt_sigprocmask(SIG_SETMASK, [] [pid 4878] <... mkdirat resumed>) = 0 [pid 308] getdents64(3 [pid 4878] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4878] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4878] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4880] rt_sigprocmask(SIG_SETMASK, [] [pid 4879] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4878] <... mkdirat resumed>) = 0 [pid 308] umount2("./930/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4878] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4878] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] newfstatat(AT_FDCWD, "./930/binderfs" [pid 4878] <... unlinkat resumed>) = 0 [pid 4878] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4880] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4879] chdir("./899" [pid 4878] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4878] exit_group(0) = ? [pid 4880] chdir("./944" [pid 4879] <... chdir resumed>) = 0 [pid 4878] +++ exited with 0 +++ [pid 308] unlink("./930/binderfs" [pid 4880] <... chdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4878, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4880] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4880] setpgid(0, 0) = 0 [pid 308] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4880] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4880] write(3, "1000", 4) = 4 [pid 4880] close(3) = 0 [pid 4880] symlink("/dev/binderfs", "./binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 4880] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4879] <... prctl resumed>) = 0 [pid 4880] write(1, "executing program\n", 18 [pid 308] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./922", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4880] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] openat(AT_FDCWD, "./922", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./930/config" [pid 4880] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(3 [pid 308] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 308] openat(AT_FDCWD, "./930/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4880] <... mkdirat resumed>) = 0 [pid 4879] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... openat resumed>) = 4 [pid 4880] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./922/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 4880] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./922/binderfs" [pid 308] getdents64(4 [pid 4880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] unlink("./922/binderfs" [pid 308] getdents64(4 [pid 4880] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4880] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... unlink resumed>) = 0 [pid 4880] <... mkdirat resumed>) = 0 [pid 309] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4880] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./869", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./869", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./922/config" [pid 308] rmdir("./930/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 4880] <... symlinkat resumed>) = 0 [pid 4880] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4880] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4879] <... setpgid resumed>) = 0 [pid 309] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 309] openat(AT_FDCWD, "./922/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... openat resumed>) = 4 [pid 308] close(3 [pid 309] fstat(4 [pid 306] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 4880] exit_group(0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./930" [pid 309] getdents64(4 [pid 306] umount2("./869/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4880] <... exit_group resumed>) = ? [pid 4880] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4879] <... openat resumed>) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4880, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 308] mkdir("./931", 0777 [pid 306] newfstatat(AT_FDCWD, "./869/binderfs" [pid 4879] write(3, "1000", 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4879] <... write resumed>) = 4 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4879] close(3 [pid 309] close(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] unlink("./869/binderfs" [pid 309] <... close resumed>) = 0 [pid 4879] <... close resumed>) = 0 [pid 309] rmdir("./922/config" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4879] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4879] <... symlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 310] umount2("./944", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4879] write(1, "executing program\n", 18 [pid 306] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4881 attached [pid 4879] <... write resumed>) = 18 executing program [pid 310] openat(AT_FDCWD, "./944", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4881 [pid 306] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4881] set_robust_list(0x55556c898760, 24 [pid 4879] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 310] fstat(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4881] <... set_robust_list resumed>) = 0 [pid 4879] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 309] rmdir("./922" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./869/config" [pid 4881] rt_sigprocmask(SIG_SETMASK, [] [pid 4879] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./944/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4881] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4879] <... mount resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./944/binderfs" [pid 309] mkdir("./923", 0777 [pid 4881] chdir("./931" [pid 4879] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./869/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./944/binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 4881] <... chdir resumed>) = 0 [pid 4879] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4879] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4881] <... prctl resumed>) = 0 [pid 4879] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = 0 [pid 306] openat(AT_FDCWD, "./869/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4881] setpgid(0, 0 [pid 4879] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4881] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 4879] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./944/config" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4879] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(4 [pid 310] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./944/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4879] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4881] <... openat resumed>) = 3 [pid 4879] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4882 [pid 4881] write(3, "1000", 4 [pid 4879] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 4881] <... write resumed>) = 4 [pid 4879] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4881] close(3 [pid 4879] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4881] <... close resumed>) = 0 [pid 4879] exit_group(0 [pid 310] getdents64(4 [pid 306] getdents64(4 [pid 4881] symlink("/dev/binderfs", "./binderfs" [pid 4879] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./944/config" [pid 4879] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 4881] <... symlink resumed>) = 0 [pid 310] getdents64(3 [pid 4881] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4879, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 4881] <... write resumed>) = 18 executing program [pid 310] close(3 [pid 4881] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./869/config" [pid 310] rmdir("./944") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] mkdir("./945", 0777 [pid 4881] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 4881] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4881] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4883 attached [pid 4881] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] close(3 [pid 4883] set_robust_list(0x55556c898760, 24 [pid 4881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4883 [pid 4883] <... set_robust_list resumed>) = 0 [pid 4881] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 4883] rt_sigprocmask(SIG_SETMASK, [] [pid 4881] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./869"ci2-android-6-1/strace-static-x86_64: Process 4882 attached [pid 4882] set_robust_list(0x55556c898760, 24) = 0 [pid 4883] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4882] rt_sigprocmask(SIG_SETMASK, [] [pid 4881] <... mkdirat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4883] chdir("./945" [pid 4881] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4883] <... chdir resumed>) = 0 [pid 306] mkdir("./870", 0777 [pid 4882] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4882] chdir("./923" [pid 306] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4881] <... symlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4883] <... prctl resumed>) = 0 [pid 4881] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./899", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4882] <... chdir resumed>) = 0 [pid 4882] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4884 [pid 307] openat(AT_FDCWD, "./899", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4884 attached [pid 4883] setpgid(0, 0 [pid 4882] setpgid(0, 0 [pid 4881] <... unlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4884] set_robust_list(0x55556c898760, 24 [pid 4883] <... setpgid resumed>) = 0 [pid 4881] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] fstat(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4884] <... set_robust_list resumed>) = 0 [pid 4882] <... setpgid resumed>) = 0 [pid 4883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4881] <... unlinkat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4884] rt_sigprocmask(SIG_SETMASK, [] [pid 4883] <... openat resumed>) = 3 [pid 4882] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4881] exit_group(0 [pid 307] getdents64(3 [pid 4884] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4883] write(3, "1000", 4 [pid 4881] <... exit_group resumed>) = ? [pid 4882] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4882] write(3, "1000", 4) = 4 [pid 4881] +++ exited with 0 +++ [pid 307] umount2("./899/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4883] <... write resumed>) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4881, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4883] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4884] chdir("./870" [pid 4883] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./899/binderfs" [pid 4883] symlink("/dev/binderfs", "./binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4883] <... symlink resumed>) = 0 [pid 4882] close(3 [pid 307] unlink("./899/binderfs" [pid 4884] <... chdir resumed>) = 0 [pid 4883] write(1, "executing program\n", 18 executing program [pid 4884] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4883] <... write resumed>) = 18 [pid 4882] <... close resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4884] <... prctl resumed>) = 0 [pid 4883] mkdirat(AT_FDCWD, "./config", 0777 [pid 4884] setpgid(0, 0 [pid 307] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4882] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 4884] <... setpgid resumed>) = 0 [pid 4883] <... mkdirat resumed>) = 0 [pid 4882] <... symlink resumed>) = 0 [pid 307] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4883] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./899/config" [pid 4884] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4883] <... mount resumed>) = 0 [pid 4882] write(1, "executing program\n", 18 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4884] <... openat resumed>) = 3 [pid 4883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4884] write(3, "1000", 4 [pid 307] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4884] <... write resumed>) = 4 [pid 4883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4884] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] openat(AT_FDCWD, "./899/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4884] <... close resumed>) = 0 [pid 4883] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4884] symlink("/dev/binderfs", "./binderfs" [pid 4883] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4882] <... write resumed>) = 18 executing program [pid 307] <... openat resumed>) = 4 [pid 4884] <... symlink resumed>) = 0 [pid 4883] <... mkdirat resumed>) = 0 executing program [pid 4882] mkdirat(AT_FDCWD, "./config", 0777 [pid 4884] write(1, "executing program\n", 18 [pid 4883] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4882] <... mkdirat resumed>) = 0 [pid 307] fstat(4 [pid 4884] <... write resumed>) = 18 [pid 4883] <... symlinkat resumed>) = 0 [pid 4882] mount(NULL, "./config", "configfs", 0, NULL [pid 4884] mkdirat(AT_FDCWD, "./config", 0777 [pid 4883] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4882] <... mount resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4883] <... unlinkat resumed>) = 0 [pid 4882] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] getdents64(4 [pid 4884] <... mkdirat resumed>) = 0 [pid 4883] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4882] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4884] mount(NULL, "./config", "configfs", 0, NULL [pid 4883] <... unlinkat resumed>) = 0 [pid 4882] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4883] exit_group(0 [pid 4882] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4884] <... mount resumed>) = 0 [pid 4883] <... exit_group resumed>) = ? [pid 4882] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 4882] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4882] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4883] +++ exited with 0 +++ [pid 4882] <... unlinkat resumed>) = 0 [pid 307] close(4 [pid 4884] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4882] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4882] <... unlinkat resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4883, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 4884] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4882] exit_group(0 [pid 310] umount2("./945", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4884] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4882] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./899/config" [pid 4884] <... mkdirat resumed>) = 0 [pid 4882] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./945", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 4884] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(3 [pid 307] <... rmdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4882, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4884] <... symlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 307] getdents64(3 [pid 4884] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./931", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4884] <... unlinkat resumed>) = 0 [pid 310] umount2("./945/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4884] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4884] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./945/binderfs" [pid 307] close(3 [pid 4884] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./931", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4884] <... exit_group resumed>) = ? [pid 310] unlink("./945/binderfs" [pid 307] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] rmdir("./899" [pid 310] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 4884] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./900", 0777 [pid 310] newfstatat(AT_FDCWD, "./945/config" [pid 308] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4884, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./945/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 308] umount2("./931/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./923", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./931/binderfs" [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 309] openat(AT_FDCWD, "./923", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4885 attached [pid 310] rmdir("./945/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4885] set_robust_list(0x55556c898760, 24 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4885 [pid 4885] <... set_robust_list resumed>) = 0 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 308] unlink("./931/binderfs" [pid 4885] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4885] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] close(3 [pid 308] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4885] chdir("./900" [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 4885] <... chdir resumed>) = 0 [pid 310] rmdir("./945" [pid 308] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4885] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4885] <... prctl resumed>) = 0 [pid 310] mkdir("./946", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 4885] setpgid(0, 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./923/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4885] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4885] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./923/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4886 attached [pid 4885] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./931/config" [pid 4886] set_robust_list(0x55556c898760, 24 [pid 4885] write(3, "1000", 4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4886 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4886] <... set_robust_list resumed>) = 0 [pid 4885] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4886] rt_sigprocmask(SIG_SETMASK, [] [pid 4885] close(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./923/binderfs" [pid 4886] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4885] <... close resumed>) = 0 [pid 308] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 4885] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./931/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 309] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./923/config" [pid 308] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4886] chdir("./946" [pid 4885] <... symlink resumed>) = 0 [pid 309] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4885] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 4886] <... chdir resumed>) = 0 executing program [pid 4886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4885] <... write resumed>) = 18 [pid 309] openat(AT_FDCWD, "./923/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 4 [pid 4885] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] close(4 [pid 4886] <... prctl resumed>) = 0 [pid 309] fstat(4 [pid 308] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./931/config" [pid 309] getdents64(4 [pid 4886] setpgid(0, 0) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rmdir resumed>) = 0 [pid 4886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 308] getdents64(3 [pid 4886] <... openat resumed>) = 3 [pid 4885] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4886] write(3, "1000", 4 [pid 4885] mount(NULL, "./config", "configfs", 0, NULL [pid 309] close(4 [pid 308] close(3 [pid 4886] <... write resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4886] close(3 [pid 309] rmdir("./923/config" [pid 308] rmdir("./931" [pid 306] <... restart_syscall resumed>) = 0 [pid 4886] <... close resumed>) = 0 [pid 4886] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 4886] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4886] write(1, "executing program\n", 18 [pid 4885] <... mount resumed>) = 0 [pid 309] getdents64(3 [pid 308] mkdir("./932", 0777 [pid 4885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4886] <... write resumed>) = 18 executing program [pid 4886] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./870", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./923" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4886] <... mkdirat resumed>) = 0 [pid 4885] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./870", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4885] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4886] mount(NULL, "./config", "configfs", 0, NULL [pid 309] mkdir("./924", 0777 [pid 306] <... openat resumed>) = 3 [pid 4886] <... mount resumed>) = 0 [pid 306] fstat(3 [pid 4886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4887 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 4885] <... mkdirat resumed>) = 0 [pid 4886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4885] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4886] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4885] <... symlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4885] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./870/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4886] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4886] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-6-1/strace-static-x86_64: Process 4888 attached [pid 4885] <... unlinkat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4888 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4885] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4888] set_robust_list(0x55556c898760, 24 [pid 4886] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4885] <... unlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./870/binderfs" [pid 4888] <... set_robust_list resumed>) = 0 [pid 4886] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4888] rt_sigprocmask(SIG_SETMASK, [] [pid 4886] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4885] exit_group(0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4888] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4886] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4885] <... exit_group resumed>) = ? [pid 306] unlink("./870/binderfs" [pid 4888] chdir("./924" [pid 4886] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4886] exit_group(0 [pid 306] <... unlink resumed>) = 0 [pid 4886] <... exit_group resumed>) = ? [pid 4886] +++ exited with 0 +++ [pid 4885] +++ exited with 0 +++ [pid 306] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4886, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4887 attached [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4885, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4887] set_robust_list(0x55556c898760, 24 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = 0 [pid 4888] <... chdir resumed>) = 0 [pid 4887] <... set_robust_list resumed>) = 0 [pid 306] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4888] <... prctl resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./870/config" [pid 4888] setpgid(0, 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4888] <... setpgid resumed>) = 0 [pid 4888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4887] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./870/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4887] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4888] <... openat resumed>) = 3 [pid 4887] chdir("./932" [pid 306] openat(AT_FDCWD, "./870/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4888] write(3, "1000", 4) = 4 [pid 4887] <... chdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4888] close(3) = 0 [pid 4887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] fstat(4 [pid 4888] symlink("/dev/binderfs", "./binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4887] <... prctl resumed>) = 0 [pid 306] getdents64(4 [pid 4887] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4888] <... symlink resumed>) = 0 [pid 4888] write(1, "executing program\n", 18 [pid 4887] <... setpgid resumed>) = 0 [pid 306] getdents64(4 [pid 4888] <... write resumed>) = 18 [pid 4887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 4888] mkdirat(AT_FDCWD, "./config", 0777 [pid 4887] <... openat resumed>) = 3 [pid 306] close(4 [pid 4887] write(3, "1000", 4 [pid 306] <... close resumed>) = 0 [pid 4887] <... write resumed>) = 4 [pid 4888] <... mkdirat resumed>) = 0 [pid 306] rmdir("./870/config" [pid 4888] mount(NULL, "./config", "configfs", 0, NULL [pid 4887] close(3) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4888] <... mount resumed>) = 0 [pid 4887] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(3 [pid 4888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4887] <... symlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4887] write(1, "executing program\n", 18 executing program [pid 306] close(3 [pid 4888] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4887] <... write resumed>) = 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4887] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] rmdir("./870" [pid 4888] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4887] <... mkdirat resumed>) = 0 [pid 4887] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./946", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4887] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./900", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] openat(AT_FDCWD, "./946", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4887] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 306] mkdir("./871", 0777 [pid 4887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(3 [pid 307] openat(AT_FDCWD, "./900", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4887] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4887] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 4887] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... openat resumed>) = 3 [pid 306] <... mkdir resumed>) = 0 [pid 4887] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./946/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4887] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4887] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./946/binderfs" [pid 307] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4887] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4887] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] unlink("./946/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4887] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4887] exit_group(0 [pid 310] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./900/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4887] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = 0 [pid 4887] +++ exited with 0 +++ [pid 310] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4889 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4887, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./900/binderfs" [pid 310] newfstatat(AT_FDCWD, "./946/config" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./900/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./946/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4 [pid 307] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 307] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4888] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 4888] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 310] rmdir("./946/config" [pid 4888] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 4888] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rmdir("./946" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./900/config" [pid 4888] <... unlinkat resumed>) = 0 [pid 310] mkdir("./947", 0777 [pid 4888] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4888] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4890 [pid 4888] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./900/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4889 attached [pid 4888] <... exit_group resumed>) = ? [pid 307] fstat(4 [pid 4889] set_robust_list(0x55556c898760, 24 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4889] <... set_robust_list resumed>) = 0 [pid 4889] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 4889] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4889] chdir("./871" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4889] <... chdir resumed>) = 0 [pid 307] getdents64(4 [pid 4889] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4889] <... prctl resumed>) = 0 [pid 307] close(4 [pid 4889] setpgid(0, 0 [pid 307] <... close resumed>) = 0 [pid 4889] <... setpgid resumed>) = 0 [pid 307] rmdir("./900/config" [pid 4889] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 4888] +++ exited with 0 +++ [pid 307] getdents64(3 [pid 4889] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4888, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(3 [pid 4889] <... write resumed>) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... close resumed>) = 0 [pid 4889] close(3 [pid 307] rmdir("./900" [pid 4889] <... close resumed>) = 0 [pid 4889] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4889] write(1, "executing program\n", 18 [pid 307] mkdir("./901", 0777 [pid 4889] <... write resumed>) = 18 executing program [pid 4889] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4890 attached [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4889] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4889] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4889] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4889] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4889] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4889] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4891 [pid 4889] <... symlinkat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4889] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4889] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./924", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./932", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./924", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./932", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4889] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 308] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4889] exit_group(0 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 4889] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4890] set_robust_list(0x55556c898760, 24 [pid 4889] +++ exited with 0 +++ [pid 309] umount2("./924/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./932/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./924/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4889, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./924/binderfs" [pid 308] newfstatat(AT_FDCWD, "./932/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4891 attached [pid 4891] set_robust_list(0x55556c898760, 24 [pid 309] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4891] <... set_robust_list resumed>) = 0 [pid 309] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./932/binderfs" [pid 4891] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... unlink resumed>) = 0 [pid 4891] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./924/config" [pid 308] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./932/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4891] chdir("./901" [pid 309] openat(AT_FDCWD, "./924/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4891] <... chdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./932/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 4891] <... prctl resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 4891] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(4 [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 309] close(4 [pid 4891] <... setpgid resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 309] rmdir("./924/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 308] close(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 4891] write(3, "1000", 4 [pid 308] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./932/config" [pid 4891] <... write resumed>) = 4 [pid 4891] close(3) = 0 [pid 4891] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./871", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 309] rmdir("./924" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4891] write(1, "executing program\n", 18) = 18 executing program [pid 4891] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4890] <... set_robust_list resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 306] openat(AT_FDCWD, "./871", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4891] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... openat resumed>) = 3 [pid 4891] <... mount resumed>) = 0 [pid 309] mkdir("./925", 0777 [pid 308] <... close resumed>) = 0 [pid 306] fstat(3 [pid 4891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4891] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] rmdir("./932" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4891] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4891] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] mkdir("./933", 0777 [pid 4891] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4891] <... unlinkat resumed>) = 0 [pid 4891] exit_group(0 [pid 308] <... mkdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./871/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4891] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4891] +++ exited with 0 +++ [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./871/binderfs" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4892 ci2-android-6-1/strace-static-x86_64: Process 4892 attached [pid 4892] set_robust_list(0x55556c898760, 24) = 0 [pid 4892] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4892] chdir("./925") = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4891, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4893 [pid 4892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] unlink("./871/binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4892] <... prctl resumed>) = 0 [pid 4892] setpgid(0, 0) = 0 [pid 4892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4892] <... openat resumed>) = 3 [pid 4892] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = 0 [pid 4892] <... write resumed>) = 4 [pid 306] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4892] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4890] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./871/config" [pid 4892] <... close resumed>) = 0 [pid 4890] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4892] symlink("/dev/binderfs", "./binderfs" [pid 306] umount2("./871/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4890] chdir("./947" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4892] <... symlink resumed>) = 0 [pid 4890] <... chdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./871/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4892] write(1, "executing program\n", 18) = 18 [pid 4890] <... prctl resumed>) = 0 executing program [pid 306] <... openat resumed>) = 4 [pid 4892] mkdirat(AT_FDCWD, "./config", 0777 [pid 4890] setpgid(0, 0 [pid 306] fstat(4 [pid 4892] <... mkdirat resumed>) = 0 [pid 4890] <... setpgid resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4892] mount(NULL, "./config", "configfs", 0, NULL [pid 306] getdents64(4 [pid 4890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4892] <... mount resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] getdents64(4 [pid 4890] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4892] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] close(4 [pid 4890] write(3, "1000", 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4890] <... write resumed>) = 4 [pid 306] rmdir("./871/config" [pid 4892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4892] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4890] close(3 [pid 307] umount2("./901", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4892] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 4890] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./901", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4890] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] close(3 [pid 307] fstat(3 [pid 4892] <... symlinkat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 4890] <... symlink resumed>) = 0 [pid 307] getdents64(3 [pid 4890] write(1, "executing program\n", 18 [pid 306] rmdir("./871" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4892] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4892] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4890] <... write resumed>) = 18 [pid 307] umount2("./901/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4892] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./872", 0777 [pid 4890] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] newfstatat(AT_FDCWD, "./901/binderfs" [pid 4892] <... exit_group resumed>) = ? [pid 4892] +++ exited with 0 +++ [pid 4890] <... mkdirat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4890] mount(NULL, "./config", "configfs", 0, NULL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4892, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] unlink("./901/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4893 attached [pid 307] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4893] set_robust_list(0x55556c898760, 24) = 0 [pid 4893] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4893] chdir("./933") = 0 [pid 4893] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4893] setpgid(0, 0) = 0 [pid 4890] <... mount resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4894 [pid 307] <... umount2 resumed>) = 0 [pid 4893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./901/config" [pid 4890] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 307] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4893] <... openat resumed>) = 3 [pid 4890] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4893] write(3, "1000", 4 [pid 4890] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] openat(AT_FDCWD, "./901/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4893] <... write resumed>) = 4 [pid 4893] close(3 [pid 307] <... openat resumed>) = 4 [pid 4893] <... close resumed>) = 0 [pid 307] fstat(4 [pid 4893] symlink("/dev/binderfs", "./binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4893] <... symlink resumed>) = 0 [pid 4890] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 4893] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4890] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] getdents64(4 [pid 4893] <... write resumed>) = 18 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4893] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] close(4 [pid 4890] <... symlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 4890] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] rmdir("./901/config" [pid 4893] <... mkdirat resumed>) = 0 [pid 4890] <... unlinkat resumed>) = 0 executing program [pid 307] <... rmdir resumed>) = 0 [pid 4893] mount(NULL, "./config", "configfs", 0, NULL [pid 307] getdents64(3 [pid 4890] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4893] <... mount resumed>) = 0 [pid 307] close(3 [pid 4893] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... close resumed>) = 0 [pid 4893] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rmdir("./901" [pid 4893] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4893] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 4894 attached [pid 4894] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4890] <... unlinkat resumed>) = 0 [pid 307] mkdir("./902", 0777 [pid 4893] <... mkdirat resumed>) = 0 [pid 4893] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4890] exit_group(0 [pid 307] <... mkdir resumed>) = 0 [pid 4893] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4893] <... unlinkat resumed>) = 0 [pid 4890] <... exit_group resumed>) = ? [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4893] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4893] exit_group(0) = ? [pid 4893] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4895 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4893, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4894] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./925", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4894] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4890] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./933", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4890, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "./925", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./933", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 308] <... openat resumed>) = 3 [pid 4894] chdir("./872" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 4894] <... chdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4894] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 309] umount2("./925/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4894] setpgid(0, 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./933/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./925/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./933/binderfs" [pid 309] unlink("./925/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4894] <... setpgid resumed>) = 0 [pid 4894] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... unlink resumed>) = 0 [pid 308] unlink("./933/binderfs" [pid 309] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4894] write(3, "1000", 4) = 4 [pid 4894] close(3 [pid 308] <... unlink resumed>) = 0 [pid 4894] <... close resumed>) = 0 [pid 308] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 4894] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4895 attached [pid 309] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4895] set_robust_list(0x55556c898760, 24 [pid 4894] <... symlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./925/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4894] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./933/config" [pid 4894] <... write resumed>) = 18 [pid 309] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4895] <... set_robust_list resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./925/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4895] rt_sigprocmask(SIG_SETMASK, [] [pid 4894] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./933/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4895] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(4 [pid 308] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4895] chdir("./902" [pid 308] fstat(4 [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4895] <... chdir resumed>) = 0 [pid 4894] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 4895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4894] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 4895] <... prctl resumed>) = 0 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4895] setpgid(0, 0 [pid 4894] <... mount resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] close(4 [pid 4895] <... setpgid resumed>) = 0 [pid 309] rmdir("./925/config" [pid 4894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4894] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./933/config" [pid 4895] <... openat resumed>) = 3 [pid 4894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(3 [pid 4895] write(3, "1000", 4 [pid 4894] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./947", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 4895] <... write resumed>) = 4 [pid 4894] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4895] close(3 [pid 4894] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./947", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 4895] <... close resumed>) = 0 [pid 4894] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 3 [pid 309] close(3 [pid 4895] symlink("/dev/binderfs", "./binderfs" [pid 4894] <... symlinkat resumed>) = 0 [pid 310] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4894] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 4895] <... symlink resumed>) = 0 [pid 4894] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 4895] write(1, "executing program\n", 18 [pid 4894] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 309] rmdir("./925" [pid 308] <... close resumed>) = 0 [pid 4895] <... write resumed>) = 18 [pid 4894] <... unlinkat resumed>) = 0 [pid 310] umount2("./947/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4894] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./933" [pid 4895] mkdirat(AT_FDCWD, "./config", 0777 [pid 4894] <... exit_group resumed>) = ? [pid 310] newfstatat(AT_FDCWD, "./947/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 4895] <... mkdirat resumed>) = 0 [pid 4894] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./926", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 310] unlink("./947/binderfs") = 0 [pid 310] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4894, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4895] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = 0 [pid 308] mkdir("./934", 0777 [pid 310] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./947/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4895] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./947/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./947/config" [pid 4895] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4896 [pid 310] getdents64(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./947") = 0 [pid 310] mkdir("./948", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4895] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4897 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 4895] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4895] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4898 [pid 4895] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4896 attached [pid 4896] set_robust_list(0x55556c898760, 24) = 0 [pid 4895] <... mkdirat resumed>) = 0 [pid 4896] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4896] chdir("./926") = 0 [pid 4895] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4896] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4896] setpgid(0, 0) = 0 [pid 4896] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4895] <... symlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4898 attached [pid 4896] <... openat resumed>) = 3 [pid 4895] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4896] write(3, "1000", 4) = 4 [pid 4896] close(3) = 0 ci2-android-6-1/strace-static-x86_64: Process 4897 attached [pid 4896] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4895] <... unlinkat resumed>) = 0 [pid 4898] set_robust_list(0x55556c898760, 24 [pid 4897] set_robust_list(0x55556c898760, 24) = 0 [pid 4897] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4897] chdir("./934" [pid 4898] <... set_robust_list resumed>) = 0 [pid 4895] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4897] <... chdir resumed>) = 0 [pid 4896] write(1, "executing program\n", 18) = 18 [pid 4897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4896] mkdirat(AT_FDCWD, "./config", 0777 [pid 4897] <... prctl resumed>) = 0 [pid 4897] setpgid(0, 0 [pid 4895] <... unlinkat resumed>) = 0 executing program [pid 4897] <... setpgid resumed>) = 0 [pid 4897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4896] <... mkdirat resumed>) = 0 [pid 4895] exit_group(0 [pid 4897] <... openat resumed>) = 3 [pid 4895] <... exit_group resumed>) = ? [pid 4898] rt_sigprocmask(SIG_SETMASK, [] [pid 4897] write(3, "1000", 4) = 4 [pid 4897] close(3) = 0 [pid 4897] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4896] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4895] +++ exited with 0 +++ [pid 4897] write(1, "executing program\n", 18 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4895, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4897] <... write resumed>) = 18 [pid 4896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4897] mkdirat(AT_FDCWD, "./config", 0777 [pid 4896] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./872", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./902", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./872", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./902", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4898] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4897] <... mkdirat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 306] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4896] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4896] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 4896] <... mkdirat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./902/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./872/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4897] mount(NULL, "./config", "configfs", 0, NULL [pid 4896] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4897] <... mount resumed>) = 0 [pid 4896] <... symlinkat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./902/binderfs" [pid 306] newfstatat(AT_FDCWD, "./872/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./902/binderfs" [pid 306] unlink("./872/binderfs" [pid 4897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4896] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4897] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4896] <... unlinkat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4896] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4897] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4896] <... unlinkat resumed>) = 0 [pid 307] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 4898] chdir("./948" [pid 4897] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4896] exit_group(0 [pid 4898] <... chdir resumed>) = 0 [pid 4897] <... mkdirat resumed>) = 0 [pid 4896] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4898] <... prctl resumed>) = 0 [pid 4897] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4896] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 4898] setpgid(0, 0) = 0 [pid 4897] <... symlinkat resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4896, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./902/config" [pid 306] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./872/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4897] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] openat(AT_FDCWD, "./902/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./872/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./872/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 4897] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 4 [pid 4898] <... openat resumed>) = 3 [pid 307] getdents64(4 [pid 306] fstat(4 [pid 4898] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4898] <... write resumed>) = 4 [pid 307] close(4 [pid 306] getdents64(4 [pid 4897] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... close resumed>) = 0 [pid 4898] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rmdir("./902/config" [pid 306] getdents64(4 [pid 4897] <... unlinkat resumed>) = 0 [pid 4897] exit_group(0) = ? [pid 4898] <... close resumed>) = 0 [pid 4897] +++ exited with 0 +++ [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4898] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(3 [pid 306] close(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4897, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./872/config" [pid 4898] <... symlink resumed>) = 0 [pid 309] umount2("./926", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./902" [pid 4898] write(1, "executing program\n", 18) = 18 executing program [pid 4898] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4898] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./926", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 4898] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... openat resumed>) = 3 [pid 4898] <... mount resumed>) = 0 [pid 309] fstat(3 [pid 307] mkdir("./903", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./934", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4898] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 306] close(3 [pid 308] openat(AT_FDCWD, "./934", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... openat resumed>) = 3 [pid 309] umount2("./926/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rmdir("./872" [pid 309] newfstatat(AT_FDCWD, "./926/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4898] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4898] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4898] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4898] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4899 [pid 306] <... rmdir resumed>) = 0 [pid 309] unlink("./926/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4898] exit_group(0 [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./934/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./873", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4898] <... exit_group resumed>) = ? [pid 4898] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./934/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4898, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./934/binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./926/config"ci2-android-6-1/strace-static-x86_64: Process 4899 attached [pid 4899] set_robust_list(0x55556c898760, 24 [pid 308] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4899] <... set_robust_list resumed>) = 0 [pid 309] openat(AT_FDCWD, "./926/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = 0 [pid 4899] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4899] chdir("./903") = 0 [pid 4899] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4899] setpgid(0, 0) = 0 [pid 4899] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... openat resumed>) = 4 [pid 308] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4900 [pid 309] fstat(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./934/config" [pid 309] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4899] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./934/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4899] write(3, "1000", 4) = 4 [pid 309] close(4 [pid 4899] close(3 [pid 308] <... openat resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 308] fstat(4 [pid 309] rmdir("./926/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4899] <... close resumed>) = 0 [pid 4899] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 309] getdents64(3 [pid 4899] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] close(3 [pid 308] getdents64(4 [pid 4899] <... write resumed>) = 18 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./926" [pid 308] close(4 [pid 4899] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 executing program [pid 308] <... close resumed>) = 0 [pid 309] mkdir("./927", 0777 [pid 308] rmdir("./934/config" [pid 4899] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 4899] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4899] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4899] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4899] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] close(3 [pid 4899] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4901 [pid 308] <... close resumed>) = 0 [pid 4899] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4901 attached [pid 4899] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rmdir("./934"ci2-android-6-1/strace-static-x86_64: Process 4900 attached [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4900] set_robust_list(0x55556c898760, 24) = 0 [pid 4900] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4899, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] mkdir("./935", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4900] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4900] chdir("./873") = 0 [pid 4900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4900] setpgid(0, 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4900] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4900] <... openat resumed>) = 3 [pid 4900] write(3, "1000", 4) = 4 [pid 4900] close(3) = 0 [pid 4900] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4900] write(1, "executing program\n", 18) = 18 executing program [pid 4900] mkdirat(AT_FDCWD, "./config", 0777 [pid 4901] set_robust_list(0x55556c898760, 24 [pid 4900] <... mkdirat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4902 [pid 4900] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4900] <... mount resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4900] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4900] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4900] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./948", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4900] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4900] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./948", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4900] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 4900] exit_group(0 [pid 310] fstat(3 [pid 4900] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4901] <... set_robust_list resumed>) = 0 [pid 4900] +++ exited with 0 +++ [pid 310] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4902 attached , 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4900, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./948/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./948/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4902] set_robust_list(0x55556c898760, 24 [pid 310] unlink("./948/binderfs" [pid 4902] <... set_robust_list resumed>) = 0 [pid 4902] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4902] chdir("./935" [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4902] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./948/config" [pid 4902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4902] <... prctl resumed>) = 0 [pid 310] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4902] setpgid(0, 0) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./948/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 4902] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./903", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4902] write(3, "1000", 4 [pid 310] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./903", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(4 [pid 4902] <... write resumed>) = 4 [pid 307] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 307] fstat(3 [pid 310] rmdir("./948/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4902] close(3) = 0 [pid 4902] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] getdents64(3 [pid 4902] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4902] <... write resumed>) = 18 [pid 310] close(3 [pid 307] umount2("./903/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./948" [pid 307] newfstatat(AT_FDCWD, "./903/binderfs" [pid 4902] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4902] <... mkdirat resumed>) = 0 [pid 310] mkdir("./949", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4901] rt_sigprocmask(SIG_SETMASK, [] [pid 4902] mount(NULL, "./config", "configfs", 0, NULL [pid 307] unlink("./903/binderfs" [pid 4902] <... mount resumed>) = 0 [pid 4902] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4902] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 306] umount2("./873", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4902] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... unlink resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./873", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4902] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 4902] <... mkdirat resumed>) = 0 [pid 4902] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4902] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4903 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4902] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] newfstatat(AT_FDCWD, "./903/config" [pid 306] getdents64(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4902] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4902] exit_group(0 [pid 307] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./873/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4901] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./903/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./873/binderfs" [pid 4902] <... exit_group resumed>) = ? [pid 4902] +++ exited with 0 +++ [pid 4901] chdir("./927" [pid 307] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4901] <... chdir resumed>) = 0 [pid 307] fstat(4 [pid 306] unlink("./873/binderfs" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4902, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4903 attached [pid 4903] set_robust_list(0x55556c898760, 24 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(4 [pid 306] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4903] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4903] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 4901] <... prctl resumed>) = 0 [pid 307] getdents64(4 [pid 306] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4901] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4901] <... setpgid resumed>) = 0 [pid 307] close(4 [pid 306] newfstatat(AT_FDCWD, "./873/config" [pid 4903] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 4903] chdir("./949") = 0 [pid 4903] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4903] setpgid(0, 0) = 0 [pid 4903] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rmdir("./903/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4903] write(3, "1000", 4) = 4 [pid 4903] close(3) = 0 [pid 4903] symlink("/dev/binderfs", "./binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./873/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./873/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(3 [pid 4903] <... symlink resumed>) = 0 [pid 4901] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4901] write(3, "1000", 4 [pid 307] rmdir("./903" [pid 306] fstat(4 [pid 4903] write(1, "executing program\n", 18) = 18 executing program [pid 4903] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4901] <... write resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4901] close(3 [pid 307] mkdir("./904", 0777 [pid 306] getdents64(4 [pid 4903] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4903] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 308] umount2("./935", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4901] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(4 [pid 4901] symlink("/dev/binderfs", "./binderfs" [pid 308] openat(AT_FDCWD, "./935", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 4903] <... mkdirat resumed>) = 0 [pid 4903] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4903] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] fstat(3 [pid 306] rmdir("./873/config" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4904 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4903] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4903] exit_group(0 [pid 306] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 4903] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4903] +++ exited with 0 +++ [pid 4901] <... symlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3 [pid 308] umount2("./935/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4901] write(1, "executing program\n", 18 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4903, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 4901] <... write resumed>) = 18 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] newfstatat(AT_FDCWD, "./935/binderfs" [pid 306] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 306] rmdir("./873" [pid 308] unlink("./935/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4904 attached [pid 4901] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 4904] set_robust_list(0x55556c898760, 24 [pid 308] <... unlink resumed>) = 0 [pid 306] mkdir("./874", 0777 [pid 308] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4904] <... set_robust_list resumed>) = 0 [pid 4904] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4904] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4904] chdir("./904") = 0 [pid 4904] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4904] setpgid(0, 0) = 0 [pid 4904] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] newfstatat(AT_FDCWD, "./935/config" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4905 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./935/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4901] <... mkdirat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 4901] mount(NULL, "./config", "configfs", 0, NULLci2-android-6-1/strace-static-x86_64: Process 4905 attached [pid 308] fstat(4 [pid 4904] <... openat resumed>) = 3 [pid 4901] <... mount resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4905] set_robust_list(0x55556c898760, 24 [pid 4904] write(3, "1000", 4 [pid 4901] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] getdents64(4 [pid 4905] <... set_robust_list resumed>) = 0 [pid 4904] <... write resumed>) = 4 [pid 4905] rt_sigprocmask(SIG_SETMASK, [] [pid 4904] close(3 [pid 4901] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4905] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4904] <... close resumed>) = 0 [pid 4901] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(4 [pid 4905] chdir("./874" [pid 4904] symlink("/dev/binderfs", "./binderfs" [pid 4901] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4905] <... chdir resumed>) = 0 [pid 4901] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] close(4) = 0 [pid 4905] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4901] <... mkdirat resumed>) = 0 [pid 308] rmdir("./935/config" [pid 4904] <... symlink resumed>) = 0 [pid 4904] write(1, "executing program\n", 18 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4905] <... prctl resumed>) = 0 [pid 4901] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(3 [pid 4905] setpgid(0, 0 [pid 4904] <... write resumed>) = 18 [pid 4904] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./949", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4901] <... symlinkat resumed>) = 0 [pid 308] close(3 [pid 4905] <... setpgid resumed>) = 0 [pid 4901] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./949", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 executing program [pid 4905] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4904] <... mkdirat resumed>) = 0 [pid 4901] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] rmdir("./935" [pid 4901] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4904] mount(NULL, "./config", "configfs", 0, NULL [pid 310] fstat(3 [pid 4904] <... mount resumed>) = 0 [pid 4904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 308] mkdir("./936", 0777 [pid 4904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4904] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4904] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./949/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 4901] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./949/binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4905] <... openat resumed>) = 3 [pid 4904] <... mkdirat resumed>) = 0 [pid 4901] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4905] write(3, "1000", 4 [pid 4901] <... exit_group resumed>) = ? [pid 310] unlink("./949/binderfs" [pid 4905] <... write resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... unlink resumed>) = 0 [pid 4904] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4904] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4904] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4904] exit_group(0 [pid 310] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4904] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4906 [pid 310] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4904] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4905] close(3 [pid 4901] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./949/config" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4905] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4904, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4905] symlink("/dev/binderfs", "./binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4901, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./949/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4905] <... symlink resumed>) = 0 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4905] write(1, "executing program\n", 18 [pid 310] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4906 attached [pid 4906] set_robust_list(0x55556c898760, 24) = 0 [pid 4906] rt_sigprocmask(SIG_SETMASK, [] [pid 4905] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 4906] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 4906] chdir("./936" [pid 4905] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4906] <... chdir resumed>) = 0 [pid 310] close(4 [pid 4906] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4906] setpgid(0, 0 [pid 310] <... close resumed>) = 0 [pid 4906] <... setpgid resumed>) = 0 [pid 310] rmdir("./949/config" [pid 4906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 4906] write(3, "1000", 4 [pid 310] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 4906] <... write resumed>) = 4 [pid 4905] <... mkdirat resumed>) = 0 [pid 4906] close(3 [pid 310] <... close resumed>) = 0 [pid 4905] mount(NULL, "./config", "configfs", 0, NULL [pid 307] umount2("./904", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./949" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4906] <... close resumed>) = 0 [pid 4906] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./904", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4905] <... mount resumed>) = 0 [pid 310] mkdir("./950", 0777 [pid 4905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... openat resumed>) = 3 [pid 4906] write(1, "executing program\n", 18) = 18 executing program [pid 4906] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 307] fstat(3 [pid 4906] mount(NULL, "./config", "configfs", 0, NULL [pid 4905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4905] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4905] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 4906] <... mount resumed>) = 0 [pid 4905] <... mkdirat resumed>) = 0 [pid 4905] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4907 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 4907 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./904/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4907] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4907] <... set_robust_list resumed>) = 0 [pid 4906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] newfstatat(AT_FDCWD, "./904/binderfs" [pid 4906] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4906] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] unlink("./904/binderfs" [pid 4906] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4905] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4905] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4907] rt_sigprocmask(SIG_SETMASK, [] [pid 4906] <... symlinkat resumed>) = 0 [pid 4907] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4906] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = 0 [pid 4905] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 307] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4906] <... unlinkat resumed>) = 0 [pid 4906] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4907] chdir("./950" [pid 4905] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4905] <... exit_group resumed>) = ? [pid 307] newfstatat(AT_FDCWD, "./904/config" [pid 4907] <... chdir resumed>) = 0 [pid 4906] <... unlinkat resumed>) = 0 [pid 4905] +++ exited with 0 +++ [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4906] exit_group(0 [pid 307] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4905, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4907] <... prctl resumed>) = 0 [pid 4906] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] openat(AT_FDCWD, "./904/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 4906] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4907] setpgid(0, 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4906, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4907] <... setpgid resumed>) = 0 [pid 307] getdents64(4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 4907] <... openat resumed>) = 3 [pid 307] rmdir("./904/config" [pid 4907] write(3, "1000", 4) = 4 [pid 4907] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 4907] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 4907] symlink("/dev/binderfs", "./binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 309] umount2("./927", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./904" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4907] <... symlink resumed>) = 0 [pid 4907] write(1, "executing program\n", 18) = 18 [pid 307] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./927", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 307] mkdir("./905", 0777 [pid 4907] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... openat resumed>) = 3 [pid 4907] <... mkdirat resumed>) = 0 [pid 309] fstat(3 [pid 307] <... mkdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4907] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./927/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4907] <... mount resumed>) = 0 [pid 4907] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4907] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4908 [pid 309] newfstatat(AT_FDCWD, "./927/binderfs" [pid 4907] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./927/binderfs" [pid 4907] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4907] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4907] <... symlinkat resumed>) = 0 [pid 4907] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./936", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4907] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./927/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./936", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 4907] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./927/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 4907] exit_group(0 [pid 309] fstat(4 [pid 308] getdents64(3 [pid 4907] <... exit_group resumed>) = ? [pid 4907] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(4 [pid 308] umount2("./936/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4908 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4907, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./936/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 308] unlink("./936/binderfs" [pid 4908] set_robust_list(0x55556c898760, 24 [pid 309] <... close resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 309] rmdir("./927/config" [pid 308] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4908] <... set_robust_list resumed>) = 0 [pid 4908] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4908] chdir("./905") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4908] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = 0 [pid 4908] <... prctl resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4908] setpgid(0, 0 [pid 308] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4908] <... setpgid resumed>) = 0 [pid 309] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4908] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./936/config" [pid 309] rmdir("./927" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4908] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4908] write(3, "1000", 4 [pid 309] mkdir("./928", 0777 [pid 4908] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4908] close(3) = 0 [pid 4908] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./936/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... restart_syscall resumed>) = 0 [pid 4908] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 4908] <... write resumed>) = 18 executing program [pid 310] umount2("./950", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4908] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(4 [pid 306] umount2("./874", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./950", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] openat(AT_FDCWD, "./874", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4908] <... mkdirat resumed>) = 0 [pid 310] fstat(3 [pid 308] getdents64(4 [pid 306] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 4909 attached [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4909 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] close(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4909] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 4909] <... set_robust_list resumed>) = 0 [pid 310] umount2("./950/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./936/config" [pid 4908] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4908] <... mount resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./874/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./950/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./874/binderfs" [pid 308] close(3 [pid 4909] rt_sigprocmask(SIG_SETMASK, [] [pid 310] unlink("./950/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 4908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 306] unlink("./874/binderfs" [pid 4909] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./936" [pid 4908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... unlink resumed>) = 0 [pid 4908] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4908] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4909] chdir("./928" [pid 310] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./937", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 4908] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4908] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4909] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./950/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./874/config" [pid 4909] <... prctl resumed>) = 0 [pid 310] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4909] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4908] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4908] exit_group(0) = ? [pid 4909] <... setpgid resumed>) = 0 [pid 4908] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./950/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./874/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4908, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] fstat(4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4910 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./874/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 4910 attached [pid 4909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(4 [pid 310] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 310] close(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 4910] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... close resumed>) = 0 [pid 4910] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./950/config" [pid 306] getdents64(4 [pid 4909] <... openat resumed>) = 3 [pid 4910] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4910] chdir("./937") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] umount2("./905", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4909] write(3, "1000", 4 [pid 310] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 4909] <... write resumed>) = 4 [pid 310] close(3 [pid 307] openat(AT_FDCWD, "./905", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4909] close(3 [pid 310] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4909] <... close resumed>) = 0 [pid 310] rmdir("./950" [pid 307] <... openat resumed>) = 3 [pid 306] rmdir("./874/config" [pid 4910] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4910] setpgid(0, 0) = 0 [pid 4910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 4910] <... openat resumed>) = 3 [pid 4910] write(3, "1000", 4) = 4 [pid 4910] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 307] fstat(3 [pid 4909] symlink("/dev/binderfs", "./binderfs" [pid 310] mkdir("./951", 0777 [pid 306] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4910] <... close resumed>) = 0 [pid 4910] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4910] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./905/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4910] <... write resumed>) = 18 [pid 4910] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] newfstatat(AT_FDCWD, "./905/binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4911 [pid 306] rmdir("./874" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4910] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] unlink("./905/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 4909] <... symlink resumed>) = 0 [pid 4910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... unlink resumed>) = 0 executing program [pid 4909] write(1, "executing program\n", 18 [pid 306] mkdir("./875", 0777 [pid 307] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4910] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4909] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 307] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4909] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./905/config" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4910] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4910] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4910] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4910] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4912 [pid 307] openat(AT_FDCWD, "./905/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4910] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4910] +++ exited with 0 +++ [pid 4909] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4910, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4911 attached [pid 4909] mount(NULL, "./config", "configfs", 0, NULL [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4911] set_robust_list(0x55556c898760, 24 [pid 307] getdents64(4 [pid 4911] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4911] rt_sigprocmask(SIG_SETMASK, [] [pid 4909] <... mount resumed>) = 0 [pid 307] close(4 [pid 4911] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4909] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... close resumed>) = 0 [pid 4911] chdir("./951" [pid 4909] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rmdir("./905/config" [pid 4911] <... chdir resumed>) = 0 [pid 4911] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4911] setpgid(0, 0) = 0 [pid 4911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4909] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 4911] <... openat resumed>) = 3 [pid 4911] write(3, "1000", 4 [pid 307] getdents64(3 [pid 4909] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4911] <... write resumed>) = 4 [pid 4909] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] close(3 [pid 4911] close(3) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./905" [pid 4911] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4911] write(1, "executing program\n", 18 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./906", 0777 [pid 4911] <... write resumed>) = 18 executing program [pid 4911] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4909] <... mkdirat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4911] mount(NULL, "./config", "configfs", 0, NULL [pid 4909] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4911] <... mount resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4909] <... symlinkat resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4912 attached [pid 4912] set_robust_list(0x55556c898760, 24 [pid 4911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4912] <... set_robust_list resumed>) = 0 [pid 4911] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4912] rt_sigprocmask(SIG_SETMASK, [] [pid 4911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4911] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4909] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4913 [pid 4912] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4912] chdir("./875" [pid 4909] <... unlinkat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4912] <... chdir resumed>) = 0 [pid 4911] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4909] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4911] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4909] <... unlinkat resumed>) = 0 [pid 4912] <... prctl resumed>) = 0 [pid 4911] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4912] setpgid(0, 0 [pid 4911] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4912] <... setpgid resumed>) = 0 [pid 4911] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4909] exit_group(0 [pid 4912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4911] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4912] <... openat resumed>) = 3 [pid 4911] exit_group(0 [pid 4909] <... exit_group resumed>) = ? [pid 4912] write(3, "1000", 4 [pid 4911] <... exit_group resumed>) = ? [pid 4912] <... write resumed>) = 4 [pid 4911] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4911, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4912] close(3) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4912] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./937", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4909] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4909, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./937", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4912] <... symlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 4912] write(1, "executing program\n", 18 [pid 308] fstat(3 [pid 4912] <... write resumed>) = 18 executing program [pid 4912] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4912] <... mkdirat resumed>) = 0 [pid 308] getdents64(3 [pid 4912] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4912] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] umount2("./937/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4912] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4912] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] newfstatat(AT_FDCWD, "./937/binderfs" [pid 4912] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4912] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] unlink("./937/binderfs" [pid 4912] <... mkdirat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 4912] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4912] <... symlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4912] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4912] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4912] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] newfstatat(AT_FDCWD, "./937/config" [pid 4912] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4912] exit_group(0 [pid 308] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4912] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./937/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4912] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 4 [pid 310] umount2("./951", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4912, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./951", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4913 attached [pid 310] <... openat resumed>) = 3 [pid 4913] set_robust_list(0x55556c898760, 24 [pid 310] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4913] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] close(4 [pid 310] umount2("./951/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./937/config" [pid 310] newfstatat(AT_FDCWD, "./951/binderfs" [pid 4913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4913] chdir("./906") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 310] unlink("./951/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4913] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4913] setpgid(0, 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] close(3 [pid 306] umount2("./875", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = 0 [pid 308] rmdir("./937" [pid 306] openat(AT_FDCWD, "./875", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4913] <... openat resumed>) = 3 [pid 4913] write(3, "1000", 4) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 4913] close(3 [pid 306] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./938", 0777 [pid 306] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./951/config" [pid 4913] <... close resumed>) = 0 [pid 4913] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4913] write(1, "executing program\n", 18 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] openat(AT_FDCWD, "./951/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4913] <... write resumed>) = 18 [pid 4913] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 310] <... openat resumed>) = 4 [pid 306] umount2("./875/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4914 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4913] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./875/binderfs" [pid 310] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] unlink("./875/binderfs" [pid 310] getdents64(4 [pid 4913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./928", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4913] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./928", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = 0 [pid 310] rmdir("./951/config" [pid 309] <... openat resumed>) = 3 [pid 4913] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 4913] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./875/config" [pid 310] close(3 [pid 4913] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./928/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./951" [pid 306] umount2("./875/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4913] <... symlinkat resumed>) = 0 [pid 4913] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./928/binderfs" [pid 306] openat(AT_FDCWD, "./875/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./952", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 4 [pid 4913] <... unlinkat resumed>) = 0 [pid 4913] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] unlink("./928/binderfs" [pid 306] fstat(4 [pid 4913] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4913] <... exit_group resumed>) = ? [pid 4913] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 4914 attached [pid 4914] set_robust_list(0x55556c898760, 24) = 0 [pid 4914] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4914] chdir("./938") = 0 [pid 4914] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4914] setpgid(0, 0) = 0 [pid 4914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4913, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4915 [pid 309] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./928/config" [pid 306] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./875/config" [pid 309] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4914] <... openat resumed>) = 3 [pid 4914] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 4914] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./928/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 4914] close(3 [pid 309] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 306] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4914] <... close resumed>) = 0 [pid 4914] symlink("/dev/binderfs", "./binderfs" [pid 306] <... close resumed>) = 0 executing program [pid 309] getdents64(4 [pid 306] rmdir("./875" [pid 4914] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4914] write(1, "executing program\n", 18) = 18 [pid 4914] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 306] mkdir("./876", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4914] <... mkdirat resumed>) = 0 [pid 309] close(4 [pid 306] <... mkdir resumed>) = 0 [pid 4914] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rmdir("./928/config" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4914] <... mount resumed>) = 0 [pid 4914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] getdents64(3 [pid 4914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4914] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4914] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4916 [pid 309] close(3 [pid 4914] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./928" [pid 4914] <... unlinkat resumed>) = 0 [pid 4914] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4914] exit_group(0 [pid 309] mkdir("./929", 0777 [pid 4914] <... exit_group resumed>) = ? [pid 4914] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4914, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4916 attached [pid 4916] set_robust_list(0x55556c898760, 24) = 0 [pid 4916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4916] chdir("./876") = 0 [pid 4916] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4916] setpgid(0, 0) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4917 [pid 4916] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4916] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4915 attached [pid 4916] write(3, "1000", 4) = 4 [pid 4916] close(3) = 0 [pid 4916] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4915] set_robust_list(0x55556c898760, 24 [pid 4916] write(1, "executing program\n", 18) = 18 executing program [pid 4916] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4915] <... set_robust_list resumed>) = 0 [pid 4916] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4915] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 4917 attached [pid 4917] set_robust_list(0x55556c898760, 24) = 0 [pid 4917] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4915] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4917] chdir("./929" [pid 308] umount2("./938", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4915] chdir("./952" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4916] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4915] <... chdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./938", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4917] <... chdir resumed>) = 0 [pid 4917] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... openat resumed>) = 3 [pid 4916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4915] <... prctl resumed>) = 0 [pid 308] fstat(3 [pid 4917] setpgid(0, 0) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4915] setpgid(0, 0 [pid 4916] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4915] <... setpgid resumed>) = 0 [pid 308] getdents64(3 [pid 4917] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4916] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./938/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./938/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./938/binderfs" [pid 4917] <... openat resumed>) = 3 [pid 4917] write(3, "1000", 4) = 4 [pid 308] <... unlink resumed>) = 0 [pid 4915] <... openat resumed>) = 3 [pid 308] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4917] close(3) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4915] write(3, "1000", 4 [pid 308] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4917] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4915] <... write resumed>) = 4 [pid 307] umount2("./906", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./938/config" [pid 4916] <... mkdirat resumed>) = 0 [pid 4915] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4915] <... close resumed>) = 0 executing program executing program [pid 307] openat(AT_FDCWD, "./906", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4916] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4915] symlink("/dev/binderfs", "./binderfs" [pid 307] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 308] openat(AT_FDCWD, "./938/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] getdents64(3 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(4 [pid 307] umount2("./906/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./906/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4915] <... symlink resumed>) = 0 [pid 308] close(4 [pid 307] unlink("./906/binderfs" [pid 308] <... close resumed>) = 0 [pid 4917] <... symlink resumed>) = 0 [pid 308] rmdir("./938/config" [pid 307] <... unlink resumed>) = 0 [pid 4915] write(1, "executing program\n", 18 [pid 4916] <... symlinkat resumed>) = 0 [pid 4917] write(1, "executing program\n", 18) = 18 [pid 4917] mkdirat(AT_FDCWD, "./config", 0777 [pid 4916] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4915] <... write resumed>) = 18 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 308] close(3 [pid 4917] <... mkdirat resumed>) = 0 [pid 4916] <... unlinkat resumed>) = 0 [pid 4915] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... close resumed>) = 0 [pid 307] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./938" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4917] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4917] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./906/config" [pid 308] mkdir("./939", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4917] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4917] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4917] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... mkdir resumed>) = 0 [pid 4916] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4917] <... symlinkat resumed>) = 0 [pid 4917] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4917] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4916] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./906/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4917] exit_group(0 [pid 307] <... openat resumed>) = 4 [pid 4917] <... exit_group resumed>) = ? [pid 4917] +++ exited with 0 +++ [pid 4916] exit_group(0 [pid 307] fstat(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4917, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4918 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4916] <... exit_group resumed>) = ? [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4918 attached [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4918] set_robust_list(0x55556c898760, 24 [pid 307] close(4 [pid 4918] <... set_robust_list resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./906/config" [pid 4918] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4918] chdir("./939" [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 4915] <... mkdirat resumed>) = 0 [pid 4918] <... chdir resumed>) = 0 [pid 4916] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 4915] mount(NULL, "./config", "configfs", 0, NULL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4916, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 309] umount2("./929", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4918] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./876", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./929", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rmdir("./906" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 4918] setpgid(0, 0) = 0 [pid 4918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 306] openat(AT_FDCWD, "./876", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] mkdir("./907", 0777 [pid 309] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 4918] <... openat resumed>) = 3 [pid 4918] write(3, "1000", 4) = 4 [pid 4918] close(3) = 0 [pid 4918] symlink("/dev/binderfs", "./binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 306] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4915] <... mount resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./929/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4918] <... symlink resumed>) = 0 [pid 4918] write(1, "executing program\n", 18) = 18 [pid 4918] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] newfstatat(AT_FDCWD, "./929/binderfs" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./876/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4918] <... mkdirat resumed>) = 0 executing program [pid 4918] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./929/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4919 [pid 306] newfstatat(AT_FDCWD, "./876/binderfs" [pid 309] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4915] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] unlink("./876/binderfs" [pid 4915] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./929/config" [pid 4918] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./929/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./876/config" [pid 309] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4915] <... mkdirat resumed>) = 0 [pid 309] fstat(4 [pid 4915] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./876/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 306] openat(AT_FDCWD, "./876/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4918] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 306] fstat(4 [pid 4915] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4915] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(4 [pid 306] getdents64(4 [pid 4918] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./929/config" [pid 4915] <... unlinkat resumed>) = 0 [pid 306] getdents64(4 [pid 4918] <... symlinkat resumed>) = 0 [pid 4918] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 4915] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 306] close(4 [pid 4915] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 309] close(3 [pid 306] rmdir("./876/config" [pid 4918] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 4918] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4915] exit_group(0 [pid 309] rmdir("./929" [pid 306] <... rmdir resumed>) = 0 [pid 4918] exit_group(0) = ? [pid 4918] +++ exited with 0 +++ [pid 4915] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 309] mkdir("./930", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4919 attached [pid 309] <... mkdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4918, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rmdir("./876" [pid 4919] set_robust_list(0x55556c898760, 24) = 0 [pid 4919] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4919] chdir("./907") = 0 [pid 4919] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4919] setpgid(0, 0) = 0 [pid 4919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4920 [pid 306] <... rmdir resumed>) = 0 [pid 4919] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] mkdir("./877", 0777 [pid 4915] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4919] write(3, "1000", 4) = 4 [pid 4919] close(3 [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4920 attached [pid 4919] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4915, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4920] set_robust_list(0x55556c898760, 24 [pid 4919] symlink("/dev/binderfs", "./binderfs" [pid 4920] <... set_robust_list resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4920] rt_sigprocmask(SIG_SETMASK, [] [pid 4919] <... symlink resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4920] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4919] write(1, "executing program\n", 18) = 18 [pid 4919] mkdirat(AT_FDCWD, "./config", 0777 [pid 4920] chdir("./930" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4921 ci2-android-6-1/strace-static-x86_64: Process 4921 attached executing program [pid 4921] set_robust_list(0x55556c898760, 24 [pid 4920] <... chdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4921] <... set_robust_list resumed>) = 0 [pid 4920] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4920] <... prctl resumed>) = 0 [pid 4921] rt_sigprocmask(SIG_SETMASK, [] [pid 4920] setpgid(0, 0 [pid 4919] <... mkdirat resumed>) = 0 [pid 4921] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4920] <... setpgid resumed>) = 0 [pid 4920] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4919] mount(NULL, "./config", "configfs", 0, NULL [pid 4921] chdir("./877" [pid 4920] <... openat resumed>) = 3 [pid 4921] <... chdir resumed>) = 0 [pid 4920] write(3, "1000", 4 [pid 4921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4920] <... write resumed>) = 4 [pid 4921] <... prctl resumed>) = 0 [pid 4920] close(3 [pid 4921] setpgid(0, 0 [pid 4920] <... close resumed>) = 0 [pid 4921] <... setpgid resumed>) = 0 [pid 4920] symlink("/dev/binderfs", "./binderfs" [pid 4919] <... mount resumed>) = 0 [pid 4920] <... symlink resumed>) = 0 [pid 4921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4920] write(1, "executing program\n", 18) = 18 [pid 4919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4920] mkdirat(AT_FDCWD, "./config", 0777 [pid 4919] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4921] <... openat resumed>) = 3 [pid 310] <... restart_syscall resumed>) = 0 executing program [pid 4919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] umount2("./952", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4919] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4921] write(3, "1000", 4 [pid 4920] <... mkdirat resumed>) = 0 [pid 4919] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./952", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4921] <... write resumed>) = 4 [pid 4920] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... restart_syscall resumed>) = 0 [pid 4921] close(3 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 4921] <... close resumed>) = 0 [pid 4920] <... mount resumed>) = 0 [pid 4919] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4921] symlink("/dev/binderfs", "./binderfs" [pid 4920] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(3 [pid 308] umount2("./939", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4920] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4920] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4919] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4921] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4921] write(1, "executing program\n", 18 [pid 4920] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./952/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./939", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4920] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4920] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./952/binderfs" [pid 4921] <... write resumed>) = 18 [pid 4920] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] fstat(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4920] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./952/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4921] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 4920] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4919] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 4920] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4919] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... umount2 resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./939/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4920] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./952/config" [pid 308] newfstatat(AT_FDCWD, "./939/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4920] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4920] <... exit_group resumed>) = ? [pid 310] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./939/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4919] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./952/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... unlink resumed>) = 0 [pid 4919] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 4919] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 308] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4920] +++ exited with 0 +++ [pid 4919] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4921] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 4921] mount(NULL, "./config", "configfs", 0, NULL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4920, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./939/config" [pid 310] close(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 308] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./952/config" [pid 4921] <... mount resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4921] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4919] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./939/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4921] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 308] <... openat resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4919, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4921] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] fstat(4 [pid 310] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4921] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 4921] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] getdents64(4 [pid 310] rmdir("./952" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4921] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 4921] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] mkdir("./953", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4921] <... symlinkat resumed>) = 0 [pid 4921] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] close(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 4921] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rmdir("./939/config" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4921] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4921] exit_group(0) = ? [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4922 [pid 308] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 4922 attached [pid 4921] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./930", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4922] set_robust_list(0x55556c898760, 24 [pid 308] close(3 [pid 4922] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4921, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "./930", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] fstat(3 [pid 308] rmdir("./939" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4922] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 4922] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] mkdir("./940", 0777 [pid 306] umount2("./877", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4922] chdir("./953" [pid 309] umount2("./930/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./877", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4922] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 3 [pid 4922] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] newfstatat(AT_FDCWD, "./930/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] fstat(3 [pid 4922] <... prctl resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4922] setpgid(0, 0 [pid 309] unlink("./930/binderfs" [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./877/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4923 attached [pid 4922] <... setpgid resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4923 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./877/binderfs" [pid 4923] set_robust_list(0x55556c898760, 24 [pid 4922] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4923] <... set_robust_list resumed>) = 0 [pid 4922] <... openat resumed>) = 3 [pid 309] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./877/binderfs" [pid 4923] rt_sigprocmask(SIG_SETMASK, [] [pid 4922] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 4923] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4922] <... write resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./930/config" [pid 306] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4923] chdir("./940" [pid 4922] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4923] <... chdir resumed>) = 0 [pid 4922] <... close resumed>) = 0 [pid 309] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4923] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4922] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4923] <... prctl resumed>) = 0 [pid 309] openat(AT_FDCWD, "./930/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./877/config" [pid 4923] setpgid(0, 0 [pid 4922] <... symlink resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4923] <... setpgid resumed>) = 0 [pid 4922] write(1, "executing program\n", 18 [pid 309] fstat(4 executing program [pid 306] umount2("./877/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4922] <... write resumed>) = 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 306] openat(AT_FDCWD, "./877/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4922] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./907", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./907", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4922] <... mkdirat resumed>) = 0 [pid 309] close(4 [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 4923] <... openat resumed>) = 3 [pid 4922] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... close resumed>) = 0 [pid 307] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4923] write(3, "1000", 4 [pid 4922] <... mount resumed>) = 0 [pid 309] rmdir("./930/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4923] <... write resumed>) = 4 [pid 4922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rmdir("./877/config" [pid 4923] close(3 [pid 4922] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./907/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4923] <... close resumed>) = 0 [pid 4922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 4923] symlink("/dev/binderfs", "./binderfs" [pid 4922] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./907/binderfs" [pid 4922] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./930" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(3) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] unlink("./907/binderfs" [pid 306] rmdir("./877" [pid 4923] <... symlink resumed>) = 0 [pid 4922] <... mkdirat resumed>) = 0 [pid 309] mkdir("./931", 0777 [pid 307] <... unlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4923] write(1, "executing program\n", 18 [pid 4922] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" executing program [pid 306] mkdir("./878", 0777 [pid 4923] <... write resumed>) = 18 [pid 4922] <... symlinkat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 4923] mkdirat(AT_FDCWD, "./config", 0777 [pid 4922] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4922] <... unlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4922] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4923] <... mkdirat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./907/config" [pid 4922] <... unlinkat resumed>) = 0 [pid 4923] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4925 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4924 [pid 4922] exit_group(0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4923] <... mount resumed>) = 0 [pid 4922] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] openat(AT_FDCWD, "./907/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4925 attached ) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 4922] +++ exited with 0 +++ [pid 4923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4922, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(4 [pid 4923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] close(4 [pid 4923] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... close resumed>) = 0 [pid 4923] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] rmdir("./907/config"ci2-android-6-1/strace-static-x86_64: Process 4924 attached [pid 4925] set_robust_list(0x55556c898760, 24 [pid 307] <... rmdir resumed>) = 0 [pid 4923] <... mkdirat resumed>) = 0 [pid 307] getdents64(3 [pid 4923] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4923] <... symlinkat resumed>) = 0 [pid 4924] set_robust_list(0x55556c898760, 24 [pid 4925] <... set_robust_list resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] close(3 [pid 4923] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./907" [pid 310] umount2("./953", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4924] <... set_robust_list resumed>) = 0 [pid 4923] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 4923] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./953", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./908", 0777 [pid 310] <... openat resumed>) = 3 [pid 4925] rt_sigprocmask(SIG_SETMASK, [] [pid 4924] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 310] fstat(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4924] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4924] chdir("./878" [pid 310] umount2("./953/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4926 attached [pid 4923] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4926 [pid 310] newfstatat(AT_FDCWD, "./953/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4923] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4926] set_robust_list(0x55556c898760, 24 [pid 4923] <... exit_group resumed>) = ? [pid 310] unlink("./953/binderfs" [pid 4926] <... set_robust_list resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 4925] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4925] chdir("./931" [pid 310] <... umount2 resumed>) = 0 [pid 4924] <... chdir resumed>) = 0 [pid 4925] <... chdir resumed>) = 0 [pid 310] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4924] <... prctl resumed>) = 0 [pid 4925] <... prctl resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./953/config" [pid 4923] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4923, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4926] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./953/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4926] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4926] chdir("./908" [pid 4924] setpgid(0, 0 [pid 4925] setpgid(0, 0 [pid 310] <... openat resumed>) = 4 [pid 4926] <... chdir resumed>) = 0 [pid 4924] <... setpgid resumed>) = 0 [pid 4925] <... setpgid resumed>) = 0 [pid 4926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] fstat(4 [pid 4926] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4926] setpgid(0, 0) = 0 [pid 4924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(4 [pid 4926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4924] <... openat resumed>) = 3 [pid 4925] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4926] <... openat resumed>) = 3 [pid 4924] write(3, "1000", 4 [pid 4925] write(3, "1000", 4 [pid 310] getdents64(4 [pid 4926] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4926] <... write resumed>) = 4 [pid 4926] close(3 [pid 310] close(4 [pid 4926] <... close resumed>) = 0 [pid 4924] <... write resumed>) = 4 [pid 4925] <... write resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 4924] close(3 [pid 4925] close(3 [pid 310] rmdir("./953/config" [pid 4926] symlink("/dev/binderfs", "./binderfs" [pid 4924] <... close resumed>) = 0 [pid 4925] <... close resumed>) = 0 [pid 4924] symlink("/dev/binderfs", "./binderfs" [pid 4925] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 4926] <... symlink resumed>) = 0 [pid 4924] <... symlink resumed>) = 0 [pid 4925] <... symlink resumed>) = 0 [pid 310] getdents64(3 [pid 4926] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4926] <... write resumed>) = 18 executing program [pid 310] close(3 [pid 4926] mkdirat(AT_FDCWD, "./config", 0777 [pid 4924] write(1, "executing program\n", 18 [pid 4925] write(1, "executing program\n", 18 [pid 310] <... close resumed>) = 0 executing program executing program [pid 4926] <... mkdirat resumed>) = 0 [pid 4924] <... write resumed>) = 18 [pid 4925] <... write resumed>) = 18 [pid 310] rmdir("./953" [pid 4926] mount(NULL, "./config", "configfs", 0, NULL [pid 4924] mkdirat(AT_FDCWD, "./config", 0777 [pid 4925] mkdirat(AT_FDCWD, "./config", 0777 [pid 4926] <... mount resumed>) = 0 [pid 4924] <... mkdirat resumed>) = 0 [pid 4925] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] mkdir("./954", 0777 [pid 4926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4924] mount(NULL, "./config", "configfs", 0, NULL [pid 4925] mount(NULL, "./config", "configfs", 0, NULL [pid 4926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4924] <... mount resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4926] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4925] <... mount resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4926] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4924] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4926] <... mkdirat resumed>) = 0 [pid 4925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4926] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4925] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... restart_syscall resumed>) = 0 [pid 4924] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-6-1/strace-static-x86_64: Process 4927 attached [pid 4926] <... symlinkat resumed>) = 0 [pid 4924] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4925] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4927 [pid 4927] set_robust_list(0x55556c898760, 24 [pid 4926] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4924] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4925] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4927] <... set_robust_list resumed>) = 0 [pid 4926] <... unlinkat resumed>) = 0 [pid 4924] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4925] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./940", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4927] rt_sigprocmask(SIG_SETMASK, [] [pid 4926] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4924] <... symlinkat resumed>) = 0 [pid 4925] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4927] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4926] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4924] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4925] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4927] chdir("./954" [pid 4926] exit_group(0 [pid 4924] <... unlinkat resumed>) = 0 [pid 4925] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4927] <... chdir resumed>) = 0 [pid 4926] <... exit_group resumed>) = ? [pid 4924] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4925] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] openat(AT_FDCWD, "./940", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4924] <... unlinkat resumed>) = 0 [pid 4925] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4927] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4926] +++ exited with 0 +++ [pid 4924] exit_group(0 [pid 4925] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... openat resumed>) = 3 [pid 4927] <... prctl resumed>) = 0 [pid 4924] <... exit_group resumed>) = ? [pid 4925] exit_group(0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4926, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4927] setpgid(0, 0 [pid 4924] +++ exited with 0 +++ [pid 4925] <... exit_group resumed>) = ? [pid 308] fstat(3 [pid 4927] <... setpgid resumed>) = 0 [pid 4925] +++ exited with 0 +++ [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4924, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4927] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4925, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./940/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4927] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./940/binderfs" [pid 4927] write(3, "1000", 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4927] <... write resumed>) = 4 [pid 308] unlink("./940/binderfs" [pid 4927] close(3 [pid 308] <... unlink resumed>) = 0 [pid 4927] <... close resumed>) = 0 [pid 308] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4927] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 4927] <... symlink resumed>) = 0 [pid 308] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4927] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4927] <... write resumed>) = 18 executing program [pid 308] newfstatat(AT_FDCWD, "./940/config" [pid 4927] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./940/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4927] <... mkdirat resumed>) = 0 [pid 4927] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4927] <... mount resumed>) = 0 [pid 308] getdents64(4 [pid 4927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4927] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 4927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4927] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] close(4 [pid 4927] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./940/config" [pid 4927] <... mkdirat resumed>) = 0 [pid 4927] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rmdir resumed>) = 0 [pid 4927] <... symlinkat resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4927] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] close(3 [pid 4927] <... unlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4927] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rmdir("./940" [pid 4927] <... unlinkat resumed>) = 0 [pid 4927] exit_group(0 [pid 308] <... rmdir resumed>) = 0 [pid 4927] <... exit_group resumed>) = ? [pid 308] mkdir("./941", 0777) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./878", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./878", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ci2-android-6-1/strace-static-x86_64: Process 4928 attached [pid 4927] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 306] fstat(3 [pid 4928] set_robust_list(0x55556c898760, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4927, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4928 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4928] <... set_robust_list resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 309] umount2("./931", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4928] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./878/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4928] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./931", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./878/binderfs" [pid 4928] chdir("./941" [pid 310] umount2("./954", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4928] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] unlink("./878/binderfs" [pid 4928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] openat(AT_FDCWD, "./954", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 4928] <... prctl resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4928] setpgid(0, 0 [pid 310] fstat(3 [pid 309] umount2("./931/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 4928] <... setpgid resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./931/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./878/config" [pid 4928] <... openat resumed>) = 3 [pid 310] umount2("./954/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./931/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4928] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 306] umount2("./878/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4928] <... write resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./954/binderfs" [pid 309] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4928] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] umount2("./908", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./878/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4928] <... close resumed>) = 0 [pid 310] unlink("./954/binderfs" [pid 309] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 4928] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./908", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(4 [pid 310] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4928] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./931/config" [pid 307] fstat(3 [pid 306] getdents64(4 [pid 4928] write(1, "executing program\n", 18 [pid 310] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 4928] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] getdents64(4 [pid 310] newfstatat(AT_FDCWD, "./954/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./931/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4928] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] close(4 [pid 310] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 307] umount2("./908/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./878/config" [pid 4928] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./954/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./908/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 4928] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 310] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] unlink("./908/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4928] <... mount resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 307] <... unlink resumed>) = 0 [pid 306] close(3 [pid 4928] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 4928] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] close(4 [pid 307] <... umount2 resumed>) = 0 [pid 306] rmdir("./878" [pid 4928] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 4928] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./931/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./879", 0777 [pid 4928] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./908/config" [pid 306] <... mkdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4928] <... mkdirat resumed>) = 0 [pid 310] rmdir("./954/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4928] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4928] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 4929 attached [pid 4928] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./908/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4929 [pid 4929] set_robust_list(0x55556c898760, 24 [pid 4928] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./931" [pid 307] <... openat resumed>) = 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4929] <... set_robust_list resumed>) = 0 [pid 4928] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 307] fstat(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4929] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 309] mkdir("./932", 0777 [pid 4929] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4928] <... unlinkat resumed>) = 0 [pid 310] rmdir("./954" [pid 309] <... mkdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4929] chdir("./879" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4929] <... chdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4929] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] mkdir("./955", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(4 [pid 4929] <... prctl resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4929] setpgid(0, 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4930 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4929] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 4929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4929] <... openat resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4929] write(3, "1000", 4) = 4 [pid 4929] close(3) = 0 [pid 4929] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] close(4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4931 [pid 4929] write(1, "executing program\n", 18 [pid 307] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./908/config" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4929] <... write resumed>) = 18 executing program [pid 4929] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4929] mount(NULL, "./config", "configfs", 0, NULL [pid 307] getdents64(3 [pid 4929] <... mount resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] close(3 [pid 4929] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... close resumed>) = 0 [pid 4929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rmdir("./908" [pid 4929] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4929] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4929] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] mkdir("./909", 0777 [pid 4928] exit_group(0 [pid 4929] <... symlinkat resumed>) = 0 [pid 4929] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4929] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4928] <... exit_group resumed>) = ? [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4929] <... unlinkat resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4929] exit_group(0) = ? [pid 4929] +++ exited with 0 +++ [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4932 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4929, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4930 attached [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4930] set_robust_list(0x55556c898760, 24) = 0 [pid 4930] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4930] chdir("./932" [pid 4928] +++ exited with 0 +++ [pid 4930] <... chdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4928, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4930] <... prctl resumed>) = 0 [pid 4930] setpgid(0, 0) = 0 [pid 4930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 4931 attached ) = 3 [pid 4930] write(3, "1000", 4 [pid 4931] set_robust_list(0x55556c898760, 24 [pid 4930] <... write resumed>) = 4 [pid 4930] close(3) = 0 [pid 4931] <... set_robust_list resumed>) = 0 [pid 4930] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4930] write(1, "executing program\n", 18 [pid 4931] rt_sigprocmask(SIG_SETMASK, [] [pid 4930] <... write resumed>) = 18 executing program [pid 4930] mkdirat(AT_FDCWD, "./config", 0777 [pid 4931] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4930] <... mkdirat resumed>) = 0 [pid 4930] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4931] chdir("./955" [pid 4930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4930] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4931] <... chdir resumed>) = 0 [pid 4930] <... mkdirat resumed>) = 0 [pid 4930] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4930] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4930] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4930] exit_group(0 [pid 4931] <... prctl resumed>) = 0 [pid 4930] <... exit_group resumed>) = ? [pid 4931] setpgid(0, 0 [pid 4930] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 4932 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4930, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4932] set_robust_list(0x55556c898760, 24 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4932] <... set_robust_list resumed>) = 0 [pid 4932] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4932] chdir("./909") = 0 [pid 4932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4932] setpgid(0, 0) = 0 [pid 4932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4931] <... setpgid resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4932] write(3, "1000", 4 [pid 4931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4932] <... write resumed>) = 4 [pid 4932] close(3 [pid 4931] <... openat resumed>) = 3 [pid 4932] <... close resumed>) = 0 [pid 4931] write(3, "1000", 4 [pid 308] umount2("./941", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 4932] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./941", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 4932] <... symlink resumed>) = 0 [pid 4931] <... write resumed>) = 4 [pid 308] fstat(3 [pid 4932] write(1, "executing program\n", 18 [pid 4931] close(3 [pid 306] umount2("./879", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4931] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4932] <... write resumed>) = 18 [pid 4931] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(3 executing program [pid 306] openat(AT_FDCWD, "./879", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 3 [pid 308] umount2("./941/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4932] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] fstat(3 [pid 4931] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./941/binderfs" [pid 306] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./941/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... restart_syscall resumed>) = 0 [pid 4931] write(1, "executing program\n", 18 [pid 308] <... unlink resumed>) = 0 [pid 306] umount2("./879/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4931] <... write resumed>) = 18 [pid 309] umount2("./932", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./879/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4931] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] openat(AT_FDCWD, "./932", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./879/binderfs" [pid 4932] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] fstat(3 [pid 308] newfstatat(AT_FDCWD, "./941/config" [pid 306] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 4932] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./932/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./941/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./932/binderfs" [pid 308] <... openat resumed>) = 4 [pid 306] newfstatat(AT_FDCWD, "./879/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(4 [pid 309] unlink("./932/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4932] <... mount resumed>) = 0 [pid 4932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4931] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] getdents64(4 [pid 306] umount2("./879/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4932] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4931] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = 0 [pid 308] getdents64(4 [pid 306] openat(AT_FDCWD, "./879/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 308] close(4 [pid 4932] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./932/config" [pid 306] fstat(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 4932] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./941/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4931] <... mount resumed>) = 0 [pid 309] openat(AT_FDCWD, "./932/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 4932] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4932] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] fstat(4 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 309] getdents64(4 [pid 308] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4931] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] close(4 [pid 309] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./941" [pid 306] <... close resumed>) = 0 [pid 309] close(4 [pid 4931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4931] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4931] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rmdir resumed>) = 0 [pid 306] rmdir("./879/config" [pid 309] <... close resumed>) = 0 [pid 308] mkdir("./942", 0777 [pid 4931] <... symlinkat resumed>) = 0 [pid 309] rmdir("./932/config" [pid 306] <... rmdir resumed>) = 0 [pid 4931] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4931] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 4931] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(3 [pid 306] <... close resumed>) = 0 [pid 4931] <... exit_group resumed>) = ? [pid 4931] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 306] rmdir("./879" [pid 309] rmdir("./932" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4933 ci2-android-6-1/strace-static-x86_64: Process 4933 attached [pid 4933] set_robust_list(0x55556c898760, 24) = 0 [pid 4933] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4931, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rmdir resumed>) = 0 [pid 4933] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4933] chdir("./942" [pid 309] <... rmdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] mkdir("./933", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] mkdir("./880", 0777 [pid 4933] <... chdir resumed>) = 0 [pid 4933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... mkdir resumed>) = 0 [pid 4933] <... prctl resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4932] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4932] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4933] setpgid(0, 0) = 0 [pid 4933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4933] write(3, "1000", 4) = 4 [pid 4933] close(3) = 0 [pid 4933] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4932] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4934 ci2-android-6-1/strace-static-x86_64: Process 4934 attached [pid 4932] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4935 [pid 4932] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4934] set_robust_list(0x55556c898760, 24 [pid 4932] exit_group(0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4934] <... set_robust_list resumed>) = 0 [pid 4932] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4933] write(1, "executing program\n", 18) = 18 [pid 4933] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4932] +++ exited with 0 +++ [pid 4933] mount(NULL, "./config", "configfs", 0, NULL [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4932, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4934] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4934] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4933] <... mount resumed>) = 0 [pid 4933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4933] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4933] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4934] chdir("./933" [pid 4933] <... symlinkat resumed>) = 0 [pid 4933] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4933] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4934] <... chdir resumed>) = 0 [pid 4933] <... unlinkat resumed>) = 0 [pid 4934] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4933] exit_group(0) = ? [pid 4934] <... prctl resumed>) = 0 [pid 4933] +++ exited with 0 +++ [pid 4934] setpgid(0, 0ci2-android-6-1/strace-static-x86_64: Process 4935 attached ) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4933, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4935] set_robust_list(0x55556c898760, 24 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4934] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4935] <... set_robust_list resumed>) = 0 [pid 4935] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4935] chdir("./880") = 0 [pid 4935] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4935] setpgid(0, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4935] <... setpgid resumed>) = 0 [pid 4935] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4934] <... openat resumed>) = 3 [pid 310] umount2("./955", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4935] write(3, "1000", 4 [pid 4934] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4935] <... write resumed>) = 4 [pid 310] openat(AT_FDCWD, "./955", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4934] <... write resumed>) = 4 [pid 4935] close(3) = 0 [pid 4935] symlink("/dev/binderfs", "./binderfs" [pid 310] <... openat resumed>) = 3 [pid 4934] close(3 [pid 310] fstat(3 [pid 4935] <... symlink resumed>) = 0 [pid 4934] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4935] write(1, "executing program\n", 18) = 18 executing program [pid 4935] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(3 [pid 4934] symlink("/dev/binderfs", "./binderfs" [pid 4935] <... mkdirat resumed>) = 0 [pid 4934] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4935] mount(NULL, "./config", "configfs", 0, NULL [pid 4934] write(1, "executing program\n", 18 executing program [pid 310] umount2("./955/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4935] <... mount resumed>) = 0 [pid 4934] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./955/binderfs" [pid 4934] mkdirat(AT_FDCWD, "./config", 0777 [pid 4935] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] unlink("./955/binderfs" [pid 4935] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4935] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4935] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... umount2 resumed>) = 0 [pid 4934] <... mkdirat resumed>) = 0 [pid 307] umount2("./909", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4934] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./909", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./955/config" [pid 307] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(3 [pid 4935] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 310] openat(AT_FDCWD, "./955/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4935] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4934] <... mount resumed>) = 0 [pid 310] fstat(4 [pid 4934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./909/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4934] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./909/binderfs" [pid 4934] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4935] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4934] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] unlink("./909/binderfs" [pid 310] close(4) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4935] <... unlinkat resumed>) = 0 [pid 310] rmdir("./955/config" [pid 307] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4934] <... mkdirat resumed>) = 0 [pid 4934] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rmdir resumed>) = 0 [pid 4935] exit_group(0 [pid 4934] <... symlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = 0 [pid 4934] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4934] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4934] exit_group(0 [pid 307] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4935] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 307] newfstatat(AT_FDCWD, "./909/config" [pid 310] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./955" [pid 307] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4934] <... exit_group resumed>) = ? [pid 4934] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] mkdir("./956", 0777 [pid 307] openat(AT_FDCWD, "./909/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4934, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4935] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] fstat(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4935, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./942", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] umount2("./933", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./933", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./942", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 4936 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4936 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 306] umount2("./880", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4936] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4936] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 309] umount2("./933/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./880", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./933/binderfs" [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 4936] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 4936] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./933/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rmdir("./909/config" [pid 306] fstat(3 [pid 4936] chdir("./956" [pid 309] <... unlink resumed>) = 0 [pid 309] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./942/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./933/config" [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 4936] <... chdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 4936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./942/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4936] <... prctl resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./880/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./933/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4936] setpgid(0, 0 [pid 309] <... openat resumed>) = 4 [pid 308] unlink("./942/binderfs" [pid 307] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 308] <... unlink resumed>) = 0 [pid 4936] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./880/binderfs" [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./909" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 308] <... umount2 resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./933/config" [pid 4936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 306] unlink("./880/binderfs" [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./910", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./933" [pid 308] newfstatat(AT_FDCWD, "./942/config" [pid 306] <... unlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 4936] <... openat resumed>) = 3 [pid 309] mkdir("./934", 0777 [pid 308] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4936] write(3, "1000", 4 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4936] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] openat(AT_FDCWD, "./942/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... openat resumed>) = 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4937 attached [pid 4936] close(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4937 [pid 308] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4936] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./880/config" [pid 4937] set_robust_list(0x55556c898760, 24ci2-android-6-1/strace-static-x86_64: Process 4938 attached [pid 308] getdents64(4 [pid 4936] symlink("/dev/binderfs", "./binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4938 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4938] set_robust_list(0x55556c898760, 24 [pid 4937] <... set_robust_list resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./880/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 4938] <... set_robust_list resumed>) = 0 [pid 4937] rt_sigprocmask(SIG_SETMASK, [] [pid 4936] <... symlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4936] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] close(4 [pid 306] openat(AT_FDCWD, "./880/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4936] <... write resumed>) = 18 [pid 308] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 4938] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 4936] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rmdir("./942/config" [pid 306] fstat(4 [pid 4937] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4938] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4937] chdir("./934" [pid 4938] chdir("./910" [pid 308] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4937] <... chdir resumed>) = 0 [pid 4936] <... mkdirat resumed>) = 0 [pid 308] getdents64(3 [pid 306] getdents64(4 [pid 4938] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4936] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] close(3 [pid 4937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 4938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4937] <... prctl resumed>) = 0 [pid 4936] <... mount resumed>) = 0 [pid 308] rmdir("./942" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4938] <... prctl resumed>) = 0 [pid 4937] setpgid(0, 0 [pid 4938] setpgid(0, 0 [pid 4937] <... setpgid resumed>) = 0 [pid 4938] <... setpgid resumed>) = 0 [pid 4937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 308] mkdir("./943", 0777 [pid 4938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4936] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... close resumed>) = 0 [pid 4938] <... openat resumed>) = 3 [pid 4937] <... openat resumed>) = 3 [pid 4937] write(3, "1000", 4 [pid 308] <... mkdir resumed>) = 0 [pid 306] rmdir("./880/config" [pid 4936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4938] write(3, "1000", 4 [pid 4937] <... write resumed>) = 4 [pid 4938] <... write resumed>) = 4 [pid 4937] close(3 [pid 4938] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 4936] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4936] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(3 [pid 4937] <... close resumed>) = 0 [pid 4938] <... close resumed>) = 0 [pid 4938] symlink("/dev/binderfs", "./binderfs" [pid 4937] symlink("/dev/binderfs", "./binderfs" [pid 4936] <... mkdirat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4938] <... symlink resumed>) = 0 [pid 4937] <... symlink resumed>) = 0 [pid 4938] write(1, "executing program\n", 18 [pid 4937] write(1, "executing program\n", 18 [pid 4936] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rmdir("./880" [pid 4938] <... write resumed>) = 18 [pid 4937] <... write resumed>) = 18 [pid 4938] mkdirat(AT_FDCWD, "./config", 0777 executing program executing program [pid 4937] mkdirat(AT_FDCWD, "./config", 0777 [pid 4938] <... mkdirat resumed>) = 0 [pid 4937] <... mkdirat resumed>) = 0 [pid 4936] <... symlinkat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4939 [pid 306] <... rmdir resumed>) = 0 [pid 4938] mount(NULL, "./config", "configfs", 0, NULL [pid 4937] mount(NULL, "./config", "configfs", 0, NULL [pid 4938] <... mount resumed>) = 0 [pid 4937] <... mount resumed>) = 0 [pid 4936] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] mkdir("./881", 0777 [pid 4936] <... unlinkat resumed>) = 0 [pid 4938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4937] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... mkdir resumed>) = 0 [pid 4936] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4938] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4937] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4936] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4938] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4937] <... mkdirat resumed>) = 0 [pid 4936] exit_group(0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4937] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4937] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4937] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4937] exit_group(0 [pid 4936] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4940 [pid 4937] <... exit_group resumed>) = ? [pid 4937] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4936] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4937, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4936, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4939 attached [pid 4939] set_robust_list(0x55556c898760, 24) = 0 [pid 4939] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4939] chdir("./943" [pid 4938] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4939] <... chdir resumed>) = 0 [pid 4939] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4939] setpgid(0, 0) = 0 [pid 4939] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4939] write(3, "1000", 4 [pid 4938] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4939] <... write resumed>) = 4 [pid 4939] close(3) = 0 [pid 4939] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4938] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-6-1/strace-static-x86_64: Process 4940 attached [pid 4940] set_robust_list(0x55556c898760, 24) = 0 [pid 4940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4938] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4940] chdir("./881") = 0 [pid 4940] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4940] setpgid(0, 0) = 0 [pid 4940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4939] write(1, "executing program\n", 18 [pid 4938] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... restart_syscall resumed>) = 0 [pid 4939] <... write resumed>) = 18 [pid 4938] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) executing program [pid 309] umount2("./934", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./934", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4938] exit_group(0 [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 4938] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./934/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 4939] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] newfstatat(AT_FDCWD, "./934/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./934/binderfs") = 0 [pid 309] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 309] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./934/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./934/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./934/config") = 0 [pid 309] getdents64(3 [pid 4938] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 4940] write(3, "1000", 4 [pid 309] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4938, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4940] <... write resumed>) = 4 [pid 309] rmdir("./934" [pid 4940] close(3 [pid 4939] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4940] <... close resumed>) = 0 [pid 4939] mount(NULL, "./config", "configfs", 0, NULL [pid 309] mkdir("./935", 0777 [pid 4940] symlink("/dev/binderfs", "./binderfs" [pid 4939] <... mount resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4940] <... symlink resumed>) = 0 [pid 4939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4940] write(1, "executing program\n", 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4940] <... write resumed>) = 18 [pid 4939] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4941 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4940] mkdirat(AT_FDCWD, "./config", 0777 [pid 4939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-6-1/strace-static-x86_64: Process 4941 attached [pid 4941] set_robust_list(0x55556c898760, 24) = 0 [pid 4941] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4941] chdir("./935") = 0 [pid 4941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4941] setpgid(0, 0 [pid 4940] <... mkdirat resumed>) = 0 [pid 4941] <... setpgid resumed>) = 0 [pid 4940] mount(NULL, "./config", "configfs", 0, NULL [pid 4939] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4941] write(3, "1000", 4 [pid 4939] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4941] <... write resumed>) = 4 [pid 4941] close(3 [pid 4940] <... mount resumed>) = 0 [pid 4941] <... close resumed>) = 0 [pid 4941] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4939] <... mkdirat resumed>) = 0 [pid 4941] write(1, "executing program\n", 18) = 18 executing program [pid 4941] mkdirat(AT_FDCWD, "./config", 0777 [pid 4939] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4940] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... restart_syscall resumed>) = 0 [pid 4941] <... mkdirat resumed>) = 0 [pid 4940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4939] <... symlinkat resumed>) = 0 [pid 4941] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4939] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4940] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./956", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4939] <... unlinkat resumed>) = 0 [pid 4940] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4939] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./956", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4940] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4941] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4941] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4941] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 ENOENT (No such file or directory) [pid 4941] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4939] <... unlinkat resumed>) = 0 [pid 4941] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4940] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 3 [pid 4939] exit_group(0 [pid 310] fstat(3 [pid 4941] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 4940] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4939] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4941] exit_group(0 [pid 4940] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(3 [pid 4941] <... exit_group resumed>) = ? [pid 4941] +++ exited with 0 +++ [pid 4940] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4939] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4940] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./956/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4941, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4939, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4940] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] newfstatat(AT_FDCWD, "./956/binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4940] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4940] <... exit_group resumed>) = ? [pid 4940] +++ exited with 0 +++ [pid 310] unlink("./956/binderfs") = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4940, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./956/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./956/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4) = 0 [pid 310] rmdir("./956/config") = 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 310] rmdir("./956") = 0 [pid 310] mkdir("./957", 0777 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c898750) = 4942 [pid 307] umount2("./910", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4942 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./910", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4942] set_robust_list(0x55556c898760, 24 [pid 307] umount2("./910/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./910/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./910/binderfs" [pid 4942] <... set_robust_list resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 307] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./910/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./910/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./910/config") = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./910" [pid 4942] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./935", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./911", 0777 [pid 4942] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./935", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... mkdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] fstat(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4942] chdir("./957" [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4943 [pid 4942] <... chdir resumed>) = 0 [pid 309] umount2("./935/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./935/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./935/binderfs"ci2-android-6-1/strace-static-x86_64: Process 4943 attached [pid 4942] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... unlink resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 4942] <... prctl resumed>) = 0 [pid 309] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./935/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./935/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 308] umount2("./943", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./935/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4943] set_robust_list(0x55556c898760, 24 [pid 4942] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] openat(AT_FDCWD, "./943", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./935" [pid 4943] <... set_robust_list resumed>) = 0 [pid 4942] <... setpgid resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] mkdir("./936", 0777 [pid 4942] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 4943] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./881", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./881", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4943] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4942] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4944 [pid 306] fstat(3 [pid 4942] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4942] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 4942] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4942] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./881/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./881/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./881/binderfs" [pid 4942] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./943/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4943] chdir("./911" [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./881/config" [pid 4942] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./881/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./881/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4942] write(1, "executing program\n", 18 [pid 308] newfstatat(AT_FDCWD, "./943/binderfs" [pid 306] <... openat resumed>) = 4 [pid 4943] <... chdir resumed>) = 0 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 executing program [pid 306] rmdir("./881/config" [pid 4942] <... write resumed>) = 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4943] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./881") = 0 [pid 308] unlink("./943/binderfs" [pid 4942] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] mkdir("./882", 0777) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4944 attached [pid 4943] <... prctl resumed>) = 0 [pid 4942] <... mkdirat resumed>) = 0 [pid 308] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4945 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4945 attached [pid 4943] setpgid(0, 0 [pid 4942] mount(NULL, "./config", "configfs", 0, NULL [pid 4945] set_robust_list(0x55556c898760, 24 [pid 4943] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 4945] <... set_robust_list resumed>) = 0 [pid 4945] rt_sigprocmask(SIG_SETMASK, [] [pid 4942] <... mount resumed>) = 0 [pid 4943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4945] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4945] chdir("./882" [pid 4942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4945] <... chdir resumed>) = 0 [pid 4945] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4943] <... openat resumed>) = 3 [pid 4945] setpgid(0, 0 [pid 4942] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4943] write(3, "1000", 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4945] <... setpgid resumed>) = 0 [pid 4945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] newfstatat(AT_FDCWD, "./943/config" [pid 4944] set_robust_list(0x55556c898760, 24 [pid 4943] <... write resumed>) = 4 [pid 4945] <... openat resumed>) = 3 [pid 4945] write(3, "1000", 4) = 4 [pid 4945] close(3) = 0 [pid 4945] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4945] write(1, "executing program\n", 18 [pid 4942] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4943] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4942] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4945] <... write resumed>) = 18 executing program [pid 4945] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4945] mount(NULL, "./config", "configfs", 0, NULL [pid 4942] <... mkdirat resumed>) = 0 [pid 4945] <... mount resumed>) = 0 [pid 4944] <... set_robust_list resumed>) = 0 [pid 4943] <... close resumed>) = 0 [pid 4942] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4944] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./943/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4943] symlink("/dev/binderfs", "./binderfs" [pid 4945] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4942] <... symlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 4945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4945] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 308] fstat(4 [pid 4945] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 4945] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4943] <... symlink resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4942] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4945] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4944] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4943] write(1, "executing program\n", 18 [pid 4942] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] getdents64(4 [pid 4945] exit_group(0) = ? [pid 4945] +++ exited with 0 +++ [pid 4944] chdir("./936" [pid 4943] <... write resumed>) = 18 [pid 4942] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4945, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4944] <... chdir resumed>) = 0 [pid 4944] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4944] setpgid(0, 0) = 0 [pid 4944] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] getdents64(4 [pid 4944] write(3, "1000", 4 [pid 4943] mkdirat(AT_FDCWD, "./config", 0777 [pid 4944] <... write resumed>) = 4 [pid 4942] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4944] close(3) = 0 [pid 4944] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4944] write(1, "executing program\n", 18 [pid 4943] <... mkdirat resumed>) = 0 [pid 308] close(4 [pid 4944] <... write resumed>) = 18 [pid 4942] exit_group(0 executing program [pid 4944] mkdirat(AT_FDCWD, "./config", 0777 [pid 4943] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... close resumed>) = 0 [pid 4944] <... mkdirat resumed>) = 0 [pid 4942] <... exit_group resumed>) = ? [pid 308] rmdir("./943/config" [pid 4944] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4943] <... mount resumed>) = 0 [pid 4944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4944] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4944] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4944] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4942] +++ exited with 0 +++ [pid 308] getdents64(3 [pid 4944] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4942, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4944] <... unlinkat resumed>) = 0 [pid 4943] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4944] exit_group(0 [pid 4943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4944] <... exit_group resumed>) = ? [pid 308] close(3 [pid 4944] +++ exited with 0 +++ [pid 4943] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... close resumed>) = 0 [pid 4943] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4944, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rmdir("./943" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4943] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4943] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] mkdir("./944", 0777 [pid 4943] <... symlinkat resumed>) = 0 [pid 310] umount2("./957", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4943] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 4943] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./957", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4943] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 4943] <... unlinkat resumed>) = 0 [pid 310] fstat(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4943] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4943] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 306] umount2("./882", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./957/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./882", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 4946 attached [pid 4943] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./957/binderfs" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4946 [pid 306] fstat(3 [pid 4946] set_robust_list(0x55556c898760, 24 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4943, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4946] <... set_robust_list resumed>) = 0 [pid 310] unlink("./957/binderfs" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 4946] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4946] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./882/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4946] chdir("./944" [pid 310] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4946] <... chdir resumed>) = 0 [pid 310] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./911", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./882/binderfs" [pid 4946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4946] <... prctl resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./957/config" [pid 307] openat(AT_FDCWD, "./911", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] unlink("./882/binderfs" [pid 4946] setpgid(0, 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... unlink resumed>) = 0 [pid 4946] <... setpgid resumed>) = 0 [pid 310] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 306] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./957/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 306] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4946] <... openat resumed>) = 3 [pid 4946] write(3, "1000", 4) = 4 [pid 4946] close(3) = 0 [pid 4946] symlink("/dev/binderfs", "./binderfs" [pid 310] <... openat resumed>) = 4 [pid 4946] <... symlink resumed>) = 0 [pid 310] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./936", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 307] umount2("./911/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./882/config" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./936", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./911/binderfs" [pid 310] close(4 [pid 309] <... openat resumed>) = 3 [pid 306] umount2("./882/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] fstat(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./957/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] unlink("./911/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4946] write(1, "executing program\n", 18) = 18 [pid 310] <... rmdir resumed>) = 0 [pid 4946] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./882/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 309] getdents64(3 [pid 307] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 4946] <... mkdirat resumed>) = 0 [pid 310] close(3 [pid 309] umount2("./936/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 306] fstat(4 [pid 4946] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4946] <... mount resumed>) = 0 [pid 310] rmdir("./957" [pid 309] newfstatat(AT_FDCWD, "./936/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 4946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./911/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4946] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./958", 0777 [pid 309] unlink("./936/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(4 [pid 4946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4946] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 4946] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] openat(AT_FDCWD, "./911/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 4946] <... mkdirat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 306] rmdir("./882/config"ci2-android-6-1/strace-static-x86_64: Process 4947 attached [pid 4946] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 306] <... rmdir resumed>) = 0 [pid 4947] set_robust_list(0x55556c898760, 24 [pid 4946] <... symlinkat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4947 [pid 309] newfstatat(AT_FDCWD, "./936/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 4947] <... set_robust_list resumed>) = 0 [pid 4946] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4947] rt_sigprocmask(SIG_SETMASK, [] [pid 4946] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] close(3 [pid 4947] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4946] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 4946] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./936/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4947] chdir("./958" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./882" [pid 4947] <... chdir resumed>) = 0 [pid 4946] exit_group(0 [pid 309] <... openat resumed>) = 4 [pid 307] close(4 [pid 306] <... rmdir resumed>) = 0 [pid 4947] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4946] <... exit_group resumed>) = ? [pid 309] fstat(4 [pid 307] <... close resumed>) = 0 [pid 306] mkdir("./883", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rmdir("./911/config" [pid 306] <... mkdir resumed>) = 0 [pid 4947] <... prctl resumed>) = 0 [pid 4946] +++ exited with 0 +++ [pid 309] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4947] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(3 [pid 4947] <... setpgid resumed>) = 0 [pid 309] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4946, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4947] <... openat resumed>) = 3 [pid 309] close(4 [pid 307] close(3ci2-android-6-1/strace-static-x86_64: Process 4948 attached [pid 4947] write(3, "1000", 4 [pid 309] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4948 [pid 4948] set_robust_list(0x55556c898760, 24 [pid 4947] <... write resumed>) = 4 [pid 309] rmdir("./936/config" [pid 307] rmdir("./911" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4948] <... set_robust_list resumed>) = 0 [pid 4947] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4948] rt_sigprocmask(SIG_SETMASK, [] [pid 4947] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 307] mkdir("./912", 0777 [pid 4948] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4947] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4947] <... symlink resumed>) = 0 [pid 4948] chdir("./883" [pid 309] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4948] <... chdir resumed>) = 0 [pid 4947] write(1, "executing program\n", 18 executing program [pid 309] rmdir("./936" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4947] <... write resumed>) = 18 [pid 309] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4949 attached [pid 4948] <... prctl resumed>) = 0 [pid 4947] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] mkdir("./937", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4949 [pid 4949] set_robust_list(0x55556c898760, 24 [pid 4948] setpgid(0, 0 [pid 4947] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4949] <... set_robust_list resumed>) = 0 [pid 4948] <... setpgid resumed>) = 0 [pid 4947] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4947] <... mount resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4949] rt_sigprocmask(SIG_SETMASK, [] [pid 4947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4950 attached [pid 4949] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4948] <... openat resumed>) = 3 [pid 4947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4950] set_robust_list(0x55556c898760, 24 [pid 4949] chdir("./912" [pid 4948] write(3, "1000", 4 [pid 4947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4950 [pid 4950] <... set_robust_list resumed>) = 0 [pid 4949] <... chdir resumed>) = 0 [pid 4948] <... write resumed>) = 4 [pid 4947] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4948] close(3 [pid 4947] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4948] <... close resumed>) = 0 [pid 4949] <... prctl resumed>) = 0 [pid 4948] symlink("/dev/binderfs", "./binderfs" [pid 4947] <... mkdirat resumed>) = 0 [pid 4949] setpgid(0, 0 [pid 4950] rt_sigprocmask(SIG_SETMASK, [] [pid 4949] <... setpgid resumed>) = 0 [pid 4948] <... symlink resumed>) = 0 [pid 4947] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4950] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4950] chdir("./937" [pid 4948] write(1, "executing program\n", 18 [pid 4947] <... symlinkat resumed>) = 0 executing program [pid 4950] <... chdir resumed>) = 0 [pid 4949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4948] <... write resumed>) = 18 [pid 4947] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4948] mkdirat(AT_FDCWD, "./config", 0777 [pid 4947] <... unlinkat resumed>) = 0 [pid 4950] <... prctl resumed>) = 0 [pid 4950] setpgid(0, 0) = 0 [pid 4948] <... mkdirat resumed>) = 0 [pid 4949] <... openat resumed>) = 3 [pid 4947] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... restart_syscall resumed>) = 0 [pid 4949] write(3, "1000", 4 [pid 4948] mount(NULL, "./config", "configfs", 0, NULL [pid 4950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4949] <... write resumed>) = 4 [pid 4948] <... mount resumed>) = 0 [pid 4947] <... unlinkat resumed>) = 0 [pid 4950] <... openat resumed>) = 3 [pid 4949] close(3 [pid 4948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4947] exit_group(0 [pid 4948] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4947] <... exit_group resumed>) = ? [pid 308] umount2("./944", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4949] <... close resumed>) = 0 [pid 4950] write(3, "1000", 4) = 4 [pid 4950] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4950] <... close resumed>) = 0 [pid 4947] +++ exited with 0 +++ [pid 308] openat(AT_FDCWD, "./944", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4950] symlink("/dev/binderfs", "./binderfs" [pid 4949] symlink("/dev/binderfs", "./binderfs" [pid 4948] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4947, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4950] <... symlink resumed>) = 0 [pid 4949] <... symlink resumed>) = 0 [pid 4948] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... openat resumed>) = 3 executing program [pid 4950] write(1, "executing program\n", 18) = 18 [pid 4949] write(1, "executing program\n", 18 [pid 4948] <... mkdirat resumed>) = 0 [pid 308] fstat(3 [pid 4948] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4949] <... write resumed>) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4950] mkdirat(AT_FDCWD, "./config", 0777 [pid 4949] mkdirat(AT_FDCWD, "./config", 0777 [pid 4948] <... symlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 4948] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4950] <... mkdirat resumed>) = 0 [pid 4949] <... mkdirat resumed>) = 0 [pid 4948] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4949] mount(NULL, "./config", "configfs", 0, NULL [pid 4948] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./944/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4950] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4949] <... mount resumed>) = 0 [pid 4948] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4948] exit_group(0 [pid 308] newfstatat(AT_FDCWD, "./944/binderfs" [pid 4950] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4948] <... exit_group resumed>) = ? [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] unlink("./944/binderfs" [pid 4950] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4950] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4948] +++ exited with 0 +++ [pid 4949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... unlink resumed>) = 0 [pid 4950] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4948, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4950] <... symlinkat resumed>) = 0 [pid 4949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4950] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4949] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 4950] <... unlinkat resumed>) = 0 [pid 4949] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4949] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4950] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4949] <... symlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./944/config" [pid 4950] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4949] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4950] exit_group(0 [pid 4949] <... unlinkat resumed>) = 0 [pid 308] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4950] <... exit_group resumed>) = ? [pid 4949] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4950] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4949] <... unlinkat resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4950, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./944/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4949] exit_group(0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... openat resumed>) = 4 [pid 4949] <... exit_group resumed>) = ? [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 4949] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./937", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4949, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./937", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] close(4 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./937/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./944/config" [pid 310] umount2("./958", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./937/binderfs" [pid 310] openat(AT_FDCWD, "./958", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] unlink("./937/binderfs" [pid 310] fstat(3 [pid 309] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./958/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./937/config" [pid 310] newfstatat(AT_FDCWD, "./958/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./944" [pid 310] unlink("./958/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./937/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = 0 [pid 309] fstat(4 [pid 308] <... rmdir resumed>) = 0 [pid 310] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] mkdir("./945", 0777 [pid 310] newfstatat(AT_FDCWD, "./958/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 310] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 310] openat(AT_FDCWD, "./958/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] rmdir("./937/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] fstat(4 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] close(3 [pid 310] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./937" [pid 310] close(4 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] mkdir("./938", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4951 ci2-android-6-1/strace-static-x86_64: Process 4951 attached [pid 310] rmdir("./958/config" [pid 309] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4951] set_robust_list(0x55556c898760, 24 [pid 310] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4951] <... set_robust_list resumed>) = 0 [pid 310] close(3) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4952 [pid 310] rmdir("./958" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./883", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4951] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] mkdir("./959", 0777ci2-android-6-1/strace-static-x86_64: Process 4952 attached [pid 4951] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./883", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4952] set_robust_list(0x55556c898760, 24 [pid 4951] chdir("./945" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4953 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4953 attached [pid 4953] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... openat resumed>) = 3 [pid 4951] <... chdir resumed>) = 0 [pid 4953] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4953] chdir("./959") = 0 [pid 4953] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4953] setpgid(0, 0) = 0 [pid 4953] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... restart_syscall resumed>) = 0 [pid 4953] <... openat resumed>) = 3 [pid 4951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4952] <... set_robust_list resumed>) = 0 [pid 306] fstat(3 [pid 4951] <... prctl resumed>) = 0 [pid 307] umount2("./912", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./912", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4951] setpgid(0, 0 [pid 307] umount2("./912/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./912/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./912/binderfs" [pid 4951] <... setpgid resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4952] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = 0 [pid 4951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./883/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./912/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./912/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./912/config") = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./912" [pid 4952] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4951] <... openat resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./913", 0777 [pid 306] newfstatat(AT_FDCWD, "./883/binderfs" [pid 4953] write(3, "1000", 4 [pid 4952] chdir("./938" [pid 4951] write(3, "1000", 4 [pid 307] <... mkdir resumed>) = 0 [pid 4952] <... chdir resumed>) = 0 [pid 4951] <... write resumed>) = 4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4951] close(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] unlink("./883/binderfs" [pid 4952] <... prctl resumed>) = 0 [pid 4951] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4953] <... write resumed>) = 4 [pid 4952] setpgid(0, 0 [pid 4951] symlink("/dev/binderfs", "./binderfs" [pid 306] <... unlink resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4954 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4954 attached [pid 4952] <... setpgid resumed>) = 0 [pid 4954] set_robust_list(0x55556c898760, 24) = 0 [pid 4954] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4951] <... symlink resumed>) = 0 [pid 306] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4954] chdir("./913" [pid 4952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4951] write(1, "executing program\n", 18 [pid 4954] <... chdir resumed>) = 0 [pid 4954] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4954] setpgid(0, 0) = 0 [pid 4954] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4954] write(3, "1000", 4) = 4 [pid 4954] close(3) = 0 [pid 4954] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4954] write(1, "executing program\n", 18) = 18 executing program executing program [pid 4954] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4953] close(3 [pid 4952] <... openat resumed>) = 3 [pid 4951] <... write resumed>) = 18 [pid 306] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4954] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4951] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] newfstatat(AT_FDCWD, "./883/config" [pid 4952] write(3, "1000", 4 [pid 4954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4954] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4954] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4954] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4954] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4952] <... write resumed>) = 4 [pid 4951] <... mkdirat resumed>) = 0 [pid 306] umount2("./883/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4952] close(3 [pid 4951] mount(NULL, "./config", "configfs", 0, NULL [pid 4954] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4954] <... exit_group resumed>) = ? [pid 4952] <... close resumed>) = 0 [pid 4954] +++ exited with 0 +++ [pid 4953] <... close resumed>) = 0 [pid 4952] symlink("/dev/binderfs", "./binderfs" [pid 4951] <... mount resumed>) = 0 [pid 306] openat(AT_FDCWD, "./883/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4954, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4953] symlink("/dev/binderfs", "./binderfs" [pid 4952] <... symlink resumed>) = 0 [pid 4951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... openat resumed>) = 4 [pid 4952] write(1, "executing program\n", 18 executing program [pid 4951] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] fstat(4 [pid 4953] <... symlink resumed>) = 0 [pid 4952] <... write resumed>) = 18 [pid 4951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4953] write(1, "executing program\n", 18 [pid 4952] mkdirat(AT_FDCWD, "./config", 0777 [pid 4951] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(4 [pid 4953] <... write resumed>) = 18 executing program [pid 4951] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4952] <... mkdirat resumed>) = 0 [pid 4951] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4953] mkdirat(AT_FDCWD, "./config", 0777 [pid 4952] mount(NULL, "./config", "configfs", 0, NULL [pid 4951] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(4 [pid 4952] <... mount resumed>) = 0 [pid 4951] <... symlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4953] <... mkdirat resumed>) = 0 [pid 4952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4951] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4953] mount(NULL, "./config", "configfs", 0, NULL [pid 4952] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] close(4 [pid 4952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4951] <... unlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4953] <... mount resumed>) = 0 [pid 4952] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4951] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] rmdir("./883/config" [pid 4953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 4953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4952] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4951] <... unlinkat resumed>) = 0 [pid 4953] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(3 [pid 4953] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4952] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4953] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4953] <... symlinkat resumed>) = 0 [pid 4952] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4951] exit_group(0 [pid 4953] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./913", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 4953] <... unlinkat resumed>) = 0 [pid 4952] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4951] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4953] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4952] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] openat(AT_FDCWD, "./913", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 4953] <... unlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 4953] exit_group(0 [pid 307] fstat(3 [pid 4953] <... exit_group resumed>) = ? [pid 4951] +++ exited with 0 +++ [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4953] +++ exited with 0 +++ [pid 4952] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] getdents64(3 [pid 306] rmdir("./883" [pid 4952] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4953, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4951, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./913/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./913/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4952] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] unlink("./913/binderfs" [pid 306] mkdir("./884", 0777 [pid 4952] exit_group(0 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 307] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./913/config" [pid 4952] <... exit_group resumed>) = ? [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 307] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./913/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4952] +++ exited with 0 +++ [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4952, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./913/config" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./913" [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./914", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4955 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./945", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4956 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] openat(AT_FDCWD, "./945", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 4956 attached [pid 310] umount2("./959", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./938", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./959", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 308] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./938", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... openat resumed>) = 3 [pid 310] umount2("./959/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./945/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./959/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./945/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./959/binderfs" [pid 4956] set_robust_list(0x55556c898760, 24 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] unlink("./945/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./938/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./959/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./959/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 309] newfstatat(AT_FDCWD, "./938/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 309] unlink("./938/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] rmdir("./959/config" [pid 308] newfstatat(AT_FDCWD, "./945/config" [pid 4956] <... set_robust_list resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./959" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./945/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./960", 0777 [pid 309] newfstatat(AT_FDCWD, "./938/config"ci2-android-6-1/strace-static-x86_64: Process 4955 attached [pid 4956] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 4955] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(4 [pid 4955] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4956] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4955] rt_sigprocmask(SIG_SETMASK, [] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4956] chdir("./914" [pid 4955] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4955] chdir("./884" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4957 [pid 4955] <... chdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4955] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(4 [pid 4955] <... prctl resumed>) = 0 [pid 309] openat(AT_FDCWD, "./938/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4955] setpgid(0, 0) = 0 [pid 4955] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4955] write(3, "1000", 4) = 4 [pid 4955] close(3) = 0 [pid 4955] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4955] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 4 [pid 4955] <... write resumed>) = 18 executing program [pid 4955] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4957 attached [pid 4956] <... chdir resumed>) = 0 [pid 4955] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] close(4 [pid 4955] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./945/config" [pid 309] close(4 [pid 4955] <... mount resumed>) = 0 [pid 4955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 309] rmdir("./938/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4955] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 4956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] getdents64(3 [pid 4955] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4955] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./945" [pid 309] close(3 [pid 4955] <... unlinkat resumed>) = 0 [pid 4955] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] rmdir("./938" [pid 308] mkdir("./946", 0777 [pid 4955] exit_group(0) = ? [pid 4955] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] mkdir("./939", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4957] set_robust_list(0x55556c898760, 24) = 0 [pid 4957] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 4956] <... prctl resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4955, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4956] setpgid(0, 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4957] chdir("./960") = 0 [pid 4957] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4957] setpgid(0, 0) = 0 [pid 4957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4956] <... setpgid resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 4957] <... openat resumed>) = 3 [pid 4957] write(3, "1000", 4) = 4 [pid 4957] close(3) = 0 [pid 4957] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4958 [pid 4957] write(1, "executing program\n", 18) = 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4959 [pid 306] umount2("./884", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4957] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 4957] <... mkdirat resumed>) = 0 [pid 4956] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./884", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4957] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 4959 attached [pid 4957] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4956] write(3, "1000", 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 4957] <... mkdirat resumed>) = 0 [pid 4956] <... write resumed>) = 4 [pid 306] fstat(3 [pid 4959] set_robust_list(0x55556c898760, 24 [pid 4956] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4958 attached [pid 4956] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 4958] set_robust_list(0x55556c898760, 24) = 0 [pid 4956] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4958] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./884/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4958] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4958] chdir("./946" [pid 4956] <... symlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4958] <... chdir resumed>) = 0 [pid 4956] write(1, "executing program\n", 18 [pid 306] newfstatat(AT_FDCWD, "./884/binderfs" [pid 4958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4956] <... write resumed>) = 18 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4958] <... prctl resumed>) = 0 [pid 4958] setpgid(0, 0) = 0 [pid 306] unlink("./884/binderfs" [pid 4958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4956] mkdirat(AT_FDCWD, "./config", 0777 [pid 4958] <... openat resumed>) = 3 [pid 306] <... unlink resumed>) = 0 [pid 4958] write(3, "1000", 4) = 4 [pid 4958] close(3) = 0 [pid 4956] <... mkdirat resumed>) = 0 executing program [pid 306] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4958] symlink("/dev/binderfs", "./binderfs" [pid 4959] <... set_robust_list resumed>) = 0 [pid 4958] <... symlink resumed>) = 0 [pid 4957] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4956] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... umount2 resumed>) = 0 [pid 4958] write(1, "executing program\n", 18 [pid 306] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4958] <... write resumed>) = 18 executing program [pid 4958] mkdirat(AT_FDCWD, "./config", 0777 [pid 4956] <... mount resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4958] <... mkdirat resumed>) = 0 [pid 4957] <... symlinkat resumed>) = 0 [pid 4956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] newfstatat(AT_FDCWD, "./884/config" [pid 4958] mount(NULL, "./config", "configfs", 0, NULL [pid 4956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4958] <... mount resumed>) = 0 [pid 4956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./884/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] openat(AT_FDCWD, "./884/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4956] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... openat resumed>) = 4 [pid 4958] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4956] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] fstat(4 [pid 4958] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4956] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4958] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 4956] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(4 [pid 4958] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4956] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] getdents64(4 [pid 4958] <... unlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4958] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4956] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] close(4 [pid 4958] <... unlinkat resumed>) = 0 [pid 4956] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... close resumed>) = 0 [pid 4957] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rmdir("./884/config" [pid 4956] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4958] exit_group(0) = ? [pid 4959] rt_sigprocmask(SIG_SETMASK, [] [pid 4958] +++ exited with 0 +++ [pid 4957] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4956] exit_group(0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 4956] <... exit_group resumed>) = ? [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4958, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4959] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4959] chdir("./939") = 0 [pid 4959] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4959] setpgid(0, 0) = 0 [pid 4959] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4956] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4956, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] close(3 [pid 4959] write(3, "1000", 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4959] <... write resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 4959] close(3 [pid 306] rmdir("./884" [pid 4959] <... close resumed>) = 0 [pid 4959] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4959] write(1, "executing program\n", 18 [pid 306] <... rmdir resumed>) = 0 [pid 4959] <... write resumed>) = 18 [pid 306] mkdir("./885", 0777 [pid 4959] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4959] mount(NULL, "./config", "configfs", 0, NULL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4959] <... mount resumed>) = 0 executing program [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4959] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4959] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4959] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4959] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4960 [pid 4959] <... unlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4959] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4957] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... restart_syscall resumed>) = 0 [pid 4959] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4959] exit_group(0 [pid 4957] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4959] <... exit_group resumed>) = ? [pid 307] umount2("./914", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4959] +++ exited with 0 +++ [pid 4957] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./914", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4959, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... openat resumed>) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./914/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./914/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./914/binderfs") = 0 [pid 307] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4957] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./914/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./914/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] fstat(4 [pid 308] umount2("./946", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 309] umount2("./939", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./946", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 309] openat(AT_FDCWD, "./939", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] close(4 [pid 309] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 307] <... close resumed>) = 0 [pid 309] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rmdir("./914/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./946/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3ci2-android-6-1/strace-static-x86_64: Process 4960 attached [pid 309] umount2("./939/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./946/binderfs" [pid 307] rmdir("./914" [pid 309] newfstatat(AT_FDCWD, "./939/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./946/binderfs" [pid 307] mkdir("./915", 0777 [pid 4957] +++ exited with 0 +++ [pid 309] unlink("./939/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4957, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4961 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4960] set_robust_list(0x55556c898760, 24 [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4960] <... set_robust_list resumed>) = 0 [pid 309] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./946/config" [pid 309] newfstatat(AT_FDCWD, "./939/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4960] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./960", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./960", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./946/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./939/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 308] <... openat resumed>) = 4 [pid 4960] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 310] getdents64(3 [pid 309] fstat(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4960] chdir("./885" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 310] umount2("./960/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4960] <... chdir resumed>) = 0 [pid 4960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4960] <... prctl resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./960/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 309] getdents64(4 [pid 310] unlink("./960/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4960] setpgid(0, 0) = 0 [pid 4960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 309] close(4 [pid 308] close(4 [pid 310] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4960] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 309] rmdir("./939/config" [pid 308] rmdir("./946/config"ci2-android-6-1/strace-static-x86_64: Process 4961 attached [pid 4960] write(3, "1000", 4 [pid 310] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4960] <... write resumed>) = 4 [pid 4960] close(3) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 4960] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./960/config" [pid 4960] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 4960] <... write resumed>) = 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 310] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 4960] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] openat(AT_FDCWD, "./960/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./939" [pid 308] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 4 executing program [pid 4961] set_robust_list(0x55556c898760, 24 [pid 310] fstat(4 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./946" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./940", 0777 [pid 4961] <... set_robust_list resumed>) = 0 [pid 4961] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 4961] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4961] chdir("./915") = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... mkdir resumed>) = 0 [pid 308] mkdir("./947", 0777 [pid 310] getdents64(4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4961] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4961] setpgid(0, 0) = 0 [pid 4961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4960] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4960] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rmdir("./960/config" [pid 4961] <... openat resumed>) = 3 [pid 4961] write(3, "1000", 4) = 4 [pid 4961] close(3) = 0 [pid 4961] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 4962 attached ) = 0 [pid 4960] <... mount resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4962 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4961] write(1, "executing program\n", 18 [pid 4960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4962] set_robust_list(0x55556c898760, 24) = 0 [pid 4962] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4962] chdir("./940" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4961] <... write resumed>) = 18 [pid 4960] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4963 [pid 4962] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rmdir("./960" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4961] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 4960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4962] <... prctl resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4960] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./961", 0777 [pid 4960] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4962] setpgid(0, 0) = 0 [pid 4962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 4962] <... openat resumed>) = 3 [pid 4960] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4961] <... mkdirat resumed>) = 0 [pid 4960] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4961] mount(NULL, "./config", "configfs", 0, NULL [pid 4962] write(3, "1000", 4 [pid 4961] <... mount resumed>) = 0 [pid 4960] <... symlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4960] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4962] <... write resumed>) = 4 [pid 4962] close(3) = 0 [pid 4962] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4962] write(1, "executing program\n", 18) = 18 [pid 4960] <... unlinkat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4964 [pid 4961] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4960] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4962] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4962] <... mkdirat resumed>) = 0 [pid 4961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4960] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4962] mount(NULL, "./config", "configfs", 0, NULL [pid 4960] exit_group(0 [pid 4961] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 4964 attached ci2-android-6-1/strace-static-x86_64: Process 4963 attached [pid 4962] <... mount resumed>) = 0 [pid 4961] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4960] <... exit_group resumed>) = ? [pid 4964] set_robust_list(0x55556c898760, 24 [pid 4963] set_robust_list(0x55556c898760, 24 [pid 4962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4963] <... set_robust_list resumed>) = 0 [pid 4962] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4963] rt_sigprocmask(SIG_SETMASK, [] [pid 4962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4960] +++ exited with 0 +++ [pid 4963] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4962] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4960, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4963] chdir("./947" [pid 4962] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4964] <... set_robust_list resumed>) = 0 [pid 4961] <... mkdirat resumed>) = 0 [pid 306] umount2("./885", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4963] <... chdir resumed>) = 0 [pid 4962] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4961] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4964] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./885", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4962] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... openat resumed>) = 3 [pid 4964] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4961] <... symlinkat resumed>) = 0 [pid 306] fstat(3 [pid 4964] chdir("./961" [pid 4963] <... prctl resumed>) = 0 [pid 4962] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4961] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4964] <... chdir resumed>) = 0 [pid 306] getdents64(3 [pid 4963] setpgid(0, 0 [pid 4962] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4964] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4963] <... setpgid resumed>) = 0 [pid 4962] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4961] <... unlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4964] <... prctl resumed>) = 0 [pid 4961] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4964] setpgid(0, 0 [pid 306] umount2("./885/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4962] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4961] <... unlinkat resumed>) = 0 [pid 4964] <... setpgid resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./885/binderfs" [pid 4964] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4963] <... openat resumed>) = 3 [pid 4962] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4961] exit_group(0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4964] <... openat resumed>) = 3 [pid 4963] write(3, "1000", 4 [pid 4962] exit_group(0 [pid 4961] <... exit_group resumed>) = ? [pid 306] unlink("./885/binderfs" [pid 4964] write(3, "1000", 4 [pid 4963] <... write resumed>) = 4 [pid 4962] <... exit_group resumed>) = ? [pid 4964] <... write resumed>) = 4 [pid 4963] close(3 [pid 4962] +++ exited with 0 +++ [pid 4961] +++ exited with 0 +++ [pid 306] <... unlink resumed>) = 0 [pid 4964] close(3 [pid 4963] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4962, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4961, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4964] <... close resumed>) = 0 [pid 4963] symlink("/dev/binderfs", "./binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4964] symlink("/dev/binderfs", "./binderfs" [pid 4963] <... symlink resumed>) = 0 [pid 4963] write(1, "executing program\n", 18 [pid 306] <... umount2 resumed>) = 0 [pid 4964] <... symlink resumed>) = 0 [pid 306] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4964] write(1, "executing program\n", 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program executing program [pid 4964] <... write resumed>) = 18 [pid 4963] <... write resumed>) = 18 [pid 306] newfstatat(AT_FDCWD, "./885/config" [pid 4963] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4964] mkdirat(AT_FDCWD, "./config", 0777 [pid 4963] <... mkdirat resumed>) = 0 [pid 306] umount2("./885/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4963] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4964] <... mkdirat resumed>) = 0 [pid 4963] <... mount resumed>) = 0 [pid 306] openat(AT_FDCWD, "./885/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4964] mount(NULL, "./config", "configfs", 0, NULL [pid 4963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... openat resumed>) = 4 [pid 4964] <... mount resumed>) = 0 [pid 4963] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] fstat(4 [pid 4964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4963] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4964] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(4 [pid 4963] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4963] <... mkdirat resumed>) = 0 [pid 4964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4963] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4963] <... symlinkat resumed>) = 0 [pid 4964] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] close(4 [pid 4964] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4963] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... close resumed>) = 0 [pid 4963] <... unlinkat resumed>) = 0 [pid 4964] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rmdir("./885/config" [pid 4963] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4964] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4963] <... unlinkat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4964] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4963] exit_group(0 [pid 306] getdents64(3 [pid 4964] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4964] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] close(3 [pid 4964] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... close resumed>) = 0 [pid 4964] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4963] <... exit_group resumed>) = ? [pid 306] rmdir("./885" [pid 4964] exit_group(0 [pid 4963] +++ exited with 0 +++ [pid 4964] <... exit_group resumed>) = ? [pid 4964] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4963, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rmdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4964, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] mkdir("./886", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./915", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./940", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./947", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./961", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./940", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./947", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4965 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./915", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./961", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 308] fstat(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4965 attached [pid 310] fstat(3 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 307] fstat(3 [pid 4965] set_robust_list(0x55556c898760, 24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4965] <... set_robust_list resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 4965] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./940/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./947/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4965] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./961/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./915/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4965] chdir("./886" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./940/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4965] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./961/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./915/binderfs" [pid 4965] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./940/binderfs" [pid 308] newfstatat(AT_FDCWD, "./947/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4965] <... prctl resumed>) = 0 [pid 310] unlink("./961/binderfs" [pid 307] unlink("./915/binderfs" [pid 4965] setpgid(0, 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4965] <... setpgid resumed>) = 0 [pid 310] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./947/binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 4965] <... openat resumed>) = 3 [pid 310] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4965] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4965] <... write resumed>) = 4 [pid 310] newfstatat(AT_FDCWD, "./961/config" [pid 309] <... umount2 resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./915/config" [pid 4965] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4965] <... close resumed>) = 0 [pid 310] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4965] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./940/config" [pid 308] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4965] <... symlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./961/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./915/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4965] write(1, "executing program\n", 18 [pid 310] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./947/config" [pid 307] <... openat resumed>) = 4 [pid 4965] <... write resumed>) = 18 executing program [pid 310] fstat(4 [pid 307] fstat(4 [pid 4965] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4965] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 4965] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./940/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4965] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./947/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 4965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 308] <... openat resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4965] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(4 [pid 307] close(4 [pid 4965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 4965] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./961/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rmdir("./915/config" [pid 4965] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 4965] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 4965] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4965] <... symlinkat resumed>) = 0 [pid 310] close(3 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 307] close(3 [pid 4965] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 309] rmdir("./940/config" [pid 307] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4965] <... unlinkat resumed>) = 0 [pid 310] rmdir("./961" [pid 307] rmdir("./915" [pid 4965] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] close(4 [pid 307] <... rmdir resumed>) = 0 [pid 4965] <... unlinkat resumed>) = 0 [pid 310] mkdir("./962", 0777 [pid 309] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 307] mkdir("./916", 0777 [pid 4965] exit_group(0 [pid 307] <... mkdir resumed>) = 0 [pid 4965] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4965] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./947/config" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4965, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./940" [pid 308] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4966 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] umount2("./886", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./886", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4967 [pid 308] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./941", 0777 [pid 308] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./886/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./886/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] rmdir("./947" [pid 306] unlink("./886/binderfs") = 0 [pid 306] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] mkdir("./948", 0777 [pid 306] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./886/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./886/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./886/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./886/config") = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./886"ci2-android-6-1/strace-static-x86_64: Process 4966 attached [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4968 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./887", 0777 [pid 4966] set_robust_list(0x55556c898760, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55556c898750) = 4969 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4970 ci2-android-6-1/strace-static-x86_64: Process 4968 attached [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 4968] set_robust_list(0x55556c898760, 24 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4970 attached [pid 4968] <... set_robust_list resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4967 attached [pid 4968] rt_sigprocmask(SIG_SETMASK, [] [pid 4966] <... set_robust_list resumed>) = 0 [pid 4970] set_robust_list(0x55556c898760, 24) = 0 [pid 4970] rt_sigprocmask(SIG_SETMASK, [] [pid 4968] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4968] chdir("./941" [pid 4966] rt_sigprocmask(SIG_SETMASK, [] [pid 4970] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4968] <... chdir resumed>) = 0 [pid 4970] chdir("./948" [pid 4968] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4968] setpgid(0, 0 [pid 4970] <... chdir resumed>) = 0 [pid 4968] <... setpgid resumed>) = 0 [pid 4968] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4970] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4970] setpgid(0, 0) = 0 [pid 4970] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4966] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4968] <... openat resumed>) = 3 [pid 4966] chdir("./916" [pid 4970] <... openat resumed>) = 3 [pid 4966] <... chdir resumed>) = 0 [pid 4968] write(3, "1000", 4 [pid 4966] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4970] write(3, "1000", 4 [pid 4968] <... write resumed>) = 4 [pid 4970] <... write resumed>) = 4 [pid 4968] close(3 [pid 4970] close(3 [pid 4968] <... close resumed>) = 0 [pid 4970] <... close resumed>) = 0 [pid 4970] symlink("/dev/binderfs", "./binderfs" [pid 4966] <... prctl resumed>) = 0 [pid 4968] symlink("/dev/binderfs", "./binderfs" [pid 4970] <... symlink resumed>) = 0 [pid 4967] set_robust_list(0x55556c898760, 24 [pid 4966] setpgid(0, 0 [pid 4968] <... symlink resumed>) = 0 [pid 4967] <... set_robust_list resumed>) = 0 [pid 4966] <... setpgid resumed>) = 0 [pid 4968] write(1, "executing program\n", 18) = 18 [pid 4968] mkdirat(AT_FDCWD, "./config", 0777 [pid 4970] write(1, "executing program\n", 18) = 18 executing program executing program [pid 4970] mkdirat(AT_FDCWD, "./config", 0777 [pid 4968] <... mkdirat resumed>) = 0 [pid 4966] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4970] <... mkdirat resumed>) = 0 [pid 4967] rt_sigprocmask(SIG_SETMASK, [] [pid 4966] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 4969 attached [pid 4968] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4967] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4966] write(3, "1000", 4 [pid 4969] set_robust_list(0x55556c898760, 24) = 0 [pid 4970] mount(NULL, "./config", "configfs", 0, NULL [pid 4969] rt_sigprocmask(SIG_SETMASK, [] [pid 4966] <... write resumed>) = 4 [pid 4970] <... mount resumed>) = 0 [pid 4967] chdir("./962" [pid 4968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4969] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4969] chdir("./887" [pid 4970] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4968] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4970] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4968] <... mkdirat resumed>) = 0 [pid 4966] close(3 [pid 4967] <... chdir resumed>) = 0 [pid 4970] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4969] <... chdir resumed>) = 0 [pid 4970] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4970] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4969] <... prctl resumed>) = 0 [pid 4969] setpgid(0, 0) = 0 [pid 4969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4970] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4966] <... close resumed>) = 0 [pid 4967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4968] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4966] symlink("/dev/binderfs", "./binderfs" [pid 4970] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4969] <... openat resumed>) = 3 [pid 4968] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 4966] <... symlink resumed>) = 0 executing program [pid 4970] <... unlinkat resumed>) = 0 [pid 4969] write(3, "1000", 4 [pid 4968] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4966] write(1, "executing program\n", 18 [pid 4970] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4969] <... write resumed>) = 4 [pid 4968] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4970] <... unlinkat resumed>) = 0 [pid 4969] close(3 [pid 4968] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4967] <... prctl resumed>) = 0 [pid 4966] <... write resumed>) = 18 [pid 4970] exit_group(0 [pid 4969] <... close resumed>) = 0 [pid 4968] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4970] <... exit_group resumed>) = ? [pid 4969] symlink("/dev/binderfs", "./binderfs" [pid 4968] exit_group(0 [pid 4970] +++ exited with 0 +++ [pid 4969] <... symlink resumed>) = 0 [pid 4968] <... exit_group resumed>) = ? [pid 4967] setpgid(0, 0 [pid 4966] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4970, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4969] write(1, "executing program\n", 18 [pid 4968] +++ exited with 0 +++ [pid 4967] <... setpgid resumed>) = 0 [pid 4966] <... mkdirat resumed>) = 0 [pid 4969] <... write resumed>) = 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4968, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4966] mount(NULL, "./config", "configfs", 0, NULL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4969] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4967] <... openat resumed>) = 3 [pid 4966] <... mount resumed>) = 0 [pid 4969] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4967] write(3, "1000", 4 [pid 4966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4967] <... write resumed>) = 4 [pid 4966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 4969] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4967] close(3 [pid 4966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4969] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4967] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 4969] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4967] symlink("/dev/binderfs", "./binderfs" [pid 4966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4969] <... mkdirat resumed>) = 0 [pid 309] umount2("./941", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4969] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./948", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4966] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./941", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4967] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./948", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 4967] write(1, "executing program\n", 18 [pid 4966] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... openat resumed>) = 3 executing program [pid 4969] <... symlinkat resumed>) = 0 [pid 4967] <... write resumed>) = 18 [pid 4966] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(3 [pid 308] fstat(3 [pid 4969] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4969] <... unlinkat resumed>) = 0 [pid 309] umount2("./941/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4969] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./941/binderfs" [pid 4967] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./948/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./941/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./948/binderfs" [pid 309] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4969] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4966] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] unlink("./948/binderfs" [pid 4967] <... mkdirat resumed>) = 0 [pid 4966] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4969] exit_group(0 [pid 4967] mount(NULL, "./config", "configfs", 0, NULL [pid 4966] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 4966] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./941/config" [pid 308] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4969] <... exit_group resumed>) = ? [pid 4969] +++ exited with 0 +++ [pid 4967] <... mount resumed>) = 0 [pid 4966] <... unlinkat resumed>) = 0 [pid 309] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4969, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "./941/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... openat resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./948/config" [pid 4967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4966] exit_group(0 [pid 309] fstat(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4967] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4966] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./948/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 4 [pid 4967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(4 [pid 308] fstat(4 [pid 4967] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4967] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rmdir("./941/config" [pid 308] getdents64(4 [pid 4966] +++ exited with 0 +++ [pid 4967] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(3 [pid 308] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4966, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 308] close(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 4967] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rmdir("./941" [pid 308] <... close resumed>) = 0 [pid 4967] <... symlinkat resumed>) = 0 [pid 4967] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4967] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./948/config" [pid 309] mkdir("./942", 0777 [pid 4967] exit_group(0) = ? [pid 308] <... rmdir resumed>) = 0 [pid 4967] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4967, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] close(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... close resumed>) = 0 [pid 307] umount2("./916", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./948"ci2-android-6-1/strace-static-x86_64: Process 4971 attached ) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4971 [pid 308] mkdir("./949", 0777 [pid 4971] set_robust_list(0x55556c898760, 24 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./916", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4971] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4971] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4972 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./962", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4971] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./962", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 310] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 4972 attached [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4971] chdir("./942" [pid 310] fstat(3 [pid 307] umount2("./916/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4971] <... chdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 4971] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] newfstatat(AT_FDCWD, "./916/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4971] <... prctl resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./962/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4971] setpgid(0, 0 [pid 307] unlink("./916/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4972] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4971] <... setpgid resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./962/binderfs" [pid 307] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4972] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] unlink("./962/binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 4972] chdir("./949" [pid 310] <... unlink resumed>) = 0 [pid 307] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./887", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4971] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./916/config" [pid 310] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./887", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./962/config" [pid 306] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 4971] <... openat resumed>) = 3 [pid 310] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4971] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./916/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4971] <... write resumed>) = 4 [pid 310] openat(AT_FDCWD, "./962/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 4971] close(3 [pid 307] <... openat resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] fstat(4 [pid 4971] <... close resumed>) = 0 [pid 310] fstat(4 [pid 306] umount2("./887/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4971] symlink("/dev/binderfs", "./binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 4972] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] newfstatat(AT_FDCWD, "./887/binderfs" [pid 310] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] unlink("./887/binderfs" [pid 4971] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] close(4 [pid 4971] write(1, "executing program\n", 18 [pid 310] rmdir("./962/config" [pid 307] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4972] setpgid(0, 0) = 0 executing program [pid 4972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4971] <... write resumed>) = 18 [pid 310] <... rmdir resumed>) = 0 [pid 307] rmdir("./916/config" [pid 306] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 4972] write(3, "1000", 4) = 4 [pid 4972] close(3) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 4972] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4971] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(3 [pid 307] close(3 [pid 306] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] rmdir("./962" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./916" [pid 4972] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./887/config" [pid 4972] write(1, "executing program\n", 18) = 18 [pid 4972] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] mkdir("./963", 0777 [pid 307] mkdir("./917", 0777 [pid 306] umount2("./887/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4972] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4972] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] openat(AT_FDCWD, "./887/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 4 [pid 4972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4972] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4972] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] fstat(4 [pid 4972] <... symlinkat resumed>) = 0 [pid 4972] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4972] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4971] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4973 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4972] exit_group(0 [pid 4971] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4974 [pid 306] getdents64(4 [pid 4972] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4974 attached [pid 4972] +++ exited with 0 +++ [pid 4971] <... mount resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4971] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4972, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4971] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] close(4ci2-android-6-1/strace-static-x86_64: Process 4973 attached [pid 4971] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... close resumed>) = 0 [pid 4973] set_robust_list(0x55556c898760, 24 [pid 306] rmdir("./887/config" [pid 4971] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4973] <... set_robust_list resumed>) = 0 [pid 4973] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4973] chdir("./963" [pid 4971] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 4973] <... chdir resumed>) = 0 [pid 306] getdents64(3 [pid 4973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4973] <... prctl resumed>) = 0 [pid 4973] setpgid(0, 0 [pid 306] close(3 [pid 4973] <... setpgid resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 4971] <... mkdirat resumed>) = 0 [pid 306] rmdir("./887" [pid 4973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 4971] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] mkdir("./888", 0777 [pid 4973] write(3, "1000", 4) = 4 [pid 4973] close(3) = 0 [pid 4973] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4971] <... symlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4973] write(1, "executing program\n", 18 [pid 4971] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4973] <... write resumed>) = 18 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4973] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 4975 attached [pid 4974] set_robust_list(0x55556c898760, 24 [pid 4971] <... unlinkat resumed>) = 0 executing program [pid 4974] <... set_robust_list resumed>) = 0 [pid 4971] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4975 [pid 4975] set_robust_list(0x55556c898760, 24 [pid 308] umount2("./949", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4971] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4971] exit_group(0 [pid 308] openat(AT_FDCWD, "./949", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4974] rt_sigprocmask(SIG_SETMASK, [] [pid 4971] <... exit_group resumed>) = ? [pid 308] <... openat resumed>) = 3 [pid 4974] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./949/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./949/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4971] +++ exited with 0 +++ [pid 308] unlink("./949/binderfs" [pid 4974] chdir("./917" [pid 308] <... unlink resumed>) = 0 [pid 4974] <... chdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4971, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = 0 [pid 4974] <... prctl resumed>) = 0 [pid 308] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4974] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./949/config" [pid 4974] <... setpgid resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./949/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 4974] <... openat resumed>) = 3 [pid 308] fstat(4 [pid 4974] write(3, "1000", 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4975] <... set_robust_list resumed>) = 0 [pid 4974] <... write resumed>) = 4 [pid 4973] <... mkdirat resumed>) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4974] close(3 [pid 4973] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(4 [pid 4975] rt_sigprocmask(SIG_SETMASK, [] [pid 4974] <... close resumed>) = 0 [pid 4973] <... mount resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4975] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4974] symlink("/dev/binderfs", "./binderfs" [pid 4973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] close(4 [pid 4973] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... close resumed>) = 0 [pid 4974] <... symlink resumed>) = 0 [pid 4973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] rmdir("./949/config" [pid 4975] chdir("./888" [pid 4974] write(1, "executing program\n", 18 [pid 4973] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 4975] <... chdir resumed>) = 0 [pid 4974] <... write resumed>) = 18 [pid 4973] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 308] getdents64(3 [pid 4975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4974] mkdirat(AT_FDCWD, "./config", 0777 [pid 4973] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4973] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] close(3 [pid 4973] <... symlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 4975] <... prctl resumed>) = 0 [pid 4974] <... mkdirat resumed>) = 0 [pid 4973] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rmdir("./949" [pid 4975] setpgid(0, 0 [pid 4974] mount(NULL, "./config", "configfs", 0, NULL [pid 4973] <... unlinkat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4973] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] mkdir("./950", 0777 [pid 4975] <... setpgid resumed>) = 0 [pid 4974] <... mount resumed>) = 0 [pid 4973] <... unlinkat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 4975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4974] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4973] exit_group(0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4974] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4973] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4975] <... openat resumed>) = 3 [pid 4974] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4973] +++ exited with 0 +++ [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4975] write(3, "1000", 4 [pid 4974] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4974] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4976 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4973, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4976 attached [pid 4974] <... mkdirat resumed>) = 0 [pid 4975] <... write resumed>) = 4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4976] set_robust_list(0x55556c898760, 24 [pid 4975] close(3 [pid 4974] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4976] <... set_robust_list resumed>) = 0 [pid 4976] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4976] chdir("./950" [pid 4975] <... close resumed>) = 0 [pid 4974] <... symlinkat resumed>) = 0 [pid 4976] <... chdir resumed>) = 0 [pid 4976] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4974] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4975] symlink("/dev/binderfs", "./binderfs" [pid 4976] <... prctl resumed>) = 0 [pid 4974] <... unlinkat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 4976] setpgid(0, 0) = 0 [pid 4976] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4975] <... symlink resumed>) = 0 [pid 4974] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4975] write(1, "executing program\n", 18 [pid 4976] <... openat resumed>) = 3 [pid 4974] <... unlinkat resumed>) = 0 [pid 4975] <... write resumed>) = 18 [pid 310] umount2("./963", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4974] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4974] <... exit_group resumed>) = ? [pid 4976] write(3, "1000", 4 [pid 4975] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] openat(AT_FDCWD, "./963", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4976] <... write resumed>) = 4 [pid 4976] close(3) = 0 [pid 4976] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4974] +++ exited with 0 +++ [pid 4976] write(1, "executing program\n", 18 [pid 310] <... openat resumed>) = 3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4974, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4976] <... write resumed>) = 18 executing program executing program [pid 4976] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 4975] <... mkdirat resumed>) = 0 [pid 310] fstat(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4975] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4976] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3 [pid 4976] <... mount resumed>) = 0 [pid 4975] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./963/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4975] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./963/binderfs" [pid 4976] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4976] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] unlink("./963/binderfs" [pid 4975] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4976] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4975] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... unlink resumed>) = 0 [pid 4976] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4975] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4976] <... unlinkat resumed>) = 0 [pid 4975] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = 0 [pid 4976] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4976] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 4975] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4976] exit_group(0 [pid 4975] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./963/config" [pid 4976] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 4976] +++ exited with 0 +++ [pid 4975] <... unlinkat resumed>) = 0 [pid 310] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4976, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4975] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] openat(AT_FDCWD, "./963/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... openat resumed>) = 4 [pid 4975] <... unlinkat resumed>) = 0 [pid 309] umount2("./942", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4975] exit_group(0 [pid 310] getdents64(4 [pid 4975] <... exit_group resumed>) = ? [pid 309] openat(AT_FDCWD, "./942", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 3 [pid 4975] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4975, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] close(4 [pid 309] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./963/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./942/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./942/binderfs" [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] unlink("./942/binderfs" [pid 310] close(3 [pid 309] <... unlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./963" [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./942/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./964", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./942/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./942/config") = 0 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./942" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4977 [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./943", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4978 attached [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4978 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] umount2("./950", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4977 attached ) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./950", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4977] set_robust_list(0x55556c898760, 24) = 0 [pid 4977] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 4977] chdir("./964" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./950/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4977] <... chdir resumed>) = 0 [pid 4977] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4977] setpgid(0, 0 [pid 308] newfstatat(AT_FDCWD, "./950/binderfs" [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./950/binderfs" [pid 4977] <... setpgid resumed>) = 0 [pid 4977] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... unlink resumed>) = 0 [pid 307] umount2("./917", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 307] openat(AT_FDCWD, "./917", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 308] newfstatat(AT_FDCWD, "./950/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(3 [pid 308] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4978] set_robust_list(0x55556c898760, 24 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./917/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./950/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 4 [pid 307] newfstatat(AT_FDCWD, "./917/binderfs" [pid 308] fstat(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] unlink("./917/binderfs" [pid 4978] <... set_robust_list resumed>) = 0 [pid 308] getdents64(4 [pid 4977] <... openat resumed>) = 3 [pid 307] <... unlink resumed>) = 0 [pid 4978] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 4977] write(3, "1000", 4) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 308] close(4 [pid 307] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./950/config" [pid 307] newfstatat(AT_FDCWD, "./917/config" [pid 4977] close(3) = 0 [pid 4978] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4977] symlink("/dev/binderfs", "./binderfs" [pid 4978] chdir("./943" [pid 308] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 307] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 307] openat(AT_FDCWD, "./917/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 4977] <... symlink resumed>) = 0 [pid 308] rmdir("./950" [pid 307] <... openat resumed>) = 4 [pid 4978] <... chdir resumed>) = 0 [pid 4978] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4978] setpgid(0, 0) = 0 [pid 4978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 307] fstat(4 [pid 308] mkdir("./951", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4977] write(1, "executing program\n", 18 [pid 4978] <... openat resumed>) = 3 [pid 4977] <... write resumed>) = 18 executing program [pid 4977] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4978] write(3, "1000", 4) = 4 [pid 4978] close(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4978] <... close resumed>) = 0 [pid 4978] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4978] write(1, "executing program\n", 18 [pid 4977] mount(NULL, "./config", "configfs", 0, NULL [pid 4978] <... write resumed>) = 18 [pid 4977] <... mount resumed>) = 0 executing program [pid 307] close(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 4978] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4979 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./917/config" [pid 4978] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./888", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4977] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(3 [pid 306] openat(AT_FDCWD, "./888", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 4977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rmdir("./917" [pid 306] <... openat resumed>) = 3 [pid 4977] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4977] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 4977] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] mkdir("./918", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4977] <... symlinkat resumed>) = 0 [pid 4978] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4977] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4978] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4978] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4977] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./888/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4978] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4977] <... unlinkat resumed>) = 0 [pid 4978] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4977] exit_group(0 [pid 4978] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4977] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 4980 attached ci2-android-6-1/strace-static-x86_64: Process 4979 attached [pid 4978] <... mkdirat resumed>) = 0 [pid 4977] +++ exited with 0 +++ [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4980 [pid 306] newfstatat(AT_FDCWD, "./888/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4977, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 4978] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] unlink("./888/binderfs" [pid 4978] <... symlinkat resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 4978] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... restart_syscall resumed>) = 0 [pid 4980] set_robust_list(0x55556c898760, 24 [pid 4979] set_robust_list(0x55556c898760, 24 [pid 4978] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4978] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4980] <... set_robust_list resumed>) = 0 [pid 4979] <... set_robust_list resumed>) = 0 [pid 4978] <... unlinkat resumed>) = 0 [pid 306] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4978] exit_group(0 [pid 310] umount2("./964", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4978] <... exit_group resumed>) = ? [pid 4980] rt_sigprocmask(SIG_SETMASK, [] [pid 4979] rt_sigprocmask(SIG_SETMASK, [] [pid 4978] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./964", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./888/config" [pid 310] <... openat resumed>) = 3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4978, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] fstat(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./888/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4980] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] openat(AT_FDCWD, "./888/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./964/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4980] chdir("./918" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 4980] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./964/binderfs" [pid 306] fstat(4 [pid 4980] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] unlink("./964/binderfs" [pid 306] getdents64(4 [pid 4980] <... prctl resumed>) = 0 [pid 4980] setpgid(0, 0 [pid 4979] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4980] <... setpgid resumed>) = 0 [pid 4979] chdir("./951" [pid 310] <... unlink resumed>) = 0 [pid 4980] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4979] <... chdir resumed>) = 0 [pid 310] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4980] <... openat resumed>) = 3 [pid 4979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = 0 [pid 306] getdents64(4 [pid 310] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(4 [pid 310] newfstatat(AT_FDCWD, "./964/config" [pid 306] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./888/config" [pid 310] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4980] write(3, "1000", 4 [pid 4979] <... prctl resumed>) = 0 [pid 4980] <... write resumed>) = 4 [pid 4979] setpgid(0, 0 [pid 4980] close(3 [pid 4979] <... setpgid resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] openat(AT_FDCWD, "./964/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4980] <... close resumed>) = 0 [pid 4979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 4 [pid 306] close(3 [pid 310] fstat(4 [pid 4980] symlink("/dev/binderfs", "./binderfs" [pid 4979] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 4980] <... symlink resumed>) = 0 [pid 4979] write(3, "1000", 4 [pid 310] getdents64(4 [pid 306] rmdir("./888" [pid 4980] write(1, "executing program\n", 18 [pid 4979] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4980] <... write resumed>) = 18 [pid 4979] close(3 [pid 4980] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 4979] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] mkdir("./889", 0777 [pid 310] close(4 [pid 4980] <... mkdirat resumed>) = 0 [pid 4979] symlink("/dev/binderfs", "./binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./964/config" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4980] mount(NULL, "./config", "configfs", 0, NULL [pid 4979] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(3 [pid 4980] <... mount resumed>) = 0 [pid 4979] write(1, "executing program\n", 18 [pid 4980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4979] <... write resumed>) = 18 [pid 4980] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 4979] mkdirat(AT_FDCWD, "./config", 0777 [pid 4980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4979] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4981 attached [pid 310] close(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4981 [pid 4980] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4979] mount(NULL, "./config", "configfs", 0, NULL [pid 4980] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4979] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 4980] <... mkdirat resumed>) = 0 [pid 4981] set_robust_list(0x55556c898760, 24 [pid 4979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rmdir("./964" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4980] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4979] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4980] <... symlinkat resumed>) = 0 [pid 4979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4980] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4979] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4980] <... unlinkat resumed>) = 0 [pid 4979] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4980] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4979] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4980] <... unlinkat resumed>) = 0 [pid 4979] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4980] exit_group(0 [pid 4979] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4980] <... exit_group resumed>) = ? [pid 4979] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4981] <... set_robust_list resumed>) = 0 [pid 4980] +++ exited with 0 +++ [pid 4979] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4979] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] mkdir("./965", 0777 [pid 4979] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4979] exit_group(0) = ? [pid 4979] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4980, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4979, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4981] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 4981] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4981] chdir("./889") = 0 [pid 4981] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4981] setpgid(0, 0) = 0 [pid 4981] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4981] write(3, "1000", 4) = 4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4982 [pid 4981] close(3 [pid 307] umount2("./918", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4981] <... close resumed>) = 0 [pid 4981] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 4981] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4981] write(1, "executing program\n", 18 [pid 307] openat(AT_FDCWD, "./918", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4981] <... write resumed>) = 18 [pid 309] umount2("./943", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 executing program [pid 309] openat(AT_FDCWD, "./943", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 309] fstat(3 [pid 4981] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 307] umount2("./918/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4981] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./943/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./918/binderfs" [pid 4981] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4981] <... mount resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./943/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./918/binderfs" [pid 309] unlink("./943/binderfs" [pid 4981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... unlink resumed>) = 0 [pid 4981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4981] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 4982 attached [pid 4982] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4982] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./943/config" [pid 307] newfstatat(AT_FDCWD, "./918/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./943/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./918/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4982] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 307] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4982] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 307] getdents64(4 [pid 4982] chdir("./965" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4982] <... chdir resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 309] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... close resumed>) = 0 [pid 307] close(4 [pid 309] rmdir("./943/config" [pid 307] <... close resumed>) = 0 [pid 4982] <... prctl resumed>) = 0 [pid 4982] setpgid(0, 0) = 0 [pid 4982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... rmdir resumed>) = 0 [pid 307] rmdir("./918/config" [pid 4982] <... openat resumed>) = 3 [pid 309] getdents64(3 [pid 4982] write(3, "1000", 4) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 309] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4982] close(3 [pid 309] <... close resumed>) = 0 [pid 307] close(3 [pid 309] rmdir("./943" [pid 307] <... close resumed>) = 0 [pid 4982] <... close resumed>) = 0 [pid 4982] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] rmdir("./918" [pid 309] mkdir("./944", 0777 [pid 4982] write(1, "executing program\n", 18) = 18 [pid 4982] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] mkdir("./919", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4982] mount(NULL, "./config", "configfs", 0, NULL) = 0 executing program [pid 4982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4982] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4982] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 4982] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4982] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4983 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4982] <... unlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 4982] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4982] exit_group(0) = ? [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4982] +++ exited with 0 +++ [pid 4981] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4984 ci2-android-6-1/strace-static-x86_64: Process 4983 attached [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4982, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4983] set_robust_list(0x55556c898760, 24) = 0 [pid 4983] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4983] chdir("./944" [pid 4981] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4983] <... chdir resumed>) = 0 [pid 4983] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4983] setpgid(0, 0) = 0 [pid 4983] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 4984 attached [pid 4984] set_robust_list(0x55556c898760, 24 [pid 4983] <... openat resumed>) = 3 [pid 4981] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4984] <... set_robust_list resumed>) = 0 [pid 4984] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... restart_syscall resumed>) = 0 [pid 4984] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4984] chdir("./919" [pid 4983] write(3, "1000", 4) = 4 [pid 4983] close(3 [pid 308] umount2("./951", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4984] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4983] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./951", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4981] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4983] symlink("/dev/binderfs", "./binderfs" [pid 4984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4983] <... symlink resumed>) = 0 [pid 4981] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... openat resumed>) = 3 [pid 4984] <... prctl resumed>) = 0 [pid 4984] setpgid(0, 0) = 0 [pid 308] fstat(3 [pid 4981] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4983] write(1, "executing program\n", 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 4984] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./951/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./965", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4981] exit_group(0 [pid 308] newfstatat(AT_FDCWD, "./951/binderfs" [pid 310] openat(AT_FDCWD, "./965", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4981] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 3 [pid 308] unlink("./951/binderfs" [pid 310] fstat(3 [pid 4983] <... write resumed>) = 18 [pid 4983] mkdirat(AT_FDCWD, "./config", 0777 [pid 4984] write(3, "1000", 4) = 4 [pid 308] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 4984] close(3 [pid 4983] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = 0 [pid 310] umount2("./965/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4984] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./965/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4981] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./951/config" executing program [pid 310] unlink("./965/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4984] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4981, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4984] write(1, "executing program\n", 18 [pid 4983] mount(NULL, "./config", "configfs", 0, NULL [pid 308] openat(AT_FDCWD, "./951/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = 0 [pid 4984] <... write resumed>) = 18 [pid 4983] <... mount resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 310] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 4984] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 4983] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./965/config" [pid 4984] <... mkdirat resumed>) = 0 [pid 4983] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 310] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4984] mount(NULL, "./config", "configfs", 0, NULL [pid 4983] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4984] <... mount resumed>) = 0 [pid 4983] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4983] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4984] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4983] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] openat(AT_FDCWD, "./965/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 4984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4983] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4984] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4983] <... symlinkat resumed>) = 0 [pid 310] fstat(4 [pid 308] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 4984] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4983] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4984] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4983] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 308] rmdir("./951/config" [pid 4984] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4983] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4984] <... symlinkat resumed>) = 0 [pid 4983] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 308] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 308] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 308] close(3 [pid 4984] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4983] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] rmdir("./965/config" [pid 308] rmdir("./951" [pid 4984] <... unlinkat resumed>) = 0 [pid 4983] <... exit_group resumed>) = ? [pid 4984] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4983] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 4984] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 308] mkdir("./952", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4983, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4984] exit_group(0) = ? [pid 4984] +++ exited with 0 +++ [pid 310] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... mkdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rmdir("./965" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4984, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rmdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4985 attached [pid 310] mkdir("./966", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4985 [pid 4985] set_robust_list(0x55556c898760, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4985] <... set_robust_list resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4985] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4985] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4985] chdir("./952" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4985] <... chdir resumed>) = 0 [pid 4985] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4985] setpgid(0, 0) = 0 ci2-android-6-1/strace-static-x86_64: Process 4986 attached [pid 4985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4986] set_robust_list(0x55556c898760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4986 [pid 4986] <... set_robust_list resumed>) = 0 [pid 4985] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4986] rt_sigprocmask(SIG_SETMASK, [] [pid 4985] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4986] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4986] chdir("./966" [pid 4985] <... write resumed>) = 4 [pid 4986] <... chdir resumed>) = 0 [pid 4985] close(3 [pid 4986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4985] <... close resumed>) = 0 [pid 4986] <... prctl resumed>) = 0 [pid 4985] symlink("/dev/binderfs", "./binderfs" [pid 4986] setpgid(0, 0 [pid 4985] <... symlink resumed>) = 0 [pid 4985] write(1, "executing program\n", 18 [pid 4986] <... setpgid resumed>) = 0 executing program [pid 4986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4985] <... write resumed>) = 18 [pid 4985] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4986] <... openat resumed>) = 3 [pid 4986] write(3, "1000", 4 [pid 4985] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 4985] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] umount2("./944", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4986] <... write resumed>) = 4 [pid 307] umount2("./919", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./889", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4986] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4986] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./944", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] openat(AT_FDCWD, "./919", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4985] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4985] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./889", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4986] symlink("/dev/binderfs", "./binderfs" [pid 309] fstat(3 [pid 307] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 306] fstat(3 [pid 307] getdents64(3 [pid 4985] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./944/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./919/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./944/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4985] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./919/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] unlink("./944/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./889/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4985] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] unlink("./919/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4985] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./889/binderfs" [pid 4986] <... symlink resumed>) = 0 [pid 4985] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4986] write(1, "executing program\n", 18 executing program [pid 309] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4986] <... write resumed>) = 18 [pid 4985] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 306] unlink("./889/binderfs" [pid 4986] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] newfstatat(AT_FDCWD, "./944/config" [pid 307] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4985] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... unlink resumed>) = 0 [pid 4986] <... mkdirat resumed>) = 0 [pid 4985] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./919/config" [pid 306] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4986] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4985, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4986] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = 0 [pid 4986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] openat(AT_FDCWD, "./944/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 4986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4986] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./919/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./889/config" [pid 4986] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 306] umount2("./889/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4986] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4986] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4986] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 306] openat(AT_FDCWD, "./889/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4986] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] rmdir("./944/config" [pid 307] getdents64(4 [pid 306] fstat(4 [pid 4986] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4986] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] close(4 [pid 306] getdents64(4 [pid 4986] <... unlinkat resumed>) = 0 [pid 309] close(3 [pid 4986] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4986] <... exit_group resumed>) = ? [pid 309] rmdir("./944" [pid 308] umount2("./952", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4986] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./919/config" [pid 306] getdents64(4 [pid 309] mkdir("./945", 0777 [pid 308] openat(AT_FDCWD, "./952", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4986, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 306] close(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./952/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./952/binderfs" [pid 307] close(3 [pid 306] rmdir("./889/config" [pid 310] umount2("./966", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./952/binderfs") = 0 [pid 308] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 4987 attached [pid 310] openat(AT_FDCWD, "./966", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4987 [pid 308] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 4987] set_robust_list(0x55556c898760, 24 [pid 310] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 307] rmdir("./919" [pid 4987] <... set_robust_list resumed>) = 0 [pid 310] fstat(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./952/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4987] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 4987] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] openat(AT_FDCWD, "./952/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./920", 0777 [pid 4987] chdir("./945" [pid 310] umount2("./966/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4987] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] <... mkdir resumed>) = 0 [pid 306] rmdir("./889" [pid 4987] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] newfstatat(AT_FDCWD, "./966/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(4 [pid 4987] <... prctl resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4987] setpgid(0, 0 [pid 310] unlink("./966/binderfs" [pid 308] close(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] mkdir("./890", 0777 [pid 4987] <... setpgid resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] rmdir("./952/config" [pid 310] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] rmdir("./952" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4988 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4987] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./953", 0777 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4987] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./966/config" [pid 308] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4987] write(3, "1000", 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 4990 attached ci2-android-6-1/strace-static-x86_64: Process 4989 attached [pid 4987] <... write resumed>) = 4 [pid 310] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4990] set_robust_list(0x55556c898760, 24 [pid 4989] set_robust_list(0x55556c898760, 24 [pid 4987] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4990 [pid 4990] <... set_robust_list resumed>) = 0 [pid 4989] <... set_robust_list resumed>) = 0 [pid 4987] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./966/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4989 [pid 4989] rt_sigprocmask(SIG_SETMASK, [] [pid 4987] symlink("/dev/binderfs", "./binderfs" [pid 310] <... openat resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4990] rt_sigprocmask(SIG_SETMASK, [] [pid 4989] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4987] <... symlink resumed>) = 0 [pid 310] fstat(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4990] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4989] chdir("./890" [pid 4987] write(1, "executing program\n", 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4989] <... chdir resumed>) = 0 [pid 4987] <... write resumed>) = 18 [pid 4990] chdir("./953" [pid 4989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(4 [pid 4989] <... prctl resumed>) = 0 executing program [pid 4987] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 ci2-android-6-1/strace-static-x86_64: Process 4988 attached [pid 4987] <... mkdirat resumed>) = 0 [pid 4989] setpgid(0, 0 [pid 310] getdents64(4 [pid 4987] mount(NULL, "./config", "configfs", 0, NULL [pid 4989] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4987] <... mount resumed>) = 0 [pid 310] close(4 [pid 4987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... close resumed>) = 0 [pid 4990] <... chdir resumed>) = 0 [pid 4987] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./966/config" [pid 4987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4988] set_robust_list(0x55556c898760, 24 [pid 310] <... rmdir resumed>) = 0 [pid 4987] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 4987] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4988] <... set_robust_list resumed>) = 0 [pid 4987] <... mkdirat resumed>) = 0 [pid 4990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4989] <... openat resumed>) = 3 [pid 310] close(3 [pid 4990] <... prctl resumed>) = 0 [pid 4989] write(3, "1000", 4 [pid 4987] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4990] setpgid(0, 0 [pid 310] <... close resumed>) = 0 [pid 4990] <... setpgid resumed>) = 0 [pid 4989] <... write resumed>) = 4 [pid 4988] rt_sigprocmask(SIG_SETMASK, [] [pid 4987] <... symlinkat resumed>) = 0 [pid 310] rmdir("./966" [pid 4989] close(3 [pid 4987] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4988] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4988] chdir("./920" [pid 310] <... rmdir resumed>) = 0 [pid 4990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4989] <... close resumed>) = 0 [pid 4987] <... unlinkat resumed>) = 0 [pid 4989] symlink("/dev/binderfs", "./binderfs" [pid 4987] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] mkdir("./967", 0777 [pid 4988] <... chdir resumed>) = 0 [pid 4988] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 4988] setpgid(0, 0 [pid 4987] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4989] <... symlink resumed>) = 0 [pid 4988] <... setpgid resumed>) = 0 [pid 4987] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4990] <... openat resumed>) = 3 [pid 4989] write(1, "executing program\n", 18 [pid 4987] <... exit_group resumed>) = ? [pid 4990] write(3, "1000", 4 [pid 4989] <... write resumed>) = 18 executing program [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4988] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4987] +++ exited with 0 +++ [pid 4988] write(3, "1000", 4) = 4 [pid 4988] close(3) = 0 [pid 4990] <... write resumed>) = 4 [pid 4989] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4987, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 4991 attached [pid 4988] symlink("/dev/binderfs", "./binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4991 [pid 4988] <... symlink resumed>) = 0 [pid 4989] <... mkdirat resumed>) = 0 [pid 4988] write(1, "executing program\n", 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 4991] set_robust_list(0x55556c898760, 24 [pid 4990] close(3 [pid 4989] mount(NULL, "./config", "configfs", 0, NULL [pid 4988] <... write resumed>) = 18 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4990] <... close resumed>) = 0 executing program [pid 4991] <... set_robust_list resumed>) = 0 [pid 4990] symlink("/dev/binderfs", "./binderfs" [pid 4989] <... mount resumed>) = 0 [pid 4988] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./945", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4989] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4989] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./945", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4991] rt_sigprocmask(SIG_SETMASK, [] [pid 4990] <... symlink resumed>) = 0 [pid 4989] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4988] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 4991] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4990] write(1, "executing program\n", 18 [pid 4989] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(3 [pid 4990] <... write resumed>) = 18 [pid 4989] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4991] chdir("./967" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 4989] <... mkdirat resumed>) = 0 [pid 4988] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(3 [pid 4990] mkdirat(AT_FDCWD, "./config", 0777 [pid 4991] <... chdir resumed>) = 0 [pid 4989] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4988] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4989] <... symlinkat resumed>) = 0 [pid 4988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./945/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4990] <... mkdirat resumed>) = 0 [pid 4989] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4988] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4991] <... prctl resumed>) = 0 [pid 4990] mount(NULL, "./config", "configfs", 0, NULL [pid 4991] setpgid(0, 0 [pid 4989] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./945/binderfs" [pid 4989] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4991] <... setpgid resumed>) = 0 [pid 4990] <... mount resumed>) = 0 [pid 4989] exit_group(0 [pid 4988] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4989] <... exit_group resumed>) = ? [pid 4988] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] unlink("./945/binderfs" [pid 4990] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4988] <... mkdirat resumed>) = 0 [pid 4988] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... unlink resumed>) = 0 [pid 4991] <... openat resumed>) = 3 [pid 4990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4989] +++ exited with 0 +++ [pid 4988] <... symlinkat resumed>) = 0 [pid 309] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4991] write(3, "1000", 4 [pid 4990] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4988] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4991] <... write resumed>) = 4 [pid 4990] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4988] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 4991] close(3 [pid 4990] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4988] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4989, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4991] <... close resumed>) = 0 [pid 4990] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4988] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4991] symlink("/dev/binderfs", "./binderfs" [pid 4990] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4988] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./945/config" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4990] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4988] <... exit_group resumed>) = ? [pid 4991] <... symlink resumed>) = 0 [pid 4990] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4988] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 4991] write(1, "executing program\n", 18 [pid 4990] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4991] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4988, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 4991] mkdirat(AT_FDCWD, "./config", 0777 [pid 4990] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] openat(AT_FDCWD, "./945/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4990] exit_group(0 [pid 309] <... openat resumed>) = 4 [pid 4990] <... exit_group resumed>) = ? [pid 306] umount2("./890", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 306] openat(AT_FDCWD, "./890", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 306] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(4 [pid 306] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4990] +++ exited with 0 +++ [pid 309] rmdir("./945/config" [pid 306] umount2("./890/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4991] <... mkdirat resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4990, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4991] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rmdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4991] <... mount resumed>) = 0 [pid 309] getdents64(3 [pid 4991] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] newfstatat(AT_FDCWD, "./890/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4991] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(3 [pid 4991] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] unlink("./890/binderfs" [pid 4991] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 4991] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rmdir("./945" [pid 306] <... unlink resumed>) = 0 [pid 4991] <... mkdirat resumed>) = 0 [pid 4991] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./946", 0777 [pid 4991] <... symlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 4991] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./890/config" [pid 4991] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4991] <... unlinkat resumed>) = 0 [pid 306] umount2("./890/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4991] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4992 ci2-android-6-1/strace-static-x86_64: Process 4992 attached [pid 4991] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./890/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4992] set_robust_list(0x55556c898760, 24 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 4 [pid 4992] <... set_robust_list resumed>) = 0 [pid 306] fstat(4 [pid 4992] rt_sigprocmask(SIG_SETMASK, [] [pid 4991] +++ exited with 0 +++ [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4992] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4991, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4992] chdir("./946" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4992] <... chdir resumed>) = 0 [pid 306] getdents64(4 [pid 4992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4992] <... prctl resumed>) = 0 [pid 306] close(4 [pid 4992] setpgid(0, 0) = 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./890/config" [pid 4992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 4992] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4992] write(3, "1000", 4 [pid 306] close(3 [pid 4992] <... write resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 4992] close(3 [pid 306] rmdir("./890" [pid 4992] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4992] symlink("/dev/binderfs", "./binderfs" [pid 307] <... restart_syscall resumed>) = 0 [pid 306] mkdir("./891", 0777 [pid 4992] <... symlink resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 4992] write(1, "executing program\n", 18 [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4992] <... write resumed>) = 18 [pid 307] umount2("./920", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4992] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4992] <... mkdirat resumed>) = 0 [pid 308] umount2("./953", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./920", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4992] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 4992] <... mount resumed>) = 0 [pid 308] openat(AT_FDCWD, "./953", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4993 ci2-android-6-1/strace-static-x86_64: Process 4993 attached [pid 4992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4993] set_robust_list(0x55556c898760, 24 [pid 4992] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(3 [pid 307] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4993] <... set_robust_list resumed>) = 0 [pid 4992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4993] rt_sigprocmask(SIG_SETMASK, [] [pid 4992] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 307] umount2("./920/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4993] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4992] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4993] chdir("./891" [pid 4992] <... mkdirat resumed>) = 0 [pid 308] umount2("./953/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4993] <... chdir resumed>) = 0 [pid 4992] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./920/binderfs" [pid 4993] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4992] <... symlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./953/binderfs" [pid 4993] <... prctl resumed>) = 0 [pid 4992] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4993] setpgid(0, 0 [pid 4992] <... unlinkat resumed>) = 0 [pid 310] umount2("./967", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./953/binderfs" [pid 4993] <... setpgid resumed>) = 0 [pid 4992] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 307] unlink("./920/binderfs" [pid 4993] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 4992] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./967", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4993] <... openat resumed>) = 3 [pid 4992] exit_group(0 [pid 310] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 4993] write(3, "1000", 4 [pid 4992] <... exit_group resumed>) = ? [pid 310] fstat(3 [pid 308] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4993] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4993] close(3 [pid 310] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./953/config" [pid 4993] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4993] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4993] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 4993] write(1, "executing program\n", 18 [pid 4992] +++ exited with 0 +++ [pid 310] umount2("./967/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./953/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4993] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 4993] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./967/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4992, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(4 [pid 4993] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4993] mount(NULL, "./config", "configfs", 0, NULL [pid 310] unlink("./967/binderfs" [pid 308] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./920/config" [pid 4993] <... mount resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] getdents64(4 [pid 4993] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 4993] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... close resumed>) = 0 [pid 307] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4993] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 308] rmdir("./953/config" [pid 4993] <... mkdirat resumed>) = 0 [pid 310] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4993] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(3 [pid 4993] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./920/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4993] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./967/config" [pid 308] close(3 [pid 4993] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 4993] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./953" [pid 307] fstat(4 [pid 4993] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 4993] exit_group(0 [pid 310] openat(AT_FDCWD, "./967/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./954", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4993] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 4 [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 4993] +++ exited with 0 +++ [pid 310] fstat(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4993, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(4 [pid 310] getdents64(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4994 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(4 [pid 310] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4994 attached [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 4994] set_robust_list(0x55556c898760, 24 [pid 310] close(4 [pid 307] rmdir("./920/config" [pid 310] <... close resumed>) = 0 [pid 4994] <... set_robust_list resumed>) = 0 [pid 4994] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4994] chdir("./954" [pid 310] rmdir("./967/config" [pid 307] <... rmdir resumed>) = 0 [pid 4994] <... chdir resumed>) = 0 [pid 4994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4994] setpgid(0, 0) = 0 [pid 4994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 307] close(3 [pid 4994] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 310] rmdir("./967" [pid 307] rmdir("./920" [pid 4994] write(3, "1000", 4) = 4 [pid 4994] close(3) = 0 [pid 4994] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 4994] write(1, "executing program\n", 18) = 18 executing program [pid 4994] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] mkdir("./968", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 4994] <... mkdirat resumed>) = 0 [pid 307] mkdir("./921", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 4994] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... restart_syscall resumed>) = 0 [pid 4994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4994] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./946", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4994] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 4994] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 4995 [pid 309] openat(AT_FDCWD, "./946", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4994] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4994] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4994] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 4996 [pid 309] fstat(3 [pid 4994] <... exit_group resumed>) = ? [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 4996 attached [pid 4994] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4994, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 4995 attached [pid 4995] set_robust_list(0x55556c898760, 24) = 0 [pid 4995] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4995] chdir("./968") = 0 [pid 4995] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4995] setpgid(0, 0) = 0 [pid 4995] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4995] write(3, "1000", 4) = 4 [pid 4995] close(3) = 0 [pid 4995] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4995] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4995] <... write resumed>) = 18 executing program [pid 4995] mkdirat(AT_FDCWD, "./config", 0777 [pid 4996] set_robust_list(0x55556c898760, 24 [pid 4995] <... mkdirat resumed>) = 0 [pid 309] umount2("./946/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4995] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4996] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4995] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4995] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 4995] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] newfstatat(AT_FDCWD, "./946/binderfs" [pid 4995] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4995] <... symlinkat resumed>) = 0 [pid 309] unlink("./946/binderfs" [pid 4995] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4995] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... unlink resumed>) = 0 [pid 4995] exit_group(0 [pid 309] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4995] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4996] rt_sigprocmask(SIG_SETMASK, [] [pid 4995] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./946/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4995, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4996] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4996] chdir("./921" [pid 309] openat(AT_FDCWD, "./946/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4996] <... chdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 4996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] fstat(4 [pid 4996] <... prctl resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] setpgid(0, 0) = 0 [pid 4996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(4 [pid 4996] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 306] umount2("./891", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./891", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./946/config" [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./891/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./891/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] unlink("./891/binderfs" [pid 309] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] rmdir("./946" [pid 306] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./954", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./954", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./947", 0777 [pid 308] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 306] newfstatat(AT_FDCWD, "./891/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 306] umount2("./891/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./954/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./891/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./954/binderfs" [pid 306] fstat(4 [pid 4996] write(3, "1000", 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4996] <... write resumed>) = 4 [pid 308] unlink("./954/binderfs" [pid 306] getdents64(4 [pid 4996] close(3 [pid 308] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4996] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 4997 [pid 308] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 4996] symlink("/dev/binderfs", "./binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 4997 attached [pid 4996] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 4996] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 4996] <... write resumed>) = 18 executing program [pid 308] newfstatat(AT_FDCWD, "./954/config" [pid 306] rmdir("./891/config" [pid 4997] set_robust_list(0x55556c898760, 24 [pid 4996] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4997] <... set_robust_list resumed>) = 0 [pid 4996] <... mkdirat resumed>) = 0 [pid 308] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 4996] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4996] <... mount resumed>) = 0 [pid 308] openat(AT_FDCWD, "./954/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 4996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... openat resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 4996] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(4 [pid 306] rmdir("./891" [pid 4996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 4997] rt_sigprocmask(SIG_SETMASK, [] [pid 4996] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 306] mkdir("./892", 0777 [pid 4997] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4996] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... mkdir resumed>) = 0 [pid 4997] chdir("./947" [pid 4996] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 4996] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 4996] <... symlinkat resumed>) = 0 [pid 308] close(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4997] <... chdir resumed>) = 0 [pid 4996] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... close resumed>) = 0 [pid 4996] <... unlinkat resumed>) = 0 [pid 308] rmdir("./954/config" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 4998 ci2-android-6-1/strace-static-x86_64: Process 4998 attached [pid 4997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4996] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./968", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 4996] <... unlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4996] exit_group(0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 4996] <... exit_group resumed>) = ? [pid 308] close(3 [pid 4998] set_robust_list(0x55556c898760, 24 [pid 4997] <... prctl resumed>) = 0 [pid 4996] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./954" [pid 4998] <... set_robust_list resumed>) = 0 [pid 4997] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./968", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./955", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4996, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] rt_sigprocmask(SIG_SETMASK, [] [pid 4997] <... setpgid resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 4998] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 4997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] fstat(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 4999 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 4999 attached [pid 4999] set_robust_list(0x55556c898760, 24) = 0 [pid 4999] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 4999] chdir("./955" [pid 4997] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4999] <... chdir resumed>) = 0 [pid 4999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4999] setpgid(0, 0) = 0 [pid 4999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4997] write(3, "1000", 4 [pid 310] getdents64(3 [pid 4998] chdir("./892" [pid 4999] write(3, "1000", 4) = 4 [pid 4999] close(3) = 0 [pid 4999] symlink("/dev/binderfs", "./binderfs") = 0 [pid 4998] <... chdir resumed>) = 0 [pid 4997] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 4999] write(1, "executing program\n", 18) = 18 [pid 4999] mkdirat(AT_FDCWD, "./config", 0777 [pid 4997] close(3 [pid 310] umount2("./968/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4999] <... mkdirat resumed>) = 0 [pid 4998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 4997] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4999] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 4998] <... prctl resumed>) = 0 [pid 4997] symlink("/dev/binderfs", "./binderfs" [pid 310] newfstatat(AT_FDCWD, "./968/binderfs" [pid 4999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 4999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4999] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 4999] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4997] <... symlink resumed>) = 0 [pid 310] unlink("./968/binderfs" [pid 4999] <... mkdirat resumed>) = 0 [pid 4999] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4997] write(1, "executing program\n", 18 [pid 310] <... unlink resumed>) = 0 [pid 4999] <... symlinkat resumed>) = 0 executing program [pid 4997] <... write resumed>) = 18 [pid 310] umount2("./968/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4998] setpgid(0, 0 [pid 4999] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4999] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 4999] exit_group(0) = ? [pid 4999] +++ exited with 0 +++ [pid 4998] <... setpgid resumed>) = 0 [pid 4997] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4999, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4997] <... mkdirat resumed>) = 0 [pid 310] umount2("./968/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 4998] write(3, "1000", 4) = 4 [pid 4998] close(3 [pid 4997] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... close resumed>) = 0 [pid 4998] symlink("/dev/binderfs", "./binderfs" [pid 310] newfstatat(AT_FDCWD, "./968/config" [pid 4998] <... symlink resumed>) = 0 [pid 4997] <... mount resumed>) = 0 [pid 4998] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 4998] <... write resumed>) = 18 [pid 4998] mkdirat(AT_FDCWD, "./config", 0777 [pid 4997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./968/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4998] <... mkdirat resumed>) = 0 executing program [pid 4998] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 4998] <... mount resumed>) = 0 [pid 4997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./968/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 4998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 4997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 4998] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 4998] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 4997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 4998] <... mkdirat resumed>) = 0 [pid 310] fstat(4 [pid 4998] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 4997] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 4998] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 4997] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 4998] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 4997] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 4998] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 4998] exit_group(0 [pid 4997] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4998] <... exit_group resumed>) = ? [pid 310] getdents64(4 [pid 4997] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 4998] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 4997] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 4997] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4998, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 4997] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 4997] exit_group(0 [pid 310] rmdir("./968/config" [pid 4997] <... exit_group resumed>) = ? [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] umount2("./892", MNT_FORCE|UMOUNT_NOFOLLOW [pid 4997] +++ exited with 0 +++ [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] openat(AT_FDCWD, "./892", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 310] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=4997, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 310] rmdir("./968" [pid 307] umount2("./921", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./892/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./892/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./892/binderfs" [pid 310] mkdir("./969", 0777 [pid 307] openat(AT_FDCWD, "./921", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./892/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] fstat(3 [pid 306] umount2("./892/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(3 [pid 306] openat(AT_FDCWD, "./892/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./955", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./892/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./921/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5000 [pid 308] openat(AT_FDCWD, "./955", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./921/binderfs" [pid 306] close(3 [pid 308] fstat(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] unlink("./921/binderfs" [pid 306] rmdir("./892" [pid 308] getdents64(3 [pid 307] <... unlink resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./893", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 308] umount2("./955/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./955/binderfs" [pid 307] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./955/binderfs" [pid 307] newfstatat(AT_FDCWD, "./921/config" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5001 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5000 attached [pid 308] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] set_robust_list(0x55556c898760, 24 [pid 308] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./921/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5000] <... set_robust_list resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./955/config" [pid 307] <... openat resumed>) = 4 [pid 5000] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(4 [pid 5000] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5000] chdir("./969" [pid 308] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 308] openat(AT_FDCWD, "./955/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5000] <... chdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 4 [pid 307] getdents64(4 [pid 308] fstat(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] close(4 [pid 308] getdents64(4 [pid 5000] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... close resumed>) = 0 [pid 5000] <... prctl resumed>) = 0 [pid 5000] setpgid(0, 0) = 0 [pid 5000] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rmdir("./921/config" [pid 308] getdents64(4 [pid 5000] <... openat resumed>) = 3 [pid 5000] write(3, "1000", 4) = 4 [pid 5000] close(3) = 0 [pid 5000] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] umount2("./947", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 307] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./947", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./955/config" [pid 307] close(3 [pid 309] <... openat resumed>) = 3 [pid 5000] <... symlink resumed>) = 0 [pid 309] fstat(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] rmdir("./921" [pid 5000] write(1, "executing program\n", 18 [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5000] <... write resumed>) = 18 executing program [pid 5000] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 5001 attached ) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 309] umount2("./947/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] mkdir("./922", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./955" [pid 5000] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5000] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./947/binderfs" [pid 5000] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5000] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5000] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] mkdir("./956", 0777 [pid 309] unlink("./947/binderfs" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5000] <... mkdirat resumed>) = 0 [pid 5000] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... mkdir resumed>) = 0 [pid 5000] <... symlinkat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5000] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5000] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5000] exit_group(0) = ? [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = 0 [pid 5000] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 5002 attached [pid 309] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5002 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5000, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5003 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./947/config" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5002] set_robust_list(0x55556c898760, 24 [pid 309] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... set_robust_list resumed>) = 0 [pid 309] openat(AT_FDCWD, "./947/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 4 [pid 5002] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] fstat(4 [pid 5002] chdir("./922" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5002] <... chdir resumed>) = 0 [pid 309] getdents64(4 [pid 5002] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5002] setpgid(0, 0 [pid 309] getdents64(4 [pid 5002] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] close(4 [pid 5002] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 5001] set_robust_list(0x55556c898760, 24 [pid 309] rmdir("./947/config" [pid 5002] write(3, "1000", 4) = 4 [pid 5002] close(3) = 0 [pid 5002] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] <... set_robust_list resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5003 attached [pid 309] getdents64(3 [pid 5003] set_robust_list(0x55556c898760, 24 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5003] <... set_robust_list resumed>) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./947" [pid 5003] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5003] chdir("./956") = 0 [pid 5003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rmdir resumed>) = 0 [pid 5003] <... prctl resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] mkdir("./948", 0777 [pid 5003] setpgid(0, 0) = 0 [pid 5003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 5003] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./969", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5003] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./969", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5003] <... write resumed>) = 4 [pid 5003] close(3) = 0 [pid 5003] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5003] write(1, "executing program\n", 18) = 18 [pid 5003] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 5001] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5004 [pid 5002] write(1, "executing program\n", 18 [pid 310] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 5004 attached , 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./969/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5004] set_robust_list(0x55556c898760, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] <... set_robust_list resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./969/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./969/binderfs" [pid 5004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./969/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5004] chdir("./948" [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./969/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5004] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5004] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] newfstatat(AT_FDCWD, "./969/config" [pid 5004] <... prctl resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5004] setpgid(0, 0 [pid 310] umount2("./969/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5004] <... setpgid resumed>) = 0 [pid 5004] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./969/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 5004] <... openat resumed>) = 3 executing program [pid 5002] <... write resumed>) = 18 [pid 5001] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5004] write(3, "1000", 4 [pid 310] getdents64(4 [pid 5004] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5004] close(3 [pid 310] close(4 [pid 5004] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 5004] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./969/config" [pid 5004] <... symlink resumed>) = 0 [pid 5004] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 [pid 5004] <... write resumed>) = 18 executing program [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 5004] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 5003] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rmdir("./969" [pid 5001] chdir("./893" [pid 5003] <... mount resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5003] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] mkdir("./970", 0777 [pid 5002] mkdirat(AT_FDCWD, "./config", 0777 [pid 5003] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5003] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5004] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 5003] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5001] <... chdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5003] <... mkdirat resumed>) = 0 [pid 5001] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5004] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5003] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5004] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5004] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5001] <... prctl resumed>) = 0 [pid 5003] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5001] setpgid(0, 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5005 [pid 5004] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5003] <... unlinkat resumed>) = 0 [pid 5001] <... setpgid resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5004] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5004] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5001] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5004] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5003] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5004] <... symlinkat resumed>) = 0 [pid 5001] <... openat resumed>) = 3 [pid 5003] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 5003] exit_group(0) = ? [pid 5004] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5002] <... mkdirat resumed>) = 0 [pid 5001] write(3, "1000", 4 [pid 5003] +++ exited with 0 +++ [pid 5002] mount(NULL, "./config", "configfs", 0, NULL [pid 5001] <... write resumed>) = 4 [pid 5004] <... unlinkat resumed>) = 0 [pid 5001] close(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5003, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5002] <... mount resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5001] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 5002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5001] symlink("/dev/binderfs", "./binderfs" [pid 5004] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] umount2("./956", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5001] <... symlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5002] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5001] write(1, "executing program\n", 18 [pid 308] openat(AT_FDCWD, "./956", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 5004] exit_group(0 [pid 5002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5001] <... write resumed>) = 18 [pid 308] <... openat resumed>) = 3 [pid 5004] <... exit_group resumed>) = ? [pid 5004] +++ exited with 0 +++ [pid 5002] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5001] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] fstat(3 [pid 5002] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5004, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5005 attached [pid 5005] set_robust_list(0x55556c898760, 24 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5005] <... set_robust_list resumed>) = 0 [pid 308] umount2("./956/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./956/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./956/binderfs" [pid 5005] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... unlink resumed>) = 0 [pid 5002] <... mkdirat resumed>) = 0 [pid 308] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5005] chdir("./970" [pid 5002] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5005] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5005] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] newfstatat(AT_FDCWD, "./956/config" [pid 5005] <... prctl resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5002] <... symlinkat resumed>) = 0 [pid 308] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5001] <... mkdirat resumed>) = 0 [pid 5002] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] mount(NULL, "./config", "configfs", 0, NULL [pid 308] openat(AT_FDCWD, "./956/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5002] <... unlinkat resumed>) = 0 [pid 5005] setpgid(0, 0 [pid 308] <... openat resumed>) = 4 [pid 5005] <... setpgid resumed>) = 0 [pid 5002] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] fstat(4 [pid 5001] <... mount resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5005] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] getdents64(4 [pid 5002] <... unlinkat resumed>) = 0 [pid 5001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5005] <... openat resumed>) = 3 [pid 5002] exit_group(0 [pid 5001] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5005] write(3, "1000", 4 [pid 5001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(4 [pid 5002] <... exit_group resumed>) = ? [pid 5005] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5005] close(3 [pid 5001] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] close(4 [pid 5005] <... close resumed>) = 0 [pid 5005] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5001] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./956/config" [pid 5005] write(1, "executing program\n", 18) = 18 [pid 5005] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 309] umount2("./948", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./948", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(3 [pid 5005] <... mkdirat resumed>) = 0 [pid 5001] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 5002] +++ exited with 0 +++ executing program [pid 5001] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] fstat(3 [pid 308] rmdir("./956" [pid 5005] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5002, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5005] <... mount resumed>) = 0 [pid 5005] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(3 [pid 308] mkdir("./957", 0777 [pid 5005] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5005] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5005] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 5005] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./948/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./948/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5001] <... symlinkat resumed>) = 0 [pid 309] unlink("./948/binderfs" [pid 5005] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5005] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5005] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5005] exit_group(0) = ? [pid 309] <... unlink resumed>) = 0 [pid 5001] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5006 ci2-android-6-1/strace-static-x86_64: Process 5006 attached [pid 5001] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5006] set_robust_list(0x55556c898760, 24 [pid 5001] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5006] <... set_robust_list resumed>) = 0 [pid 309] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5001] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5001] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./948/config" [pid 5001] <... exit_group resumed>) = ? [pid 5005] +++ exited with 0 +++ [pid 5001] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5006] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5005, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5001, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5006] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./948/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] chdir("./957") = 0 [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 5006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./948/config" [pid 5006] <... prctl resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 5006] setpgid(0, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 5006] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 310] umount2("./970", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./948" [pid 5006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./949", 0777 [pid 5006] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./970", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... mkdir resumed>) = 0 [pid 5006] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5006] <... write resumed>) = 4 [pid 310] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 5006] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5007 [pid 5006] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./970/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5006] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./922", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5007 attached [pid 5007] set_robust_list(0x55556c898760, 24 [pid 5006] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./970/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5006] write(1, "executing program\n", 18 [pid 307] openat(AT_FDCWD, "./922", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5007] <... set_robust_list resumed>) = 0 [pid 310] unlink("./970/binderfs" [pid 307] <... openat resumed>) = 3 [pid 5006] <... write resumed>) = 18 [pid 5007] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 307] fstat(3 [pid 5007] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5006] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./970/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5007] chdir("./949" [pid 310] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 5007] <... chdir resumed>) = 0 [pid 5007] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5007] setpgid(0, 0) = 0 [pid 5007] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5006] <... mkdirat resumed>) = 0 [pid 5007] <... openat resumed>) = 3 executing program [pid 5006] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./970/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5007] write(3, "1000", 4) = 4 [pid 5006] <... mount resumed>) = 0 [pid 307] umount2("./922/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./970/config" [pid 5007] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./922/binderfs" [pid 310] umount2("./970/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5007] <... close resumed>) = 0 [pid 5007] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5006] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./970/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] unlink("./922/binderfs" [pid 5007] write(1, "executing program\n", 18 [pid 310] <... openat resumed>) = 4 [pid 5007] <... write resumed>) = 18 executing program [pid 5007] mkdirat(AT_FDCWD, "./config", 0777 [pid 5006] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(4 [pid 307] <... unlink resumed>) = 0 [pid 5007] <... mkdirat resumed>) = 0 [pid 5006] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 5007] mount(NULL, "./config", "configfs", 0, NULL [pid 5006] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5007] <... mount resumed>) = 0 [pid 5006] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 5007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./893", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] <... symlinkat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./922/config" [pid 306] openat(AT_FDCWD, "./893", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5006] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] rmdir("./970/config" [pid 306] fstat(3 [pid 5006] <... unlinkat resumed>) = 0 [pid 307] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./893/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5006] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 307] openat(AT_FDCWD, "./922/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./893/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./893/binderfs" [pid 5006] <... unlinkat resumed>) = 0 [pid 310] close(3 [pid 307] fstat(4 [pid 306] <... unlink resumed>) = 0 [pid 5007] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5006] exit_group(0 [pid 310] rmdir("./970" [pid 307] getdents64(4 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./893/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./893/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./893/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 5006] <... exit_group resumed>) = ? [pid 310] mkdir("./971", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 310] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./893/config" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5006] +++ exited with 0 +++ [pid 307] close(4 [pid 306] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./893") = 0 [pid 306] mkdir("./894", 0777 [pid 5007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5006, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./922/config" [pid 306] <... mkdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5007] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5008 [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5009 attached [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5009 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5008 attached [pid 5008] set_robust_list(0x55556c898760, 24) = 0 [pid 5008] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5008] chdir("./971" [pid 5007] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 5008] <... chdir resumed>) = 0 [pid 5008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5008] setpgid(0, 0) = 0 [pid 5008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 5008] write(3, "1000", 4 [pid 307] <... close resumed>) = 0 [pid 5008] <... write resumed>) = 4 [pid 307] rmdir("./922" [pid 5008] close(3) = 0 executing program [pid 5008] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5008] write(1, "executing program\n", 18) = 18 [pid 5008] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] mkdir("./923", 0777 [pid 5007] <... mkdirat resumed>) = 0 [pid 5008] <... mkdirat resumed>) = 0 [pid 5008] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5007] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... mkdir resumed>) = 0 [pid 5008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5008] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5007] <... symlinkat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5007] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5008] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5008] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 5008] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 5008] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5008] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5007] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5010 [pid 5008] <... unlinkat resumed>) = 0 [pid 5008] exit_group(0) = ? [pid 5009] set_robust_list(0x55556c898760, 24 [pid 5008] +++ exited with 0 +++ [pid 5007] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5008, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5007] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) ci2-android-6-1/strace-static-x86_64: Process 5010 attached [pid 5010] set_robust_list(0x55556c898760, 24) = 0 [pid 5007] exit_group(0 [pid 5010] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5010] chdir("./923") = 0 [pid 5010] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5010] setpgid(0, 0) = 0 [pid 5010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5009] <... set_robust_list resumed>) = 0 [pid 5007] <... exit_group resumed>) = ? [pid 5010] <... openat resumed>) = 3 [pid 5010] write(3, "1000", 4) = 4 [pid 5010] close(3) = 0 [pid 5010] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5010] write(1, "executing program\n", 18) = 18 executing program [pid 5010] mkdirat(AT_FDCWD, "./config", 0777 [pid 5007] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5007, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5009] rt_sigprocmask(SIG_SETMASK, [] [pid 5010] <... mkdirat resumed>) = 0 [pid 5009] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5010] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5009] chdir("./894" [pid 5010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5009] <... chdir resumed>) = 0 [pid 5010] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5010] <... mkdirat resumed>) = 0 [pid 5010] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5009] <... prctl resumed>) = 0 [pid 5010] <... symlinkat resumed>) = 0 [pid 5010] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5010] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5009] setpgid(0, 0 [pid 5010] <... unlinkat resumed>) = 0 [pid 5009] <... setpgid resumed>) = 0 [pid 5010] exit_group(0) = ? [pid 5009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5010] +++ exited with 0 +++ [pid 5009] write(3, "1000", 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5010, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... restart_syscall resumed>) = 0 [pid 5009] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5009] close(3 [pid 308] umount2("./957", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5009] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5009] symlink("/dev/binderfs", "./binderfs" [pid 308] openat(AT_FDCWD, "./957", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] fstat(3 [pid 5009] <... symlink resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] write(1, "executing program\n", 18 [pid 308] getdents64(3 [pid 5009] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 308] umount2("./957/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5009] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./957/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./957/binderfs") = 0 [pid 308] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5009] <... mkdirat resumed>) = 0 [pid 5009] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./957/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5009] <... mount resumed>) = 0 [pid 308] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./957/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5009] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 4 [pid 5009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5009] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 310] umount2("./971", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./949", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 310] openat(AT_FDCWD, "./971", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./949", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./923", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 309] fstat(3 [pid 310] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./957/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./949/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./949/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(3 [pid 307] openat(AT_FDCWD, "./923", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] unlink("./949/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./971/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 308] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 310] newfstatat(AT_FDCWD, "./971/binderfs" [pid 308] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] unlink("./971/binderfs" [pid 309] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./957" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./949/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] umount2("./971/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] openat(AT_FDCWD, "./949/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./923/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 308] mkdir("./958", 0777 [pid 310] umount2("./971/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4) = 0 [pid 309] rmdir("./949/config" [pid 5009] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./923/binderfs" [pid 5009] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./971/config" [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5009] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5009] <... symlinkat resumed>) = 0 [pid 310] umount2("./971/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 5009] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] unlink("./923/binderfs" [pid 5009] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./971/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./949" [pid 5009] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 5009] <... unlinkat resumed>) = 0 [pid 309] mkdir("./950", 0777ci2-android-6-1/strace-static-x86_64: Process 5011 attached [pid 5009] exit_group(0 [pid 310] fstat(4 [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5009] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5011] set_robust_list(0x55556c898760, 24 [pid 5009] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5011 [pid 307] <... umount2 resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5009, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5011] <... set_robust_list resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5012 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./923/config" [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./971/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 5012 attached [pid 5012] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./923/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(3 [pid 5012] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 307] fstat(4 [pid 310] rmdir("./971" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5012] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5012] chdir("./950") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 310] mkdir("./972", 0777 [pid 5012] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5012] <... prctl resumed>) = 0 [pid 5012] setpgid(0, 0) = 0 [pid 5012] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] close(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... close resumed>) = 0 [pid 5012] <... openat resumed>) = 3 [pid 5012] write(3, "1000", 4) = 4 [pid 5012] close(3) = 0 [pid 5012] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] rmdir("./923/config" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5013 [pid 5012] write(1, "executing program\n", 18) = 18 [pid 5012] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 307] close(3) = 0 [pid 307] rmdir("./923" [pid 5012] <... mkdirat resumed>) = 0 [pid 5012] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./924", 0777 [pid 5012] <... mount resumed>) = 0 [pid 5012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5012] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5012] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5012] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5014 [pid 306] umount2("./894", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./894", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5011] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./894/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./894/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./894/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5014 attached [pid 5011] chdir("./958" [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5011] <... chdir resumed>) = 0 [pid 306] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./894/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./894/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./894/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./894/config" [pid 5014] set_robust_list(0x55556c898760, 24 [pid 5011] <... prctl resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./894" [pid 5014] <... set_robust_list resumed>) = 0 [pid 5011] setpgid(0, 0 [pid 306] <... rmdir resumed>) = 0 [pid 5011] <... setpgid resumed>) = 0 [pid 306] mkdir("./895", 0777 [pid 5014] rt_sigprocmask(SIG_SETMASK, [] [pid 5011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5014] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5011] <... openat resumed>) = 3 [pid 5011] write(3, "1000", 4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5015 [pid 5011] <... write resumed>) = 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5012] <... symlinkat resumed>) = 0 [pid 5012] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5011] close(3 [pid 5012] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5014] chdir("./924" [pid 5011] <... close resumed>) = 0 [pid 5012] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 5015 attached [pid 5014] <... chdir resumed>) = 0 [pid 5012] +++ exited with 0 +++ [pid 5011] symlink("/dev/binderfs", "./binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5012, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5013 attached [pid 5013] set_robust_list(0x55556c898760, 24) = 0 [pid 5013] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5013] chdir("./972") = 0 [pid 5013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5011] <... symlink resumed>) = 0 [pid 5013] <... prctl resumed>) = 0 [pid 5013] setpgid(0, 0) = 0 [pid 5013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] write(1, "executing program\n", 18 [pid 5014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5013] <... openat resumed>) = 3 executing program [pid 5013] write(3, "1000", 4) = 4 [pid 5013] close(3 [pid 5011] <... write resumed>) = 18 [pid 5013] <... close resumed>) = 0 [pid 5013] symlink("/dev/binderfs", "./binderfs" [pid 5011] mkdirat(AT_FDCWD, "./config", 0777 [pid 5014] <... prctl resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 309] umount2("./950", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./950", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5011] <... mkdirat resumed>) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./950/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5011] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./950/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./950/binderfs") = 0 [pid 309] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 309] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5011] <... mount resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./950/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./950/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 5011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... close resumed>) = 0 [pid 5011] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./950/config" [pid 5011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5011] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(3 [pid 5011] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./950" [pid 5014] setpgid(0, 0 [pid 5011] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 5014] <... setpgid resumed>) = 0 [pid 5011] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] mkdir("./951", 0777 [pid 5014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5011] <... symlinkat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 5011] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5011] <... unlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5014] <... openat resumed>) = 3 [pid 5011] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5014] write(3, "1000", 4 [pid 5013] <... symlink resumed>) = 0 [pid 5011] <... unlinkat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5016 [pid 5015] set_robust_list(0x55556c898760, 24 [pid 5014] <... write resumed>) = 4 [pid 5011] exit_group(0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5015] <... set_robust_list resumed>) = 0 [pid 5014] close(3 [pid 5013] write(1, "executing program\n", 18 [pid 5011] <... exit_group resumed>) = ? [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5015] rt_sigprocmask(SIG_SETMASK, [] [pid 5013] <... write resumed>) = 18 [pid 5015] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5013] mkdirat(AT_FDCWD, "./config", 0777 [pid 5015] chdir("./895" [pid 5014] <... close resumed>) = 0 [pid 5013] <... mkdirat resumed>) = 0 [pid 5011] +++ exited with 0 +++ [pid 5015] <... chdir resumed>) = 0 [pid 5014] symlink("/dev/binderfs", "./binderfs" [pid 5013] mount(NULL, "./config", "configfs", 0, NULL [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5011, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5015] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5013] <... mount resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5015] <... prctl resumed>) = 0 [pid 5013] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5015] setpgid(0, 0 [pid 5014] <... symlink resumed>) = 0 [pid 5013] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5015] <... setpgid resumed>) = 0 [pid 5013] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777ci2-android-6-1/strace-static-x86_64: Process 5016 attached [pid 5015] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5014] write(1, "executing program\n", 18 [pid 5013] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 5015] <... openat resumed>) = 3 [pid 5014] <... write resumed>) = 18 [pid 5013] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5016] set_robust_list(0x55556c898760, 24 [pid 5015] write(3, "1000", 4 [pid 5014] mkdirat(AT_FDCWD, "./config", 0777 [pid 5013] <... mkdirat resumed>) = 0 [pid 5015] <... write resumed>) = 4 [pid 5013] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5015] close(3 [pid 5013] <... symlinkat resumed>) = 0 [pid 5015] <... close resumed>) = 0 [pid 5013] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5015] symlink("/dev/binderfs", "./binderfs" [pid 5013] <... unlinkat resumed>) = 0 [pid 5015] <... symlink resumed>) = 0 [pid 5014] <... mkdirat resumed>) = 0 [pid 5013] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5016] <... set_robust_list resumed>) = 0 [pid 5016] rt_sigprocmask(SIG_SETMASK, [] [pid 5015] write(1, "executing program\n", 18 [pid 5014] mount(NULL, "./config", "configfs", 0, NULL [pid 5013] <... unlinkat resumed>) = 0 [pid 5015] <... write resumed>) = 18 [pid 5015] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 5014] <... mount resumed>) = 0 [pid 5013] exit_group(0 [pid 5016] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5015] <... mkdirat resumed>) = 0 [pid 5014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5013] <... exit_group resumed>) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 5016] chdir("./951" [pid 5015] mount(NULL, "./config", "configfs", 0, NULL [pid 5014] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5013] +++ exited with 0 +++ [pid 5015] <... mount resumed>) = 0 [pid 5014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5013, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5014] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./958", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5015] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5014] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./972", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./958", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5015] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5015] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 5014] <... mkdirat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 5014] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./972", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(3 [pid 5015] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 310] fstat(3 [pid 5014] <... symlinkat resumed>) = 0 [pid 5015] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5015] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5014] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5015] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 5014] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5015] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5016] <... chdir resumed>) = 0 [pid 5015] <... unlinkat resumed>) = 0 [pid 5014] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5015] exit_group(0) = ? [pid 5016] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5015] +++ exited with 0 +++ [pid 5014] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5015, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5016] <... prctl resumed>) = 0 [pid 5014] exit_group(0 [pid 5016] setpgid(0, 0 [pid 5014] <... exit_group resumed>) = ? [pid 5016] <... setpgid resumed>) = 0 [pid 5016] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5014] +++ exited with 0 +++ [pid 5016] write(3, "1000", 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5014, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5016] <... write resumed>) = 4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5016] close(3) = 0 [pid 5016] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./972/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./958/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./972/binderfs" [pid 308] newfstatat(AT_FDCWD, "./958/binderfs" [pid 5016] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./972/binderfs" [pid 308] unlink("./958/binderfs" [pid 5016] <... write resumed>) = 18 [pid 5016] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 executing program [pid 5016] <... mkdirat resumed>) = 0 [pid 310] umount2("./972/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 5016] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./972/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./972/config" [pid 308] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./972/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./958/config" [pid 5016] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./972/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 308] openat(AT_FDCWD, "./958/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5016] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5016] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 308] fstat(4 [pid 5016] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5016] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 308] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5016] <... symlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] close(4 [pid 308] getdents64(4 [pid 5016] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./972/config" [pid 308] close(4 [pid 5016] <... unlinkat resumed>) = 0 [pid 5016] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5016] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 308] rmdir("./958/config" [pid 5016] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5016] +++ exited with 0 +++ [pid 310] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./972" [pid 308] getdents64(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5016, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] mkdir("./973", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] close(3) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] rmdir("./958" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./895", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] mkdir("./959", 0777 [pid 306] openat(AT_FDCWD, "./895", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./895/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./895/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./895/binderfs") = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5017 [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./895/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./895/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./895/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5018 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 309] umount2("./951", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rmdir("./895/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./924", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./951", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./924", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] fstat(3 [pid 306] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 307] fstat(3 [pid 306] rmdir("./895"ci2-android-6-1/strace-static-x86_64: Process 5018 attached [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5018] set_robust_list(0x55556c898760, 24 [pid 309] umount2("./951/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] mkdir("./896", 0777 [pid 5018] <... set_robust_list resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./951/binderfs" [pid 307] umount2("./924/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] unlink("./951/binderfs" [pid 307] newfstatat(AT_FDCWD, "./924/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5018] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 5019 attached [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5019 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5017 attached [pid 5017] set_robust_list(0x55556c898760, 24 [pid 309] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./924/binderfs" [pid 5017] <... set_robust_list resumed>) = 0 [pid 5017] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5017] chdir("./973") = 0 [pid 5017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5017] <... prctl resumed>) = 0 [pid 5017] setpgid(0, 0) = 0 [pid 5017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5017] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 5017] write(3, "1000", 4 [pid 309] newfstatat(AT_FDCWD, "./951/config" [pid 307] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5017] <... write resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./924/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] openat(AT_FDCWD, "./951/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5017] close(3 [pid 309] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 5017] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./924/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 5017] symlink("/dev/binderfs", "./binderfs" [pid 307] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 309] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 309] close(4 [pid 5017] <... symlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./951/config" [pid 307] getdents64(4 [pid 5017] write(1, "executing program\n", 18) = 18 executing program [pid 5017] mkdirat(AT_FDCWD, "./config", 0777 [pid 5019] set_robust_list(0x55556c898760, 24 [pid 5018] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5017] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 307] close(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5017] mount(NULL, "./config", "configfs", 0, NULL [pid 309] close(3 [pid 307] <... close resumed>) = 0 [pid 5018] chdir("./959" [pid 5017] <... mount resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./924/config" [pid 309] rmdir("./951" [pid 5017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5017] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 5017] <... mkdirat resumed>) = 0 [pid 5018] <... chdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 5017] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] mkdir("./952", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5018] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5017] <... symlinkat resumed>) = 0 [pid 5017] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 5018] <... prctl resumed>) = 0 [pid 5017] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... close resumed>) = 0 [pid 5018] setpgid(0, 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./924" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5017] <... unlinkat resumed>) = 0 [pid 5017] exit_group(0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5018] <... setpgid resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5017] <... exit_group resumed>) = ? [pid 5017] +++ exited with 0 +++ [pid 5019] <... set_robust_list resumed>) = 0 [pid 5019] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5019] chdir("./896" [pid 307] mkdir("./925", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5017, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5020 [pid 5019] <... chdir resumed>) = 0 [pid 5019] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5019] setpgid(0, 0) = 0 [pid 5019] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5018] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5019] <... openat resumed>) = 3 [pid 5018] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5019] write(3, "1000", 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5018] write(3, "1000", 4 [pid 5019] <... write resumed>) = 4 [pid 5019] close(3) = 0 [pid 5019] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5019] write(1, "executing program\n", 18) = 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 5018] <... write resumed>) = 4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5021 [pid 5019] mkdirat(AT_FDCWD, "./config", 0777 [pid 5018] close(3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 310] umount2("./973", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5021 attached [pid 5019] <... mkdirat resumed>) = 0 [pid 5018] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5019] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./973", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5018] symlink("/dev/binderfs", "./binderfs" [pid 5019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5019] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... openat resumed>) = 3 [pid 5019] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5018] <... symlink resumed>) = 0 [pid 310] fstat(3 [pid 5019] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5018] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 5018] <... write resumed>) = 18 [pid 5019] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5018] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./973/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5019] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5019] <... unlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5020 attached [pid 5019] exit_group(0 executing program [pid 5018] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./973/binderfs" [pid 5020] set_robust_list(0x55556c898760, 24 [pid 5019] <... exit_group resumed>) = ? [pid 5018] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5021] set_robust_list(0x55556c898760, 24 [pid 5020] <... set_robust_list resumed>) = 0 [pid 5019] +++ exited with 0 +++ [pid 5018] <... mount resumed>) = 0 [pid 310] unlink("./973/binderfs" [pid 5020] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... unlink resumed>) = 0 [pid 5018] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5019, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./973/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5018] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5020] chdir("./952" [pid 310] <... umount2 resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5018] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./973/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5020] <... chdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5018] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./973/config" [pid 306] umount2("./896", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5018] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./973/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5020] <... prctl resumed>) = 0 [pid 5020] setpgid(0, 0) = 0 [pid 5020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5018] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./896", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5018] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./973/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 5020] <... openat resumed>) = 3 [pid 5018] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] fstat(3 [pid 5018] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5018] <... unlinkat resumed>) = 0 [pid 306] getdents64(3 [pid 310] getdents64(4 [pid 5018] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5020] write(3, "1000", 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5020] <... write resumed>) = 4 [pid 5020] close(3 [pid 5018] <... unlinkat resumed>) = 0 [pid 306] umount2("./896/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5020] <... close resumed>) = 0 [pid 5018] exit_group(0 [pid 310] close(4 [pid 306] newfstatat(AT_FDCWD, "./896/binderfs" [pid 5020] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 5018] <... exit_group resumed>) = ? [pid 310] rmdir("./973/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5020] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] unlink("./896/binderfs" [pid 5020] write(1, "executing program\n", 18) = 18 [pid 5020] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5018] +++ exited with 0 +++ [pid 5020] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... unlink resumed>) = 0 [pid 310] getdents64(3 [pid 306] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5018, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5020] <... mount resumed>) = 0 [pid 310] close(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = 0 [pid 5020] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 306] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./973" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5020] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5020] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5020] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./896/config" [pid 310] mkdir("./974", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5020] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5020] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] umount2("./896/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5020] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] openat(AT_FDCWD, "./896/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5020] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(4 [pid 5020] exit_group(0) = ? [pid 5020] +++ exited with 0 +++ [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 5022 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5022 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5020, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5022] set_robust_list(0x55556c898760, 24 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5022] <... set_robust_list resumed>) = 0 [pid 306] getdents64(4 [pid 5022] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5022] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(4 [pid 5022] chdir("./974" [pid 306] <... close resumed>) = 0 [pid 5022] <... chdir resumed>) = 0 [pid 306] rmdir("./896/config" [pid 5022] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5022] setpgid(0, 0) = 0 [pid 5022] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 5022] write(3, "1000", 4 [pid 306] getdents64(3 [pid 5022] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5022] close(3 [pid 306] close(3 [pid 5022] <... close resumed>) = 0 [pid 5022] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5021] <... set_robust_list resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] rmdir("./896" [pid 5022] write(1, "executing program\n", 18) = 18 executing program [pid 5022] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5022] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./952", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./897", 0777 [pid 5022] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5022] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] openat(AT_FDCWD, "./952", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... mkdir resumed>) = 0 [pid 5022] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5022] <... symlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5022] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... restart_syscall resumed>) = 0 [pid 5022] <... unlinkat resumed>) = 0 [pid 5022] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5022] exit_group(0) = ? [pid 5022] +++ exited with 0 +++ [pid 5021] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./952/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5023 attached [pid 309] newfstatat(AT_FDCWD, "./952/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5022, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5023 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./959", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./952/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5023] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./959", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./952/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./959/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5023] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./959/binderfs" [pid 309] openat(AT_FDCWD, "./952/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5023] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] unlink("./959/binderfs" [pid 309] fstat(4 [pid 5023] chdir("./897" [pid 308] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 5023] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 5023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 5023] <... prctl resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 308] newfstatat(AT_FDCWD, "./959/config" [pid 309] <... close resumed>) = 0 [pid 5023] setpgid(0, 0) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./952/config" [pid 308] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 5023] write(3, "1000", 4 [pid 308] openat(AT_FDCWD, "./959/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5023] <... write resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 309] close(3 [pid 5023] close(3 [pid 308] fstat(4 [pid 5023] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./952" [pid 308] getdents64(4 [pid 5023] symlink("/dev/binderfs", "./binderfs" [pid 5021] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5021] chdir("./925" [pid 309] mkdir("./953", 0777 [pid 308] getdents64(4 [pid 5021] <... chdir resumed>) = 0 [pid 5021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5021] setpgid(0, 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 5023] <... symlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5023] write(1, "executing program\n", 18 [pid 308] rmdir("./959/config" [pid 5021] <... setpgid resumed>) = 0 [pid 5021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 executing program [pid 5021] write(3, "1000", 4ci2-android-6-1/strace-static-x86_64: Process 5024 attached [pid 5023] <... write resumed>) = 18 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5024 [pid 308] <... rmdir resumed>) = 0 [pid 5021] <... write resumed>) = 4 [pid 5021] close(3) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 5023] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5024] set_robust_list(0x55556c898760, 24 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 5021] symlink("/dev/binderfs", "./binderfs" [pid 308] <... close resumed>) = 0 [pid 5021] <... symlink resumed>) = 0 [pid 5023] <... mkdirat resumed>) = 0 [pid 308] rmdir("./959" [pid 5024] <... set_robust_list resumed>) = 0 [pid 5023] mount(NULL, "./config", "configfs", 0, NULL [pid 5021] write(1, "executing program\n", 18) = 18 [pid 5021] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 executing program [pid 5024] rt_sigprocmask(SIG_SETMASK, [] [pid 5023] <... mount resumed>) = 0 [pid 5021] <... mkdirat resumed>) = 0 [pid 308] mkdir("./960", 0777 [pid 5024] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5021] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... mkdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 5023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5024] chdir("./953" [pid 5023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./974", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5021] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5021] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5021] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5021] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5024] <... chdir resumed>) = 0 [pid 5023] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5025 [pid 310] openat(AT_FDCWD, "./974", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(3 [pid 5024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5023] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5024] <... prctl resumed>) = 0 [pid 5023] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5024] setpgid(0, 0 [pid 310] getdents64(3 [pid 5024] <... setpgid resumed>) = 0 [pid 5023] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5023] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5021] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5023] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] umount2("./974/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5023] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5021] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./974/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5025 attached , {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5023] <... unlinkat resumed>) = 0 [pid 310] unlink("./974/binderfs" [pid 5021] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5021] exit_group(0 [pid 310] <... unlink resumed>) = 0 [pid 5023] exit_group(0 [pid 310] umount2("./974/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5024] <... openat resumed>) = 3 [pid 5023] <... exit_group resumed>) = ? [pid 5021] <... exit_group resumed>) = ? [pid 5023] +++ exited with 0 +++ [pid 5024] write(3, "1000", 4 [pid 5021] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./974/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5021, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5023, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5024] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5024] close(3 [pid 310] newfstatat(AT_FDCWD, "./974/config" [pid 5025] set_robust_list(0x55556c898760, 24 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5024] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./974/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5024] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5025] <... set_robust_list resumed>) = 0 [pid 5025] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./974/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5025] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] umount2("./925", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 5025] chdir("./960" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5024] <... symlink resumed>) = 0 [pid 310] getdents64(4 [pid 307] openat(AT_FDCWD, "./925", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5025] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5024] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 307] fstat(3 [pid 5024] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(4 [pid 307] getdents64(3 [pid 5025] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... close resumed>) = 0 [pid 5025] <... prctl resumed>) = 0 [pid 310] rmdir("./974/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5024] mkdirat(AT_FDCWD, "./config", 0777 [pid 5025] setpgid(0, 0) = 0 [pid 5025] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 307] umount2("./925/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 5025] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 307] newfstatat(AT_FDCWD, "./925/binderfs" [pid 310] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./974" [pid 307] unlink("./925/binderfs" [pid 5025] write(3, "1000", 4) = 4 [pid 5025] close(3) = 0 [pid 5025] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5025] <... symlink resumed>) = 0 [pid 310] mkdir("./975", 0777 [pid 307] <... unlink resumed>) = 0 [pid 5025] write(1, "executing program\n", 18) = 18 [pid 5025] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5025] mount(NULL, "./config", "configfs", 0, NULL [pid 5024] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./897", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5025] <... mount resumed>) = 0 [pid 5024] mount(NULL, "./config", "configfs", 0, NULL [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5025] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5025] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5025] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] openat(AT_FDCWD, "./897", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5026 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 5025] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./925/config" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3 [pid 5024] <... mount resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5025] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] openat(AT_FDCWD, "./925/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5024] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./897/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 5024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./897/binderfs" [pid 5024] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5025] <... unlinkat resumed>) = 0 [pid 5024] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] unlink("./897/binderfs" [pid 307] getdents64(4 [pid 5025] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... unlink resumed>) = 0 [pid 307] close(4 [pid 306] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 5025] exit_group(0 [pid 307] rmdir("./925/config" [pid 306] <... umount2 resumed>) = 0 [pid 5024] <... mkdirat resumed>) = 0 [pid 5025] <... exit_group resumed>) = ? [pid 5025] +++ exited with 0 +++ [pid 5024] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5026 attached ) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5025, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./897/config" [pid 5024] <... symlinkat resumed>) = 0 [pid 307] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5024] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./897/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./925" [pid 5026] set_robust_list(0x55556c898760, 24 [pid 5024] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5026] <... set_robust_list resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./897/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5024] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] mkdir("./926", 0777 [pid 306] <... openat resumed>) = 4 [pid 5026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] fstat(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5024] <... unlinkat resumed>) = 0 [pid 306] getdents64(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5026] chdir("./975" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5026] <... chdir resumed>) = 0 [pid 5026] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5026] setpgid(0, 0) = 0 [pid 5026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5027 [pid 5024] exit_group(0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 5027 attached [pid 5026] <... openat resumed>) = 3 [pid 5024] <... exit_group resumed>) = ? [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 5026] write(3, "1000", 4 [pid 306] rmdir("./897/config" [pid 308] umount2("./960", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5026] <... write resumed>) = 4 [pid 5026] close(3) = 0 [pid 5026] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 308] openat(AT_FDCWD, "./960", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5026] <... symlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] close(3 [pid 308] fstat(3 [pid 5026] write(1, "executing program\n", 18 [pid 306] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./897" [pid 308] getdents64(3 [pid 5026] <... write resumed>) = 18 [pid 5026] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5026] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] mkdir("./898", 0777 [pid 5024] +++ exited with 0 +++ [pid 308] umount2("./960/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5026] <... mount resumed>) = 0 [pid 5026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5024, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] newfstatat(AT_FDCWD, "./960/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5027] set_robust_list(0x55556c898760, 24 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5027] <... set_robust_list resumed>) = 0 [pid 308] unlink("./960/binderfs" [pid 5026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5026] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5026] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5028 [pid 5027] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5026] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 308] <... umount2 resumed>) = 0 [pid 5027] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5027] chdir("./926" [pid 5026] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5026] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] newfstatat(AT_FDCWD, "./960/config" [pid 5027] <... chdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5027] <... prctl resumed>) = 0 [pid 5027] setpgid(0, 0 [pid 5026] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5027] <... setpgid resumed>) = 0 [pid 5026] exit_group(0 [pid 308] openat(AT_FDCWD, "./960/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5026] <... exit_group resumed>) = ? [pid 308] <... openat resumed>) = 4 [pid 5027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5026] +++ exited with 0 +++ [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5026, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5028 attached [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5028] set_robust_list(0x55556c898760, 24 [pid 308] getdents64(4 [pid 5027] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5028] <... set_robust_list resumed>) = 0 [pid 5027] write(3, "1000", 4 [pid 308] close(4 [pid 5028] rt_sigprocmask(SIG_SETMASK, [] [pid 5027] <... write resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 5028] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5027] close(3 [pid 308] rmdir("./960/config" [pid 5028] chdir("./898") = 0 [pid 5028] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5028] setpgid(0, 0) = 0 [pid 5028] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5027] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 5028] <... openat resumed>) = 3 [pid 5027] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(3 [pid 5028] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5028] <... write resumed>) = 4 [pid 308] close(3 [pid 5028] close(3 [pid 308] <... close resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] rmdir("./960" [pid 5028] <... close resumed>) = 0 [pid 5028] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5028] write(1, "executing program\n", 18 [pid 308] <... rmdir resumed>) = 0 [pid 5028] <... write resumed>) = 18 executing program [pid 5028] mkdirat(AT_FDCWD, "./config", 0777 [pid 5027] <... symlink resumed>) = 0 [pid 308] mkdir("./961", 0777 [pid 310] umount2("./975", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5028] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 5027] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5028] mount(NULL, "./config", "configfs", 0, NULL [pid 310] openat(AT_FDCWD, "./975", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5027] <... write resumed>) = 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(3 [pid 5028] <... mount resumed>) = 0 [pid 5028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5028] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5027] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 5028] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5029 [pid 5028] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... restart_syscall resumed>) = 0 [pid 5028] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./975/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./975/binderfs" [pid 5028] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./953", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./975/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5028] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./953", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5027] <... mkdirat resumed>) = 0 [pid 310] umount2("./975/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5027] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = 0 [pid 309] fstat(3 [pid 310] umount2("./975/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 5027] <... mount resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./975/config" [pid 5028] exit_group(0 [pid 5027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./975/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5027] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./953/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./975/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./953/binderfs" [pid 5027] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5028] <... exit_group resumed>) = ? [pid 5028] +++ exited with 0 +++ [pid 5027] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... openat resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 5029 attached [pid 310] fstat(4 [pid 309] unlink("./953/binderfs" [pid 5027] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5028, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5029] set_robust_list(0x55556c898760, 24) = 0 [pid 5029] rt_sigprocmask(SIG_SETMASK, [] [pid 5027] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 309] <... unlink resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5027] <... symlinkat resumed>) = 0 [pid 309] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5029] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 5029] chdir("./961" [pid 5027] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 310] close(4 [pid 309] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 5029] <... chdir resumed>) = 0 [pid 5027] <... unlinkat resumed>) = 0 [pid 310] rmdir("./975/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] newfstatat(AT_FDCWD, "./953/config" [pid 5029] <... prctl resumed>) = 0 [pid 5029] setpgid(0, 0) = 0 [pid 5029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5027] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 309] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 309] openat(AT_FDCWD, "./953/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./975" [pid 309] <... openat resumed>) = 4 [pid 5027] <... unlinkat resumed>) = 0 [pid 5029] <... openat resumed>) = 3 [pid 309] fstat(4 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5029] write(3, "1000", 4 [pid 5027] exit_group(0 [pid 310] mkdir("./976", 0777 [pid 309] getdents64(4 [pid 5029] <... write resumed>) = 4 [pid 5027] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./953/config" [pid 310] <... mkdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] close(3) = 0 [pid 309] rmdir("./953") = 0 [pid 306] umount2("./898", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./954", 0777 [pid 5029] close(3 [pid 5027] +++ exited with 0 +++ [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5030 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5029] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./898", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5027, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5029] <... symlink resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... openat resumed>) = 3 [pid 5029] write(1, "executing program\n", 18 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5031 [pid 306] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5029] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 5030 attached [pid 5030] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5029] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] umount2("./898/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./898/binderfs" [pid 5030] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5030] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] unlink("./898/binderfs" [pid 5030] chdir("./976") = 0 [pid 306] <... unlink resumed>) = 0 [pid 5030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5030] <... prctl resumed>) = 0 [pid 5030] setpgid(0, 0 [pid 306] <... umount2 resumed>) = 0 [pid 5030] <... setpgid resumed>) = 0 [pid 306] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... mkdirat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./898/config" [pid 5030] <... openat resumed>) = 3 [pid 5029] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5030] write(3, "1000", 4 [pid 306] umount2("./898/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5030] <... write resumed>) = 4 [pid 5030] close(3) = 0 [pid 5030] symlink("/dev/binderfs", "./binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5029] <... mount resumed>) = 0 [pid 306] openat(AT_FDCWD, "./898/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5031 attached [pid 5030] <... symlink resumed>) = 0 [pid 5029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... openat resumed>) = 4 [pid 5030] write(1, "executing program\n", 18) = 18 [pid 306] fstat(4 [pid 5029] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5030] mkdirat(AT_FDCWD, "./config", 0777 [pid 5029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] getdents64(4 [pid 5030] <... mkdirat resumed>) = 0 [pid 5029] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5031] set_robust_list(0x55556c898760, 24 [pid 5029] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(4 [pid 5030] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 5030] <... mount resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rmdir("./898/config" [pid 5029] <... mkdirat resumed>) = 0 [pid 5030] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5030] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5029] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... rmdir resumed>) = 0 [pid 5030] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(3 [pid 5030] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5029] <... symlinkat resumed>) = 0 [pid 306] close(3 [pid 5030] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5029] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... close resumed>) = 0 [pid 5030] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rmdir("./898" [pid 5029] <... unlinkat resumed>) = 0 [pid 5030] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5030] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5029] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... rmdir resumed>) = 0 [pid 5030] exit_group(0 [pid 5029] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] mkdir("./899", 0777 [pid 5030] <... exit_group resumed>) = ? [pid 5031] <... set_robust_list resumed>) = 0 [pid 5030] +++ exited with 0 +++ [pid 5029] exit_group(0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5029] <... exit_group resumed>) = ? [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5030, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5031] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5031] chdir("./954") = 0 [pid 5031] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5031] setpgid(0, 0) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5032 [pid 5031] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5031] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5031] write(3, "1000", 4) = 4 [pid 5029] +++ exited with 0 +++ [pid 5031] close(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5029, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5031] <... close resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5031] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 5032 attached ) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5031] write(1, "executing program\n", 18) = 18 [pid 5031] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5031] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] umount2("./926", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] openat(AT_FDCWD, "./926", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] set_robust_list(0x55556c898760, 24 [pid 5031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... openat resumed>) = 3 [pid 5032] <... set_robust_list resumed>) = 0 [pid 307] fstat(3 [pid 5031] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5032] rt_sigprocmask(SIG_SETMASK, [] [pid 5031] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] getdents64(3 [pid 5032] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5032] chdir("./899" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5032] <... chdir resumed>) = 0 [pid 307] umount2("./926/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5031] <... mkdirat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./926/binderfs" [pid 5032] <... prctl resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5031] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] unlink("./926/binderfs" [pid 5032] setpgid(0, 0) = 0 [pid 5032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... unlink resumed>) = 0 [pid 5032] <... openat resumed>) = 3 [pid 5031] <... symlinkat resumed>) = 0 [pid 307] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5032] write(3, "1000", 4) = 4 [pid 5031] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = 0 [pid 5032] close(3 [pid 307] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5031] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... close resumed>) = 0 [pid 5031] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] newfstatat(AT_FDCWD, "./926/config" [pid 5032] symlink("/dev/binderfs", "./binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 5032] <... symlink resumed>) = 0 [pid 5031] <... unlinkat resumed>) = 0 [pid 307] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5032] write(1, "executing program\n", 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... write resumed>) = 18 [pid 5031] exit_group(0 [pid 307] openat(AT_FDCWD, "./926/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] mkdirat(AT_FDCWD, "./config", 0777 [pid 5031] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 5032] <... mkdirat resumed>) = 0 [pid 307] fstat(4 [pid 5032] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5032] <... mount resumed>) = 0 [pid 5031] +++ exited with 0 +++ [pid 310] umount2("./976", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 5032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5031, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5032] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./976", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 3 [pid 307] getdents64(4 [pid 5032] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 309] umount2("./954", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5032] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 5032] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 309] openat(AT_FDCWD, "./954", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5032] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 5032] <... symlinkat resumed>) = 0 executing program [pid 310] umount2("./976/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 307] rmdir("./926/config" [pid 5032] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5032] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./976/binderfs" [pid 309] getdents64(3 [pid 5032] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rmdir resumed>) = 0 [pid 5032] <... unlinkat resumed>) = 0 [pid 310] unlink("./976/binderfs" [pid 309] umount2("./954/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 5032] exit_group(0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5032] <... exit_group resumed>) = ? [pid 310] umount2("./976/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./954/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5032] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] umount2("./976/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./954/binderfs" [pid 307] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./976/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./976/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./976/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./961", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./926" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5032, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = 0 [pid 308] openat(AT_FDCWD, "./961", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(4 [pid 309] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./927", 0777 [pid 308] fstat(3 [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./954/config" [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./976/config") = 0 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] rmdir("./976" [pid 309] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./977", 0777) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] openat(AT_FDCWD, "./954/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./961/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./899", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./899", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5033 attached [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] fstat(4 [pid 308] newfstatat(AT_FDCWD, "./961/binderfs" [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 5034 attached [pid 5033] set_robust_list(0x55556c898760, 24 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5033 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5034] set_robust_list(0x55556c898760, 24 [pid 5033] <... set_robust_list resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5034 [pid 309] getdents64(4 [pid 308] unlink("./961/binderfs" [pid 306] umount2("./899/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5034] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 308] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./899/binderfs" [pid 5033] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5034] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5033] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(4 [pid 306] unlink("./899/binderfs" [pid 5034] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5033] chdir("./927" [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5033] <... chdir resumed>) = 0 [pid 309] rmdir("./954/config" [pid 308] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./899/config" [pid 5033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5034] chdir("./977" [pid 5033] <... prctl resumed>) = 0 [pid 309] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./961/config" [pid 306] umount2("./899/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5034] <... chdir resumed>) = 0 [pid 5033] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5034] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] <... setpgid resumed>) = 0 [pid 309] close(3 [pid 308] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./899/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 5034] <... prctl resumed>) = 0 [pid 5033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] rmdir("./954" [pid 308] openat(AT_FDCWD, "./961/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 309] mkdir("./955", 0777 [pid 308] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./899/config" [pid 5034] setpgid(0, 0 [pid 5033] <... openat resumed>) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 308] fstat(4 [pid 306] <... rmdir resumed>) = 0 [pid 5034] <... setpgid resumed>) = 0 [pid 5033] write(3, "1000", 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 5033] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5034] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5033] close(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(3 [pid 5033] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./899") = 0 [pid 306] mkdir("./900", 0777 [pid 5034] <... openat resumed>) = 3 [pid 5033] symlink("/dev/binderfs", "./binderfs" [pid 308] getdents64(4 [pid 306] <... mkdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5035 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] close(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5034] write(3, "1000", 4 [pid 5033] <... symlink resumed>) = 0 [pid 308] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5036 attached [pid 5034] <... write resumed>) = 4 [pid 5033] write(1, "executing program\n", 18 [pid 308] rmdir("./961/config" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5036 [pid 5034] close(3 [pid 5033] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5035 attached [pid 5035] set_robust_list(0x55556c898760, 24 [pid 308] <... rmdir resumed>) = 0 [pid 5033] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] getdents64(3 [pid 5034] <... close resumed>) = 0 [pid 5035] <... set_robust_list resumed>) = 0 [pid 5035] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 executing program [pid 5035] chdir("./955" [pid 5033] <... mkdirat resumed>) = 0 executing program executing program [pid 5034] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5033] mount(NULL, "./config", "configfs", 0, NULL [pid 5035] <... chdir resumed>) = 0 [pid 308] close(3 [pid 5035] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5033] <... mount resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 5035] <... prctl resumed>) = 0 [pid 5035] setpgid(0, 0) = 0 [pid 5035] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5034] <... symlink resumed>) = 0 [pid 5033] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rmdir("./961" [pid 5034] write(1, "executing program\n", 18 [pid 5033] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5035] <... openat resumed>) = 3 [pid 5035] write(3, "1000", 4 [pid 5033] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 5034] <... write resumed>) = 18 [pid 5033] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] mkdir("./962", 0777 [pid 5035] <... write resumed>) = 4 [pid 5034] mkdirat(AT_FDCWD, "./config", 0777 [pid 5035] close(3) = 0 [pid 5035] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5033] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 5035] write(1, "executing program\n", 18) = 18 [pid 5035] mkdirat(AT_FDCWD, "./config", 0777 [pid 5034] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5035] <... mkdirat resumed>) = 0 [pid 5034] mount(NULL, "./config", "configfs", 0, NULL [pid 5033] <... mkdirat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5033] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5035] mount(NULL, "./config", "configfs", 0, NULL [pid 5034] <... mount resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5035] <... mount resumed>) = 0 [pid 5033] <... symlinkat resumed>) = 0 [pid 5035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5035] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 5035] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 5033] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5035] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5033] <... unlinkat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5037 [pid 5034] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5033] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5035] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5035] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5033] <... unlinkat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5036] set_robust_list(0x55556c898760, 24 [pid 5034] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5033] exit_group(0 [pid 5035] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5035] exit_group(0 [pid 5033] <... exit_group resumed>) = ? [pid 5034] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5035] <... exit_group resumed>) = ? [pid 5035] +++ exited with 0 +++ [pid 5033] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 5037 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5035, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5033, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5037] set_robust_list(0x55556c898760, 24 [pid 5034] <... mkdirat resumed>) = 0 [pid 5037] <... set_robust_list resumed>) = 0 [pid 5037] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5034] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5037] chdir("./962") = 0 [pid 5037] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5037] setpgid(0, 0) = 0 [pid 5037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... restart_syscall resumed>) = 0 [pid 5034] <... symlinkat resumed>) = 0 [pid 5034] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5037] <... openat resumed>) = 3 [pid 5034] <... unlinkat resumed>) = 0 [pid 5037] write(3, "1000", 4 [pid 307] umount2("./927", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5034] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5037] <... write resumed>) = 4 [pid 307] openat(AT_FDCWD, "./927", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5037] close(3 [pid 307] <... openat resumed>) = 3 [pid 5037] <... close resumed>) = 0 [pid 307] fstat(3 [pid 5034] <... unlinkat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5037] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(3 [pid 5037] <... symlink resumed>) = 0 [pid 5034] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5037] write(1, "executing program\n", 18 [pid 307] umount2("./927/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5034] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5037] <... write resumed>) = 18 [pid 307] newfstatat(AT_FDCWD, "./927/binderfs" [pid 5037] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5037] <... mkdirat resumed>) = 0 [pid 5034] +++ exited with 0 +++ [pid 307] unlink("./927/binderfs" [pid 5037] mount(NULL, "./config", "configfs", 0, NULL) = 0 executing program [pid 5037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... unlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5034, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5037] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = 0 [pid 5037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5037] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5037] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] newfstatat(AT_FDCWD, "./927/config" [pid 5037] <... mkdirat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5037] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5037] <... symlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5037] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] openat(AT_FDCWD, "./927/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5037] <... unlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 5037] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] fstat(4 [pid 5037] <... unlinkat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5037] exit_group(0 [pid 307] getdents64(4 [pid 5037] <... exit_group resumed>) = ? [pid 5037] +++ exited with 0 +++ [pid 5036] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5036] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... restart_syscall resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5037, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./955", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./955", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rmdir("./927/config" [pid 5036] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 5036] chdir("./900") = 0 [pid 5036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 307] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 307] close(3 [pid 5036] <... prctl resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... close resumed>) = 0 [pid 309] umount2("./955/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./927" [pid 5036] setpgid(0, 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5036] <... setpgid resumed>) = 0 [pid 5036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] newfstatat(AT_FDCWD, "./955/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 5036] write(3, "1000", 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] mkdir("./928", 0777 [pid 309] unlink("./955/binderfs" [pid 5036] <... write resumed>) = 4 [pid 5036] close(3) = 0 [pid 5036] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... mkdir resumed>) = 0 [pid 5036] write(1, "executing program\n", 18 [pid 309] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5036] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5036] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] newfstatat(AT_FDCWD, "./955/config" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5038 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5036] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./955/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5036] <... mount resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 5036] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] fstat(4 [pid 5036] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5036] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(4 [pid 5036] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5036] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5036] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 5036] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5036] <... symlinkat resumed>) = 0 [pid 309] close(4 [pid 5036] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5038 attached [pid 309] rmdir("./955/config" [pid 5036] <... unlinkat resumed>) = 0 [pid 5038] set_robust_list(0x55556c898760, 24) = 0 [pid 5038] rt_sigprocmask(SIG_SETMASK, [] [pid 5036] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 5038] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5038] chdir("./928" [pid 309] getdents64(3 [pid 5038] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(3 [pid 308] umount2("./962", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 5038] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./955" [pid 308] openat(AT_FDCWD, "./962", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5038] setpgid(0, 0) = 0 [pid 5038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5036] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] mkdir("./956", 0777 [pid 308] fstat(3 [pid 5038] write(3, "1000", 4) = 4 [pid 5038] close(3) = 0 [pid 5038] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5036] exit_group(0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5036] <... exit_group resumed>) = ? [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5038] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5038] <... write resumed>) = 18 [pid 308] umount2("./962/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5038] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] umount2("./977", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5039 [pid 308] newfstatat(AT_FDCWD, "./962/binderfs" [pid 310] openat(AT_FDCWD, "./977", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] unlink("./962/binderfs" [pid 310] fstat(3 [pid 5038] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... unlink resumed>) = 0 [pid 5038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(3 [pid 308] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5038] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = 0 [pid 310] umount2("./977/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./977/binderfs" [pid 308] newfstatat(AT_FDCWD, "./962/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./977/binderfs" [pid 5036] +++ exited with 0 +++ [pid 308] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5036, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./977/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./962/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = 0 [pid 308] <... openat resumed>) = 4 executing program [pid 5038] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./977/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] newfstatat(AT_FDCWD, "./977/config"ci2-android-6-1/strace-static-x86_64: Process 5039 attached [pid 308] getdents64(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5039] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./977/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5039] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 310] openat(AT_FDCWD, "./977/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5039] rt_sigprocmask(SIG_SETMASK, [] [pid 5038] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] close(4 [pid 5038] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(4 [pid 308] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./962/config" [pid 310] getdents64(4 [pid 5039] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5039] chdir("./956") = 0 [pid 5039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(3 [pid 310] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 310] close(4 [pid 5038] <... symlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 5039] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] rmdir("./962" [pid 5038] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rmdir("./977/config" [pid 5039] setpgid(0, 0) = 0 [pid 5039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 5039] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 308] mkdir("./963", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 5038] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 306] umount2("./900", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./900", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... mkdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 5038] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 5038] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] rmdir("./977" [pid 306] umount2("./900/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./900/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./900/binderfs") = 0 [pid 306] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5039] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rmdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5040 [pid 5038] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5040 attached [pid 5038] <... exit_group resumed>) = ? [pid 310] mkdir("./978", 0777 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./900/config" [pid 5039] <... write resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5039] close(3 [pid 306] umount2("./900/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5039] <... close resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5039] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] openat(AT_FDCWD, "./900/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5040] set_robust_list(0x55556c898760, 24 [pid 5039] <... symlink resumed>) = 0 [pid 5038] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 4 [pid 5040] <... set_robust_list resumed>) = 0 [pid 5039] write(1, "executing program\n", 18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5038, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 306] fstat(4 [pid 5039] <... write resumed>) = 18 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5039] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 5041 attached [pid 5040] rt_sigprocmask(SIG_SETMASK, [] [pid 5039] <... mkdirat resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5041] set_robust_list(0x55556c898760, 24 [pid 5040] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5039] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5041 [pid 306] getdents64(4 [pid 5041] <... set_robust_list resumed>) = 0 [pid 5040] chdir("./963" [pid 5039] <... mount resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5041] rt_sigprocmask(SIG_SETMASK, [] [pid 5040] <... chdir resumed>) = 0 [pid 5039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(4 [pid 5041] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5040] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5039] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... close resumed>) = 0 [pid 5041] chdir("./978" [pid 5040] <... prctl resumed>) = 0 [pid 5039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] rmdir("./900/config" [pid 5041] <... chdir resumed>) = 0 [pid 5040] setpgid(0, 0 [pid 5039] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 5041] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5040] <... setpgid resumed>) = 0 [pid 5039] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(3 [pid 5041] <... prctl resumed>) = 0 [pid 5040] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5039] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5041] setpgid(0, 0 [pid 5040] <... openat resumed>) = 3 [pid 5039] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] close(3 [pid 5041] <... setpgid resumed>) = 0 [pid 5040] write(3, "1000", 4 [pid 5039] <... symlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5041] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5040] <... write resumed>) = 4 [pid 5039] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rmdir("./900" [pid 5041] <... openat resumed>) = 3 [pid 5040] close(3 [pid 5039] <... unlinkat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5041] write(3, "1000", 4 [pid 5040] <... close resumed>) = 0 [pid 5039] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] mkdir("./901", 0777 [pid 5041] <... write resumed>) = 4 [pid 5040] symlink("/dev/binderfs", "./binderfs" [pid 5039] <... unlinkat resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 5040] <... symlink resumed>) = 0 [pid 5039] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5041] close(3 [pid 5040] write(1, "executing program\n", 18 [pid 5039] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 5041] <... close resumed>) = 0 [pid 5040] <... write resumed>) = 18 [pid 5039] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5042 attached [pid 5041] symlink("/dev/binderfs", "./binderfs" [pid 5040] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5042 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5042] set_robust_list(0x55556c898760, 24 [pid 5041] <... symlink resumed>) = 0 [pid 5040] <... mkdirat resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5039, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5042] <... set_robust_list resumed>) = 0 [pid 5041] write(1, "executing program\n", 18 [pid 5040] mount(NULL, "./config", "configfs", 0, NULL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5041] <... write resumed>) = 18 [pid 5040] <... mount resumed>) = 0 [pid 5042] rt_sigprocmask(SIG_SETMASK, [] [pid 5040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5042] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5041] mkdirat(AT_FDCWD, "./config", 0777 [pid 5040] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5040] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5042] chdir("./901" [pid 5040] <... mkdirat resumed>) = 0 [pid 5040] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5041] <... mkdirat resumed>) = 0 [pid 5042] <... chdir resumed>) = 0 [pid 5042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5041] mount(NULL, "./config", "configfs", 0, NULL [pid 5040] <... symlinkat resumed>) = 0 [pid 309] umount2("./956", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./928", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5040] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5042] <... prctl resumed>) = 0 [pid 5040] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./956", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./928", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5040] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 5042] setpgid(0, 0 [pid 5040] <... unlinkat resumed>) = 0 [pid 309] fstat(3 [pid 307] fstat(3 [pid 5042] <... setpgid resumed>) = 0 [pid 5040] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5040] <... exit_group resumed>) = ? [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 5042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5042] write(3, "1000", 4 [pid 5040] +++ exited with 0 +++ [pid 309] umount2("./956/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./928/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5041] <... mount resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5040, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5042] <... write resumed>) = 4 [pid 5041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5042] close(3 [pid 5041] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./956/binderfs" [pid 307] newfstatat(AT_FDCWD, "./928/binderfs" [pid 5041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5041] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./956/binderfs" [pid 5041] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] unlink("./928/binderfs" [pid 5042] <... close resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 5042] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 5042] <... symlink resumed>) = 0 [pid 5041] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5041] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5042] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./956/config" [pid 307] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5041] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5041] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./928/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5041] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./956/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5041] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... openat resumed>) = 4 [pid 307] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./928/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 309] getdents64(4 [pid 5042] <... write resumed>) = 18 [pid 5041] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... openat resumed>) = 4 [pid 5042] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5041] exit_group(0 [pid 309] getdents64(4 [pid 307] fstat(4 [pid 5042] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5041] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5042] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] close(4 [pid 5042] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(4 [pid 5042] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... close resumed>) = 0 [pid 5042] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./956/config" [pid 5042] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] getdents64(4 [pid 5042] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 5042] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5041] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5042] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 5042] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] close(4 [pid 5042] <... unlinkat resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5041, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5042] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... close resumed>) = 0 [pid 5042] <... unlinkat resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] close(3 [pid 5042] exit_group(0 [pid 307] rmdir("./928/config" [pid 5042] <... exit_group resumed>) = ? [pid 309] <... close resumed>) = 0 [pid 5042] +++ exited with 0 +++ [pid 309] rmdir("./956" [pid 307] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5042, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] mkdir("./957", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 306] umount2("./901", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./928" [pid 306] openat(AT_FDCWD, "./901", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 307] mkdir("./929", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./901/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./901/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5043 attached [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5043 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5043] set_robust_list(0x55556c898760, 24 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] unlink("./901/binderfs" [pid 5043] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./901/config" [pid 5043] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 5044 attached [pid 5043] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5044 [pid 306] umount2("./901/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5043] chdir("./957" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5044] set_robust_list(0x55556c898760, 24 [pid 5043] <... chdir resumed>) = 0 [pid 308] umount2("./963", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./901/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5044] <... set_robust_list resumed>) = 0 [pid 5043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 5043] <... prctl resumed>) = 0 [pid 308] openat(AT_FDCWD, "./963", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5044] rt_sigprocmask(SIG_SETMASK, [] [pid 5043] setpgid(0, 0 [pid 308] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 5044] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5043] <... setpgid resumed>) = 0 [pid 308] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5044] chdir("./929" [pid 5043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5043] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(4 [pid 5044] <... chdir resumed>) = 0 [pid 5043] write(3, "1000", 4 [pid 310] umount2("./978", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./963/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 5044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5043] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./901/config" [pid 5044] <... prctl resumed>) = 0 [pid 5043] close(3 [pid 310] openat(AT_FDCWD, "./978", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] newfstatat(AT_FDCWD, "./963/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 5044] setpgid(0, 0 [pid 5043] <... close resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 5044] <... setpgid resumed>) = 0 [pid 5043] symlink("/dev/binderfs", "./binderfs" [pid 310] fstat(3 [pid 308] unlink("./963/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 308] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./901" [pid 5044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5043] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5044] <... openat resumed>) = 3 [pid 5043] write(1, "executing program\n", 18 [pid 310] umount2("./978/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 306] mkdir("./902", 0777 [pid 5044] write(3, "1000", 4 [pid 5043] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 5044] <... write resumed>) = 4 [pid 5043] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./978/binderfs" [pid 308] newfstatat(AT_FDCWD, "./963/config" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5044] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] unlink("./978/binderfs" [pid 308] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5045 attached [pid 5044] <... close resumed>) = 0 [pid 5043] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5045] set_robust_list(0x55556c898760, 24 [pid 5044] symlink("/dev/binderfs", "./binderfs" [pid 5043] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./978/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./963/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5045 [pid 5045] <... set_robust_list resumed>) = 0 [pid 5043] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5045] rt_sigprocmask(SIG_SETMASK, [] [pid 5044] <... symlink resumed>) = 0 [pid 5043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./978/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5045] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5044] write(1, "executing program\n", 18 [pid 5043] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 5044] <... write resumed>) = 18 [pid 5043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./978/config" [pid 308] getdents64(4 [pid 5045] chdir("./902" [pid 5043] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5043] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./978/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5045] <... chdir resumed>) = 0 [pid 5044] mkdirat(AT_FDCWD, "./config", 0777 [pid 5043] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 5043] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./978/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5043] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] close(4 [pid 5043] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(4 [pid 308] <... close resumed>) = 0 [pid 5043] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./963/config" [pid 5045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5044] <... mkdirat resumed>) = 0 [pid 5043] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 5045] <... prctl resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 5045] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(3 [pid 5045] <... setpgid resumed>) = 0 [pid 5043] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5044] mount(NULL, "./config", "configfs", 0, NULL [pid 5043] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 5043] <... exit_group resumed>) = ? [pid 310] close(4 [pid 308] <... close resumed>) = 0 [pid 5045] <... openat resumed>) = 3 [pid 5045] write(3, "1000", 4 [pid 5043] +++ exited with 0 +++ [pid 5045] <... write resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5043, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rmdir("./963" [pid 310] rmdir("./978/config" [pid 5045] close(3) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5045] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5044] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 5045] write(1, "executing program\n", 18 [pid 5044] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./964", 0777 [pid 310] close(3 [pid 5045] <... write resumed>) = 18 [pid 5045] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 5044] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./978" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 5044] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5045] <... mkdirat resumed>) = 0 [pid 5044] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] mkdir("./979", 0777 [pid 5044] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5045] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 5045] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5045] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5044] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5046 ci2-android-6-1/strace-static-x86_64: Process 5046 attached [pid 5045] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5044] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5046] set_robust_list(0x55556c898760, 24 [pid 5045] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5044] <... symlinkat resumed>) = 0 [pid 5045] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 5045] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-6-1/strace-static-x86_64: Process 5047 attached [pid 5046] <... set_robust_list resumed>) = 0 [pid 5045] <... unlinkat resumed>) = 0 [pid 5044] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5047] set_robust_list(0x55556c898760, 24 [pid 5046] rt_sigprocmask(SIG_SETMASK, [] [pid 5045] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5044] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5047 [pid 5047] <... set_robust_list resumed>) = 0 [pid 5046] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5044] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5045] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5044] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5046] chdir("./964" [pid 5044] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5046] <... chdir resumed>) = 0 [pid 5044] <... exit_group resumed>) = ? [pid 5046] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5045] exit_group(0) = ? [pid 5047] rt_sigprocmask(SIG_SETMASK, [] [pid 5046] <... prctl resumed>) = 0 [pid 5045] +++ exited with 0 +++ [pid 5044] +++ exited with 0 +++ [pid 5047] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5046] setpgid(0, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5045, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5047] chdir("./979" [pid 5046] <... setpgid resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5044, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5047] <... chdir resumed>) = 0 [pid 5046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5047] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5046] <... openat resumed>) = 3 [pid 5047] setpgid(0, 0 [pid 5046] write(3, "1000", 4 [pid 5047] <... setpgid resumed>) = 0 [pid 5046] <... write resumed>) = 4 [pid 5047] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5046] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 5046] <... close resumed>) = 0 [pid 5047] <... openat resumed>) = 3 [pid 5046] symlink("/dev/binderfs", "./binderfs" [pid 5047] write(3, "1000", 4 [pid 306] umount2("./902", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5047] <... write resumed>) = 4 [pid 5046] <... symlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5047] close(3 [pid 5046] write(1, "executing program\n", 18 executing program [pid 306] openat(AT_FDCWD, "./902", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5047] <... close resumed>) = 0 [pid 5046] <... write resumed>) = 18 [pid 306] <... openat resumed>) = 3 [pid 5047] symlink("/dev/binderfs", "./binderfs" [pid 5046] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 5046] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./902/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5047] <... symlink resumed>) = 0 [pid 5046] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./902/binderfs" [pid 5046] <... mount resumed>) = 0 [pid 5047] write(1, "executing program\n", 18 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 5047] <... write resumed>) = 18 [pid 5046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] unlink("./902/binderfs" [pid 5047] mkdirat(AT_FDCWD, "./config", 0777 [pid 5046] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... unlink resumed>) = 0 [pid 5046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5047] <... mkdirat resumed>) = 0 [pid 5046] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = 0 [pid 5047] mount(NULL, "./config", "configfs", 0, NULL [pid 5046] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5046] <... mkdirat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./902/config" [pid 5046] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5047] <... mount resumed>) = 0 [pid 5046] <... symlinkat resumed>) = 0 [pid 309] umount2("./957", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./902/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5046] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5047] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5046] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./957", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./902/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5046] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 4 [pid 309] fstat(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] fstat(4 [pid 5046] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 306] getdents64(4 [pid 5047] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5046] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./929", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5047] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5046] <... exit_group resumed>) = ? [pid 309] umount2("./957/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./929", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./957/binderfs" [pid 307] <... openat resumed>) = 3 [pid 306] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(3 [pid 306] <... close resumed>) = 0 [pid 5046] +++ exited with 0 +++ [pid 309] unlink("./957/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./902/config" [pid 309] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 309] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5046, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 5047] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./929/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5047] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 5047] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./929/binderfs" [pid 306] <... close resumed>) = 0 [pid 5047] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] newfstatat(AT_FDCWD, "./957/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./902" [pid 5047] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./929/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 5047] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./964", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./903", 0777 [pid 5047] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 5047] exit_group(0 [pid 309] openat(AT_FDCWD, "./957/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./964", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5047] <... exit_group resumed>) = ? [pid 309] <... openat resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] fstat(4 [pid 308] fstat(3 [pid 307] <... umount2 resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5048 attached [pid 5047] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5048] set_robust_list(0x55556c898760, 24 [pid 309] getdents64(4 [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5048 [pid 5048] <... set_robust_list resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5047, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] newfstatat(AT_FDCWD, "./929/config" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5048] rt_sigprocmask(SIG_SETMASK, [] [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(4 [pid 308] umount2("./964/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5048] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5048] chdir("./903" [pid 309] close(4 [pid 308] newfstatat(AT_FDCWD, "./964/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./929/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./957/config" [pid 5048] <... chdir resumed>) = 0 [pid 308] unlink("./964/binderfs" [pid 307] <... openat resumed>) = 4 [pid 5048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rmdir resumed>) = 0 [pid 5048] <... prctl resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] fstat(4 [pid 5048] setpgid(0, 0 [pid 309] getdents64(3 [pid 308] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5048] <... setpgid resumed>) = 0 [pid 309] close(3 [pid 308] <... umount2 resumed>) = 0 [pid 307] getdents64(4 [pid 308] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 309] rmdir("./957" [pid 308] newfstatat(AT_FDCWD, "./964/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5048] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(4 [pid 5048] write(3, "1000", 4 [pid 309] mkdir("./958", 0777 [pid 308] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 5048] <... write resumed>) = 4 [pid 5048] close(3) = 0 [pid 5048] symlink("/dev/binderfs", "./binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 307] rmdir("./929/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5048] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] openat(AT_FDCWD, "./964/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 5048] write(1, "executing program\n", 18 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... openat resumed>) = 4 [pid 307] getdents64(3 [pid 308] fstat(4 [pid 5048] <... write resumed>) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 5048] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] getdents64(4 [pid 307] close(3ci2-android-6-1/strace-static-x86_64: Process 5049 attached [pid 5048] <... mkdirat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5049 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... close resumed>) = 0 [pid 5049] set_robust_list(0x55556c898760, 24 [pid 5048] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(4 [pid 307] rmdir("./929" [pid 5049] <... set_robust_list resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5048] <... mount resumed>) = 0 [pid 308] close(4 [pid 307] <... rmdir resumed>) = 0 [pid 5049] rt_sigprocmask(SIG_SETMASK, [] [pid 5048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5049] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 307] mkdir("./930", 0777 [pid 308] rmdir("./964/config" [pid 5048] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 5048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5049] chdir("./958" [pid 308] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5049] <... chdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5049] <... prctl resumed>) = 0 [pid 308] close(3 [pid 5048] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5049] setpgid(0, 0 [pid 5048] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 5049] <... setpgid resumed>) = 0 [pid 308] rmdir("./964" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5050 [pid 5048] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rmdir resumed>) = 0 [pid 5048] <... symlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] mkdir("./965", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5048] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5048] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 5049] <... openat resumed>) = 3 [pid 5048] <... unlinkat resumed>) = 0 [pid 5049] write(3, "1000", 4 [pid 5048] exit_group(0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5049] <... write resumed>) = 4 [pid 5048] <... exit_group resumed>) = ? [pid 5049] close(3 [pid 5048] +++ exited with 0 +++ [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5049] <... close resumed>) = 0 [pid 310] umount2("./979", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5048, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5049] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>) = 0 [pid 310] openat(AT_FDCWD, "./979", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5051 [pid 306] umount2("./903", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5051 attached [pid 5049] <... symlink resumed>) = 0 [pid 310] fstat(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] write(1, "executing program\n", 18 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 306] openat(AT_FDCWD, "./903", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] set_robust_list(0x55556c898760, 24 [pid 5049] <... write resumed>) = 18 [pid 310] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] fstat(3 [pid 310] umount2("./979/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5051] <... set_robust_list resumed>) = 0 [pid 5049] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./979/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./903/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5049] <... mkdirat resumed>) = 0 [pid 310] unlink("./979/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./903/binderfs" [pid 5051] rt_sigprocmask(SIG_SETMASK, [] [pid 5049] <... mount resumed>) = 0 [pid 310] umount2("./979/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5051] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 306] unlink("./903/binderfs" [pid 5051] chdir("./965" [pid 5049] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./979/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 5051] <... chdir resumed>) = 0 [pid 5049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5051] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5049] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./979/config" [pid 306] <... umount2 resumed>) = 0 [pid 5051] <... prctl resumed>) = 0 [pid 5049] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5051] setpgid(0, 0 [pid 310] umount2("./979/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5049] <... mkdirat resumed>) = 0 [pid 5051] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./903/config" [pid 5051] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5049] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./979/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 5050 attached [pid 5049] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 5051] <... openat resumed>) = 3 [pid 306] umount2("./903/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5051] write(3, "1000", 4 [pid 5050] set_robust_list(0x55556c898760, 24 [pid 5049] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5051] <... write resumed>) = 4 [pid 5050] <... set_robust_list resumed>) = 0 [pid 5049] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./903/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5051] close(3 [pid 5050] rt_sigprocmask(SIG_SETMASK, [] [pid 5049] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 5051] <... close resumed>) = 0 [pid 5050] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] fstat(4 [pid 5051] symlink("/dev/binderfs", "./binderfs" [pid 5050] chdir("./930" [pid 5049] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5049] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 5051] <... symlink resumed>) = 0 [pid 5050] <... chdir resumed>) = 0 [pid 5049] <... exit_group resumed>) = ? [pid 310] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 310] rmdir("./979/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] rmdir("./903/config" [pid 5049] +++ exited with 0 +++ [pid 5050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 5051] write(1, "executing program\n", 18 [pid 5050] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5049, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 306] getdents64(3 [pid 5051] <... write resumed>) = 18 [pid 5050] setpgid(0, 0 [pid 310] close(3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5051] mkdirat(AT_FDCWD, "./config", 0777 [pid 5050] <... setpgid resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] close(3 [pid 5050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rmdir("./979" [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./903" [pid 5050] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./904", 0777 [pid 5051] <... mkdirat resumed>) = 0 [pid 5050] write(3, "1000", 4 [pid 310] mkdir("./980", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 5051] mount(NULL, "./config", "configfs", 0, NULL [pid 5050] <... write resumed>) = 4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5050] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5052 attached [pid 5051] <... mount resumed>) = 0 [pid 5050] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5052] set_robust_list(0x55556c898760, 24 [pid 5051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5050] symlink("/dev/binderfs", "./binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5052 [pid 5052] <... set_robust_list resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5051] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5053 [pid 5052] rt_sigprocmask(SIG_SETMASK, [] [pid 5051] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5050] <... symlink resumed>) = 0 [pid 5052] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5051] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5052] chdir("./904" [pid 5051] <... mkdirat resumed>) = 0 [pid 5050] write(1, "executing program\n", 18 [pid 5052] <... chdir resumed>) = 0 executing program [pid 5051] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5052] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5051] <... symlinkat resumed>) = 0 [pid 5050] <... write resumed>) = 18 [pid 5052] <... prctl resumed>) = 0 [pid 5051] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5052] setpgid(0, 0 [pid 5051] <... unlinkat resumed>) = 0 [pid 5050] mkdirat(AT_FDCWD, "./config", 0777 [pid 5052] <... setpgid resumed>) = 0 [pid 5051] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5051] exit_group(0) = ? [pid 5050] <... mkdirat resumed>) = 0 [pid 5052] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5051] +++ exited with 0 +++ [pid 5050] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5051, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5052] <... openat resumed>) = 3 [pid 5050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5052] write(3, "1000", 4 [pid 5050] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5052] <... write resumed>) = 4 [pid 5050] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5052] close(3ci2-android-6-1/strace-static-x86_64: Process 5053 attached ) = 0 [pid 5050] <... mkdirat resumed>) = 0 [pid 5053] set_robust_list(0x55556c898760, 24 [pid 5052] symlink("/dev/binderfs", "./binderfs" [pid 5050] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5053] <... set_robust_list resumed>) = 0 [pid 5050] <... symlinkat resumed>) = 0 [pid 5050] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5053] rt_sigprocmask(SIG_SETMASK, [] [pid 5052] <... symlink resumed>) = 0 [pid 5050] <... unlinkat resumed>) = 0 [pid 5052] write(1, "executing program\n", 18 [pid 5050] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5053] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5052] <... write resumed>) = 18 [pid 5050] <... unlinkat resumed>) = 0 executing program [pid 5053] chdir("./980" [pid 5050] exit_group(0 [pid 5052] mkdirat(AT_FDCWD, "./config", 0777 [pid 5050] <... exit_group resumed>) = ? [pid 309] <... restart_syscall resumed>) = 0 [pid 5053] <... chdir resumed>) = 0 [pid 5053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] umount2("./958", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./958", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5053] <... prctl resumed>) = 0 [pid 309] fstat(3 [pid 5050] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5053] setpgid(0, 0) = 0 [pid 309] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5050, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./958/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5053] <... openat resumed>) = 3 [pid 5052] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] write(3, "1000", 4 [pid 5052] mount(NULL, "./config", "configfs", 0, NULL [pid 309] newfstatat(AT_FDCWD, "./958/binderfs" [pid 5053] <... write resumed>) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5052] <... mount resumed>) = 0 [pid 309] unlink("./958/binderfs" [pid 5052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5053] close(3 [pid 309] <... unlink resumed>) = 0 [pid 5052] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5053] <... close resumed>) = 0 [pid 5052] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 5053] symlink("/dev/binderfs", "./binderfs" executing program [pid 309] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5053] <... symlink resumed>) = 0 [pid 5052] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] write(1, "executing program\n", 18) = 18 [pid 5053] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] newfstatat(AT_FDCWD, "./958/config" [pid 5053] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5053] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5053] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] openat(AT_FDCWD, "./958/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 5053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] fstat(4 [pid 5053] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5053] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 5053] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5052] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 5053] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5052] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5053] <... symlinkat resumed>) = 0 [pid 5052] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] close(4 [pid 307] umount2("./930", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./958/config" [pid 307] openat(AT_FDCWD, "./930", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5053] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5052] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5053] <... unlinkat resumed>) = 0 [pid 5052] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5053] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5052] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5053] <... unlinkat resumed>) = 0 [pid 5052] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 5053] exit_group(0 [pid 5052] exit_group(0 [pid 309] getdents64(3 [pid 307] fstat(3 [pid 5053] <... exit_group resumed>) = ? [pid 5052] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5053] +++ exited with 0 +++ [pid 5052] +++ exited with 0 +++ [pid 309] close(3 [pid 307] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5052, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5053, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] rmdir("./958" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./930/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./980", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./959", 0777 [pid 307] newfstatat(AT_FDCWD, "./930/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./980", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./965", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./930/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./980/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./980/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./980/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... unlink resumed>) = 0 [pid 310] umount2("./980/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./965", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./980/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./980/config" [pid 308] fstat(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./980/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./980/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5054 attached ) = 4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5054 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5054] set_robust_list(0x55556c898760, 24 [pid 310] fstat(4 [pid 5054] <... set_robust_list resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5054] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] newfstatat(AT_FDCWD, "./930/config" [pid 5054] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./965/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] chdir("./959" [pid 310] close(4 [pid 5054] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5054] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rmdir("./980/config" [pid 308] newfstatat(AT_FDCWD, "./965/binderfs" [pid 5054] <... prctl resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] setpgid(0, 0 [pid 310] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5054] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./930/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] close(3 [pid 308] unlink("./965/binderfs" [pid 310] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] rmdir("./980" [pid 5054] <... openat resumed>) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] fstat(4 [pid 5054] write(3, "1000", 4 [pid 310] mkdir("./981", 0777 [pid 308] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5054] <... write resumed>) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5054] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = 0 [pid 5054] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(4 [pid 5054] symlink("/dev/binderfs", "./binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5055 attached [pid 5054] <... symlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5055] set_robust_list(0x55556c898760, 24 [pid 5054] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5055 executing program [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] <... set_robust_list resumed>) = 0 [pid 5054] <... write resumed>) = 18 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 5055] rt_sigprocmask(SIG_SETMASK, [] [pid 5054] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./965/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5055] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(4 [pid 308] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5055] chdir("./981" [pid 5054] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./930/config" [pid 5055] <... chdir resumed>) = 0 [pid 5054] mount(NULL, "./config", "configfs", 0, NULL [pid 308] openat(AT_FDCWD, "./965/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5054] <... mount resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./904", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5055] <... prctl resumed>) = 0 [pid 5054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] fstat(4 [pid 307] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5054] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5055] setpgid(0, 0 [pid 306] openat(AT_FDCWD, "./904", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5055] <... setpgid resumed>) = 0 [pid 5054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(4 [pid 307] close(3 [pid 306] <... openat resumed>) = 3 [pid 5054] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... close resumed>) = 0 [pid 306] fstat(3 [pid 5055] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5054] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] getdents64(4 [pid 307] rmdir("./930" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 308] close(4 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5054] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] mkdir("./931", 0777 [pid 306] umount2("./904/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5054] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rmdir("./965/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./904/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] unlink("./904/binderfs" [pid 5055] <... openat resumed>) = 3 [pid 5054] <... symlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5055] write(3, "1000", 4 [pid 5054] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5055] <... write resumed>) = 4 [pid 5054] <... unlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5056 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5055] close(3 [pid 5054] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rmdir("./965" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./904/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./904/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5055] <... close resumed>) = 0 [pid 5054] <... unlinkat resumed>) = 0 [pid 308] mkdir("./966", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./904/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] <... mkdir resumed>) = 0 [pid 306] fstat(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5055] symlink("/dev/binderfs", "./binderfs" [pid 5054] exit_group(0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(4 [pid 5054] <... exit_group resumed>) = ? [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 306] rmdir("./904/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5057 [pid 306] <... rmdir resumed>) = 0 [pid 5054] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 5055] <... symlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 5057 attached [pid 5055] write(1, "executing program\n", 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5054, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 306] close(3 [pid 5057] set_robust_list(0x55556c898760, 24 [pid 5055] <... write resumed>) = 18 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... close resumed>) = 0 [pid 5057] <... set_robust_list resumed>) = 0 [pid 5055] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] rmdir("./904" [pid 5055] <... mkdirat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5057] rt_sigprocmask(SIG_SETMASK, [] [pid 5055] mount(NULL, "./config", "configfs", 0, NULL [pid 306] mkdir("./905", 0777 [pid 5057] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5055] <... mount resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 5057] chdir("./966" [pid 5055] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5057] <... chdir resumed>) = 0 [pid 5055] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5055] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5058 attached [pid 5057] <... prctl resumed>) = 0 [pid 5055] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5058] set_robust_list(0x55556c898760, 24 [pid 5057] setpgid(0, 0 [pid 5055] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5058 [pid 5058] <... set_robust_list resumed>) = 0 [pid 5057] <... setpgid resumed>) = 0 [pid 5055] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 5056 attached [pid 5057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5055] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5058] rt_sigprocmask(SIG_SETMASK, [] [pid 5057] <... openat resumed>) = 3 [pid 5056] set_robust_list(0x55556c898760, 24 [pid 5055] <... symlinkat resumed>) = 0 [pid 5058] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5057] write(3, "1000", 4 [pid 5056] <... set_robust_list resumed>) = 0 [pid 5055] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5057] <... write resumed>) = 4 [pid 5058] chdir("./905" [pid 5057] close(3 [pid 5056] rt_sigprocmask(SIG_SETMASK, [] [pid 5055] <... unlinkat resumed>) = 0 [pid 5058] <... chdir resumed>) = 0 [pid 5057] <... close resumed>) = 0 [pid 5055] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5058] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5057] symlink("/dev/binderfs", "./binderfs" [pid 5056] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5055] <... unlinkat resumed>) = 0 [pid 5058] <... prctl resumed>) = 0 [pid 5057] <... symlink resumed>) = 0 [pid 5056] chdir("./931" [pid 5055] exit_group(0 [pid 5058] setpgid(0, 0 [pid 5057] write(1, "executing program\n", 18 [pid 5058] <... setpgid resumed>) = 0 [pid 5055] <... exit_group resumed>) = ? [pid 5057] <... write resumed>) = 18 executing program [pid 5056] <... chdir resumed>) = 0 [pid 5056] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5056] setpgid(0, 0 [pid 5055] +++ exited with 0 +++ [pid 5057] mkdirat(AT_FDCWD, "./config", 0777 [pid 5056] <... setpgid resumed>) = 0 [pid 5056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5055, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5057] <... mkdirat resumed>) = 0 [pid 5056] <... openat resumed>) = 3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5058] <... openat resumed>) = 3 [pid 5057] mount(NULL, "./config", "configfs", 0, NULL [pid 5056] write(3, "1000", 4 [pid 5058] write(3, "1000", 4) = 4 [pid 5057] <... mount resumed>) = 0 [pid 5056] <... write resumed>) = 4 [pid 5058] close(3 [pid 5057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5056] close(3 [pid 5058] <... close resumed>) = 0 [pid 5057] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5058] symlink("/dev/binderfs", "./binderfs" [pid 5057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5056] <... close resumed>) = 0 [pid 5058] <... symlink resumed>) = 0 [pid 5057] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5058] write(1, "executing program\n", 18 [pid 5057] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5058] <... write resumed>) = 18 executing program [pid 5056] symlink("/dev/binderfs", "./binderfs" [pid 5057] <... mkdirat resumed>) = 0 [pid 5058] mkdirat(AT_FDCWD, "./config", 0777 [pid 5057] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5056] <... symlink resumed>) = 0 [pid 5056] write(1, "executing program\n", 18 [pid 5057] <... symlinkat resumed>) = 0 executing program [pid 5056] <... write resumed>) = 18 [pid 5058] <... mkdirat resumed>) = 0 [pid 5057] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5056] mkdirat(AT_FDCWD, "./config", 0777 [pid 5058] mount(NULL, "./config", "configfs", 0, NULL [pid 5057] <... unlinkat resumed>) = 0 [pid 5056] <... mkdirat resumed>) = 0 [pid 5057] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5056] mount(NULL, "./config", "configfs", 0, NULL [pid 5057] <... unlinkat resumed>) = 0 [pid 5058] <... mount resumed>) = 0 [pid 5057] exit_group(0 [pid 5056] <... mount resumed>) = 0 [pid 5058] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5057] <... exit_group resumed>) = ? [pid 5056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 5056] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5057] +++ exited with 0 +++ [pid 5056] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./959", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5058] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5056] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5056] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] openat(AT_FDCWD, "./959", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5057, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5058] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5056] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5058] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 5058] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5058] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(3 [pid 5056] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5058] <... symlinkat resumed>) = 0 [pid 5056] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 5058] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5056] exit_group(0 [pid 309] umount2("./959/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./966", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5058] <... unlinkat resumed>) = 0 [pid 5056] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5056] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./959/binderfs" [pid 308] openat(AT_FDCWD, "./966", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5056, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] unlink("./959/binderfs" [pid 308] <... openat resumed>) = 3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 308] fstat(3 [pid 5058] <... unlinkat resumed>) = 0 [pid 309] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5058] exit_group(0 [pid 309] <... umount2 resumed>) = 0 [pid 308] getdents64(3 [pid 5058] <... exit_group resumed>) = ? [pid 309] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] newfstatat(AT_FDCWD, "./959/config" [pid 308] umount2("./966/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./966/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5058] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 309] openat(AT_FDCWD, "./959/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] unlink("./966/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5058, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(4 [pid 308] <... unlink resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] umount2("./981", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./981", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./905", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./966/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./905", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] rmdir("./959/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 310] umount2("./981/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./966/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./981/binderfs" [pid 309] getdents64(3 [pid 308] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] fstat(4 [pid 306] umount2("./905/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./981/binderfs" [pid 309] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./905/binderfs" [pid 310] umount2("./981/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./959" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] unlink("./905/binderfs" [pid 310] umount2("./981/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 306] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./960", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./981/config" [pid 308] close(4 [pid 307] umount2("./931", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./981/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... mkdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./966/config" [pid 307] openat(AT_FDCWD, "./931", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] newfstatat(AT_FDCWD, "./905/config" [pid 310] openat(AT_FDCWD, "./981/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] umount2("./905/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 308] getdents64(3 [pid 307] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./905/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 5059 attached [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5059 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 306] fstat(4 [pid 5059] set_robust_list(0x55556c898760, 24 [pid 310] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5059] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(4 [pid 5059] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(4 [pid 308] rmdir("./966" [pid 307] umount2("./931/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5059] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 310] rmdir("./981/config" [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5059] chdir("./960" [pid 310] <... rmdir resumed>) = 0 [pid 308] mkdir("./967", 0777 [pid 307] newfstatat(AT_FDCWD, "./931/binderfs" [pid 306] close(4 [pid 5059] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./905/config" [pid 5059] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 307] unlink("./931/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 5059] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 5059] setpgid(0, 0 [pid 310] rmdir("./981" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5059] <... setpgid resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = 0 [pid 306] close(3 [pid 310] mkdir("./982", 0777 [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5060 attached [pid 5059] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 307] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./905" [pid 5060] set_robust_list(0x55556c898760, 24 [pid 5059] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5060 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 5060] <... set_robust_list resumed>) = 0 [pid 5059] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] newfstatat(AT_FDCWD, "./931/config" [pid 306] mkdir("./906", 0777 [pid 5060] rt_sigprocmask(SIG_SETMASK, [] [pid 5059] <... write resumed>) = 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5061 attached [pid 5060] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5059] close(3 [pid 307] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5061] set_robust_list(0x55556c898760, 24 [pid 5060] chdir("./967" [pid 5059] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5061 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5061] <... set_robust_list resumed>) = 0 [pid 5060] <... chdir resumed>) = 0 [pid 5059] symlink("/dev/binderfs", "./binderfs" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./931/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5062 attached [pid 5061] rt_sigprocmask(SIG_SETMASK, [] [pid 5060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5059] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 307] <... openat resumed>) = 4 [pid 5062] set_robust_list(0x55556c898760, 24 [pid 5061] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5060] <... prctl resumed>) = 0 [pid 5059] write(1, "executing program\n", 18 [pid 307] fstat(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5062 [pid 5062] <... set_robust_list resumed>) = 0 [pid 5061] chdir("./982" [pid 5060] setpgid(0, 0 [pid 5059] <... write resumed>) = 18 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5062] rt_sigprocmask(SIG_SETMASK, [] [pid 5061] <... chdir resumed>) = 0 [pid 5060] <... setpgid resumed>) = 0 [pid 5059] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5062] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5062] chdir("./906" [pid 5059] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 5062] <... chdir resumed>) = 0 [pid 5061] <... prctl resumed>) = 0 [pid 5060] <... openat resumed>) = 3 [pid 5059] mount(NULL, "./config", "configfs", 0, NULL [pid 5062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] setpgid(0, 0 [pid 5060] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5062] <... prctl resumed>) = 0 [pid 5061] <... setpgid resumed>) = 0 [pid 5060] <... write resumed>) = 4 [pid 5059] <... mount resumed>) = 0 [pid 307] close(4 [pid 5062] setpgid(0, 0 [pid 5060] close(3 [pid 5059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... close resumed>) = 0 [pid 5062] <... setpgid resumed>) = 0 [pid 5061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5060] <... close resumed>) = 0 [pid 5059] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rmdir("./931/config" [pid 5060] symlink("/dev/binderfs", "./binderfs" [pid 5059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 5062] <... openat resumed>) = 3 [pid 5060] <... symlink resumed>) = 0 [pid 5059] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(3 [pid 5061] <... openat resumed>) = 3 [pid 5060] write(1, "executing program\n", 18 [pid 5059] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5061] write(3, "1000", 4 [pid 5060] <... write resumed>) = 18 executing program [pid 5062] write(3, "1000", 4 [pid 5059] <... mkdirat resumed>) = 0 [pid 5062] <... write resumed>) = 4 [pid 5061] <... write resumed>) = 4 [pid 5060] mkdirat(AT_FDCWD, "./config", 0777 [pid 5059] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] close(3 [pid 5061] close(3 [pid 5062] close(3) = 0 [pid 5060] <... mkdirat resumed>) = 0 [pid 5062] symlink("/dev/binderfs", "./binderfs" [pid 5060] mount(NULL, "./config", "configfs", 0, NULL [pid 5059] <... symlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 5061] <... close resumed>) = 0 [pid 5062] <... symlink resumed>) = 0 [pid 5061] symlink("/dev/binderfs", "./binderfs" [pid 5060] <... mount resumed>) = 0 [pid 5059] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] rmdir("./931" [pid 5060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5059] <... unlinkat resumed>) = 0 executing program [pid 5062] write(1, "executing program\n", 18) = 18 [pid 5060] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5059] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rmdir resumed>) = 0 [pid 5060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5062] mkdirat(AT_FDCWD, "./config", 0777 [pid 5059] <... unlinkat resumed>) = 0 [pid 307] mkdir("./932", 0777 [pid 5061] <... symlink resumed>) = 0 [pid 5060] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5059] exit_group(0 [pid 5062] <... mkdirat resumed>) = 0 [pid 5061] write(1, "executing program\n", 18 [pid 5060] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5059] <... exit_group resumed>) = ? [pid 307] <... mkdir resumed>) = 0 executing program [pid 5062] mount(NULL, "./config", "configfs", 0, NULL [pid 5060] <... mkdirat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5062] <... mount resumed>) = 0 [pid 5062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5059] +++ exited with 0 +++ [pid 5060] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5061] <... write resumed>) = 18 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5059, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5060] <... symlinkat resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5061] mkdirat(AT_FDCWD, "./config", 0777 [pid 5062] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5062] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 5060] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5063 [pid 5062] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5060] <... unlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5060] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5062] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5060] <... unlinkat resumed>) = 0 [pid 5061] <... mkdirat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5063 attached [pid 5062] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5061] mount(NULL, "./config", "configfs", 0, NULL [pid 5060] exit_group(0 [pid 5063] set_robust_list(0x55556c898760, 24) = 0 [pid 5062] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5061] <... mount resumed>) = 0 [pid 5060] <... exit_group resumed>) = ? [pid 5061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5062] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 5062] exit_group(0) = ? [pid 5061] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5060] +++ exited with 0 +++ [pid 5063] rt_sigprocmask(SIG_SETMASK, [] [pid 5061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5063] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5063] chdir("./932" [pid 5062] +++ exited with 0 +++ [pid 5061] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5060, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5063] <... chdir resumed>) = 0 [pid 5061] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5062, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5063] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5061] <... mkdirat resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5063] <... prctl resumed>) = 0 [pid 5061] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... restart_syscall resumed>) = 0 [pid 5063] setpgid(0, 0 [pid 5061] <... symlinkat resumed>) = 0 [pid 5063] <... setpgid resumed>) = 0 [pid 5061] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] umount2("./967", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5061] <... unlinkat resumed>) = 0 [pid 5061] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5061] <... unlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./967", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5061] exit_group(0 [pid 5063] <... openat resumed>) = 3 [pid 5061] <... exit_group resumed>) = ? [pid 308] <... openat resumed>) = 3 [pid 5063] write(3, "1000", 4) = 4 [pid 5063] close(3 [pid 5061] +++ exited with 0 +++ [pid 5063] <... close resumed>) = 0 [pid 308] fstat(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 5063] symlink("/dev/binderfs", "./binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5061, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5063] <... symlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(3 [pid 5063] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./906", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5063] <... write resumed>) = 18 [pid 308] umount2("./967/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5063] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./906", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5063] <... mkdirat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./967/binderfs" [pid 306] <... openat resumed>) = 3 [pid 5063] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(3 [pid 5063] <... mount resumed>) = 0 [pid 308] unlink("./967/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5063] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./960", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 5063] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5063] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] openat(AT_FDCWD, "./960", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./906/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5063] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(3 [pid 308] <... umount2 resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./906/binderfs" [pid 5063] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./906/binderfs" [pid 5063] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] newfstatat(AT_FDCWD, "./967/config" [pid 306] <... unlink resumed>) = 0 [pid 5063] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./960/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5063] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 5063] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./960/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5063] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./967/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5063] exit_group(0 [pid 309] unlink("./960/binderfs" [pid 308] <... openat resumed>) = 4 [pid 306] newfstatat(AT_FDCWD, "./906/config" [pid 5063] <... exit_group resumed>) = ? [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5063] +++ exited with 0 +++ [pid 309] <... unlink resumed>) = 0 [pid 308] fstat(4 [pid 306] umount2("./906/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./906/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = 0 [pid 308] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5063, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... openat resumed>) = 4 [pid 309] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./932", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] newfstatat(AT_FDCWD, "./960/config" [pid 308] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./932", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 307] <... openat resumed>) = 3 [pid 306] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 306] close(4) = 0 [pid 309] openat(AT_FDCWD, "./960/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./967/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./906/config" [pid 309] <... openat resumed>) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./932/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./906" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./967" [pid 307] newfstatat(AT_FDCWD, "./932/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 309] close(4 [pid 306] mkdir("./907", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] rmdir("./960/config" [pid 308] mkdir("./968", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] unlink("./932/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./982", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./982", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5064 [pid 310] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(3 [pid 309] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5064 attached [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 5064] set_robust_list(0x55556c898760, 24) = 0 [pid 5064] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] getdents64(3 [pid 309] rmdir("./960" [pid 307] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5065 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5064] chdir("./907" [pid 309] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5065 attached [pid 310] umount2("./982/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./961", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./932/config" [pid 5064] <... chdir resumed>) = 0 [pid 5064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5064] <... prctl resumed>) = 0 [pid 5064] setpgid(0, 0) = 0 [pid 5064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./982/binderfs" [pid 307] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5065] set_robust_list(0x55556c898760, 24 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] <... set_robust_list resumed>) = 0 [pid 310] unlink("./982/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] openat(AT_FDCWD, "./932/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] umount2("./982/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 5065] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5064] <... openat resumed>) = 3 [pid 310] umount2("./982/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5066 ci2-android-6-1/strace-static-x86_64: Process 5066 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5065] chdir("./968" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5066] set_robust_list(0x55556c898760, 24 [pid 310] newfstatat(AT_FDCWD, "./982/config" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5066] <... set_robust_list resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 310] umount2("./982/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5066] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5066] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(4 [pid 310] openat(AT_FDCWD, "./982/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 5065] <... chdir resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] rmdir("./932/config" [pid 5066] chdir("./961" [pid 5065] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] fstat(4 [pid 5064] write(3, "1000", 4) = 4 [pid 5064] close(3 [pid 5066] <... chdir resumed>) = 0 [pid 5065] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5066] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5065] setpgid(0, 0 [pid 310] getdents64(4 [pid 307] getdents64(3 [pid 5064] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5066] <... prctl resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 5065] <... setpgid resumed>) = 0 [pid 307] close(3 [pid 5066] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 5066] <... setpgid resumed>) = 0 [pid 310] close(4 [pid 307] rmdir("./932" [pid 5064] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 5064] <... symlink resumed>) = 0 [pid 310] rmdir("./982/config" [pid 307] <... rmdir resumed>) = 0 [pid 5066] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5064] write(1, "executing program\n", 18) = 18 [pid 5064] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 307] mkdir("./933", 0777 [pid 310] getdents64(3 [pid 5064] <... mkdirat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5064] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5066] <... openat resumed>) = 3 [pid 5065] <... openat resumed>) = 3 [pid 310] rmdir("./982" [pid 5064] <... mount resumed>) = 0 [pid 5064] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5064] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5064] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5064] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5066] write(3, "1000", 4 executing program [pid 5065] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5067 [pid 310] mkdir("./983", 0777 [pid 5064] <... symlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5064] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5064] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5066] <... write resumed>) = 4 [pid 5065] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5066] close(3 [pid 5065] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5064] <... unlinkat resumed>) = 0 [pid 5064] exit_group(0) = ? [pid 5066] <... close resumed>) = 0 [pid 5065] <... close resumed>) = 0 [pid 5064] +++ exited with 0 +++ [pid 5066] symlink("/dev/binderfs", "./binderfs" [pid 5065] symlink("/dev/binderfs", "./binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5068 ci2-android-6-1/strace-static-x86_64: Process 5067 attached [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5064, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5067] set_robust_list(0x55556c898760, 24) = 0 [pid 5067] rt_sigprocmask(SIG_SETMASK, [] [pid 5066] <... symlink resumed>) = 0 [pid 5067] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5067] chdir("./933") = 0 [pid 5066] write(1, "executing program\n", 18 [pid 5065] <... symlink resumed>) = 0 [pid 5067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5067] setpgid(0, 0) = 0 executing program [pid 5067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5065] write(1, "executing program\n", 18 [pid 5066] <... write resumed>) = 18 [pid 5067] <... openat resumed>) = 3 [pid 5067] write(3, "1000", 4 [pid 5065] <... write resumed>) = 18 [pid 5067] <... write resumed>) = 4 [pid 5066] mkdirat(AT_FDCWD, "./config", 0777 [pid 5067] close(3 [pid 5065] mkdirat(AT_FDCWD, "./config", 0777 [pid 5067] <... close resumed>) = 0 [pid 5067] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5066] <... mkdirat resumed>) = 0 [pid 5067] write(1, "executing program\n", 18) = 18 executing program executing program [pid 5067] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5066] mount(NULL, "./config", "configfs", 0, NULL [pid 5065] <... mkdirat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5068 attached [pid 5065] mount(NULL, "./config", "configfs", 0, NULL [pid 5068] set_robust_list(0x55556c898760, 24 [pid 5066] <... mount resumed>) = 0 [pid 5068] <... set_robust_list resumed>) = 0 [pid 5066] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5065] <... mount resumed>) = 0 [pid 5068] rt_sigprocmask(SIG_SETMASK, [] [pid 5065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5067] mount(NULL, "./config", "configfs", 0, NULL [pid 5066] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5068] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5068] chdir("./983") = 0 [pid 5068] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5068] setpgid(0, 0) = 0 [pid 5068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... restart_syscall resumed>) = 0 [pid 5068] <... openat resumed>) = 3 [pid 5066] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5065] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5067] <... mount resumed>) = 0 [pid 5068] write(3, "1000", 4) = 4 [pid 306] umount2("./907", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5066] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] close(3 [pid 306] openat(AT_FDCWD, "./907", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5066] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5067] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5065] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... openat resumed>) = 3 [pid 5068] <... close resumed>) = 0 [pid 5068] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5066] <... mkdirat resumed>) = 0 [pid 5065] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] fstat(3 [pid 5067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5065] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5066] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5065] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5067] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(3 [pid 5068] write(1, "executing program\n", 18) = 18 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5068] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] umount2("./907/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5066] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5065] <... symlinkat resumed>) = 0 [pid 5067] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5066] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5067] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5065] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] newfstatat(AT_FDCWD, "./907/binderfs" [pid 5066] <... unlinkat resumed>) = 0 [pid 5065] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5066] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5065] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] unlink("./907/binderfs" [pid 5067] <... symlinkat resumed>) = 0 executing program [pid 5068] <... mkdirat resumed>) = 0 [pid 5067] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5066] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 5065] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 306] <... unlink resumed>) = 0 [pid 5068] mount(NULL, "./config", "configfs", 0, NULL [pid 306] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5065] exit_group(0 [pid 5068] <... mount resumed>) = 0 [pid 5068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5067] <... unlinkat resumed>) = 0 [pid 5066] exit_group(0 [pid 5065] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./907/config" [pid 5066] <... exit_group resumed>) = ? [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5068] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] umount2("./907/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5068] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5068] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] openat(AT_FDCWD, "./907/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5068] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5067] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... openat resumed>) = 4 [pid 5067] <... unlinkat resumed>) = 0 [pid 306] fstat(4 [pid 5067] exit_group(0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5067] <... exit_group resumed>) = ? [pid 306] getdents64(4 [pid 5067] +++ exited with 0 +++ [pid 5066] +++ exited with 0 +++ [pid 5065] +++ exited with 0 +++ [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5065, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5067, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5066, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(4) = 0 [pid 5068] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] rmdir("./907/config" [pid 5068] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = -1 ENOENT (No such file or directory) [pid 5068] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = -1 ENOENT (No such file or directory) [pid 5068] exit_group(0 [pid 306] <... rmdir resumed>) = 0 [pid 5068] <... exit_group resumed>) = ? [pid 306] getdents64(3 [pid 5068] +++ exited with 0 +++ [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5068, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3) = 0 [pid 306] rmdir("./907" [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./933", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./933", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] mkdir("./908", 0777 [pid 307] <... openat resumed>) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./933/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./933/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] unlink("./933/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] umount2("./983", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 310] openat(AT_FDCWD, "./983", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./983/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./983/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./983/binderfs") = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5069 [pid 310] umount2("./983/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./983/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./933/config" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./983/config" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./983/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./983/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./933/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 307] <... openat resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 307] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 307] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./983/config") = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 310] close(3) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./983") = 0 [pid 307] close(4 [pid 310] mkdir("./984", 0777) = 0 [pid 307] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./933/config" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5070 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5069 attached [pid 307] getdents64(3 [pid 5069] set_robust_list(0x55556c898760, 24 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5069] <... set_robust_list resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] close(3 [pid 5069] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 5069] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5069] chdir("./908" [pid 307] rmdir("./933" [pid 308] umount2("./968", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5069] <... chdir resumed>) = 0 [pid 5069] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5069] setpgid(0, 0) = 0 [pid 5069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./968", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./934", 0777 [pid 5069] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 5069] write(3, "1000", 4) = 4 [pid 5069] close(3) = 0 [pid 5069] symlink("/dev/binderfs", "./binderfs" [pid 308] fstat(3 [pid 307] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5069] <... symlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./968/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5069] write(1, "executing program\n", 18) = 18 [pid 5069] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./961", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./968/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5071 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./961", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] unlink("./968/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 3 [pid 5069] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] fstat(3 [pid 308] <... unlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./968/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 5069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = 0 [pid 309] umount2("./961/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./968/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./961/binderfs" [pid 308] newfstatat(AT_FDCWD, "./968/config" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./961/binderfs" [pid 308] umount2("./968/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5069] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./968/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5069] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = 0 [pid 308] fstat(4 [pid 309] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./961/config" [pid 5069] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./961/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] close(4 [pid 5069] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 309] fstat(4 [pid 308] rmdir("./968/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5069] <... unlinkat resumed>) = 0 [pid 5069] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 5069] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(3 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 309] close(4 [pid 5069] <... exit_group resumed>) = ? [pid 308] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./968" [pid 5069] +++ exited with 0 +++ [pid 309] rmdir("./961/config" [pid 308] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5070 attached ci2-android-6-1/strace-static-x86_64: Process 5071 attached [pid 5071] set_robust_list(0x55556c898760, 24) = 0 [pid 5071] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5069, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 308] mkdir("./969", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5071] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5071] chdir("./934") = 0 [pid 5071] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5071] setpgid(0, 0) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rmdir("./961" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 5071] write(3, "1000", 4) = 4 [pid 5071] close(3) = 0 [pid 5071] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] mkdir("./962", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5072 [pid 5071] write(1, "executing program\n", 18) = 18 [pid 5071] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 309] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5071] mount(NULL, "./config", "configfs", 0, NULL [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./908", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5071] <... mount resumed>) = 0 [pid 5071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5071] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5073 [pid 306] openat(AT_FDCWD, "./908", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5071] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3 [pid 5071] <... symlinkat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5071] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] getdents64(3 [pid 5071] <... unlinkat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5071] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./908/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5071] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] set_robust_list(0x55556c898760, 24 [pid 306] newfstatat(AT_FDCWD, "./908/binderfs" [pid 5071] exit_group(0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5071] <... exit_group resumed>) = ? [pid 306] unlink("./908/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5073 attached [pid 5071] +++ exited with 0 +++ [pid 5070] <... set_robust_list resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5071, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5072 attached [pid 306] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5072] set_robust_list(0x55556c898760, 24 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] <... set_robust_list resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./908/config" [pid 5072] rt_sigprocmask(SIG_SETMASK, [] [pid 5070] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5072] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./908/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5070] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5072] chdir("./969" [pid 5070] chdir("./984" [pid 306] openat(AT_FDCWD, "./908/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5072] <... chdir resumed>) = 0 [pid 5072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... openat resumed>) = 4 [pid 5070] <... chdir resumed>) = 0 [pid 306] fstat(4 [pid 5070] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5072] <... prctl resumed>) = 0 [pid 306] getdents64(4 [pid 5070] <... prctl resumed>) = 0 [pid 5072] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5070] setpgid(0, 0 [pid 306] getdents64(4 [pid 5072] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5070] <... setpgid resumed>) = 0 [pid 306] close(4 [pid 5072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... close resumed>) = 0 [pid 5072] <... openat resumed>) = 3 [pid 5070] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rmdir("./908/config" [pid 5072] write(3, "1000", 4) = 4 [pid 5072] close(3) = 0 [pid 5072] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5070] <... openat resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 5072] write(1, "executing program\n", 18 [pid 5070] write(3, "1000", 4 [pid 306] getdents64(3 [pid 5072] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5070] <... write resumed>) = 4 executing program [pid 307] <... restart_syscall resumed>) = 0 [pid 306] close(3 [pid 5070] close(3 [pid 5072] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... close resumed>) = 0 [pid 5070] <... close resumed>) = 0 [pid 306] rmdir("./908" [pid 307] umount2("./934", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5072] <... mkdirat resumed>) = 0 [pid 5070] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./934", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] mkdir("./909", 0777 [pid 307] <... openat resumed>) = 3 [pid 5072] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] fstat(3 [pid 306] <... mkdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5072] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5070] <... symlink resumed>) = 0 executing program [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./934/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5072] <... mkdirat resumed>) = 0 [pid 5072] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5072] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5070] write(1, "executing program\n", 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./934/binderfs" [pid 5070] <... write resumed>) = 18 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5074 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5072] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] unlink("./934/binderfs" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5072] <... unlinkat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5070] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5072] exit_group(0 [pid 307] <... umount2 resumed>) = 0 [pid 5072] <... exit_group resumed>) = ? [pid 307] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5073] set_robust_list(0x55556c898760, 24 [pid 5072] +++ exited with 0 +++ [pid 5070] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5074 attached [pid 5070] mount(NULL, "./config", "configfs", 0, NULL [pid 307] newfstatat(AT_FDCWD, "./934/config" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5072, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5074] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5070] <... mount resumed>) = 0 [pid 307] openat(AT_FDCWD, "./934/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... set_robust_list resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 5070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] fstat(4 [pid 5074] rt_sigprocmask(SIG_SETMASK, [] [pid 5070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 5070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5074] chdir("./909" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5074] <... chdir resumed>) = 0 [pid 307] getdents64(4 [pid 5070] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5074] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5070] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] close(4 [pid 5074] <... prctl resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 5074] setpgid(0, 0 [pid 307] rmdir("./934/config" [pid 5074] <... setpgid resumed>) = 0 [pid 5074] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 5074] write(3, "1000", 4 [pid 307] getdents64(3 [pid 5070] <... mkdirat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5074] <... write resumed>) = 4 [pid 5070] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] close(3 [pid 5074] close(3) = 0 [pid 307] <... close resumed>) = 0 [pid 5074] symlink("/dev/binderfs", "./binderfs" [pid 307] rmdir("./934" [pid 5070] <... symlinkat resumed>) = 0 [pid 5074] <... symlink resumed>) = 0 [pid 5074] write(1, "executing program\n", 18 [pid 5070] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... rmdir resumed>) = 0 [pid 5074] <... write resumed>) = 18 [pid 307] mkdir("./935", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 5074] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5070] <... unlinkat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 5074] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5070] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./969", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] openat(AT_FDCWD, "./969", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5074] <... mount resumed>) = 0 [pid 5074] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5074] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... openat resumed>) = 3 [pid 5074] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] fstat(3 [pid 5074] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 5074] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5074] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5075 [pid 5070] <... unlinkat resumed>) = 0 [pid 5074] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 308] umount2("./969/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5070] exit_group(0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5074] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5070] <... exit_group resumed>) = ? [pid 308] newfstatat(AT_FDCWD, "./969/binderfs" [pid 5074] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5074] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] unlink("./969/binderfs" [pid 5074] exit_group(0) = ? [pid 308] <... unlink resumed>) = 0 [pid 5074] +++ exited with 0 +++ [pid 5070] +++ exited with 0 +++ [pid 308] umount2("./969/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5070, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5074, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./969/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5075 attached [pid 5073] <... set_robust_list resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] set_robust_list(0x55556c898760, 24 [pid 308] newfstatat(AT_FDCWD, "./969/config" [pid 5073] rt_sigprocmask(SIG_SETMASK, [] [pid 5075] <... set_robust_list resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5075] rt_sigprocmask(SIG_SETMASK, [] [pid 5073] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./969/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5075] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] chdir("./935" [pid 5073] chdir("./962" [pid 308] openat(AT_FDCWD, "./969/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... chdir resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 5075] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] fstat(4 [pid 5073] <... chdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... prctl resumed>) = 0 [pid 308] getdents64(4 [pid 5073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] setpgid(0, 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5073] <... prctl resumed>) = 0 [pid 308] getdents64(4 [pid 5075] <... setpgid resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5073] setpgid(0, 0 [pid 308] close(4 [pid 5075] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] <... setpgid resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 5075] <... openat resumed>) = 3 [pid 5075] write(3, "1000", 4 [pid 308] rmdir("./969/config" [pid 5075] <... write resumed>) = 4 [pid 5075] close(3) = 0 [pid 5075] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 5075] write(1, "executing program\n", 18 [pid 308] getdents64(3 [pid 5075] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 5073] <... openat resumed>) = 3 [pid 5075] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] close(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 5073] write(3, "1000", 4) = 4 [pid 308] <... close resumed>) = 0 [pid 5073] close(3 [pid 310] umount2("./984", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./969" [pid 5073] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... mkdirat resumed>) = 0 [pid 5073] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./984", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] mkdir("./970", 0777 [pid 306] umount2("./909", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 5075] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5075] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... mkdir resumed>) = 0 [pid 5075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5073] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5075] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5073] write(1, "executing program\n", 18 [pid 310] umount2("./984/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5073] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 306] openat(AT_FDCWD, "./909", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5075] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5073] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./984/binderfs" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5075] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 3 [pid 5075] <... mkdirat resumed>) = 0 [pid 5073] <... mkdirat resumed>) = 0 [pid 310] unlink("./984/binderfs" [pid 5075] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5076 attached [pid 5075] <... symlinkat resumed>) = 0 [pid 5073] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./984/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 5076] set_robust_list(0x55556c898760, 24 [pid 5075] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5073] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5076 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5076] <... set_robust_list resumed>) = 0 [pid 5075] <... unlinkat resumed>) = 0 [pid 5073] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./984/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5076] rt_sigprocmask(SIG_SETMASK, [] [pid 5075] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5073] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 5076] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5075] <... unlinkat resumed>) = 0 [pid 5073] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] newfstatat(AT_FDCWD, "./984/config" [pid 5076] chdir("./970" [pid 5075] exit_group(0 [pid 5073] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5076] <... chdir resumed>) = 0 [pid 5075] <... exit_group resumed>) = ? [pid 5073] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./984/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5075] +++ exited with 0 +++ [pid 5073] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./909/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5076] <... prctl resumed>) = 0 [pid 5073] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] openat(AT_FDCWD, "./984/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5076] setpgid(0, 0 [pid 5073] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... setpgid resumed>) = 0 [pid 5073] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5075, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5073] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./909/binderfs" [pid 5076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5073] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5076] <... openat resumed>) = 3 [pid 5073] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 5076] write(3, "1000", 4 [pid 5073] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] unlink("./909/binderfs" [pid 5076] <... write resumed>) = 4 [pid 5073] <... exit_group resumed>) = ? [pid 310] close(4) = 0 [pid 310] rmdir("./984/config" [pid 306] <... unlink resumed>) = 0 [pid 5076] close(3 [pid 5073] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 306] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5076] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 5076] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5073, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5076] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 5076] write(1, "executing program\n", 18 executing program [pid 310] rmdir("./984" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5076] <... write resumed>) = 18 [pid 310] <... rmdir resumed>) = 0 [pid 5076] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] mkdir("./985", 0777 [pid 306] newfstatat(AT_FDCWD, "./909/config" [pid 5076] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 5076] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5076] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 5076] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./909/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5077 attached [pid 5076] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... restart_syscall resumed>) = 0 [pid 5077] set_robust_list(0x55556c898760, 24 [pid 5076] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5077 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] <... set_robust_list resumed>) = 0 [pid 5076] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5076] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./962", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./909/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5077] rt_sigprocmask(SIG_SETMASK, [] [pid 5076] <... mkdirat resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 5077] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5076] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] openat(AT_FDCWD, "./962", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./935", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./935", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 306] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 5076] <... symlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 307] fstat(3 [pid 5077] chdir("./985" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5076] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 5077] <... chdir resumed>) = 0 [pid 309] umount2("./962/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 5077] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5076] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5077] <... prctl resumed>) = 0 [pid 5076] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./962/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] close(4 [pid 5077] setpgid(0, 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./935/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./962/binderfs" [pid 306] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./935/binderfs" [pid 306] rmdir("./909/config" [pid 5077] <... setpgid resumed>) = 0 [pid 5076] <... unlinkat resumed>) = 0 [pid 309] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5077] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5076] exit_group(0 [pid 309] <... umount2 resumed>) = 0 [pid 307] unlink("./935/binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 5076] <... exit_group resumed>) = ? [pid 309] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5077] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(3 [pid 309] newfstatat(AT_FDCWD, "./962/config" [pid 307] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5077] <... write resumed>) = 4 [pid 309] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 306] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./962/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 306] rmdir("./909" [pid 307] newfstatat(AT_FDCWD, "./935/config" [pid 309] fstat(4 [pid 5077] close(3) = 0 [pid 5077] symlink("/dev/binderfs", "./binderfs") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] mkdir("./910", 0777 [pid 309] getdents64(4 [pid 307] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 5077] write(1, "executing program\n", 18) = 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 309] getdents64(4 [pid 307] openat(AT_FDCWD, "./935/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 309] close(4 [pid 307] fstat(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5076] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./962/config" [pid 307] getdents64(4 [pid 5077] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 5078 attached ) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5076, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5078] set_robust_list(0x55556c898760, 24 [pid 309] getdents64(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5078 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5078] <... set_robust_list resumed>) = 0 [pid 5077] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5078] rt_sigprocmask(SIG_SETMASK, [] [pid 5077] <... mount resumed>) = 0 [pid 309] close(3 [pid 307] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5078] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5078] chdir("./910" [pid 5077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./935/config" [pid 5078] <... chdir resumed>) = 0 [pid 5077] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./962" [pid 5077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 5077] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5077] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 5078] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5077] <... mkdirat resumed>) = 0 [pid 309] mkdir("./963", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5078] setpgid(0, 0 [pid 5077] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5078] <... setpgid resumed>) = 0 [pid 5077] <... symlinkat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5077] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... close resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rmdir("./935" [pid 5077] <... unlinkat resumed>) = 0 [pid 5077] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5077] exit_group(0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5079 [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5079 attached [pid 5078] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5078] write(3, "1000", 4 [pid 307] mkdir("./936", 0777 [pid 5079] set_robust_list(0x55556c898760, 24 [pid 5078] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5077] <... exit_group resumed>) = ? [pid 5079] <... set_robust_list resumed>) = 0 [pid 5078] close(3 [pid 5077] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 5079] rt_sigprocmask(SIG_SETMASK, [] [pid 5078] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5077, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5079] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5078] symlink("/dev/binderfs", "./binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5079] chdir("./963" [pid 5078] <... symlink resumed>) = 0 [pid 5079] <... chdir resumed>) = 0 [pid 5078] write(1, "executing program\n", 18 executing program [pid 310] umount2("./985", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5078] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./985", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5079] <... prctl resumed>) = 0 [pid 5078] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] getdents64(3 [pid 5079] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5080 [pid 5079] <... setpgid resumed>) = 0 [pid 5078] <... mkdirat resumed>) = 0 [pid 310] umount2("./985/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5078] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5078] <... mount resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./985/binderfs" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5079] <... openat resumed>) = 3 [pid 5078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5079] write(3, "1000", 4 [pid 5078] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./985/binderfs" [pid 5079] <... write resumed>) = 4 [pid 5078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 5079] close(3 [pid 5078] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./985/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5079] <... close resumed>) = 0 [pid 5078] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./985/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5079] symlink("/dev/binderfs", "./binderfs" [pid 5078] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5078] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] newfstatat(AT_FDCWD, "./985/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./985/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 5079] <... symlink resumed>) = 0 [pid 5078] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5079] write(1, "executing program\n", 18 [pid 5078] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./985/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5079] <... write resumed>) = 18 [pid 5078] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 5079] mkdirat(AT_FDCWD, "./config", 0777 [pid 5078] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5078] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 308] umount2("./970", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5078] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5079] <... mkdirat resumed>) = 0 [pid 5078] <... exit_group resumed>) = ? [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 308] openat(AT_FDCWD, "./970", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./985/config" [pid 308] <... openat resumed>) = 3 [pid 5079] mount(NULL, "./config", "configfs", 0, NULL [pid 5078] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 5079] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 308] fstat(3ci2-android-6-1/strace-static-x86_64: Process 5080 attached [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5078, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] close(3) = 0 [pid 308] getdents64(3 [pid 310] rmdir("./985") = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] mkdir("./986", 0777 [pid 308] umount2("./970/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5079] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 306] umount2("./910", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./970/binderfs" [pid 5079] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] openat(AT_FDCWD, "./910", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] set_robust_list(0x55556c898760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5081 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5080] <... set_robust_list resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 5080] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] unlink("./970/binderfs" [pid 5080] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3 [pid 5080] chdir("./936" [pid 308] <... unlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./970/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 5080] <... chdir resumed>) = 0 [pid 5080] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = 0 [pid 306] umount2("./910/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5080] setpgid(0, 0 [pid 308] umount2("./970/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./910/binderfs" [pid 308] newfstatat(AT_FDCWD, "./970/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./910/binderfs" [pid 5080] <... setpgid resumed>) = 0 [pid 308] umount2("./970/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./970/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = 0 [pid 308] fstat(4 [pid 5080] write(3, "1000", 4) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5080] close(3 [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5080] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] newfstatat(AT_FDCWD, "./910/config" [pid 308] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./910/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 5080] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5079] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] rmdir("./970/config" [pid 306] openat(AT_FDCWD, "./910/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5080] write(1, "executing program\n", 18) = 18 executing program [pid 5080] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 5079] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 306] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 306] getdents64(4 [pid 5080] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... close resumed>) = 0 [pid 5080] <... mount resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rmdir("./970" [pid 306] getdents64(4 [pid 5080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5080] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./971", 0777 [pid 306] close(4 [pid 5080] <... mkdirat resumed>) = 0 [pid 5080] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./910/config" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5080] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5080] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rmdir resumed>) = 0 [pid 5080] <... unlinkat resumed>) = 0 [pid 5080] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 5081 attached [pid 5080] +++ exited with 0 +++ [pid 5079] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5082 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5080, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 5082 attached [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5082] set_robust_list(0x55556c898760, 24 [pid 306] <... close resumed>) = 0 [pid 5082] <... set_robust_list resumed>) = 0 [pid 306] rmdir("./910" [pid 5082] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5082] chdir("./971") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] mkdir("./911", 0777 [pid 5082] <... prctl resumed>) = 0 [pid 5082] setpgid(0, 0) = 0 [pid 5082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5082] write(3, "1000", 4) = 4 [pid 5082] close(3 [pid 306] <... mkdir resumed>) = 0 [pid 5082] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5082] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5082] <... symlink resumed>) = 0 [pid 5079] <... mkdirat resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5082] write(1, "executing program\n", 18) = 18 [pid 5082] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 5082] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5079] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5083 [pid 5082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5079] <... symlinkat resumed>) = 0 [pid 5082] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5079] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5082] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5079] <... unlinkat resumed>) = 0 [pid 5082] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5079] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5082] <... symlinkat resumed>) = 0 [pid 5082] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5082] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5082] exit_group(0 [pid 5079] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5082] <... exit_group resumed>) = ? [pid 5082] +++ exited with 0 +++ [pid 5081] set_robust_list(0x55556c898760, 24 [pid 5079] exit_group(0 [pid 307] umount2("./936", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5083 attached [pid 5079] <... exit_group resumed>) = ? [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5082, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] openat(AT_FDCWD, "./936", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] set_robust_list(0x55556c898760, 24 [pid 307] <... openat resumed>) = 3 [pid 5083] <... set_robust_list resumed>) = 0 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 5083] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5083] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./936/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./936/binderfs" [pid 5083] chdir("./911" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5079] +++ exited with 0 +++ [pid 307] unlink("./936/binderfs" [pid 5083] <... chdir resumed>) = 0 [pid 5083] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5083] setpgid(0, 0) = 0 [pid 5083] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5083] write(3, "1000", 4 [pid 307] <... unlink resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5079, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5083] <... write resumed>) = 4 [pid 5083] close(3 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5083] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5083] symlink("/dev/binderfs", "./binderfs" [pid 307] newfstatat(AT_FDCWD, "./936/config" [pid 5083] <... symlink resumed>) = 0 [pid 5081] <... set_robust_list resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5083] write(1, "executing program\n", 18 [pid 307] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5083] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5083] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] openat(AT_FDCWD, "./936/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5083] <... mkdirat resumed>) = 0 [pid 5081] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 4 [pid 5083] mount(NULL, "./config", "configfs", 0, NULL [pid 307] fstat(4 [pid 5083] <... mount resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 5083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5083] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(4 [pid 5083] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5083] <... mkdirat resumed>) = 0 [pid 307] close(4 [pid 5083] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... close resumed>) = 0 [pid 5083] <... symlinkat resumed>) = 0 [pid 5081] chdir("./986" [pid 307] rmdir("./936/config" [pid 5083] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5083] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5083] exit_group(0 [pid 307] getdents64(3 [pid 5083] <... exit_group resumed>) = ? [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5083] +++ exited with 0 +++ [pid 5081] <... chdir resumed>) = 0 [pid 307] close(3 [pid 5081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5083, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] rmdir("./936" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5081] <... prctl resumed>) = 0 [pid 5081] setpgid(0, 0) = 0 [pid 5081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 5081] write(3, "1000", 4 [pid 307] mkdir("./937", 0777 [pid 5081] <... write resumed>) = 4 [pid 5081] close(3) = 0 [pid 5081] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... mkdir resumed>) = 0 [pid 5081] write(1, "executing program\n", 18 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5081] <... write resumed>) = 18 [pid 5081] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] umount2("./971", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5081] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5084 [pid 308] openat(AT_FDCWD, "./971", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY executing program [pid 5081] <... mount resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5081] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 5081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5081] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./971/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5081] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5081] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] newfstatat(AT_FDCWD, "./971/binderfs" [pid 5081] <... symlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5081] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] unlink("./971/binderfs" [pid 5081] <... unlinkat resumed>) = 0 [pid 5081] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... unlink resumed>) = 0 [pid 5081] exit_group(0 [pid 308] umount2("./971/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5081] <... exit_group resumed>) = ? [pid 5081] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./971/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5081, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] newfstatat(AT_FDCWD, "./971/config"ci2-android-6-1/strace-static-x86_64: Process 5084 attached [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./971/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5084] set_robust_list(0x55556c898760, 24 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./911", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./971/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5084] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./911", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(4 [pid 306] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(3 [pid 308] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(3 [pid 308] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./911/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./963", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./911/binderfs" [pid 309] openat(AT_FDCWD, "./963", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] rmdir("./971/config" [pid 309] fstat(3 [pid 306] unlink("./911/binderfs" [pid 5084] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5084] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 306] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5084] chdir("./937" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./963/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5084] <... chdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./963/binderfs" [pid 310] umount2("./986", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 306] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./986", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./963/binderfs" [pid 310] <... openat resumed>) = 3 [pid 310] fstat(3 [pid 309] <... unlink resumed>) = 0 [pid 308] rmdir("./971" [pid 306] newfstatat(AT_FDCWD, "./911/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5084] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5084] setpgid(0, 0) = 0 [pid 5084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 5084] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = 0 [pid 308] mkdir("./972", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./986/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5084] write(3, "1000", 4) = 4 [pid 5084] close(3) = 0 [pid 5084] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./911/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./986/binderfs" [pid 309] newfstatat(AT_FDCWD, "./963/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./986/binderfs" [pid 309] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./911/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5084] write(1, "executing program\n", 18) = 18 [pid 5084] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./986/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 5084] <... mkdirat resumed>) = 0 [pid 5084] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5084] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 310] <... umount2 resumed>) = 0 [pid 309] openat(AT_FDCWD, "./963/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5085 [pid 306] fstat(4 [pid 310] umount2("./986/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 310] newfstatat(AT_FDCWD, "./986/config" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 5084] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./986/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] openat(AT_FDCWD, "./986/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(4 [pid 309] getdents64(4 [pid 5084] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] fstat(4 [pid 309] close(4 [pid 306] close(4ci2-android-6-1/strace-static-x86_64: Process 5085 attached [pid 5084] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 309] rmdir("./963/config" [pid 5084] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5084] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 306] rmdir("./911/config" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 5084] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5084] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] close(3 [pid 306] getdents64(3 [pid 310] rmdir("./986/config" [pid 309] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5084] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./963" [pid 306] close(3 [pid 310] getdents64(3 [pid 5084] exit_group(0) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] close(3 [pid 309] mkdir("./964", 0777 [pid 310] <... close resumed>) = 0 [pid 306] rmdir("./911" [pid 5084] +++ exited with 0 +++ [pid 310] rmdir("./986" [pid 309] <... mkdir resumed>) = 0 [pid 5085] set_robust_list(0x55556c898760, 24 [pid 306] <... rmdir resumed>) = 0 [pid 5085] <... set_robust_list resumed>) = 0 [pid 5085] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] mkdir("./912", 0777 [pid 5085] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] mkdir("./987", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5084, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5085] chdir("./972" [pid 306] <... mkdir resumed>) = 0 [pid 5085] <... chdir resumed>) = 0 [pid 5085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5085] setpgid(0, 0) = 0 [pid 5085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./937", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5085] <... openat resumed>) = 3 [pid 5085] write(3, "1000", 4) = 4 [pid 5085] close(3) = 0 [pid 5085] symlink("/dev/binderfs", "./binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5086 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5085] <... symlink resumed>) = 0 [pid 5085] write(1, "executing program\n", 18) = 18 executing program [pid 5085] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./937", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5087 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 5085] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5085] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5085] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5085] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5088 [pid 307] getdents64(3 [pid 5085] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5085] <... symlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5085] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./937/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5085] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5085] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] newfstatat(AT_FDCWD, "./937/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5088 attached ci2-android-6-1/strace-static-x86_64: Process 5087 attached [pid 5085] <... unlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5085] exit_group(0 [pid 307] unlink("./937/binderfs" [pid 5085] <... exit_group resumed>) = ? [pid 5088] set_robust_list(0x55556c898760, 24 [pid 5087] set_robust_list(0x55556c898760, 24 [pid 5085] +++ exited with 0 +++ [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5085, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5088] <... set_robust_list resumed>) = 0 [pid 5087] <... set_robust_list resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5086 attached [pid 307] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5086] set_robust_list(0x55556c898760, 24) = 0 [pid 5086] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5086] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./937/config" [pid 5086] chdir("./964" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5086] <... chdir resumed>) = 0 [pid 307] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5086] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5086] <... prctl resumed>) = 0 [pid 307] openat(AT_FDCWD, "./937/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5086] setpgid(0, 0 [pid 307] <... openat resumed>) = 4 [pid 5086] <... setpgid resumed>) = 0 [pid 307] fstat(4 [pid 5086] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5086] <... openat resumed>) = 3 [pid 307] getdents64(4 [pid 5086] write(3, "1000", 4) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5086] close(3 [pid 307] getdents64(4 [pid 5086] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5086] symlink("/dev/binderfs", "./binderfs" [pid 307] close(4 [pid 5088] rt_sigprocmask(SIG_SETMASK, [] [pid 5086] <... symlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 5087] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./937/config" [pid 5086] write(1, "executing program\n", 18) = 18 executing program [pid 5086] mkdirat(AT_FDCWD, "./config", 0777 [pid 5088] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5087] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5086] <... mkdirat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 5086] mount(NULL, "./config", "configfs", 0, NULL [pid 5088] chdir("./912" [pid 5086] <... mount resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5087] chdir("./987" [pid 308] umount2("./972", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 5088] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 308] openat(AT_FDCWD, "./972", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rmdir("./937" [pid 5087] <... chdir resumed>) = 0 [pid 5086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... openat resumed>) = 3 [pid 5086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5086] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 308] fstat(3 [pid 5088] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5087] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] mkdir("./938", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5086] <... mkdirat resumed>) = 0 [pid 5086] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5088] <... prctl resumed>) = 0 [pid 5087] <... prctl resumed>) = 0 [pid 5086] <... symlinkat resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 5086] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5088] setpgid(0, 0 [pid 5087] setpgid(0, 0 [pid 308] umount2("./972/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5088] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5087] <... setpgid resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./972/binderfs" [pid 5086] <... unlinkat resumed>) = 0 [pid 5086] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5086] exit_group(0) = ? [pid 5086] +++ exited with 0 +++ [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./972/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5089 [pid 5088] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5086, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 5089 attached [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./972/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5089] set_robust_list(0x55556c898760, 24 [pid 5087] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = 0 [pid 5089] <... set_robust_list resumed>) = 0 [pid 308] umount2("./972/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./972/config" [pid 5087] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5088] <... openat resumed>) = 3 [pid 5087] write(3, "1000", 4 [pid 308] umount2("./972/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5089] rt_sigprocmask(SIG_SETMASK, [] [pid 5088] write(3, "1000", 4 [pid 5087] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5089] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5087] close(3 [pid 308] openat(AT_FDCWD, "./972/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5088] <... write resumed>) = 4 [pid 5089] chdir("./938" [pid 5088] close(3 [pid 5087] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 5089] <... chdir resumed>) = 0 [pid 5088] <... close resumed>) = 0 [pid 5087] symlink("/dev/binderfs", "./binderfs" [pid 308] fstat(4 [pid 5089] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5089] setpgid(0, 0 [pid 308] getdents64(4 [pid 5089] <... setpgid resumed>) = 0 [pid 5089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5088] symlink("/dev/binderfs", "./binderfs" [pid 5087] <... symlink resumed>) = 0 [pid 308] getdents64(4 [pid 5089] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5089] write(3, "1000", 4 [pid 308] close(4 [pid 5088] <... symlink resumed>) = 0 [pid 5087] write(1, "executing program\n", 18 [pid 5088] write(1, "executing program\n", 18 [pid 308] <... close resumed>) = 0 [pid 5089] <... write resumed>) = 4 [pid 308] rmdir("./972/config" [pid 5089] close(3) = 0 executing program executing program [pid 5089] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5088] <... write resumed>) = 18 [pid 5087] <... write resumed>) = 18 [pid 308] <... rmdir resumed>) = 0 [pid 5089] write(1, "executing program\n", 18 [pid 308] getdents64(3 [pid 5089] <... write resumed>) = 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 5089] mkdirat(AT_FDCWD, "./config", 0777 [pid 5088] mkdirat(AT_FDCWD, "./config", 0777 [pid 5087] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] close(3 [pid 5089] <... mkdirat resumed>) = 0 [pid 5088] <... mkdirat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 5089] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rmdir("./972" [pid 5089] <... mount resumed>) = 0 [pid 5089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./973", 0777 [pid 5089] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5089] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... mkdir resumed>) = 0 [pid 309] umount2("./964", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5088] mount(NULL, "./config", "configfs", 0, NULL [pid 5087] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./964", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5089] <... symlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 5089] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5089] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5089] exit_group(0) = ? [pid 5089] +++ exited with 0 +++ [pid 5088] <... mount resumed>) = 0 [pid 5087] mount(NULL, "./config", "configfs", 0, NULL [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5090 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5089, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 5090 attached [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] umount2("./964/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5088] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5087] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./964/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./964/binderfs" [pid 5090] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... unlink resumed>) = 0 [pid 5088] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5090] rt_sigprocmask(SIG_SETMASK, [] [pid 5087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 5088] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5088] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5090] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5087] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] newfstatat(AT_FDCWD, "./964/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5090] chdir("./973" [pid 309] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5090] <... chdir resumed>) = 0 [pid 5090] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5088] <... mkdirat resumed>) = 0 [pid 5087] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./964/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5090] <... prctl resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 5087] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5088] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] fstat(4 [pid 5090] setpgid(0, 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5090] <... setpgid resumed>) = 0 [pid 309] getdents64(4 [pid 5090] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5087] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5088] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5087] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 5090] <... openat resumed>) = 3 [pid 5088] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5087] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5090] write(3, "1000", 4) = 4 [pid 5090] close(3 [pid 309] close(4 [pid 5087] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... close resumed>) = 0 [pid 5088] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] rmdir("./964/config" [pid 5090] <... close resumed>) = 0 [pid 5090] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 5090] write(1, "executing program\n", 18 [pid 5088] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 5087] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5090] <... write resumed>) = 18 [pid 309] close(3 [pid 5088] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5090] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... close resumed>) = 0 [pid 5088] exit_group(0 [pid 5087] exit_group(0 executing program [pid 309] rmdir("./964" [pid 5090] <... mkdirat resumed>) = 0 [pid 5088] <... exit_group resumed>) = ? [pid 5087] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 5090] mount(NULL, "./config", "configfs", 0, NULL [pid 309] mkdir("./965", 0777 [pid 5090] <... mount resumed>) = 0 [pid 5090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 5090] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5090] <... mkdirat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5090] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5090] <... symlinkat resumed>) = 0 [pid 5090] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5090] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5090] exit_group(0) = ? [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5091 [pid 5090] +++ exited with 0 +++ [pid 5088] +++ exited with 0 +++ [pid 5087] +++ exited with 0 +++ [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5090, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5087, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5088, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./938", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5091 attached [pid 5091] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5091] <... set_robust_list resumed>) = 0 [pid 307] openat(AT_FDCWD, "./938", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 5091] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./938/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./938/binderfs" [pid 5091] chdir("./965" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./938/binderfs" [pid 5091] <... chdir resumed>) = 0 [pid 5091] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... unlink resumed>) = 0 [pid 5091] setpgid(0, 0 [pid 307] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5091] <... setpgid resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5091] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./938/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./938/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5091] <... openat resumed>) = 3 [pid 5091] write(3, "1000", 4) = 4 [pid 5091] close(3) = 0 [pid 5091] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5091] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 5091] <... write resumed>) = 18 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 307] getdents64(4 [pid 5091] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./938/config" [pid 5091] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5091] mount(NULL, "./config", "configfs", 0, NULL [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./938" [pid 310] <... restart_syscall resumed>) = 0 [pid 5091] <... mount resumed>) = 0 [pid 5091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 5091] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5091] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] umount2("./987", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./939", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5091] <... mkdirat resumed>) = 0 [pid 5091] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./987", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./912", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./912", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5091] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5091] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5091] exit_group(0 [pid 310] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5092 [pid 306] <... openat resumed>) = 3 [pid 5091] <... exit_group resumed>) = ? [pid 5091] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(3 [pid 310] umount2("./987/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 5092 attached [pid 5092] set_robust_list(0x55556c898760, 24) = 0 [pid 5092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5091, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5092] chdir("./939" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./987/binderfs" [pid 308] umount2("./973", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5092] <... chdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] unlink("./987/binderfs" [pid 308] openat(AT_FDCWD, "./973", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./912/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5092] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5092] setpgid(0, 0 [pid 310] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./987/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./912/binderfs" [pid 308] fstat(3 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./987/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] unlink("./912/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 5092] <... setpgid resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./987/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./973/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./987/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./973/binderfs" [pid 310] openat(AT_FDCWD, "./987/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] unlink("./973/binderfs" [pid 310] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5092] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./912/config" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./973/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(4 [pid 306] umount2("./912/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 5092] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./973/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5092] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] openat(AT_FDCWD, "./912/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(4 [pid 308] newfstatat(AT_FDCWD, "./973/config" [pid 5092] close(3 [pid 306] <... openat resumed>) = 4 [pid 5092] <... close resumed>) = 0 [pid 5092] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5092] write(1, "executing program\n", 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(4 [pid 310] <... close resumed>) = 0 [pid 308] umount2("./973/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./987/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 5092] <... write resumed>) = 18 executing program [pid 5092] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./973/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 308] <... openat resumed>) = 4 [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] fstat(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(4 [pid 5092] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 310] rmdir("./987" [pid 5092] <... mount resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] rmdir("./912/config" [pid 5092] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 5092] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5092] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] mkdir("./988", 0777 [pid 308] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 5092] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5092] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5092] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... mkdir resumed>) = 0 [pid 309] umount2("./965", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] openat(AT_FDCWD, "./965", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 5092] <... unlinkat resumed>) = 0 [pid 5092] exit_group(0) = ? [pid 5092] +++ exited with 0 +++ [pid 309] <... openat resumed>) = 3 [pid 308] rmdir("./973/config" [pid 306] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5093 [pid 309] fstat(3ci2-android-6-1/strace-static-x86_64: Process 5093 attached [pid 5093] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5092, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rmdir("./912" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5093] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5093] chdir("./988") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] umount2("./965/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./913", 0777 [pid 309] newfstatat(AT_FDCWD, "./965/binderfs" [pid 308] <... close resumed>) = 0 [pid 5093] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5093] setpgid(0, 0) = 0 [pid 5093] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... mkdir resumed>) = 0 executing program [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rmdir("./973" [pid 309] unlink("./965/binderfs" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5093] <... openat resumed>) = 3 [pid 5093] write(3, "1000", 4 [pid 308] <... rmdir resumed>) = 0 [pid 5093] <... write resumed>) = 4 [pid 5093] close(3 [pid 309] <... unlink resumed>) = 0 [pid 308] mkdir("./974", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5093] <... close resumed>) = 0 [pid 5093] symlink("/dev/binderfs", "./binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = 0 [pid 5093] <... symlink resumed>) = 0 [pid 5093] write(1, "executing program\n", 18) = 18 [pid 5093] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5094 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./965/config" [pid 5093] <... mkdirat resumed>) = 0 [pid 5093] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5095 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./965/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 5093] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(4ci2-android-6-1/strace-static-x86_64: Process 5095 attached [pid 5093] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5093] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(4 [pid 5093] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5093] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(4 [pid 5093] <... unlinkat resumed>) = 0 [pid 5093] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] close(4 [pid 5093] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./965/config" [pid 307] umount2("./939", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5093] exit_group(0) = ? [pid 5095] set_robust_list(0x55556c898760, 24 [pid 5093] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./939", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5093, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(3 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] fstat(3 [pid 309] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5094 attached [pid 309] rmdir("./965" [pid 307] getdents64(3 [pid 5094] set_robust_list(0x55556c898760, 24) = 0 [pid 5094] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 5094] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] mkdir("./966", 0777 [pid 307] umount2("./939/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5094] chdir("./913") = 0 [pid 5094] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5094] setpgid(0, 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5095] <... set_robust_list resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./939/binderfs" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] unlink("./939/binderfs" [pid 5094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5094] write(3, "1000", 4) = 4 [pid 5094] close(3) = 0 [pid 5094] symlink("/dev/binderfs", "./binderfs" [pid 307] <... unlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5096 [pid 307] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5095] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5095] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./939/config" [pid 5095] chdir("./974" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5094] <... symlink resumed>) = 0 [pid 307] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5094] write(1, "executing program\n", 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5094] <... write resumed>) = 18 [pid 307] openat(AT_FDCWD, "./939/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5094] mkdirat(AT_FDCWD, "./config", 0777 [pid 5095] <... chdir resumed>) = 0 [pid 5094] <... mkdirat resumed>) = 0 [pid 307] <... openat resumed>) = 4 executing program [pid 5094] mount(NULL, "./config", "configfs", 0, NULL [pid 307] fstat(4 [pid 5094] <... mount resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] getdents64(4 [pid 5094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5094] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] getdents64(4 [pid 5094] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5094] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] close(4 [pid 5095] <... prctl resumed>) = 0 [pid 5094] <... mkdirat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 5094] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rmdir("./939/config" [pid 5094] <... symlinkat resumed>) = 0 [pid 5094] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5094] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] getdents64(3 [pid 5095] setpgid(0, 0 [pid 5094] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5094] exit_group(0) = ? [pid 307] close(3 [pid 5095] <... setpgid resumed>) = 0 [pid 5095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5094] +++ exited with 0 +++ [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./939" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5094, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 5096 attached [pid 5096] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] mkdir("./940", 0777 [pid 5096] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5096] chdir("./966") = 0 [pid 5096] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 5095] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5096] setpgid(0, 0 [pid 5095] write(3, "1000", 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5096] <... setpgid resumed>) = 0 [pid 310] umount2("./988", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... restart_syscall resumed>) = 0 [pid 5095] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5096] write(3, "1000", 4) = 4 [pid 5096] close(3) = 0 [pid 5096] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5095] close(3 [pid 310] openat(AT_FDCWD, "./988", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5097 [pid 306] umount2("./913", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 5096] write(1, "executing program\n", 18 [pid 310] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] <... write resumed>) = 18 [pid 5096] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./913", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5096] <... mkdirat resumed>) = 0 [pid 5095] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 5096] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] fstat(3 executing program [pid 5095] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./988/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./988/binderfs" [pid 5096] <... mount resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] unlink("./988/binderfs" [pid 306] umount2("./913/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5096] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./988/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./913/binderfs" [pid 5096] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5095] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] unlink("./913/binderfs" [pid 5095] write(1, "executing program\n", 18 [pid 310] umount2("./988/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5096] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5096] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... unlink resumed>) = 0 [pid 5095] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./988/config" [pid 5096] <... mkdirat resumed>) = 0 [pid 5095] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 310] umount2("./988/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./988/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5096] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] newfstatat(AT_FDCWD, "./913/config" [pid 310] <... openat resumed>) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 5095] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./913/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5095] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5096] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] openat(AT_FDCWD, "./913/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5095] <... mount resumed>) = 0 [pid 310] getdents64(4 [pid 5095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(4 [pid 310] close(4 [pid 5095] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5096] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 5095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./988/config" [pid 306] getdents64(4 [pid 5096] <... unlinkat resumed>) = 0 [pid 5096] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5095] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 306] getdents64(4 [pid 5095] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 306] close(4 [pid 5096] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] rmdir("./988" [pid 306] rmdir("./913/config" [pid 5096] <... exit_group resumed>) = ? [pid 5096] +++ exited with 0 +++ [pid 5095] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] mkdir("./989", 0777 [pid 5095] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 5097 attached [pid 5097] set_robust_list(0x55556c898760, 24) = 0 [pid 5097] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5096, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5095] <... symlinkat resumed>) = 0 [pid 306] rmdir("./913" [pid 5097] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5097] chdir("./940") = 0 [pid 5097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5097] setpgid(0, 0) = 0 [pid 5097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5097] write(3, "1000", 4) = 4 [pid 5097] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5098 [pid 5095] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] mkdir("./914", 0777 [pid 5097] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5097] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5095] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5097] write(1, "executing program\n", 18 [pid 5095] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5097] <... write resumed>) = 18 [pid 5097] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5097] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5099 [pid 5097] <... mount resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5095] <... unlinkat resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5095] exit_group(0 [pid 5097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) executing program [pid 5097] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 5099 attached ) = 0 [pid 5095] <... exit_group resumed>) = ? [pid 5097] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5097] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5097] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5095] +++ exited with 0 +++ [pid 5097] exit_group(0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5095, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5097] <... exit_group resumed>) = ? [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5099] set_robust_list(0x55556c898760, 24 [pid 5097] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 5098 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5097, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5098] set_robust_list(0x55556c898760, 24 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5098] <... set_robust_list resumed>) = 0 [pid 5098] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] umount2("./974", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5098] chdir("./989" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5098] <... chdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./974", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... restart_syscall resumed>) = 0 [pid 5098] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 5098] <... prctl resumed>) = 0 [pid 5098] setpgid(0, 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./966", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5098] <... setpgid resumed>) = 0 [pid 308] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5098] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] openat(AT_FDCWD, "./966", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... openat resumed>) = 3 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] umount2("./974/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5098] write(3, "1000", 4) = 4 [pid 5098] close(3 [pid 309] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./974/binderfs" [pid 307] umount2("./940", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./966/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./974/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./940", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5098] <... close resumed>) = 0 [pid 5098] symlink("/dev/binderfs", "./binderfs" [pid 308] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./966/binderfs" [pid 307] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./974/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./966/binderfs" [pid 307] fstat(3 [pid 5098] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./974/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 5098] write(1, "executing program\n", 18) = 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./974/config" [pid 307] umount2("./940/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] newfstatat(AT_FDCWD, "./966/config" [pid 308] umount2("./974/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./940/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./974/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] unlink("./940/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 4 [pid 5098] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] openat(AT_FDCWD, "./966/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... unlink resumed>) = 0 [pid 308] fstat(4 [pid 5099] <... set_robust_list resumed>) = 0 [pid 5098] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 308] getdents64(4 [pid 5098] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = 0 [pid 309] getdents64(4 [pid 308] getdents64(4 [pid 307] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5098] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] close(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./940/config" [pid 309] close(4 [pid 308] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./974/config" [pid 309] rmdir("./966/config" [pid 307] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5098] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] openat(AT_FDCWD, "./940/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 309] close(3 [pid 307] fstat(4 [pid 308] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./974" [pid 309] rmdir("./966" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5098] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5098] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 5098] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] mkdir("./975", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] mkdir("./967", 0777 [pid 5098] exit_group(0) = ? [pid 5098] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5098, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] close(4 [pid 5099] rt_sigprocmask(SIG_SETMASK, [] [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... close resumed>) = 0 [pid 310] umount2("./989", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5099] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5099] chdir("./914") = 0 [pid 5099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5099] setpgid(0, 0) = 0 [pid 5099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./940/config" [pid 5099] <... openat resumed>) = 3 [pid 5099] write(3, "1000", 4) = 4 [pid 310] openat(AT_FDCWD, "./989", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5099] close(3) = 0 [pid 5099] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5100 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5101 [pid 307] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 307] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5099] write(1, "executing program\n", 18) = 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5099] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] close(3 [pid 310] umount2("./989/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./989/binderfs" [pid 307] rmdir("./940" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5099] <... mkdirat resumed>) = 0 [pid 310] unlink("./989/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 5099] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] mkdir("./941", 0777 [pid 310] umount2("./989/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5099] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5099] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5099] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5101 attached [pid 5099] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./989/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5101] set_robust_list(0x55556c898760, 24 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5101] <... set_robust_list resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./989/config"ci2-android-6-1/strace-static-x86_64: Process 5100 attached [pid 5099] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5100] set_robust_list(0x55556c898760, 24 [pid 5099] <... symlinkat resumed>) = 0 [pid 5100] <... set_robust_list resumed>) = 0 [pid 5099] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5100] rt_sigprocmask(SIG_SETMASK, [] [pid 5099] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5101] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./989/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5102 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5100] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5099] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./989/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5101] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 5101] chdir("./975" [pid 5100] chdir("./967" [pid 5099] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5100] <... chdir resumed>) = 0 [pid 5099] exit_group(0 [pid 310] getdents64(4 [pid 5100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5099] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5101] <... chdir resumed>) = 0 [pid 310] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 5102 attached [pid 5101] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5100] <... prctl resumed>) = 0 [pid 5099] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 5100] setpgid(0, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5099, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5101] <... prctl resumed>) = 0 [pid 5100] <... setpgid resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./989/config" [pid 5102] set_robust_list(0x55556c898760, 24) = 0 [pid 5102] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 5102] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 5101] setpgid(0, 0 [pid 5100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5102] chdir("./941" [pid 310] close(3 [pid 5102] <... chdir resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 5102] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rmdir("./989" [pid 5101] <... setpgid resumed>) = 0 [pid 5100] <... openat resumed>) = 3 [pid 5102] <... prctl resumed>) = 0 [pid 5102] setpgid(0, 0) = 0 [pid 5102] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5100] write(3, "1000", 4 [pid 310] <... rmdir resumed>) = 0 [pid 5101] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] <... write resumed>) = 4 [pid 310] mkdir("./990", 0777 [pid 5102] write(3, "1000", 4) = 4 [pid 5102] close(3) = 0 [pid 5102] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5100] close(3 [pid 310] <... mkdir resumed>) = 0 [pid 5101] <... openat resumed>) = 3 [pid 5102] write(1, "executing program\n", 18 [pid 5100] <... close resumed>) = 0 executing program [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 5102] <... write resumed>) = 18 [pid 5101] write(3, "1000", 4 [pid 5100] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5101] <... write resumed>) = 4 [pid 5102] mkdirat(AT_FDCWD, "./config", 0777 [pid 5101] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5102] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5103 [pid 306] umount2("./914", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5101] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5101] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./914", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5102] mount(NULL, "./config", "configfs", 0, NULL [pid 5101] <... symlink resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 5100] <... symlink resumed>) = 0 [pid 306] fstat(3 [pid 5101] write(1, "executing program\n", 18 [pid 5100] write(1, "executing program\n", 18 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5102] <... mount resumed>) = 0 [pid 5101] <... write resumed>) = 18 [pid 5100] <... write resumed>) = 18 [pid 306] getdents64(3 [pid 5102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5100] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] umount2("./914/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5101] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program executing program [pid 5102] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] newfstatat(AT_FDCWD, "./914/binderfs" [pid 5101] <... mkdirat resumed>) = 0 [pid 5102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5102] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] unlink("./914/binderfs" [pid 5102] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... unlink resumed>) = 0 [pid 5101] mount(NULL, "./config", "configfs", 0, NULL [pid 5100] <... mkdirat resumed>) = 0 [pid 306] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5102] <... mkdirat resumed>) = 0 [pid 5101] <... mount resumed>) = 0 [pid 5100] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... umount2 resumed>) = 0 [pid 5102] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5100] <... mount resumed>) = 0 [pid 5101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5101] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5100] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] newfstatat(AT_FDCWD, "./914/config" [pid 5101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5101] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5100] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5101] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] umount2("./914/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5100] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5101] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5103 attached [pid 5102] <... symlinkat resumed>) = 0 [pid 5101] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5100] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] openat(AT_FDCWD, "./914/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5103] set_robust_list(0x55556c898760, 24 [pid 5102] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5101] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5100] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5103] <... set_robust_list resumed>) = 0 [pid 5102] <... unlinkat resumed>) = 0 [pid 5101] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... openat resumed>) = 4 [pid 5103] rt_sigprocmask(SIG_SETMASK, [] [pid 5102] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5100] <... symlinkat resumed>) = 0 [pid 306] fstat(4 [pid 5103] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5102] <... unlinkat resumed>) = 0 [pid 5101] <... unlinkat resumed>) = 0 [pid 5103] chdir("./990" [pid 5102] exit_group(0 [pid 5100] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5103] <... chdir resumed>) = 0 [pid 5102] <... exit_group resumed>) = ? [pid 5101] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5103] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5102] +++ exited with 0 +++ [pid 5100] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] getdents64(4 [pid 5103] <... prctl resumed>) = 0 [pid 5101] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5100] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5102, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5101] exit_group(0 [pid 5103] setpgid(0, 0 [pid 5100] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] close(4 [pid 5101] <... exit_group resumed>) = ? [pid 5103] <... setpgid resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5100] exit_group(0 [pid 306] rmdir("./914/config" [pid 5103] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5100] <... exit_group resumed>) = ? [pid 306] <... rmdir resumed>) = 0 [pid 5103] <... openat resumed>) = 3 [pid 5101] +++ exited with 0 +++ [pid 306] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5101, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5103] write(3, "1000", 4 [pid 306] close(3 [pid 5103] <... write resumed>) = 4 [pid 306] <... close resumed>) = 0 [pid 5103] close(3 [pid 5100] +++ exited with 0 +++ [pid 306] rmdir("./914" [pid 5103] <... close resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5100, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5103] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 5103] write(1, "executing program\n", 18 executing program [pid 306] mkdir("./915", 0777 [pid 5103] <... write resumed>) = 18 [pid 5103] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 5103] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5103] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5103] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 5104 attached ) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5104 [pid 309] umount2("./967", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./975", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./941", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./967", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./975", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5104] set_robust_list(0x55556c898760, 24 [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 307] openat(AT_FDCWD, "./941", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5104] <... set_robust_list resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(3 [pid 309] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5104] rt_sigprocmask(SIG_SETMASK, [] [pid 5103] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 307] fstat(3 [pid 5104] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5103] <... symlinkat resumed>) = 0 [pid 5104] chdir("./915" [pid 5103] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./967/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5104] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./975/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] newfstatat(AT_FDCWD, "./967/binderfs" [pid 307] getdents64(3 [pid 5104] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5104] setpgid(0, 0 [pid 5103] <... unlinkat resumed>) = 0 [pid 309] unlink("./967/binderfs" [pid 308] newfstatat(AT_FDCWD, "./975/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5104] <... setpgid resumed>) = 0 [pid 5103] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... unlink resumed>) = 0 [pid 5104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5103] <... unlinkat resumed>) = 0 [pid 309] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./941/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5104] <... openat resumed>) = 3 [pid 5103] exit_group(0 [pid 309] <... umount2 resumed>) = 0 [pid 308] unlink("./975/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5104] write(3, "1000", 4 [pid 5103] <... exit_group resumed>) = ? [pid 309] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5104] <... write resumed>) = 4 [pid 5103] +++ exited with 0 +++ [pid 308] <... unlink resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./941/binderfs" [pid 5104] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./975/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5104] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5103, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./967/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./941/binderfs" [pid 5104] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./975/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 5104] <... symlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./967/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5104] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./975/config" [pid 307] <... umount2 resumed>) = 0 [pid 5104] <... write resumed>) = 18 executing program [pid 5104] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] fstat(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./975/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./975/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./941/config" [pid 5104] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... openat resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5104] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] fstat(4 [pid 309] close(4 [pid 307] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./967/config" [pid 308] getdents64(4 [pid 307] openat(AT_FDCWD, "./941/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5104] <... mount resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(3 [pid 307] <... openat resumed>) = 4 [pid 5104] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(4 [pid 5104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(3 [pid 307] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 5104] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./967" [pid 307] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5104] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./975/config" [pid 309] mkdir("./968", 0777 [pid 307] getdents64(4 [pid 5104] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5104] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] close(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 5104] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3 [pid 307] rmdir("./941/config" [pid 5104] <... unlinkat resumed>) = 0 [pid 310] umount2("./990", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 5104] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./975" [pid 307] <... rmdir resumed>) = 0 [pid 5104] <... unlinkat resumed>) = 0 [pid 5104] exit_group(0 [pid 310] openat(AT_FDCWD, "./990", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 5104] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 5105 attached [pid 5104] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5105 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5105] set_robust_list(0x55556c898760, 24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] mkdir("./976", 0777 [pid 307] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5105] <... set_robust_list resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] rmdir("./941" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5104, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5105] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rmdir resumed>) = 0 [pid 5105] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./990/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] mkdir("./942", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5105] chdir("./968" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... mkdir resumed>) = 0 [pid 5105] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./990/binderfs" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5107 attached [pid 5105] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5107] set_robust_list(0x55556c898760, 24 [pid 5105] <... prctl resumed>) = 0 [pid 310] unlink("./990/binderfs" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5106 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5107 [pid 5107] <... set_robust_list resumed>) = 0 [pid 5105] setpgid(0, 0 [pid 310] <... unlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5107] rt_sigprocmask(SIG_SETMASK, [] [pid 5105] <... setpgid resumed>) = 0 [pid 310] umount2("./990/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5107] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5105] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./990/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5105] <... openat resumed>) = 3 [pid 5107] chdir("./942" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5105] write(3, "1000", 4 [pid 5107] <... chdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./990/config" [pid 5105] <... write resumed>) = 4 [pid 5107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5105] close(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5107] <... prctl resumed>) = 0 [pid 5105] <... close resumed>) = 0 [pid 5107] setpgid(0, 0 [pid 310] umount2("./990/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5107] <... setpgid resumed>) = 0 [pid 5105] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./990/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 5105] write(1, "executing program\n", 18 [pid 310] fstat(4 [pid 5105] <... write resumed>) = 18 executing program [pid 5105] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5107] <... openat resumed>) = 3 [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 ci2-android-6-1/strace-static-x86_64: Process 5106 attached [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5107] write(3, "1000", 4 [pid 5105] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 5107] <... write resumed>) = 4 [pid 5105] mount(NULL, "./config", "configfs", 0, NULL [pid 5107] close(3 [pid 310] <... close resumed>) = 0 [pid 5107] <... close resumed>) = 0 [pid 5105] <... mount resumed>) = 0 [pid 310] rmdir("./990/config" [pid 5107] symlink("/dev/binderfs", "./binderfs" [pid 5105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5106] set_robust_list(0x55556c898760, 24 [pid 5105] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 5105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] getdents64(3 [pid 5105] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5107] <... symlink resumed>) = 0 [pid 5107] write(1, "executing program\n", 18 [pid 5105] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] close(3 [pid 5107] <... write resumed>) = 18 executing program [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./990" [pid 5106] <... set_robust_list resumed>) = 0 [pid 5106] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./991", 0777 [pid 5106] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5106] chdir("./976") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 5105] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5107] mkdirat(AT_FDCWD, "./config", 0777 [pid 5105] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5106] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5106] setpgid(0, 0) = 0 [pid 5106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5105] <... symlinkat resumed>) = 0 [pid 5105] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5108 [pid 5106] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... restart_syscall resumed>) = 0 [pid 5105] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5107] <... mkdirat resumed>) = 0 [pid 5105] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./915", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5107] mount(NULL, "./config", "configfs", 0, NULL [pid 5105] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5106] write(3, "1000", 4 [pid 306] openat(AT_FDCWD, "./915", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5105] exit_group(0 [pid 5106] <... write resumed>) = 4 [pid 5105] <... exit_group resumed>) = ? [pid 306] <... openat resumed>) = 3 [pid 5107] <... mount resumed>) = 0 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5106] close(3 [pid 306] getdents64(3 [pid 5106] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5106] symlink("/dev/binderfs", "./binderfs" [pid 306] umount2("./915/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5107] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5105] +++ exited with 0 +++ [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5105, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] newfstatat(AT_FDCWD, "./915/binderfs" [pid 5107] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5106] <... symlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5107] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5106] write(1, "executing program\n", 18 executing program [pid 306] unlink("./915/binderfs" [pid 5106] <... write resumed>) = 18 [pid 306] <... unlink resumed>) = 0 [pid 5106] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5107] <... mkdirat resumed>) = 0 [pid 5106] <... mkdirat resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 5107] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5107] <... symlinkat resumed>) = 0 [pid 5106] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5107] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] newfstatat(AT_FDCWD, "./915/config" [pid 5107] <... unlinkat resumed>) = 0 [pid 5106] <... mount resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5107] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./915/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5107] <... unlinkat resumed>) = 0 [pid 5106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5106] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] openat(AT_FDCWD, "./915/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5107] exit_group(0 [pid 5106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5107] <... exit_group resumed>) = ? [pid 5106] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... openat resumed>) = 4 [pid 5106] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] fstat(4 [pid 5106] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5107] +++ exited with 0 +++ [pid 5106] <... symlinkat resumed>) = 0 [pid 306] getdents64(4 [pid 5106] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5107, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5106] <... unlinkat resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5106] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] getdents64(4 [pid 5106] exit_group(0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5106] <... exit_group resumed>) = ? [pid 306] close(4 [pid 5106] +++ exited with 0 +++ [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./915/config" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5106, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 5108 attached [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 5108] set_robust_list(0x55556c898760, 24 [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./915" [pid 5108] <... set_robust_list resumed>) = 0 [pid 5108] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./916", 0777 [pid 5108] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5108] chdir("./991") = 0 [pid 306] <... mkdir resumed>) = 0 [pid 5108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5108] <... prctl resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5108] setpgid(0, 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5108] <... setpgid resumed>) = 0 [pid 5108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5108] write(3, "1000", 4ci2-android-6-1/strace-static-x86_64: Process 5109 attached [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5109 [pid 5109] set_robust_list(0x55556c898760, 24 [pid 5108] <... write resumed>) = 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5109] <... set_robust_list resumed>) = 0 [pid 5108] close(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5108] <... close resumed>) = 0 [pid 5109] rt_sigprocmask(SIG_SETMASK, [] [pid 5108] symlink("/dev/binderfs", "./binderfs" [pid 5109] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5109] chdir("./916" [pid 5108] <... symlink resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 5109] <... chdir resumed>) = 0 [pid 5109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5108] write(1, "executing program\n", 18 [pid 5109] setpgid(0, 0 [pid 309] umount2("./968", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5109] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5108] <... write resumed>) = 18 executing program [pid 309] openat(AT_FDCWD, "./968", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5108] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... openat resumed>) = 3 [pid 5109] <... openat resumed>) = 3 [pid 5108] <... mkdirat resumed>) = 0 [pid 309] fstat(3 [pid 5109] write(3, "1000", 4 [pid 5108] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5109] <... write resumed>) = 4 [pid 5109] close(3 [pid 5108] <... mount resumed>) = 0 [pid 309] getdents64(3 [pid 5108] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5109] <... close resumed>) = 0 [pid 309] umount2("./968/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5108] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5108] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] newfstatat(AT_FDCWD, "./968/binderfs" [pid 5108] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5108] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] unlink("./968/binderfs" [pid 5108] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 5108] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./968/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5108] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 5108] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./968/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5108] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5108] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] newfstatat(AT_FDCWD, "./968/config" [pid 5108] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5108] exit_group(0 [pid 309] umount2("./968/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5108] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5109] symlink("/dev/binderfs", "./binderfs" [pid 5108] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "./968/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5109] <... symlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5108, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... openat resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] fstat(4 [pid 5109] write(1, "executing program\n", 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5109] <... write resumed>) = 18 [pid 309] getdents64(4 [pid 308] umount2("./976", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./942", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5109] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5109] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 308] openat(AT_FDCWD, "./976", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./942", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5109] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 5109] <... mount resumed>) = 0 [pid 309] close(4 [pid 308] fstat(3 [pid 307] fstat(3 [pid 5109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5109] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 5109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rmdir("./968/config" [pid 308] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5109] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] umount2("./942/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5109] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5109] <... mkdirat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./976/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./942/binderfs" [pid 5109] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5109] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./976/binderfs" [pid 307] unlink("./942/binderfs" [pid 5109] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 5109] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] unlink("./976/binderfs" [pid 307] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5109] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rmdir("./968" [pid 308] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 5109] <... unlinkat resumed>) = 0 [pid 307] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5109] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./976/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5109] <... exit_group resumed>) = ? [pid 309] mkdir("./969", 0777 [pid 307] newfstatat(AT_FDCWD, "./942/config" [pid 5109] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./942/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./976/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./976/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5109, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./942/config" [pid 308] umount2("./976/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5110 [pid 307] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./976/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] rmdir("./942" [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] fstat(4 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./943", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] umount2("./991", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] openat(AT_FDCWD, "./991", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./916", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 308] getdents64(4 [pid 310] fstat(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5111 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 308] close(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./916", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5110 attached [pid 5110] set_robust_list(0x55556c898760, 24 [pid 308] rmdir("./976/config" [pid 306] <... openat resumed>) = 3 [pid 310] umount2("./991/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./991/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./916/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./991/binderfs" [pid 308] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./916/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5111 attached [pid 5110] <... set_robust_list resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] rmdir("./976" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./991/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./916/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] mkdir("./977", 0777 [pid 306] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./916/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./991/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 306] umount2("./916/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5110] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./991/config" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./916/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5110] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 4 [pid 5110] chdir("./969" [pid 310] umount2("./991/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 5110] <... chdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] getdents64(4 [pid 5110] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5110] setpgid(0, 0 [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 5112 attached [pid 5110] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] openat(AT_FDCWD, "./991/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5112 [pid 306] close(4 [pid 5112] set_robust_list(0x55556c898760, 24 [pid 5110] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 5112] <... set_robust_list resumed>) = 0 [pid 5110] write(3, "1000", 4 [pid 310] fstat(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./916/config" [pid 5112] rt_sigprocmask(SIG_SETMASK, [] [pid 5110] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5112] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5110] close(3 [pid 310] getdents64(4 executing program [pid 306] getdents64(3 [pid 5110] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5112] chdir("./977" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5112] <... chdir resumed>) = 0 [pid 5110] symlink("/dev/binderfs", "./binderfs" [pid 310] getdents64(4 [pid 306] close(3 [pid 5112] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5110] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 5112] <... prctl resumed>) = 0 [pid 5110] write(1, "executing program\n", 18 [pid 310] close(4 [pid 306] rmdir("./916" [pid 5112] setpgid(0, 0 [pid 5110] <... write resumed>) = 18 [pid 310] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5112] <... setpgid resumed>) = 0 [pid 5110] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rmdir("./991/config" [pid 306] mkdir("./917", 0777 [pid 5112] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5110] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 5110] mount(NULL, "./config", "configfs", 0, NULL [pid 310] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5112] <... openat resumed>) = 3 [pid 5110] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5112] write(3, "1000", 4 [pid 5110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] close(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5113 attached [pid 5112] <... write resumed>) = 4 [pid 5110] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 5112] close(3 [pid 5110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./991" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5113 [pid 5113] set_robust_list(0x55556c898760, 24 [pid 5112] <... close resumed>) = 0 [pid 5110] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5110] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5113] <... set_robust_list resumed>) = 0 [pid 5112] symlink("/dev/binderfs", "./binderfs" [pid 5110] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5110] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] mkdir("./992", 0777 [pid 5110] <... symlinkat resumed>) = 0 [pid 5110] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 5110] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5112] <... symlink resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5113] rt_sigprocmask(SIG_SETMASK, [] [pid 5112] write(1, "executing program\n", 18 [pid 5111] set_robust_list(0x55556c898760, 24 [pid 5110] <... unlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5111] <... set_robust_list resumed>) = 0 [pid 5110] exit_group(0 [pid 5111] rt_sigprocmask(SIG_SETMASK, [] [pid 5110] <... exit_group resumed>) = ? executing program [pid 5113] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5112] <... write resumed>) = 18 [pid 5111] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5110] +++ exited with 0 +++ [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5114 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5110, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5112] mkdirat(AT_FDCWD, "./config", 0777 [pid 5111] chdir("./943" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5113] chdir("./917" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5111] <... chdir resumed>) = 0 [pid 5111] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5111] setpgid(0, 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 5111] <... setpgid resumed>) = 0 [pid 5111] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] <... chdir resumed>) = 0 [pid 5112] <... mkdirat resumed>) = 0 [pid 309] umount2("./969", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5113] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5112] mount(NULL, "./config", "configfs", 0, NULL [pid 5111] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5111] write(3, "1000", 4 [pid 309] openat(AT_FDCWD, "./969", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5111] <... write resumed>) = 4 [pid 5111] close(3 [pid 309] <... openat resumed>) = 3 [pid 5113] <... prctl resumed>) = 0 [pid 5112] <... mount resumed>) = 0 [pid 309] fstat(3 [pid 5113] setpgid(0, 0 [pid 5112] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5113] <... setpgid resumed>) = 0 [pid 5112] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(3 [pid 5111] <... close resumed>) = 0 [pid 5111] symlink("/dev/binderfs", "./binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5112] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./969/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5112] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5113] <... openat resumed>) = 3 [pid 5112] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5111] <... symlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./969/binderfs" [pid 5111] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5111] <... write resumed>) = 18 [pid 309] unlink("./969/binderfs" [pid 5112] <... mkdirat resumed>) = 0 executing program [pid 5111] mkdirat(AT_FDCWD, "./config", 0777 [pid 5113] write(3, "1000", 4 [pid 5112] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5111] <... mkdirat resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 5111] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./969/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5113] <... write resumed>) = 4 [pid 5112] <... symlinkat resumed>) = 0 [pid 5111] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 5113] close(3 [pid 5112] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5113] <... close resumed>) = 0 [pid 309] umount2("./969/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5113] symlink("/dev/binderfs", "./binderfs" [pid 5112] <... unlinkat resumed>) = 0 [pid 5111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5112] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5111] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./969/config" [pid 5111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5112] <... unlinkat resumed>) = 0 [pid 309] umount2("./969/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5114 attached [pid 5112] exit_group(0 [pid 5111] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5114] set_robust_list(0x55556c898760, 24 [pid 5112] <... exit_group resumed>) = ? [pid 5113] <... symlink resumed>) = 0 [pid 5111] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] openat(AT_FDCWD, "./969/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5114] <... set_robust_list resumed>) = 0 [pid 5111] <... mkdirat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 5114] rt_sigprocmask(SIG_SETMASK, [] [pid 5111] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] fstat(4 [pid 5114] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5111] <... symlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5114] chdir("./992" [pid 5112] +++ exited with 0 +++ [pid 5113] write(1, "executing program\n", 18 [pid 5111] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 309] getdents64(4 [pid 5114] <... chdir resumed>) = 0 [pid 5113] <... write resumed>) = 18 [pid 5111] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5112, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5114] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5113] mkdirat(AT_FDCWD, "./config", 0777 [pid 5111] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] close(4 [pid 5114] <... prctl resumed>) = 0 [pid 5111] <... unlinkat resumed>) = 0 [pid 5114] setpgid(0, 0 [pid 5111] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 5114] <... setpgid resumed>) = 0 [pid 5111] <... exit_group resumed>) = ? [pid 309] rmdir("./969/config" [pid 308] <... restart_syscall resumed>) = 0 [pid 5114] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5113] <... mkdirat resumed>) = 0 [pid 5111] +++ exited with 0 +++ [pid 5114] <... openat resumed>) = 3 [pid 5113] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5111, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5114] write(3, "1000", 4 [pid 309] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5114] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 308] umount2("./977", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./969" [pid 5113] <... mount resumed>) = 0 [pid 308] openat(AT_FDCWD, "./977", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5114] close(3) = 0 [pid 5114] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5113] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] mkdir("./970", 0777 [pid 308] fstat(3 [pid 5114] write(1, "executing program\n", 18) = 18 executing program [pid 5114] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5113] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5113] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5113] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(3 [pid 5113] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5114] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5114] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] umount2("./977/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5114] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5113] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5115 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5114] <... symlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] newfstatat(AT_FDCWD, "./977/binderfs" [pid 5113] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5114] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5114] <... unlinkat resumed>) = 0 [pid 5114] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5114] exit_group(0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5113] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] unlink("./977/binderfs" [pid 5114] <... exit_group resumed>) = ? [pid 5114] +++ exited with 0 +++ [pid 5113] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5115 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5114, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./977/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5113] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5115] set_robust_list(0x55556c898760, 24 [pid 5113] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = 0 [pid 5115] <... set_robust_list resumed>) = 0 [pid 308] umount2("./977/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5113] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] rt_sigprocmask(SIG_SETMASK, [] [pid 5113] exit_group(0 [pid 308] newfstatat(AT_FDCWD, "./977/config" [pid 5115] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5113] <... exit_group resumed>) = ? [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5115] chdir("./970" [pid 308] umount2("./977/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5115] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./992", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./977/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... openat resumed>) = 4 [pid 310] openat(AT_FDCWD, "./992", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(4 [pid 5115] <... prctl resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] fstat(3 [pid 308] getdents64(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5115] setpgid(0, 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(3 [pid 308] getdents64(4 [pid 5115] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./992/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./992/binderfs" [pid 308] rmdir("./977/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] unlink("./992/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 5115] write(3, "1000", 4) = 4 [pid 5115] close(3 [pid 310] <... unlink resumed>) = 0 [pid 308] getdents64(3 [pid 310] umount2("./992/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5115] <... close resumed>) = 0 [pid 5115] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5115] write(1, "executing program\n", 18) = 18 executing program [pid 5115] mkdirat(AT_FDCWD, "./config", 0777 [pid 5113] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = 0 [pid 308] close(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] umount2("./992/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5113, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./977" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./992/config" [pid 307] umount2("./943", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./943", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] umount2("./992/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./978", 0777 [pid 307] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5115] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 310] openat(AT_FDCWD, "./992/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5115] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./943/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5115] <... mount resumed>) = 0 [pid 310] fstat(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] newfstatat(AT_FDCWD, "./943/binderfs" [pid 5115] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] unlink("./943/binderfs" [pid 5115] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 307] <... unlink resumed>) = 0 [pid 5115] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5115] <... mkdirat resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5116 [pid 307] <... umount2 resumed>) = 0 [pid 5115] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 307] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 5116 attached [pid 5115] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] close(4 [pid 307] newfstatat(AT_FDCWD, "./943/config" [pid 5115] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5115] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./992/config" [pid 307] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5116] set_robust_list(0x55556c898760, 24 [pid 5115] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5115] exit_group(0 [pid 307] openat(AT_FDCWD, "./943/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5115] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 5116] <... set_robust_list resumed>) = 0 [pid 5115] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 307] fstat(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5115, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] rmdir("./992" [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./943/config" [pid 310] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] mkdir("./993", 0777 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./943") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] mkdir("./944", 0777 [pid 5116] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5118 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5117 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./970", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./917", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./970", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./917", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 309] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./917/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./917/binderfs" [pid 309] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] unlink("./917/binderfs" [pid 309] umount2("./970/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./970/binderfs" [pid 306] <... umount2 resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./970/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./917/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./917/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./917/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./970/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] getdents64(4 [pid 5116] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./970/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./970/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 309] umount2("./970/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./917/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 5116] chdir("./978" [pid 309] openat(AT_FDCWD, "./970/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 4 [pid 5116] <... chdir resumed>) = 0 [pid 306] close(3 [pid 309] fstat(4 [pid 306] <... close resumed>) = 0 [pid 5116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rmdir("./917" [pid 5116] <... prctl resumed>) = 0 [pid 309] getdents64(4 [pid 306] <... rmdir resumed>) = 0 [pid 5116] setpgid(0, 0 [pid 306] mkdir("./918", 0777 [pid 5116] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5116] <... openat resumed>) = 3 [pid 309] close(4ci2-android-6-1/strace-static-x86_64: Process 5118 attached ci2-android-6-1/strace-static-x86_64: Process 5117 attached [pid 5116] write(3, "1000", 4 [pid 309] <... close resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5119 [pid 5118] set_robust_list(0x55556c898760, 24 [pid 5117] set_robust_list(0x55556c898760, 24 [pid 5116] <... write resumed>) = 4 [pid 309] rmdir("./970/config" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5118] <... set_robust_list resumed>) = 0 [pid 5117] <... set_robust_list resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5118] rt_sigprocmask(SIG_SETMASK, [] [pid 5117] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rmdir resumed>) = 0 [pid 5118] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5117] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5116] close(3 [pid 309] getdents64(3 [pid 5118] chdir("./993" [pid 5117] chdir("./944" [pid 5116] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5116] symlink("/dev/binderfs", "./binderfs" [pid 309] close(3 [pid 5118] <... chdir resumed>) = 0 [pid 5117] <... chdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./970" [pid 5118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5118] <... prctl resumed>) = 0 [pid 5117] <... prctl resumed>) = 0 [pid 5118] setpgid(0, 0 [pid 5117] setpgid(0, 0 [pid 5118] <... setpgid resumed>) = 0 [pid 5117] <... setpgid resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 5116] <... symlink resumed>) = 0 [pid 309] mkdir("./971", 0777 [pid 5118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5118] <... openat resumed>) = 3 [pid 5117] <... openat resumed>) = 3 [pid 5116] write(1, "executing program\n", 18 [pid 309] <... mkdir resumed>) = 0 [pid 5118] write(3, "1000", 4 [pid 5117] write(3, "1000", 4 [pid 5116] <... write resumed>) = 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5118] <... write resumed>) = 4 [pid 5117] <... write resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 5116] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5118] close(3 [pid 5117] close(3 [pid 5118] <... close resumed>) = 0 [pid 5117] <... close resumed>) = 0 [pid 5118] symlink("/dev/binderfs", "./binderfs" [pid 5117] symlink("/dev/binderfs", "./binderfs" [pid 5118] <... symlink resumed>) = 0 [pid 5117] <... symlink resumed>) = 0 [pid 5118] write(1, "executing program\n", 18 [pid 5117] write(1, "executing program\n", 18 [pid 5118] <... write resumed>) = 18 [pid 5117] <... write resumed>) = 18 executing program executing program [pid 5118] mkdirat(AT_FDCWD, "./config", 0777 [pid 5117] mkdirat(AT_FDCWD, "./config", 0777 [pid 5116] <... mkdirat resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5120 ci2-android-6-1/strace-static-x86_64: Process 5119 attached [pid 5118] <... mkdirat resumed>) = 0 [pid 5117] <... mkdirat resumed>) = 0 [pid 5116] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5118] mount(NULL, "./config", "configfs", 0, NULL [pid 5117] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5116] <... mount resumed>) = 0 [pid 5118] <... mount resumed>) = 0 [pid 5117] <... mount resumed>) = 0 [pid 5116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5118] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5118] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5117] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5118] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5117] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5116] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5119] set_robust_list(0x55556c898760, 24 [pid 5118] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5117] <... mkdirat resumed>) = 0 [pid 5116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5118] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5117] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5116] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5118] <... symlinkat resumed>) = 0 [pid 5117] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5116] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5118] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5117] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5119] <... set_robust_list resumed>) = 0 [pid 5118] <... unlinkat resumed>) = 0 [pid 5117] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5116] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5118] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5117] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5118] <... unlinkat resumed>) = 0 [pid 5117] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5116] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5119] rt_sigprocmask(SIG_SETMASK, [] [pid 5118] exit_group(0 [pid 5117] exit_group(0 [pid 5118] <... exit_group resumed>) = ? [pid 5117] <... exit_group resumed>) = ? [pid 5116] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) ci2-android-6-1/strace-static-x86_64: Process 5120 attached [pid 5119] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5118] +++ exited with 0 +++ [pid 5117] +++ exited with 0 +++ [pid 5116] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5118, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5117, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5119] chdir("./918" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5116] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5119] <... chdir resumed>) = 0 [pid 5116] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5120] set_robust_list(0x55556c898760, 24 [pid 5119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5116] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5120] <... set_robust_list resumed>) = 0 [pid 5120] rt_sigprocmask(SIG_SETMASK, [] [pid 5119] <... prctl resumed>) = 0 [pid 5116] exit_group(0 [pid 5120] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5119] setpgid(0, 0 [pid 5116] <... exit_group resumed>) = ? [pid 5120] chdir("./971") = 0 [pid 5120] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5120] setpgid(0, 0) = 0 [pid 5120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5120] write(3, "1000", 4 [pid 5116] +++ exited with 0 +++ [pid 5119] <... setpgid resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5116, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5120] <... write resumed>) = 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5120] close(3 [pid 5119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5120] <... close resumed>) = 0 [pid 5120] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5119] <... openat resumed>) = 3 executing program [pid 5120] write(1, "executing program\n", 18) = 18 [pid 5120] mkdirat(AT_FDCWD, "./config", 0777 [pid 5119] write(3, "1000", 4 [pid 5120] <... mkdirat resumed>) = 0 [pid 5119] <... write resumed>) = 4 [pid 5120] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5119] close(3 [pid 5120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5120] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5119] <... close resumed>) = 0 [pid 5120] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5119] symlink("/dev/binderfs", "./binderfs" [pid 5120] <... symlinkat resumed>) = 0 [pid 5120] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5120] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 5120] exit_group(0 [pid 5119] <... symlink resumed>) = 0 [pid 5120] <... exit_group resumed>) = ? [pid 5120] +++ exited with 0 +++ [pid 5119] write(1, "executing program\n", 18 [pid 308] umount2("./978", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5119] <... write resumed>) = 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5120, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] openat(AT_FDCWD, "./978", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5119] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 5119] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5119] mount(NULL, "./config", "configfs", 0, NULL [pid 308] umount2("./978/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5119] <... mount resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] newfstatat(AT_FDCWD, "./978/binderfs" [pid 5119] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] unlink("./978/binderfs" [pid 5119] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5119] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./978/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5119] <... mkdirat resumed>) = 0 [pid 5119] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = 0 [pid 5119] <... symlinkat resumed>) = 0 [pid 308] umount2("./978/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5119] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5119] <... unlinkat resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./978/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5119] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./971", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./978/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./971", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./978/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 4 [pid 5119] <... unlinkat resumed>) = 0 [pid 309] fstat(3 [pid 308] fstat(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 308] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5119] exit_group(0 [pid 309] umount2("./971/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5119] <... exit_group resumed>) = ? [pid 308] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./971/binderfs" [pid 308] close(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] unlink("./971/binderfs" [pid 308] rmdir("./978/config" [pid 309] <... unlink resumed>) = 0 [pid 307] umount2("./944", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./971/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./993", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./944", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... openat resumed>) = 3 [pid 5119] +++ exited with 0 +++ [pid 310] openat(AT_FDCWD, "./993", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./971/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] fstat(3 [pid 310] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5119, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] fstat(3 [pid 309] newfstatat(AT_FDCWD, "./971/config" [pid 308] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rmdir("./978" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] getdents64(3 [pid 309] umount2("./971/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./944/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./944/binderfs" [pid 310] umount2("./993/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./979", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./971/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] unlink("./944/binderfs" [pid 310] newfstatat(AT_FDCWD, "./993/binderfs" [pid 309] <... openat resumed>) = 4 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./993/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./993/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./944/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./993/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./944/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5121 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 306] <... restart_syscall resumed>) = 0 [pid 5121] set_robust_list(0x55556c898760, 24 [pid 310] newfstatat(AT_FDCWD, "./993/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5121 [pid 307] fstat(4 [pid 5121] <... set_robust_list resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5121] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./993/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 306] umount2("./918", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5121] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./971/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./993/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 306] openat(AT_FDCWD, "./918", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 3 [pid 307] close(4 [pid 306] fstat(3 [pid 5121] chdir("./979" [pid 310] <... openat resumed>) = 4 [pid 309] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5121] <... chdir resumed>) = 0 [pid 310] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./944/config" [pid 306] getdents64(3 [pid 5121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5121] <... prctl resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 307] getdents64(3 [pid 306] umount2("./918/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5121] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./971" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5121] <... setpgid resumed>) = 0 [pid 310] getdents64(4 [pid 307] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./918/binderfs" [pid 5121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./972", 0777 [pid 307] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(4 [pid 307] rmdir("./944" [pid 306] unlink("./918/binderfs" [pid 5121] <... openat resumed>) = 3 [pid 310] <... close resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5121] write(3, "1000", 4 [pid 310] rmdir("./993/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] mkdir("./945", 0777 [pid 306] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5121] <... write resumed>) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 5121] close(3 [pid 310] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./918/config"ci2-android-6-1/strace-static-x86_64: Process 5123 attached ci2-android-6-1/strace-static-x86_64: Process 5122 attached [pid 5121] <... close resumed>) = 0 [pid 310] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5123] set_robust_list(0x55556c898760, 24 [pid 5122] set_robust_list(0x55556c898760, 24 [pid 5121] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5122 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5123 [pid 306] umount2("./918/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5123] <... set_robust_list resumed>) = 0 [pid 5122] <... set_robust_list resumed>) = 0 [pid 5121] <... symlink resumed>) = 0 [pid 310] rmdir("./993" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5121] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 306] openat(AT_FDCWD, "./918/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5123] rt_sigprocmask(SIG_SETMASK, [] [pid 5122] rt_sigprocmask(SIG_SETMASK, [] [pid 5121] <... write resumed>) = 18 [pid 310] mkdir("./994", 0777 [pid 306] <... openat resumed>) = 4 [pid 5123] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5122] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5121] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] fstat(4 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 5122] chdir("./972" [pid 5121] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5123] chdir("./945" [pid 5122] <... chdir resumed>) = 0 [pid 5121] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(4 [pid 5122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5121] <... mount resumed>) = 0 [pid 5123] <... chdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5123] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5122] <... prctl resumed>) = 0 [pid 5121] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] close(4) = 0 [pid 306] rmdir("./918/config" [pid 5123] <... prctl resumed>) = 0 [pid 5122] setpgid(0, 0 [pid 5121] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 5123] setpgid(0, 0 [pid 5122] <... setpgid resumed>) = 0 [pid 5121] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5124 [pid 306] getdents64(3 [pid 5121] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5121] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5123] <... setpgid resumed>) = 0 [pid 306] close(3 [pid 5121] <... mkdirat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5122] <... openat resumed>) = 3 [pid 5121] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rmdir("./918" [pid 5123] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5122] write(3, "1000", 4 [pid 5121] <... symlinkat resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5123] <... openat resumed>) = 3 [pid 5122] <... write resumed>) = 4 [pid 5121] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] mkdir("./919", 0777 [pid 5123] write(3, "1000", 4 [pid 5122] close(3 [pid 5121] <... unlinkat resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 5123] <... write resumed>) = 4 [pid 5122] <... close resumed>) = 0 [pid 5121] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5123] close(3 [pid 5122] symlink("/dev/binderfs", "./binderfs" [pid 5121] <... unlinkat resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5123] <... close resumed>) = 0 [pid 5122] <... symlink resumed>) = 0 [pid 5121] exit_group(0 [pid 5123] symlink("/dev/binderfs", "./binderfs" [pid 5122] write(1, "executing program\n", 18 [pid 5121] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5125 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5121] +++ exited with 0 +++ [pid 5122] <... write resumed>) = 18 executing program [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5121, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5122] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5124 attached [pid 5124] set_robust_list(0x55556c898760, 24 [pid 5122] <... mkdirat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5125 attached [pid 5123] <... symlink resumed>) = 0 [pid 5122] mount(NULL, "./config", "configfs", 0, NULL [pid 5123] write(1, "executing program\n", 18 [pid 5125] set_robust_list(0x55556c898760, 24 [pid 5123] <... write resumed>) = 18 [pid 5122] <... mount resumed>) = 0 [pid 5123] mkdirat(AT_FDCWD, "./config", 0777 [pid 5125] <... set_robust_list resumed>) = 0 executing program [pid 5122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5123] <... mkdirat resumed>) = 0 [pid 5122] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5124] <... set_robust_list resumed>) = 0 [pid 5124] rt_sigprocmask(SIG_SETMASK, [] [pid 5123] mount(NULL, "./config", "configfs", 0, NULL [pid 5122] <... mkdirat resumed>) = 0 [pid 5125] rt_sigprocmask(SIG_SETMASK, [] [pid 5122] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5123] <... mount resumed>) = 0 [pid 5122] <... symlinkat resumed>) = 0 [pid 5125] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5122] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5125] chdir("./919") = 0 [pid 5124] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5123] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5122] <... unlinkat resumed>) = 0 [pid 5125] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5125] <... prctl resumed>) = 0 [pid 5122] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5125] setpgid(0, 0 [pid 5123] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5125] <... setpgid resumed>) = 0 [pid 5124] chdir("./994" [pid 5123] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5122] <... unlinkat resumed>) = 0 [pid 5124] <... chdir resumed>) = 0 [pid 5122] exit_group(0 [pid 5124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5123] <... mkdirat resumed>) = 0 [pid 5122] <... exit_group resumed>) = ? [pid 5125] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5123] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5124] <... prctl resumed>) = 0 [pid 5124] setpgid(0, 0) = 0 [pid 5124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5122] +++ exited with 0 +++ [pid 5125] <... openat resumed>) = 3 [pid 5124] <... openat resumed>) = 3 [pid 5123] <... symlinkat resumed>) = 0 [pid 5125] write(3, "1000", 4 [pid 5123] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5122, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5125] <... write resumed>) = 4 [pid 5124] write(3, "1000", 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5125] close(3 [pid 5124] <... write resumed>) = 4 [pid 5123] <... unlinkat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 5125] <... close resumed>) = 0 [pid 5124] close(3 [pid 5123] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5124] <... close resumed>) = 0 [pid 5125] symlink("/dev/binderfs", "./binderfs" [pid 5124] symlink("/dev/binderfs", "./binderfs" [pid 5123] <... unlinkat resumed>) = 0 [pid 309] umount2("./972", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5125] <... symlink resumed>) = 0 [pid 5124] <... symlink resumed>) = 0 [pid 5123] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5125] write(1, "executing program\n", 18 [pid 5123] <... exit_group resumed>) = ? [pid 5125] <... write resumed>) = 18 executing program [pid 309] openat(AT_FDCWD, "./972", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5124] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 3 [pid 5124] <... write resumed>) = 18 executing program [pid 309] fstat(3 [pid 5124] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5125] mkdirat(AT_FDCWD, "./config", 0777 [pid 5124] <... mkdirat resumed>) = 0 [pid 5123] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 5124] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5123, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5125] <... mkdirat resumed>) = 0 [pid 5124] <... mount resumed>) = 0 [pid 309] umount2("./972/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5125] mount(NULL, "./config", "configfs", 0, NULL [pid 5124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./972/binderfs" [pid 5125] <... mount resumed>) = 0 [pid 5124] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5125] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] unlink("./972/binderfs" [pid 308] umount2("./979", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5125] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5124] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5125] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./972/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5125] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./979", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5125] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5124] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] umount2("./972/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5125] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./972/config" [pid 5125] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5124] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./972/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5125] <... symlinkat resumed>) = 0 [pid 5124] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5125] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5124] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./979/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5125] <... unlinkat resumed>) = 0 [pid 5124] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5125] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5124] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] openat(AT_FDCWD, "./972/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5125] <... unlinkat resumed>) = 0 [pid 5124] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5125] exit_group(0 [pid 5124] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... openat resumed>) = 4 [pid 308] newfstatat(AT_FDCWD, "./979/binderfs" [pid 5125] <... exit_group resumed>) = ? [pid 5124] exit_group(0 [pid 309] fstat(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5124] <... exit_group resumed>) = ? [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./979/binderfs" [pid 5125] +++ exited with 0 +++ [pid 5124] +++ exited with 0 +++ [pid 309] getdents64(4 [pid 308] <... unlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./979/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5125, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5124, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 308] umount2("./979/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./972/config" [pid 308] newfstatat(AT_FDCWD, "./979/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./979/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] openat(AT_FDCWD, "./979/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(3 [pid 308] <... openat resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 308] fstat(4 [pid 309] rmdir("./972" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4 [pid 309] mkdir("./973", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4) = 0 [pid 308] rmdir("./979/config" [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3) = 0 [pid 308] rmdir("./979" [pid 307] umount2("./945", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5126 attached [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5126] set_robust_list(0x55556c898760, 24 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5126 [pid 308] mkdir("./980", 0777 [pid 307] openat(AT_FDCWD, "./945", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5126] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 5126] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] fstat(3 [pid 5126] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5126] chdir("./973" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 5127 attached [pid 5126] <... chdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5127] set_robust_list(0x55556c898760, 24 [pid 5126] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./994", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5127 [pid 307] umount2("./945/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5127] <... set_robust_list resumed>) = 0 [pid 5126] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5127] rt_sigprocmask(SIG_SETMASK, [] [pid 5126] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./994", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./945/binderfs" [pid 5127] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5126] <... setpgid resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5127] chdir("./980" [pid 5126] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] fstat(3 [pid 307] unlink("./945/binderfs" [pid 5127] <... chdir resumed>) = 0 [pid 5126] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... unlink resumed>) = 0 [pid 5127] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5126] write(3, "1000", 4 [pid 310] getdents64(3 [pid 307] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5127] <... prctl resumed>) = 0 [pid 5126] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5127] setpgid(0, 0 [pid 5126] close(3 [pid 310] umount2("./994/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5127] <... setpgid resumed>) = 0 [pid 5126] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5127] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5126] symlink("/dev/binderfs", "./binderfs" [pid 310] newfstatat(AT_FDCWD, "./994/binderfs" [pid 307] newfstatat(AT_FDCWD, "./945/config" [pid 306] umount2("./919", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5127] <... openat resumed>) = 3 [pid 5126] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5127] write(3, "1000", 4 [pid 5126] write(1, "executing program\n", 18 [pid 310] unlink("./994/binderfs" [pid 307] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./919", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5127] <... write resumed>) = 4 [pid 5126] <... write resumed>) = 18 [pid 310] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 306] <... openat resumed>) = 3 [pid 5127] close(3 [pid 5126] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./994/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./945/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(3 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./994/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 306] getdents64(3 [pid 5127] <... close resumed>) = 0 [pid 5126] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5127] symlink("/dev/binderfs", "./binderfs" [pid 5126] mount(NULL, "./config", "configfs", 0, NULL [pid 310] newfstatat(AT_FDCWD, "./994/config" [pid 307] getdents64(4 [pid 306] umount2("./919/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5127] <... symlink resumed>) = 0 [pid 5126] <... mount resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5127] write(1, "executing program\n", 18 [pid 5126] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./994/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 307] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./919/binderfs" [pid 5127] <... write resumed>) = 18 [pid 5126] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5127] mkdirat(AT_FDCWD, "./config", 0777 [pid 5126] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./994/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(4 [pid 306] unlink("./919/binderfs" [pid 5126] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 307] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5127] <... mkdirat resumed>) = 0 [pid 5126] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(4 [pid 307] rmdir("./945/config" [pid 306] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5127] mount(NULL, "./config", "configfs", 0, NULL [pid 5126] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 5127] <... mount resumed>) = 0 [pid 5126] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 307] getdents64(3 [pid 306] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5126] <... symlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 307] close(3 [pid 306] newfstatat(AT_FDCWD, "./919/config" [pid 5127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5126] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5126] <... unlinkat resumed>) = 0 [pid 310] close(4 [pid 307] rmdir("./945" [pid 306] umount2("./919/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5127] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5126] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./994/config" [pid 307] mkdir("./946", 0777 [pid 306] openat(AT_FDCWD, "./919/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5127] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5126] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 5126] exit_group(0 [pid 310] getdents64(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] fstat(4 [pid 5127] <... mkdirat resumed>) = 0 [pid 5126] <... exit_group resumed>) = ? [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 5128 attached [pid 5127] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5126] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5128] set_robust_list(0x55556c898760, 24 [pid 5127] <... symlinkat resumed>) = 0 [pid 310] rmdir("./994" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5128 [pid 306] getdents64(4 [pid 5128] <... set_robust_list resumed>) = 0 [pid 5127] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5128] rt_sigprocmask(SIG_SETMASK, [] [pid 5127] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5126, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(4 [pid 5128] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5127] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] mkdir("./995", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./919/config") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 5127] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5128] chdir("./946" [pid 5127] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(3 [pid 5128] <... chdir resumed>) = 0 [pid 5127] <... exit_group resumed>) = ? [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./919") = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5129 [pid 306] mkdir("./920", 0777ci2-android-6-1/strace-static-x86_64: Process 5129 attached [pid 5128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5127] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... mkdir resumed>) = 0 [pid 5129] set_robust_list(0x55556c898760, 24 [pid 5128] <... prctl resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5127, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5129] <... set_robust_list resumed>) = 0 [pid 5128] setpgid(0, 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5129] rt_sigprocmask(SIG_SETMASK, [] [pid 5128] <... setpgid resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5130 attached [pid 5129] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5130 [pid 5129] chdir("./995" [pid 5128] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5130] set_robust_list(0x55556c898760, 24 [pid 5129] <... chdir resumed>) = 0 [pid 5128] write(3, "1000", 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5130] <... set_robust_list resumed>) = 0 [pid 5129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5128] <... write resumed>) = 4 [pid 5130] rt_sigprocmask(SIG_SETMASK, [] [pid 5129] <... prctl resumed>) = 0 [pid 5128] close(3 [pid 5130] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5129] setpgid(0, 0 [pid 5128] <... close resumed>) = 0 [pid 5129] <... setpgid resumed>) = 0 [pid 5130] chdir("./920" [pid 5128] symlink("/dev/binderfs", "./binderfs" [pid 5129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5128] <... symlink resumed>) = 0 executing program [pid 5128] write(1, "executing program\n", 18 [pid 5129] <... openat resumed>) = 3 [pid 5130] <... chdir resumed>) = 0 [pid 5128] <... write resumed>) = 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 5130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5129] write(3, "1000", 4 [pid 5128] mkdirat(AT_FDCWD, "./config", 0777 [pid 5130] <... prctl resumed>) = 0 [pid 5129] <... write resumed>) = 4 [pid 308] umount2("./980", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5128] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5130] setpgid(0, 0 [pid 5129] close(3 [pid 5128] mount(NULL, "./config", "configfs", 0, NULL [pid 308] openat(AT_FDCWD, "./980", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5130] <... setpgid resumed>) = 0 [pid 5129] <... close resumed>) = 0 [pid 5128] <... mount resumed>) = 0 [pid 309] umount2("./973", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 5130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5129] symlink("/dev/binderfs", "./binderfs" [pid 5128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 5128] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] openat(AT_FDCWD, "./973", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5129] <... symlink resumed>) = 0 [pid 5128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 5129] write(1, "executing program\n", 18 [pid 5128] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 5130] <... openat resumed>) = 3 [pid 5129] <... write resumed>) = 18 [pid 5128] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./980/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5128] <... mkdirat resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5130] write(3, "1000", 4 [pid 5129] mkdirat(AT_FDCWD, "./config", 0777 [pid 5128] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] newfstatat(AT_FDCWD, "./980/binderfs" [pid 5128] <... symlinkat resumed>) = 0 [pid 309] umount2("./973/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5128] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./980/binderfs" [pid 5130] <... write resumed>) = 4 [pid 5129] <... mkdirat resumed>) = 0 [pid 5128] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./973/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 5130] close(3 [pid 5129] mount(NULL, "./config", "configfs", 0, NULL [pid 5128] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./980/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5130] <... close resumed>) = 0 [pid 5129] <... mount resumed>) = 0 [pid 5128] <... unlinkat resumed>) = 0 [pid 309] unlink("./973/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 5130] symlink("/dev/binderfs", "./binderfs" [pid 5129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5128] exit_group(0 [pid 308] umount2("./980/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5129] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5128] <... exit_group resumed>) = ? [pid 309] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5130] <... symlink resumed>) = 0 [pid 5129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] newfstatat(AT_FDCWD, "./980/config" [pid 5130] write(1, "executing program\n", 18 [pid 5129] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5128] +++ exited with 0 +++ executing program [pid 309] umount2("./973/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5130] <... write resumed>) = 18 [pid 5129] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./980/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5128, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5130] mkdirat(AT_FDCWD, "./config", 0777 [pid 5129] <... mkdirat resumed>) = 0 [pid 309] umount2("./973/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5130] <... mkdirat resumed>) = 0 [pid 5129] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./980/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5130] mount(NULL, "./config", "configfs", 0, NULL [pid 5129] <... symlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./973/config" [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./946", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5130] <... mount resumed>) = 0 [pid 5129] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5129] <... unlinkat resumed>) = 0 [pid 309] umount2("./973/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./946", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5130] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5129] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] <... openat resumed>) = 3 [pid 5130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5129] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./973/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(3 [pid 5130] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5129] exit_group(0 [pid 309] <... openat resumed>) = 4 [pid 308] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5130] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5129] <... exit_group resumed>) = ? [pid 309] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 5130] <... mkdirat resumed>) = 0 [pid 5129] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5130] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 307] umount2("./946/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5130] <... symlinkat resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5129, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rmdir("./980/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5130] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./946/binderfs" [pid 5130] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5130] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] close(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] unlink("./946/binderfs" [pid 5130] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] close(3 [pid 307] <... unlink resumed>) = 0 [pid 5130] exit_group(0 [pid 309] rmdir("./973/config" [pid 308] <... close resumed>) = 0 [pid 307] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5130] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./980" [pid 307] <... umount2 resumed>) = 0 [pid 5130] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./981", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./946/config" [pid 309] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5130, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 309] rmdir("./973" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./974", 0777 [pid 307] openat(AT_FDCWD, "./946/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5131 attached [pid 309] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5131 [pid 307] <... openat resumed>) = 4 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] fstat(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 5132 attached [pid 5131] set_robust_list(0x55556c898760, 24 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5132 [pid 307] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./946/config" [pid 5132] set_robust_list(0x55556c898760, 24 [pid 5131] <... set_robust_list resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./946" [pid 5132] <... set_robust_list resumed>) = 0 [pid 5131] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./947", 0777 [pid 5131] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5132] rt_sigprocmask(SIG_SETMASK, [] [pid 5131] chdir("./981" [pid 310] umount2("./995", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./920", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5133 attached [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5133 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5132] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5132] chdir("./974") = 0 [pid 5132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5131] <... chdir resumed>) = 0 [pid 5132] <... prctl resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5132] setpgid(0, 0) = 0 [pid 5132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] openat(AT_FDCWD, "./995", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./920", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5132] write(3, "1000", 4) = 4 [pid 5132] close(3) = 0 [pid 5132] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5131] <... prctl resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 5132] write(1, "executing program\n", 18) = 18 executing program [pid 5132] mkdirat(AT_FDCWD, "./config", 0777 [pid 5133] set_robust_list(0x55556c898760, 24 [pid 5132] <... mkdirat resumed>) = 0 [pid 5131] setpgid(0, 0 [pid 310] fstat(3 [pid 306] fstat(3 [pid 5132] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5131] <... setpgid resumed>) = 0 [pid 5132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5132] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] getdents64(3 [pid 5132] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 5132] <... mkdirat resumed>) = 0 [pid 5132] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5132] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5131] <... openat resumed>) = 3 [pid 5132] <... unlinkat resumed>) = 0 [pid 5132] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5132] exit_group(0 [pid 5131] write(3, "1000", 4 [pid 310] umount2("./995/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./920/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5133] <... set_robust_list resumed>) = 0 [pid 5132] <... exit_group resumed>) = ? [pid 5131] <... write resumed>) = 4 [pid 5131] close(3) = 0 [pid 5131] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5131] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5131] <... write resumed>) = 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5131] mkdirat(AT_FDCWD, "./config", 0777 [pid 5132] +++ exited with 0 +++ [pid 5131] <... mkdirat resumed>) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./995/binderfs" [pid 5131] mount(NULL, "./config", "configfs", 0, NULL [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5132, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] newfstatat(AT_FDCWD, "./920/binderfs" [pid 5131] <... mount resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5131] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5131] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] unlink("./995/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5131] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5131] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] unlink("./920/binderfs" [pid 5131] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./995/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5131] <... symlinkat resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5131] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5133] rt_sigprocmask(SIG_SETMASK, [] [pid 5131] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 5133] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5131] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... umount2 resumed>) = 0 [pid 5133] chdir("./947" [pid 5131] <... unlinkat resumed>) = 0 [pid 310] umount2("./995/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5133] <... chdir resumed>) = 0 [pid 5131] exit_group(0 [pid 306] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5131] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5133] <... prctl resumed>) = 0 [pid 5131] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./995/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5133] setpgid(0, 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5131, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] newfstatat(AT_FDCWD, "./920/config" [pid 310] umount2("./995/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./995/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./920/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5133] <... setpgid resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4 [pid 306] openat(AT_FDCWD, "./920/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 306] fstat(4 [pid 5133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 5133] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 5133] write(3, "1000", 4 [pid 310] close(4 [pid 5133] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... close resumed>) = 0 [pid 5133] close(3 [pid 310] rmdir("./995/config" [pid 306] getdents64(4 [pid 5133] <... close resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 5133] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5133] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 309] umount2("./974", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5133] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 306] close(4 [pid 5133] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] close(3 [pid 309] openat(AT_FDCWD, "./974", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5133] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5133] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rmdir("./995" [pid 309] fstat(3 [pid 306] rmdir("./920/config" [pid 5133] <... mount resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(3 [pid 5133] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./974/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5133] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./996", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./981", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 5133] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] newfstatat(AT_FDCWD, "./974/binderfs" [pid 5133] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 5133] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] unlink("./974/binderfs" [pid 308] openat(AT_FDCWD, "./981", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5133] <... symlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 3 [pid 5133] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./974/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 306] close(3 [pid 5133] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 5133] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./974/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5133] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 5133] exit_group(0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5134 [pid 309] newfstatat(AT_FDCWD, "./974/config" [pid 5133] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 5134 attached [pid 5133] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./974/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 306] rmdir("./920" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5133, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] openat(AT_FDCWD, "./974/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... openat resumed>) = 4 [pid 5134] set_robust_list(0x55556c898760, 24 [pid 309] fstat(4 [pid 5134] <... set_robust_list resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./981/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 5134] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5134] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] newfstatat(AT_FDCWD, "./981/binderfs" [pid 306] mkdir("./921", 0777 [pid 5134] chdir("./996" [pid 309] getdents64(4 [pid 5134] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5134] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(4 [pid 5134] <... prctl resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 5134] setpgid(0, 0 [pid 309] rmdir("./974/config" [pid 5134] <... setpgid resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] unlink("./981/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 5134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] getdents64(3 [pid 5134] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5134] write(3, "1000", 4 [pid 309] close(3 [pid 308] umount2("./981/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5134] <... write resumed>) = 4 [pid 309] <... close resumed>) = 0 [pid 5134] close(3 [pid 309] rmdir("./974" [pid 308] <... umount2 resumed>) = 0 [pid 5134] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5134] symlink("/dev/binderfs", "./binderfs" [pid 309] mkdir("./975", 0777 [pid 5134] <... symlink resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] umount2("./981/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5134] write(1, "executing program\n", 18 executing program [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5134] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5135 [pid 5134] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] newfstatat(AT_FDCWD, "./981/config"ci2-android-6-1/strace-static-x86_64: Process 5136 attached ci2-android-6-1/strace-static-x86_64: Process 5135 attached [pid 5134] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5134] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5136 [pid 5134] <... mount resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5134] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5134] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] umount2("./981/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5134] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5134] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5134] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5134] exit_group(0 [pid 308] openat(AT_FDCWD, "./981/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5135] set_robust_list(0x55556c898760, 24 [pid 5134] <... exit_group resumed>) = ? [pid 5136] set_robust_list(0x55556c898760, 24 [pid 5135] <... set_robust_list resumed>) = 0 [pid 5134] +++ exited with 0 +++ [pid 308] <... openat resumed>) = 4 [pid 5136] <... set_robust_list resumed>) = 0 [pid 5136] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5134, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(4 [pid 5136] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5136] chdir("./975" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5136] <... chdir resumed>) = 0 [pid 5136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5136] <... prctl resumed>) = 0 [pid 5136] setpgid(0, 0) = 0 [pid 5136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] getdents64(4 [pid 5136] write(3, "1000", 4) = 4 [pid 5136] close(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5136] <... close resumed>) = 0 [pid 5136] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5135] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(4 [pid 5136] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5136] <... write resumed>) = 18 executing program [pid 5136] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5135] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] close(4 [pid 5136] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5136] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5136] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... close resumed>) = 0 [pid 5136] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rmdir("./981/config" [pid 5136] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 5136] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] getdents64(3 [pid 5136] <... symlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5136] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] close(3 [pid 5136] <... unlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 5136] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rmdir("./981" [pid 307] umount2("./947", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5136] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5136] exit_group(0 [pid 307] openat(AT_FDCWD, "./947", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5136] <... exit_group resumed>) = ? [pid 308] <... rmdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 5136] +++ exited with 0 +++ [pid 5135] chdir("./921" [pid 308] mkdir("./982", 0777 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./947/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5135] <... chdir resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5136, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] newfstatat(AT_FDCWD, "./947/binderfs" [pid 5135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./947/binderfs" [pid 5135] <... prctl resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... unlink resumed>) = 0 [pid 310] umount2("./996", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5137 attached [pid 5135] setpgid(0, 0 [pid 310] openat(AT_FDCWD, "./996", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 3 [pid 5135] <... setpgid resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5137 [pid 310] fstat(3 [pid 307] newfstatat(AT_FDCWD, "./947/config" [pid 5135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5135] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5135] write(3, "1000", 4 [pid 307] openat(AT_FDCWD, "./947/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5135] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... openat resumed>) = 4 [pid 5135] close(3 [pid 310] umount2("./996/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 5135] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5135] symlink("/dev/binderfs", "./binderfs" [pid 310] newfstatat(AT_FDCWD, "./996/binderfs" [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5135] <... symlink resumed>) = 0 [pid 307] close(4 [pid 5135] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 5135] <... write resumed>) = 18 [pid 310] unlink("./996/binderfs" executing program [pid 307] rmdir("./947/config" [pid 5135] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./947") = 0 [pid 5135] <... mkdirat resumed>) = 0 [pid 310] umount2("./996/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./948", 0777 [pid 5137] set_robust_list(0x55556c898760, 24 [pid 5135] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5137] <... set_robust_list resumed>) = 0 [pid 5135] <... mount resumed>) = 0 [pid 310] umount2("./996/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5138 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5135] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./996/config" [pid 309] umount2("./975", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5138 attached [pid 5138] set_robust_list(0x55556c898760, 24 [pid 5135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5138] <... set_robust_list resumed>) = 0 [pid 5138] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5135] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./996/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./975", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5138] chdir("./948") = 0 [pid 5138] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5138] setpgid(0, 0) = 0 [pid 5138] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5135] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 5138] write(3, "1000", 4) = 4 [pid 5138] close(3) = 0 [pid 5138] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5138] write(1, "executing program\n", 18) = 18 [pid 5138] mkdirat(AT_FDCWD, "./config", 0777 [pid 5135] <... mkdirat resumed>) = 0 executing program [pid 310] openat(AT_FDCWD, "./996/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 5138] <... mkdirat resumed>) = 0 [pid 5135] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5137] rt_sigprocmask(SIG_SETMASK, [] [pid 5138] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] fstat(4 [pid 309] getdents64(3 [pid 5138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5135] <... symlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5138] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5135] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5138] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 5138] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./975/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 5138] <... symlinkat resumed>) = 0 [pid 5137] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5135] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5138] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5135] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./975/binderfs" [pid 5138] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5137] chdir("./982" [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5137] <... chdir resumed>) = 0 [pid 5135] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] rmdir("./996/config" [pid 309] unlink("./975/binderfs" [pid 5138] exit_group(0) = ? [pid 5138] +++ exited with 0 +++ [pid 5137] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5135] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 5137] <... prctl resumed>) = 0 [pid 5135] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 309] umount2("./975/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5137] setpgid(0, 0) = 0 [pid 5137] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5135] +++ exited with 0 +++ [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5138, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5137] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5137] write(3, "1000", 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5135, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5137] <... write resumed>) = 4 [pid 310] close(3 [pid 309] umount2("./975/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5137] close(3 [pid 310] <... close resumed>) = 0 [pid 5137] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./996" [pid 5137] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./975/config" [pid 5137] <... symlink resumed>) = 0 [pid 5137] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5137] <... write resumed>) = 18 executing program [pid 310] mkdir("./997", 0777 [pid 5137] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./975/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5137] <... mkdirat resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 5137] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5137] <... mount resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] openat(AT_FDCWD, "./975/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5137] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 5137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5137] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5137] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] fstat(4 [pid 5137] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5139 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5137] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIRci2-android-6-1/strace-static-x86_64: Process 5139 attached ) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 5137] exit_group(0) = ? [pid 5139] set_robust_list(0x55556c898760, 24 [pid 5137] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5139] <... set_robust_list resumed>) = 0 [pid 5139] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 5139] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5137, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5139] chdir("./997") = 0 [pid 5139] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5139] setpgid(0, 0) = 0 [pid 5139] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5139] write(3, "1000", 4) = 4 [pid 5139] close(3) = 0 [pid 5139] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] close(4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5139] write(1, "executing program\n", 18 [pid 309] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] rmdir("./975/config" [pid 5139] <... write resumed>) = 18 executing program [pid 5139] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] getdents64(3 [pid 307] umount2("./948", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5139] mount(NULL, "./config", "configfs", 0, NULL [pid 309] close(3 [pid 307] openat(AT_FDCWD, "./948", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./921", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 309] rmdir("./975" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 5139] <... mount resumed>) = 0 [pid 5139] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./921", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] mkdir("./976", 0777 [pid 307] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 5139] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5139] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./948/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5139] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] newfstatat(AT_FDCWD, "./948/binderfs" [pid 306] umount2("./921/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5139] <... symlinkat resumed>) = 0 [pid 5139] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5139] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5139] exit_group(0) = ? [pid 5139] +++ exited with 0 +++ [pid 307] unlink("./948/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5140 ci2-android-6-1/strace-static-x86_64: Process 5140 attached [pid 5140] set_robust_list(0x55556c898760, 24 [pid 307] <... unlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5139, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] newfstatat(AT_FDCWD, "./921/binderfs" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5140] <... set_robust_list resumed>) = 0 [pid 306] unlink("./921/binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 5140] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5140] chdir("./976" [pid 307] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 5140] <... chdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./948/config" [pid 5140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./921/config" [pid 307] openat(AT_FDCWD, "./948/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./921/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 5140] <... prctl resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./921/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 5140] setpgid(0, 0 [pid 306] <... openat resumed>) = 4 [pid 5140] <... setpgid resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] fstat(4 [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] close(4 [pid 306] getdents64(4 [pid 5140] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rmdir("./948/config" [pid 306] getdents64(4 [pid 5140] write(3, "1000", 4) = 4 [pid 5140] close(3) = 0 [pid 5140] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 306] close(4 [pid 5140] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 5140] <... write resumed>) = 18 executing program [pid 307] close(3 [pid 306] rmdir("./921/config" [pid 307] <... close resumed>) = 0 [pid 5140] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] rmdir("./948" [pid 306] <... rmdir resumed>) = 0 [pid 5140] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5140] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5140] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 5140] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] mkdir("./949", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5140] <... mkdirat resumed>) = 0 [pid 5140] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] close(3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5140] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rmdir("./921" [pid 5140] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5140] exit_group(0) = ? [pid 5140] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5140, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] mkdir("./922", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5141 ci2-android-6-1/strace-static-x86_64: Process 5141 attached [pid 5141] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./997", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./982", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5141] <... set_robust_list resumed>) = 0 [pid 5141] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./997", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./982", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(3 [pid 308] fstat(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5141] chdir("./949") = 0 [pid 5141] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5141] setpgid(0, 0) = 0 [pid 5141] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] getdents64(3 [pid 310] getdents64(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5142 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./982/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./997/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./997/binderfs" [pid 308] newfstatat(AT_FDCWD, "./982/binderfs" [pid 5141] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./997/binderfs" [pid 308] unlink("./982/binderfs" [pid 5141] write(3, "1000", 4) = 4 [pid 5141] close(3) = 0 [pid 310] <... unlink resumed>) = 0 [pid 5141] symlink("/dev/binderfs", "./binderfs" [pid 308] <... unlink resumed>) = 0 [pid 310] umount2("./997/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./982/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] umount2("./997/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./982/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./997/config" [pid 308] newfstatat(AT_FDCWD, "./982/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./997/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./982/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./997/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./982/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 310] fstat(4 [pid 308] fstat(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 308] getdents64(4 [pid 5141] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 308] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 308] close(4 [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 310] rmdir("./997/config" [pid 308] rmdir("./982/config" [pid 5141] write(1, "executing program\n", 18) = 18 [pid 5141] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 308] close(3 executing program [pid 5141] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 5141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rmdir("./997" [pid 308] rmdir("./982" [pid 5141] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5141] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 5141] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] mkdir("./998", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] mkdir("./983", 0777 [pid 5141] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5141] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... mkdir resumed>) = 0 [pid 5141] <... unlinkat resumed>) = 0 [pid 5141] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5141] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] umount2("./976", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5141] <... exit_group resumed>) = ? [pid 5141] +++ exited with 0 +++ [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5143 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5142 attached [pid 5142] set_robust_list(0x55556c898760, 24) = 0 [pid 5142] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5142] chdir("./922" [pid 309] openat(AT_FDCWD, "./976", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5141, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5142] <... chdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5144 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] fstat(3 [pid 5142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5142] <... prctl resumed>) = 0 [pid 5142] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./976/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5142] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] newfstatat(AT_FDCWD, "./976/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5143 attached [pid 5142] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5142] write(3, "1000", 4 [pid 309] unlink("./976/binderfs" [pid 5142] <... write resumed>) = 4 [pid 5142] close(3) = 0 [pid 309] <... unlink resumed>) = 0 [pid 5142] symlink("/dev/binderfs", "./binderfs" [pid 309] umount2("./976/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5142] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 5142] write(1, "executing program\n", 18 [pid 309] umount2("./976/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5142] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5142] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] newfstatat(AT_FDCWD, "./976/config" [pid 5143] set_robust_list(0x55556c898760, 24 [pid 5142] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5142] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] umount2("./976/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5142] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] openat(AT_FDCWD, "./976/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5142] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 5142] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(4 [pid 5142] <... mkdirat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5142] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(4 [pid 5143] <... set_robust_list resumed>) = 0 [pid 5142] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 ci2-android-6-1/strace-static-x86_64: Process 5144 attached [pid 307] umount2("./949", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 5142] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./949", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] close(4 [pid 5144] set_robust_list(0x55556c898760, 24 [pid 307] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 307] fstat(3 [pid 5142] <... unlinkat resumed>) = 0 [pid 309] rmdir("./976/config" [pid 5144] <... set_robust_list resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5144] rt_sigprocmask(SIG_SETMASK, [] [pid 5142] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 309] getdents64(3 [pid 5144] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5144] chdir("./983" [pid 309] close(3 [pid 307] umount2("./949/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5142] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./976" [pid 307] newfstatat(AT_FDCWD, "./949/binderfs" [pid 5144] <... chdir resumed>) = 0 [pid 5144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5142] <... exit_group resumed>) = ? [pid 309] <... rmdir resumed>) = 0 [pid 5142] +++ exited with 0 +++ [pid 309] mkdir("./977", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5144] <... prctl resumed>) = 0 [pid 5144] setpgid(0, 0) = 0 [pid 5144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5142, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] unlink("./949/binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5144] write(3, "1000", 4) = 4 [pid 5144] close(3 [pid 307] <... unlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5144] <... close resumed>) = 0 [pid 5144] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... umount2 resumed>) = 0 [pid 5144] write(1, "executing program\n", 18) = 18 [pid 5144] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5143] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5145 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5144] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_SETMASK, [] executing program [pid 307] newfstatat(AT_FDCWD, "./949/config" [pid 5143] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5143] chdir("./998" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5144] <... mount resumed>) = 0 [pid 5143] <... chdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./949/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... openat resumed>) = 4 [pid 5144] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5143] <... prctl resumed>) = 0 [pid 307] fstat(4 [pid 5144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5144] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5143] setpgid(0, 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5144] <... mkdirat resumed>) = 0 [pid 5143] <... setpgid resumed>) = 0 [pid 307] getdents64(4 [pid 5144] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] getdents64(4 [pid 5144] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5144] <... unlinkat resumed>) = 0 [pid 307] close(4 [pid 5143] <... openat resumed>) = 3 [pid 5144] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... close resumed>) = 0 [pid 5143] write(3, "1000", 4 [pid 307] rmdir("./949/config" [pid 5143] <... write resumed>) = 4 [pid 5144] <... unlinkat resumed>) = 0 [pid 5144] exit_group(0 [pid 5143] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 5143] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5143] symlink("/dev/binderfs", "./binderfs" [pid 307] close(3 [pid 5144] <... exit_group resumed>) = ? [pid 307] <... close resumed>) = 0 [pid 5144] +++ exited with 0 +++ [pid 5143] <... symlink resumed>) = 0 [pid 307] rmdir("./949"ci2-android-6-1/strace-static-x86_64: Process 5145 attached [pid 5145] set_robust_list(0x55556c898760, 24) = 0 [pid 5145] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rmdir resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5144, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5143] write(1, "executing program\n", 18 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] mkdir("./950", 0777 [pid 5143] <... write resumed>) = 18 [pid 5145] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5145] chdir("./977") = 0 [pid 5145] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5145] setpgid(0, 0) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 5145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5143] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5145] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5145] write(3, "1000", 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5145] <... write resumed>) = 4 [pid 5145] close(3) = 0 [pid 5145] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5145] write(1, "executing program\n", 18) = 18 executing program [pid 5145] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5143] <... mkdirat resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5146 [pid 5145] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5143] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5145] <... mount resumed>) = 0 [pid 5143] <... mount resumed>) = 0 [pid 5145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5145] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5145] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5143] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5145] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5145] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5146 attached [pid 5143] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5146] set_robust_list(0x55556c898760, 24 [pid 306] umount2("./922", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5143] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5145] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5146] <... set_robust_list resumed>) = 0 [pid 306] openat(AT_FDCWD, "./922", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5146] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 3 [pid 5146] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(3 [pid 5145] <... exit_group resumed>) = ? [pid 5143] <... mkdirat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 5143] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5146] chdir("./950" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./922/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5146] <... chdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5143] <... symlinkat resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./922/binderfs" [pid 5146] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5143] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5146] <... prctl resumed>) = 0 [pid 306] unlink("./922/binderfs" [pid 5146] setpgid(0, 0) = 0 [pid 5146] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... unlink resumed>) = 0 [pid 5143] <... unlinkat resumed>) = 0 [pid 306] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5143] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... umount2 resumed>) = 0 [pid 5143] <... unlinkat resumed>) = 0 [pid 306] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5146] <... openat resumed>) = 3 [pid 5143] exit_group(0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5146] write(3, "1000", 4 [pid 5143] <... exit_group resumed>) = ? [pid 306] newfstatat(AT_FDCWD, "./922/config" [pid 5145] +++ exited with 0 +++ [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5145, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./922/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5146] <... write resumed>) = 4 [pid 306] openat(AT_FDCWD, "./922/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5146] close(3 [pid 306] <... openat resumed>) = 4 [pid 5146] <... close resumed>) = 0 [pid 306] fstat(4 [pid 5146] symlink("/dev/binderfs", "./binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5146] <... symlink resumed>) = 0 [pid 5143] +++ exited with 0 +++ [pid 306] getdents64(4 executing program [pid 5146] write(1, "executing program\n", 18) = 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5143, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5146] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] close(4) = 0 [pid 306] rmdir("./922/config" [pid 5146] <... mkdirat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 5146] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] umount2("./977", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 309] openat(AT_FDCWD, "./977", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 306] rmdir("./922" [pid 309] fstat(3 [pid 5146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5146] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5146] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(3 [pid 306] mkdir("./923", 0777 [pid 5146] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5146] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5146] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] umount2("./977/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 5146] exit_group(0) = ? [pid 5146] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./977/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./998", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5146, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./977/binderfs" [pid 308] umount2("./983", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] openat(AT_FDCWD, "./998", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./998/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5147 attached [pid 310] newfstatat(AT_FDCWD, "./998/binderfs" [pid 309] umount2("./977/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5147 [pid 5147] set_robust_list(0x55556c898760, 24 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./998/binderfs" [pid 308] openat(AT_FDCWD, "./983", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5147] <... set_robust_list resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 310] umount2("./998/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./977/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5147] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 308] fstat(3 [pid 5147] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./998/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./977/config" [pid 5147] chdir("./923" [pid 310] newfstatat(AT_FDCWD, "./998/config" [pid 308] getdents64(3 [pid 5147] <... chdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./998/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./977/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./983/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5147] <... prctl resumed>) = 0 [pid 310] openat(AT_FDCWD, "./998/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5147] setpgid(0, 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5147] <... setpgid resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] openat(AT_FDCWD, "./977/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(4 [pid 308] newfstatat(AT_FDCWD, "./983/binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 5147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./983/binderfs" [pid 307] <... restart_syscall resumed>) = 0 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 5147] <... openat resumed>) = 3 [pid 308] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] umount2("./983/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 309] getdents64(4 [pid 5147] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] close(4 [pid 307] umount2("./950", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./998/config" [pid 308] umount2("./983/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5147] <... write resumed>) = 4 [pid 5147] close(3) = 0 [pid 5147] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./977/config" [pid 307] openat(AT_FDCWD, "./950", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5147] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./983/config" [pid 307] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] fstat(3 [pid 308] umount2("./983/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] close(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./998" [pid 309] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 5147] write(1, "executing program\n", 18) = 18 executing program [pid 5147] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] rmdir("./977" [pid 308] openat(AT_FDCWD, "./983/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5147] mount(NULL, "./config", "configfs", 0, NULL [pid 310] mkdir("./999", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./950/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./978", 0777 [pid 308] <... openat resumed>) = 4 [pid 5147] <... mount resumed>) = 0 [pid 5147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 5147] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5147] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./950/binderfs" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] getdents64(4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5147] <... mkdirat resumed>) = 0 [pid 5147] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] getdents64(4 [pid 307] unlink("./950/binderfs" [pid 5147] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5147] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5147] exit_group(0) = ? [pid 307] <... unlink resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5149 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5148 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5149 attached [pid 5147] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] close(4 [pid 307] <... umount2 resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 307] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./983/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5147, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5148 attached [pid 5148] set_robust_list(0x55556c898760, 24) = 0 [pid 5148] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./950/config" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5148] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./950/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./983" [pid 307] <... openat resumed>) = 4 [pid 5148] chdir("./978") = 0 [pid 5148] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5148] setpgid(0, 0) = 0 [pid 5148] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 307] fstat(4 [pid 308] mkdir("./984", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5148] <... openat resumed>) = 3 [pid 5148] write(3, "1000", 4) = 4 [pid 5148] close(3) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5148] symlink("/dev/binderfs", "./binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5148] <... symlink resumed>) = 0 [pid 5148] write(1, "executing program\n", 18) = 18 executing program [pid 5148] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] close(4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5150 [pid 307] <... close resumed>) = 0 [pid 5148] mount(NULL, "./config", "configfs", 0, NULL [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rmdir("./950/config" [pid 5148] <... mount resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5148] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 5148] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5148] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] close(3 [pid 5148] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... close resumed>) = 0 [pid 5148] <... mkdirat resumed>) = 0 [pid 307] rmdir("./950" [pid 306] <... restart_syscall resumed>) = 0 [pid 5149] set_robust_list(0x55556c898760, 24 [pid 5148] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5148] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./951", 0777 [pid 5148] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5148] exit_group(0) = ? [pid 307] <... mkdir resumed>) = 0 [pid 306] umount2("./923", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5149] <... set_robust_list resumed>) = 0 [pid 5148] +++ exited with 0 +++ [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./923", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5150 attached [pid 5150] set_robust_list(0x55556c898760, 24) = 0 [pid 5150] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5150] chdir("./984") = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5148, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5150] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... openat resumed>) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5151 [pid 306] fstat(3 [pid 5150] <... prctl resumed>) = 0 [pid 5150] setpgid(0, 0) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5150] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] getdents64(3 [pid 5150] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5150] write(3, "1000", 4 [pid 306] umount2("./923/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5150] <... write resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5150] close(3) = 0 [pid 5150] symlink("/dev/binderfs", "./binderfs" [pid 306] newfstatat(AT_FDCWD, "./923/binderfs" [pid 5150] <... symlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5149] rt_sigprocmask(SIG_SETMASK, [] [pid 306] unlink("./923/binderfs" [pid 5150] write(1, "executing program\n", 18) = 18 [pid 5150] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... unlink resumed>) = 0 executing program [pid 5150] <... mkdirat resumed>) = 0 [pid 5149] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5150] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 5149] chdir("./999" [pid 306] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5150] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5149] <... chdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./923/config" [pid 5150] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5149] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5150] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./923/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5149] <... prctl resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5149] setpgid(0, 0 [pid 306] openat(AT_FDCWD, "./923/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5150] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... openat resumed>) = 4 [pid 5149] <... setpgid resumed>) = 0 [pid 306] fstat(4 [pid 5150] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5149] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] getdents64(4 [pid 5150] <... mkdirat resumed>) = 0 [pid 5149] <... openat resumed>) = 3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5150] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5149] write(3, "1000", 4 [pid 306] getdents64(4 [pid 5150] <... symlinkat resumed>) = 0 [pid 5149] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5150] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5149] close(3 [pid 306] close(4 [pid 5150] <... unlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5149] <... close resumed>) = 0 [pid 306] rmdir("./923/config" [pid 5150] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5150] exit_group(0 [pid 5149] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 5150] <... exit_group resumed>) = ? [pid 306] getdents64(3 [pid 5150] +++ exited with 0 +++ [pid 5149] <... symlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 5149] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5150, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 5149] <... write resumed>) = 18 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./923"ci2-android-6-1/strace-static-x86_64: Process 5151 attached [pid 5151] set_robust_list(0x55556c898760, 24) = 0 [pid 5151] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 5149] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] mkdir("./924", 0777 [pid 5151] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5151] chdir("./951") = 0 [pid 5151] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5151] setpgid(0, 0) = 0 [pid 5151] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5151] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5149] <... mkdirat resumed>) = 0 executing program executing program [pid 309] umount2("./978", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5151] write(3, "1000", 4) = 4 [pid 5151] close(3) = 0 [pid 5151] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5151] write(1, "executing program\n", 18 [pid 309] openat(AT_FDCWD, "./978", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5149] mount(NULL, "./config", "configfs", 0, NULL [pid 5151] <... write resumed>) = 18 [pid 309] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5152 [pid 309] fstat(3 [pid 5151] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5149] <... mount resumed>) = 0 [pid 309] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5151] <... mkdirat resumed>) = 0 [pid 5149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5151] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./978/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5149] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5151] <... mount resumed>) = 0 [pid 5149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] newfstatat(AT_FDCWD, "./978/binderfs" [pid 5149] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5151] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5149] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] unlink("./978/binderfs" [pid 5151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5151] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 5149] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./978/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5151] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5149] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = 0 [pid 5151] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./978/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5149] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./984", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5151] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5149] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./978/config" [pid 308] openat(AT_FDCWD, "./984", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] umount2("./978/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 5149] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5149] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] openat(AT_FDCWD, "./978/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 5151] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] fstat(4 [pid 5149] <... unlinkat resumed>) = 0 [pid 308] umount2("./984/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./984/binderfs" [pid 5151] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5149] exit_group(0 [pid 309] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5149] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] unlink("./984/binderfs" [pid 309] close(4 [pid 5151] exit_group(0) = ? [pid 308] <... unlink resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./984/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./978/config" [pid 5151] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 309] getdents64(3 [pid 308] umount2("./984/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5151, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 308] newfstatat(AT_FDCWD, "./984/config" [pid 309] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5152 attached [pid 309] rmdir("./978" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5152] set_robust_list(0x55556c898760, 24) = 0 [pid 5152] rt_sigprocmask(SIG_SETMASK, [] [pid 5149] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./984/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./951", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5149, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] mkdir("./979", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5152] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5152] chdir("./924" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] openat(AT_FDCWD, "./984/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./951", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5152] <... chdir resumed>) = 0 [pid 5152] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5152] setpgid(0, 0) = 0 [pid 5152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] fstat(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5152] <... openat resumed>) = 3 [pid 5152] write(3, "1000", 4) = 4 [pid 5152] close(3) = 0 [pid 5152] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5153 [pid 308] getdents64(4 [pid 5152] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 308] getdents64(4 [pid 307] umount2("./951/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5152] write(1, "executing program\n", 18 [pid 308] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5152] <... write resumed>) = 18 [pid 308] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./951/binderfs" [pid 308] rmdir("./984/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5152] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] unlink("./951/binderfs" [pid 308] getdents64(3 [pid 5152] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... unlink resumed>) = 0 [pid 308] close(3 [pid 307] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... close resumed>) = 0 [pid 5152] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rmdir("./984" [pid 307] <... umount2 resumed>) = 0 [pid 5152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5152] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./985", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5152] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5152] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./951/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5152] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... restart_syscall resumed>) = 0 [pid 307] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5152] <... unlinkat resumed>) = 0 [pid 307] openat(AT_FDCWD, "./951/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5152] exit_group(0) = ? [pid 5152] +++ exited with 0 +++ [pid 310] umount2("./999", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 5153 attached [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5154 [pid 307] fstat(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5152, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] openat(AT_FDCWD, "./999", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 310] fstat(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 5153] set_robust_list(0x55556c898760, 24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5153] <... set_robust_list resumed>) = 0 [pid 310] getdents64(3 [pid 5153] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(4 [pid 310] umount2("./999/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./924", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 310] newfstatat(AT_FDCWD, "./999/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... close resumed>) = 0 [pid 310] unlink("./999/binderfs" [pid 306] openat(AT_FDCWD, "./924", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rmdir("./951/config" [pid 5153] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5153] chdir("./979" [pid 310] <... unlink resumed>) = 0 [pid 5153] <... chdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 5153] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5153] setpgid(0, 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] umount2("./999/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] fstat(3 [pid 5153] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... umount2 resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./999/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5153] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./999/config" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rmdir("./951" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./924/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5153] write(3, "1000", 4) = 4 [pid 5153] close(3) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./999/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./952", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./924/binderfs" [pid 5153] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5153] write(1, "executing program\n", 18 [pid 307] <... mkdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./999/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] unlink("./924/binderfs" [pid 310] fstat(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5153] <... write resumed>) = 18 [pid 5153] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5153] <... mkdirat resumed>) = 0 [pid 5153] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] getdents64(4 [pid 306] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5153] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5155 [pid 306] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 5153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./999/config" [pid 306] newfstatat(AT_FDCWD, "./924/config" [pid 5153] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5153] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 306] umount2("./924/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 306] openat(AT_FDCWD, "./924/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 5153] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rmdir("./999" [pid 306] <... openat resumed>) = 4 [pid 5153] <... symlinkat resumed>) = 0 [pid 5153] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5153] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rmdir resumed>) = 0 [pid 306] fstat(4 [pid 310] mkdir("./1000", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5153] <... unlinkat resumed>) = 0 [pid 5153] exit_group(0 [pid 310] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5153] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4 [pid 5153] +++ exited with 0 +++ [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5156 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5153, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(4ci2-android-6-1/strace-static-x86_64: Process 5155 attached ) = 0 [pid 5155] set_robust_list(0x55556c898760, 24 [pid 306] rmdir("./924/config" [pid 5155] <... set_robust_list resumed>) = 0 [pid 5155] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5155] chdir("./952" [pid 306] <... rmdir resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] getdents64(3 [pid 5155] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5155] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] close(3 [pid 309] umount2("./979", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./924" [pid 309] openat(AT_FDCWD, "./979", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5155] setpgid(0, 0) = 0 [pid 5155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... openat resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 309] fstat(3 [pid 306] mkdir("./925", 0777 [pid 5155] write(3, "1000", 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5155] <... write resumed>) = 4 [pid 5155] close(3) = 0 [pid 5155] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] getdents64(3 [pid 306] <... mkdir resumed>) = 0 [pid 5155] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] umount2("./979/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] newfstatat(AT_FDCWD, "./979/binderfs" [pid 5155] <... write resumed>) = 18 [pid 5155] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5155] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5157 [pid 309] unlink("./979/binderfs" [pid 5155] <... mount resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./979/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5155] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = 0 executing program [pid 5155] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./979/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5155] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5155] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./979/config" [pid 5155] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 5156 attached ci2-android-6-1/strace-static-x86_64: Process 5154 attached [pid 5155] <... mkdirat resumed>) = 0 [pid 309] umount2("./979/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5156] set_robust_list(0x55556c898760, 24 [pid 5155] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5156] <... set_robust_list resumed>) = 0 [pid 5155] <... symlinkat resumed>) = 0 [pid 5154] set_robust_list(0x55556c898760, 24 [pid 309] openat(AT_FDCWD, "./979/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5156] rt_sigprocmask(SIG_SETMASK, [] [pid 5155] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5154] <... set_robust_list resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 5156] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5155] <... unlinkat resumed>) = 0 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5156] chdir("./1000" [pid 5155] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5154] rt_sigprocmask(SIG_SETMASK, [] [pid 309] getdents64(4 [pid 5156] <... chdir resumed>) = 0 [pid 5155] <... unlinkat resumed>) = 0 [pid 5154] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5155] exit_group(0 [pid 5154] chdir("./985" [pid 309] getdents64(4 [pid 5156] <... prctl resumed>) = 0 [pid 5155] <... exit_group resumed>) = ? [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5154] <... chdir resumed>) = 0 [pid 309] close(4 [pid 5156] setpgid(0, 0 [pid 5155] +++ exited with 0 +++ [pid 5154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... close resumed>) = 0 [pid 5154] <... prctl resumed>) = 0 [pid 309] rmdir("./979/config" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5155, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5156] <... setpgid resumed>) = 0 [pid 5156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5154] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5154] <... setpgid resumed>) = 0 [pid 309] getdents64(3 [pid 5156] write(3, "1000", 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5156] <... write resumed>) = 4 [pid 309] close(3 [pid 5154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... close resumed>) = 0 [pid 5156] close(3 [pid 309] rmdir("./979" [pid 5156] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5157 attached [pid 5156] symlink("/dev/binderfs", "./binderfs" [pid 5157] set_robust_list(0x55556c898760, 24 [pid 5156] <... symlink resumed>) = 0 [pid 5154] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 5157] <... set_robust_list resumed>) = 0 [pid 5156] write(1, "executing program\n", 18 [pid 5154] write(3, "1000", 4 [pid 309] mkdir("./980", 0777 [pid 5157] rt_sigprocmask(SIG_SETMASK, [] [pid 5156] <... write resumed>) = 18 [pid 5157] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5156] mkdirat(AT_FDCWD, "./config", 0777 [pid 5157] chdir("./925" [pid 5156] <... mkdirat resumed>) = 0 [pid 5154] <... write resumed>) = 4 [pid 309] <... mkdir resumed>) = 0 [pid 5157] <... chdir resumed>) = 0 [pid 5156] mount(NULL, "./config", "configfs", 0, NULL [pid 5154] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5154] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5156] <... mount resumed>) = 0 [pid 5154] symlink("/dev/binderfs", "./binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5157] <... prctl resumed>) = 0 [pid 5156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5157] setpgid(0, 0 [pid 5156] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5157] <... setpgid resumed>) = 0 [pid 5156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5156] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5157] <... openat resumed>) = 3 [pid 5156] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5157] write(3, "1000", 4 [pid 5156] <... mkdirat resumed>) = 0 [pid 5154] <... symlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5158 [pid 5157] <... write resumed>) = 4 [pid 5156] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5157] close(3 [pid 5154] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./952", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5154] <... write resumed>) = 18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./952", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5157] <... close resumed>) = 0 [pid 5156] <... symlinkat resumed>) = 0 [pid 5154] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... openat resumed>) = 3 [pid 5157] symlink("/dev/binderfs", "./binderfs" [pid 5156] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] fstat(3 [pid 5157] <... symlink resumed>) = 0 [pid 5156] <... unlinkat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5154] <... mkdirat resumed>) = 0 [pid 5157] write(1, "executing program\n", 18 [pid 5156] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5154] mount(NULL, "./config", "configfs", 0, NULL [pid 307] getdents64(3 [pid 5157] <... write resumed>) = 18 [pid 5156] <... unlinkat resumed>) = 0 [pid 5157] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 5156] exit_group(0 [pid 5154] <... mount resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5157] <... mkdirat resumed>) = 0 [pid 5156] <... exit_group resumed>) = ? [pid 5157] mount(NULL, "./config", "configfs", 0, NULL [pid 5156] +++ exited with 0 +++ [pid 5154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./952/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5156, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5154] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] newfstatat(AT_FDCWD, "./952/binderfs" [pid 5154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5157] <... mount resumed>) = 0 [pid 5154] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] unlink("./952/binderfs" [pid 5154] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... unlink resumed>) = 0 [pid 5157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5157] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = 0 [pid 5157] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5154] <... mkdirat resumed>) = 0 [pid 5157] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5154] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5157] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] newfstatat(AT_FDCWD, "./952/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5154] <... symlinkat resumed>) = 0 [pid 307] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5157] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5154] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] openat(AT_FDCWD, "./952/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5157] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = -1 ENOENT (No such file or directory) [pid 5154] <... unlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 5157] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5154] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] fstat(4 [pid 5157] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 5158 attached ) = ? [pid 5154] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5158] set_robust_list(0x55556c898760, 24 [pid 5157] +++ exited with 0 +++ [pid 307] getdents64(4 [pid 5154] exit_group(0 [pid 5158] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5154] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5157, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5158] rt_sigprocmask(SIG_SETMASK, [] [pid 307] close(4 [pid 5158] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./925", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./952/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5158] chdir("./980") = 0 [pid 5158] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./925", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(3 [pid 5158] setpgid(0, 0 [pid 306] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 307] close(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 307] rmdir("./952" [pid 5158] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./925/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./953", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5158] write(3, "1000", 4) = 4 [pid 5158] close(3) = 0 [pid 5158] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./925/binderfs" [pid 5154] +++ exited with 0 +++ [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5154, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] unlink("./925/binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5158] write(1, "executing program\n", 18) = 18 [pid 5158] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 306] <... unlink resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5159 [pid 306] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5158] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5158] <... mount resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 5158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5158] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5158] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] newfstatat(AT_FDCWD, "./925/config" [pid 5158] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-6-1/strace-static-x86_64: Process 5159 attached [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5159] set_robust_list(0x55556c898760, 24 [pid 306] umount2("./925/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5158] <... symlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5159] <... set_robust_list resumed>) = 0 [pid 306] openat(AT_FDCWD, "./925/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5158] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5159] rt_sigprocmask(SIG_SETMASK, [] [pid 5158] <... unlinkat resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 5159] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5158] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] fstat(4 [pid 5159] chdir("./953" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5159] <... chdir resumed>) = 0 [pid 306] getdents64(4 [pid 5159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5158] <... unlinkat resumed>) = 0 [pid 306] getdents64(4 [pid 5159] <... prctl resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5158] exit_group(0 [pid 306] close(4 [pid 5159] setpgid(0, 0 [pid 5158] <... exit_group resumed>) = ? [pid 306] <... close resumed>) = 0 [pid 5159] <... setpgid resumed>) = 0 [pid 306] rmdir("./925/config" [pid 5159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 5159] write(3, "1000", 4 [pid 306] getdents64(3 [pid 5159] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5159] close(3 [pid 306] close(3 [pid 5159] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5159] symlink("/dev/binderfs", "./binderfs" [pid 306] rmdir("./925" [pid 5159] <... symlink resumed>) = 0 [pid 5159] write(1, "executing program\n", 18 [pid 306] <... rmdir resumed>) = 0 [pid 5159] <... write resumed>) = 18 [pid 306] mkdir("./926", 0777 [pid 5159] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5158] +++ exited with 0 +++ [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5158, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... restart_syscall resumed>) = 0 [pid 5159] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5159] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5159] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5159] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5160 [pid 5159] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./980", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5159] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5159] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] openat(AT_FDCWD, "./980", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5159] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 5159] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] fstat(3 [pid 5159] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5159] exit_group(0 [pid 309] getdents64(3 [pid 5159] <... exit_group resumed>) = ? [pid 5159] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 5160 attached [pid 309] umount2("./980/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5159, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5160] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./1000", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./980/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./1000", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./980/binderfs" [pid 5160] <... set_robust_list resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 5160] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 310] fstat(3 [pid 309] umount2("./980/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5160] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = 0 [pid 5160] chdir("./926" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./980/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1000/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./980/config" [pid 310] newfstatat(AT_FDCWD, "./1000/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5160] <... chdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./980/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./1000/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5160] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5160] setpgid(0, 0 [pid 310] <... unlink resumed>) = 0 [pid 309] openat(AT_FDCWD, "./980/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./1000/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 5160] <... setpgid resumed>) = 0 [pid 309] fstat(4 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./1000/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5160] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] newfstatat(AT_FDCWD, "./1000/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(4 [pid 310] umount2("./1000/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5160] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 5160] write(3, "1000", 4) = 4 [pid 310] openat(AT_FDCWD, "./1000/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... close resumed>) = 0 [pid 5160] close(3 [pid 310] <... openat resumed>) = 4 [pid 309] rmdir("./980/config" [pid 310] fstat(4 [pid 5160] <... close resumed>) = 0 [pid 5160] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 5160] write(1, "executing program\n", 18 [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 5160] <... write resumed>) = 18 [pid 5160] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 310] getdents64(4 [pid 309] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5160] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 309] <... close resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] rmdir("./980" [pid 310] rmdir("./1000/config" [pid 5160] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5160] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 5160] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5160] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5160] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] mkdir("./981", 0777 [pid 308] umount2("./985", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 5160] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5160] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./985", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 5160] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./1000" [pid 308] fstat(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5160] <... unlinkat resumed>) = 0 [pid 5160] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./953", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5160] <... exit_group resumed>) = ? [pid 5160] +++ exited with 0 +++ [pid 310] mkdir("./1001", 0777 [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5161 attached [pid 5161] set_robust_list(0x55556c898760, 24) = 0 [pid 5161] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 5161] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./953", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5160, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./985/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5161 [pid 307] <... openat resumed>) = 3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5161] chdir("./981") = 0 [pid 5161] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] fstat(3 [pid 5161] setpgid(0, 0) = 0 [pid 5161] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] newfstatat(AT_FDCWD, "./985/binderfs" [pid 5161] write(3, "1000", 4) = 4 [pid 5161] close(3) = 0 [pid 5161] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5161] write(1, "executing program\n", 18 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5162 [pid 308] unlink("./985/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5161] <... write resumed>) = 18 [pid 308] <... unlink resumed>) = 0 [pid 5161] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./985/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./985/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./926", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./953/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./985/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./926", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./985/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 307] newfstatat(AT_FDCWD, "./953/binderfs" [pid 5161] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 308] openat(AT_FDCWD, "./985/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] unlink("./953/binderfs" [pid 306] fstat(3 [pid 308] <... openat resumed>) = 4 [pid 5161] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] fstat(4 [pid 307] <... unlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 306] getdents64(3 [pid 5161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(4 [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./926/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./926/binderfs" [pid 308] rmdir("./985/config" [pid 307] newfstatat(AT_FDCWD, "./953/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5161] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] unlink("./926/binderfs" [pid 308] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5161] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5161] <... symlinkat resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./953/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = 0 [pid 308] rmdir("./985" [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5161] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5161] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... rmdir resumed>) = 0 [pid 307] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./986", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] newfstatat(AT_FDCWD, "./926/config" [pid 5161] <... unlinkat resumed>) = 0 [pid 5161] exit_group(0 [pid 308] <... mkdir resumed>) = 0 [pid 5161] <... exit_group resumed>) = ? [pid 5161] +++ exited with 0 +++ [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./926/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5161, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5162 attached [pid 5162] set_robust_list(0x55556c898760, 24) = 0 [pid 5162] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5162] chdir("./1001") = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5163 [pid 306] openat(AT_FDCWD, "./926/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] close(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... openat resumed>) = 4 [pid 5162] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./953/config" [pid 306] fstat(4 [pid 5162] <... prctl resumed>) = 0 [pid 5162] setpgid(0, 0) = 0 [pid 5162] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 306] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5162] <... openat resumed>) = 3 [pid 307] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 307] rmdir("./953" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5162] write(3, "1000", 4) = 4 [pid 5162] close(3) = 0 [pid 5162] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 5162] write(1, "executing program\n", 18 [pid 307] mkdir("./954", 0777 [pid 306] <... close resumed>) = 0 [pid 5162] <... write resumed>) = 18 executing program [pid 5162] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] rmdir("./926/config" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5162] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5162] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5162] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5162] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] close(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5164 [pid 5162] <... unlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 5162] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./926"ci2-android-6-1/strace-static-x86_64: Process 5164 attached ) = 0 [pid 5162] <... unlinkat resumed>) = 0 [pid 5162] exit_group(0 [pid 306] mkdir("./927", 0777 [pid 5162] <... exit_group resumed>) = ? [pid 5164] set_robust_list(0x55556c898760, 24 [pid 5162] +++ exited with 0 +++ [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5162, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5163 attached [pid 5163] set_robust_list(0x55556c898760, 24) = 0 [pid 5163] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5163] chdir("./986") = 0 [pid 5163] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5165 [pid 5163] setpgid(0, 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5163] <... setpgid resumed>) = 0 [pid 5163] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./981", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5163] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./1001", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./981", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5163] write(3, "1000", 4 [pid 309] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./1001", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 5163] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] fstat(3 [pid 309] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5163] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] getdents64(3 [pid 309] umount2("./981/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5163] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./1001/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./981/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./1001/binderfs" [pid 309] unlink("./981/binderfs" [pid 5163] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5163] <... symlink resumed>) = 0 [pid 310] unlink("./1001/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 5163] write(1, "executing program\n", 18) = 18 [pid 5163] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... unlink resumed>) = 0 executing program [pid 309] umount2("./981/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5163] <... mkdirat resumed>) = 0 [pid 310] umount2("./1001/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 5164] <... set_robust_list resumed>) = 0 [pid 5163] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = 0 [pid 309] umount2("./981/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1001/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./981/config" [pid 310] newfstatat(AT_FDCWD, "./1001/config" [pid 5163] <... mount resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./1001/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./981/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./1001/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./981/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 4 [pid 5163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(4 [pid 309] <... openat resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(4 [pid 310] getdents64(4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5163] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5163] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 310] getdents64(4 [pid 5163] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] close(4 [pid 309] getdents64(4 [pid 5163] <... symlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5163] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] rmdir("./1001/config" [pid 309] close(4 [pid 5163] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5163] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 309] rmdir("./981/config" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 5165 attached [pid 5163] <... exit_group resumed>) = ? [pid 5165] set_robust_list(0x55556c898760, 24 [pid 5164] rt_sigprocmask(SIG_SETMASK, [] [pid 5163] +++ exited with 0 +++ [pid 310] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 5165] <... set_robust_list resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5163, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rmdir("./1001" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5165] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5165] chdir("./927" [pid 310] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 310] mkdir("./1002", 0777 [pid 309] <... close resumed>) = 0 [pid 308] umount2("./986", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5165] <... chdir resumed>) = 0 [pid 5165] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5165] setpgid(0, 0) = 0 [pid 5165] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 309] rmdir("./981" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5165] <... openat resumed>) = 3 [pid 5165] write(3, "1000", 4) = 4 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] openat(AT_FDCWD, "./986", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./982", 0777 [pid 308] <... openat resumed>) = 3 [pid 5165] close(3) = 0 [pid 5165] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5165] write(1, "executing program\n", 18) = 18 [pid 5165] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] fstat(3 [pid 5165] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5166 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5165] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5165] <... mount resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5165] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./986/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5165] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5165] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] newfstatat(AT_FDCWD, "./986/binderfs" [pid 5165] <... symlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5165] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] unlink("./986/binderfs" [pid 5165] <... unlinkat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 5165] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5167 [pid 308] umount2("./986/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5165] <... unlinkat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = 0 [pid 5165] exit_group(0 [pid 5164] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./986/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5167 attached [pid 5165] <... exit_group resumed>) = ? [pid 5164] chdir("./954" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5167] set_robust_list(0x55556c898760, 24 [pid 5165] +++ exited with 0 +++ [pid 5164] <... chdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./986/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./986/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5164] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5165, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./986/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5164] <... prctl resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] fstat(4ci2-android-6-1/strace-static-x86_64: Process 5166 attached [pid 5164] setpgid(0, 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 5164] <... setpgid resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5167] <... set_robust_list resumed>) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 5166] set_robust_list(0x55556c898760, 24 [pid 308] <... close resumed>) = 0 [pid 5166] <... set_robust_list resumed>) = 0 [pid 5164] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] rmdir("./986/config" [pid 5166] rt_sigprocmask(SIG_SETMASK, [] [pid 5164] <... openat resumed>) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./927", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5167] rt_sigprocmask(SIG_SETMASK, [] [pid 5166] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] getdents64(3 [pid 5166] chdir("./1002" [pid 5164] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5166] <... chdir resumed>) = 0 [pid 308] close(3 [pid 5166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5164] <... write resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./927", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5166] <... prctl resumed>) = 0 [pid 308] rmdir("./986" [pid 5167] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5166] setpgid(0, 0 [pid 5164] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 308] mkdir("./987", 0777 [pid 306] fstat(3 [pid 5167] chdir("./982" [pid 5166] <... setpgid resumed>) = 0 [pid 5164] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(3 [pid 5167] <... chdir resumed>) = 0 [pid 5166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5164] symlink("/dev/binderfs", "./binderfs" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5168 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5166] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] umount2("./927/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5164] <... symlink resumed>) = 0 [pid 5166] write(3, "1000", 4 [pid 306] newfstatat(AT_FDCWD, "./927/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5166] <... write resumed>) = 4 [pid 5164] write(1, "executing program\n", 18 [pid 306] unlink("./927/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5168 attached [pid 5168] set_robust_list(0x55556c898760, 24 [pid 306] <... unlink resumed>) = 0 [pid 5166] close(3 [pid 5164] <... write resumed>) = 18 executing program [pid 306] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5168] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5164] mkdirat(AT_FDCWD, "./config", 0777 [pid 5166] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./927/config" [pid 5168] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5168] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./927/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./927/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5168] chdir("./987" [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 5168] <... chdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] getdents64(4 [pid 5166] symlink("/dev/binderfs", "./binderfs" [pid 5164] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5168] <... prctl resumed>) = 0 [pid 5164] mount(NULL, "./config", "configfs", 0, NULL [pid 306] getdents64(4 [pid 5168] setpgid(0, 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5168] <... setpgid resumed>) = 0 [pid 306] close(4 [pid 5164] <... mount resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rmdir("./927/config" [pid 5168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 5166] <... symlink resumed>) = 0 [pid 5164] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5168] <... openat resumed>) = 3 [pid 5164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] close(3 [pid 5166] write(1, "executing program\n", 18 [pid 5167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5168] write(3, "1000", 4 [pid 306] <... close resumed>) = 0 [pid 5167] <... prctl resumed>) = 0 [pid 5166] <... write resumed>) = 18 executing program [pid 5164] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] rmdir("./927" [pid 5168] <... write resumed>) = 4 [pid 5168] close(3) = 0 [pid 5168] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 5164] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5166] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] mkdir("./928", 0777 [pid 5168] <... symlink resumed>) = 0 [pid 5168] write(1, "executing program\n", 18) = 18 [pid 5168] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5168] <... mkdirat resumed>) = 0 [pid 5168] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5164] <... mkdirat resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5169 [pid 5168] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5164] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5167] setpgid(0, 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5168] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5168] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5167] <... setpgid resumed>) = 0 [pid 5164] <... symlinkat resumed>) = 0 [pid 5164] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5168] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5164] <... unlinkat resumed>) = 0 executing program [pid 5168] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5168] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5164] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5168] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5167] <... openat resumed>) = 3 [pid 5168] <... unlinkat resumed>) = 0 [pid 5164] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5167] write(3, "1000", 4 [pid 5166] <... mkdirat resumed>) = 0 [pid 5164] exit_group(0) = ? [pid 5167] <... write resumed>) = 4 [pid 5166] mount(NULL, "./config", "configfs", 0, NULL [pid 5164] +++ exited with 0 +++ [pid 5167] close(3 [pid 5168] exit_group(0 [pid 5167] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5164, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 5169 attached [pid 5166] <... mount resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5167] symlink("/dev/binderfs", "./binderfs" [pid 5166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5168] <... exit_group resumed>) = ? [pid 5168] +++ exited with 0 +++ [pid 5167] <... symlink resumed>) = 0 [pid 5166] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... restart_syscall resumed>) = 0 [pid 5166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5167] write(1, "executing program\n", 18 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5168, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5169] set_robust_list(0x55556c898760, 24) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] umount2("./954", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5166] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5167] <... write resumed>) = 18 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5166] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] openat(AT_FDCWD, "./954", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 5169] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./954/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5167] mkdirat(AT_FDCWD, "./config", 0777 [pid 5166] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./954/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5166] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] unlink("./954/binderfs" [pid 5169] chdir("./928") = 0 [pid 5169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... unlink resumed>) = 0 [pid 5169] <... prctl resumed>) = 0 [pid 307] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5169] setpgid(0, 0) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 5166] <... symlinkat resumed>) = 0 [pid 307] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5166] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] newfstatat(AT_FDCWD, "./954/config" [pid 5166] <... unlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5166] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR executing program [pid 307] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5167] <... mkdirat resumed>) = 0 [pid 5166] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5169] <... openat resumed>) = 3 [pid 5167] mount(NULL, "./config", "configfs", 0, NULL [pid 5166] exit_group(0 [pid 307] openat(AT_FDCWD, "./954/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5169] write(3, "1000", 4 [pid 307] <... openat resumed>) = 4 [pid 5169] <... write resumed>) = 4 [pid 5166] <... exit_group resumed>) = ? [pid 307] fstat(4 [pid 5167] <... mount resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5169] close(3 [pid 307] getdents64(4 [pid 5167] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5169] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5167] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(4 [pid 5169] symlink("/dev/binderfs", "./binderfs" [pid 5167] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5169] <... symlink resumed>) = 0 [pid 307] close(4 [pid 5169] write(1, "executing program\n", 18 [pid 307] <... close resumed>) = 0 [pid 5169] <... write resumed>) = 18 [pid 307] rmdir("./954/config" [pid 5169] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5167] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(3 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 5169] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... close resumed>) = 0 [pid 308] umount2("./987", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rmdir("./954" [pid 5167] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5166] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./987", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5166, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... openat resumed>) = 3 [pid 307] mkdir("./955", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] fstat(3 [pid 5169] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5167] <... mkdirat resumed>) = 0 [pid 5169] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5169] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... mkdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 5169] <... symlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./987/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5167] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = -1 EEXIST (File exists) [pid 5167] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5169] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5167] <... unlinkat resumed>) = 0 [pid 5169] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5169] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./987/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5170 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5167] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] unlink("./987/binderfs" [pid 5167] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5167] exit_group(0 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./987/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5169] exit_group(0 [pid 308] <... umount2 resumed>) = 0 [pid 5167] <... exit_group resumed>) = ? [pid 308] umount2("./987/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5170 attached [pid 5167] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./987/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5167, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./987/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5169] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5170] set_robust_list(0x55556c898760, 24 [pid 5169] +++ exited with 0 +++ [pid 308] openat(AT_FDCWD, "./987/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5170] <... set_robust_list resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5169, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(4 [pid 5170] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./1002", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 306] umount2("./928", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5170] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5170] chdir("./955" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./1002", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 306] openat(AT_FDCWD, "./928", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5170] <... chdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 306] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 306] fstat(3 [pid 310] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] rmdir("./987/config" [pid 306] getdents64(3 [pid 310] umount2("./1002/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5170] <... prctl resumed>) = 0 [pid 5170] setpgid(0, 0) = 0 [pid 5170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./1002/binderfs" [pid 308] getdents64(3 [pid 306] umount2("./928/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./1002/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./928/binderfs" [pid 5170] write(3, "1000", 4) = 4 [pid 310] <... unlink resumed>) = 0 [pid 308] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./1002/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 306] unlink("./928/binderfs" [pid 5170] close(3) = 0 [pid 5170] symlink("/dev/binderfs", "./binderfs" [pid 306] <... unlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] rmdir("./987" [pid 309] <... restart_syscall resumed>) = 0 [pid 306] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1002/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5170] <... symlink resumed>) = 0 [pid 5170] write(1, "executing program\n", 18) = 18 [pid 308] <... rmdir resumed>) = 0 [pid 5170] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1002/config" [pid 309] umount2("./982", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./988", 0777 [pid 306] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5170] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./982", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 310] umount2("./1002/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] newfstatat(AT_FDCWD, "./928/config" [pid 309] fstat(3 [pid 310] openat(AT_FDCWD, "./1002/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] getdents64(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(4 [pid 306] umount2("./928/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5170] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5170] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 309] umount2("./982/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5171 [pid 306] openat(AT_FDCWD, "./928/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 5170] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./982/binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(4 [pid 310] close(4 [pid 5170] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] unlink("./982/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./1002/config" [pid 5170] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] getdents64(4 [pid 5170] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./982/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5170] exit_group(0 [pid 310] getdents64(3 [pid 5170] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = 0 [pid 306] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5170] +++ exited with 0 +++ [pid 309] umount2("./982/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(3ci2-android-6-1/strace-static-x86_64: Process 5171 attached [pid 5171] set_robust_list(0x55556c898760, 24) = 0 [pid 5171] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5171] chdir("./988") = 0 [pid 5171] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5170, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] close(4 [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./982/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... close resumed>) = 0 [pid 5171] setpgid(0, 0 [pid 310] rmdir("./1002" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5171] <... setpgid resumed>) = 0 [pid 306] rmdir("./928/config" [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./982/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./1003", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 5171] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] openat(AT_FDCWD, "./982/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rmdir("./982/config") = 0 [pid 306] close(3 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./982") = 0 [pid 307] umount2("./955", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5172 [pid 309] mkdir("./983", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./928" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./955", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5171] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5173 attached [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5173 [pid 307] fstat(3 [pid 306] mkdir("./929", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5172 attached [pid 5172] set_robust_list(0x55556c898760, 24) = 0 [pid 5172] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... mkdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5172] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5171] write(3, "1000", 4 [pid 307] umount2("./955/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5172] chdir("./1003" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5172] <... chdir resumed>) = 0 [pid 5172] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5172] setpgid(0, 0) = 0 [pid 5172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] newfstatat(AT_FDCWD, "./955/binderfs" [pid 5171] <... write resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5174 [pid 307] unlink("./955/binderfs" [pid 5171] close(3 [pid 5172] write(3, "1000", 4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5172] <... write resumed>) = 4 [pid 5172] close(3 [pid 307] <... unlink resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5171] <... close resumed>) = 0 [pid 307] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5172] <... close resumed>) = 0 [pid 5171] symlink("/dev/binderfs", "./binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 5172] symlink("/dev/binderfs", "./binderfs" [pid 307] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5172] <... symlink resumed>) = 0 [pid 5171] <... symlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5172] write(1, "executing program\n", 18 [pid 5171] write(1, "executing program\n", 18 [pid 307] newfstatat(AT_FDCWD, "./955/config" [pid 5172] <... write resumed>) = 18 [pid 5172] mkdirat(AT_FDCWD, "./config", 0777 [pid 5171] <... write resumed>) = 18 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program executing program [pid 5172] <... mkdirat resumed>) = 0 [pid 5171] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5173] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5172] mount(NULL, "./config", "configfs", 0, NULL [pid 307] openat(AT_FDCWD, "./955/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5172] <... mount resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 5172] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] fstat(4 [pid 5172] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5171] <... mkdirat resumed>) = 0 [pid 307] getdents64(4 [pid 5172] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5171] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5172] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(4 [pid 5172] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5172] <... mkdirat resumed>) = 0 [pid 5171] <... mount resumed>) = 0 [pid 307] close(4 [pid 5172] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... close resumed>) = 0 [pid 5172] <... symlinkat resumed>) = 0 [pid 5171] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rmdir("./955/config" [pid 5172] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5172] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 5172] exit_group(0 [pid 5171] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(3 [pid 5172] <... exit_group resumed>) = ? [pid 5171] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5173] <... set_robust_list resumed>) = 0 [pid 5172] +++ exited with 0 +++ [pid 5171] <... mkdirat resumed>) = 0 [pid 307] close(3ci2-android-6-1/strace-static-x86_64: Process 5174 attached ) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5172, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5171] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rmdir("./955" [pid 5174] set_robust_list(0x55556c898760, 24) = 0 [pid 5174] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5174] chdir("./929" [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./956", 0777 [pid 5174] <... chdir resumed>) = 0 [pid 5174] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5174] setpgid(0, 0) = 0 [pid 5174] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... mkdir resumed>) = 0 [pid 5174] <... openat resumed>) = 3 [pid 5171] <... symlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5174] write(3, "1000", 4 [pid 5171] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5174] <... write resumed>) = 4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5174] close(3) = 0 [pid 5174] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5174] write(1, "executing program\n", 18) = 18 executing program [pid 5174] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5171] <... unlinkat resumed>) = 0 [pid 5174] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5171] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5175 [pid 5174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5174] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5174] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5173] rt_sigprocmask(SIG_SETMASK, [] [pid 5171] <... unlinkat resumed>) = 0 [pid 5174] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5173] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5171] exit_group(0ci2-android-6-1/strace-static-x86_64: Process 5175 attached ) = ? [pid 5175] set_robust_list(0x55556c898760, 24 [pid 5173] chdir("./983" [pid 5175] <... set_robust_list resumed>) = 0 [pid 5175] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5175] chdir("./956") = 0 [pid 5175] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5175] setpgid(0, 0) = 0 [pid 5175] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5171] +++ exited with 0 +++ [pid 5175] <... openat resumed>) = 3 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5171, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5174] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5173] <... chdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5175] write(3, "1000", 4) = 4 [pid 5175] close(3) = 0 [pid 5175] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5174] <... unlinkat resumed>) = 0 [pid 5173] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5175] write(1, "executing program\n", 18) = 18 executing program [pid 310] <... restart_syscall resumed>) = 0 [pid 5175] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5174] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5173] <... prctl resumed>) = 0 [pid 310] umount2("./1003", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5173] setpgid(0, 0 [pid 5175] mount(NULL, "./config", "configfs", 0, NULL [pid 5173] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5175] <... mount resumed>) = 0 [pid 5173] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] openat(AT_FDCWD, "./1003", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5174] <... unlinkat resumed>) = 0 [pid 5175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 5175] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(3 [pid 5175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5175] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5173] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 5175] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5174] exit_group(0 [pid 5173] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5175] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5173] <... write resumed>) = 4 [pid 310] umount2("./1003/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5174] <... exit_group resumed>) = ? [pid 5175] <... symlinkat resumed>) = 0 [pid 5173] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./1003/binderfs" [pid 5173] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5173] symlink("/dev/binderfs", "./binderfs" [pid 310] unlink("./1003/binderfs" [pid 5175] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... unlink resumed>) = 0 [pid 5175] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./1003/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5175] <... unlinkat resumed>) = 0 [pid 5173] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 5173] write(1, "executing program\n", 18 [pid 310] umount2("./1003/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5174] +++ exited with 0 +++ [pid 5175] exit_group(0 [pid 5173] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./1003/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5174, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5175] <... exit_group resumed>) = ? [pid 5173] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> executing program [pid 310] umount2("./1003/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./1003/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5173] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 5173] mount(NULL, "./config", "configfs", 0, NULL [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5173] <... mount resumed>) = 0 [pid 5175] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5175, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5173] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 5173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] umount2("./988", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 306] umount2("./929", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./988", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5173] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./1003/config" [pid 308] <... openat resumed>) = 3 [pid 307] umount2("./956", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5173] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./929", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./988/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./956", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5173] <... mkdirat resumed>) = 0 [pid 310] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./988/binderfs" [pid 307] <... openat resumed>) = 3 [pid 5173] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(3 [pid 307] fstat(3 [pid 5173] <... symlinkat resumed>) = 0 [pid 310] rmdir("./1003" [pid 308] unlink("./988/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5173] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5173] <... unlinkat resumed>) = 0 [pid 310] mkdir("./1004", 0777 [pid 308] umount2("./988/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 5173] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 308] umount2("./988/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... mkdir resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./988/config" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5173] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./988/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./956/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./929/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5173] exit_group(0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5173] <... exit_group resumed>) = ? [pid 308] openat(AT_FDCWD, "./988/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 307] newfstatat(AT_FDCWD, "./956/binderfs" [pid 306] newfstatat(AT_FDCWD, "./929/binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5176 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 5176 attached [pid 5173] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] unlink("./956/binderfs" [pid 306] unlink("./929/binderfs" [pid 5176] set_robust_list(0x55556c898760, 24 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5173, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... unlink resumed>) = 0 [pid 5176] <... set_robust_list resumed>) = 0 [pid 308] close(4 [pid 306] <... unlink resumed>) = 0 [pid 5176] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 307] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5176] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rmdir("./988/config" [pid 306] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5176] chdir("./1004" [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 5176] <... chdir resumed>) = 0 [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = 0 [pid 5176] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5176] <... prctl resumed>) = 0 [pid 308] close(3 [pid 306] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5176] setpgid(0, 0 [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5176] <... setpgid resumed>) = 0 [pid 308] rmdir("./988" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5176] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./956/config" [pid 308] mkdir("./989", 0777 [pid 306] newfstatat(AT_FDCWD, "./929/config" [pid 5176] <... openat resumed>) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5176] write(3, "1000", 4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5176] <... write resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5176] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./929/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5177 attached [pid 5176] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5177] set_robust_list(0x55556c898760, 24 [pid 5176] symlink("/dev/binderfs", "./binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5177 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5177] <... set_robust_list resumed>) = 0 [pid 5176] <... symlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./956/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5177] rt_sigprocmask(SIG_SETMASK, [] [pid 5176] write(1, "executing program\n", 18 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 306] openat(AT_FDCWD, "./929/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5177] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5176] <... write resumed>) = 18 [pid 309] umount2("./983", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 5177] chdir("./989" [pid 5176] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 4 [pid 5177] <... chdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./983", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(4 [pid 309] <... openat resumed>) = 3 [pid 306] fstat(4 [pid 309] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 309] getdents64(3 [pid 306] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5177] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5176] <... mkdirat resumed>) = 0 [pid 309] umount2("./983/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5177] <... prctl resumed>) = 0 [pid 5176] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 5177] setpgid(0, 0 [pid 5176] <... mount resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./983/binderfs" [pid 306] getdents64(4 [pid 5177] <... setpgid resumed>) = 0 [pid 5176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5177] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5176] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./983/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5177] <... openat resumed>) = 3 [pid 5176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 307] close(4 [pid 5177] write(3, "1000", 4 [pid 5176] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./983/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 5177] <... write resumed>) = 4 [pid 5176] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 5177] close(3 [pid 309] umount2("./983/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./956/config" [pid 306] rmdir("./929/config" [pid 5177] <... close resumed>) = 0 [pid 5176] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./983/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./983/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 5177] symlink("/dev/binderfs", "./binderfs" [pid 5176] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] <... rmdir resumed>) = 0 [pid 5176] <... symlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./983/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5177] <... symlink resumed>) = 0 [pid 5176] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... openat resumed>) = 4 [pid 306] getdents64(3 [pid 5177] write(1, "executing program\n", 18 [pid 5176] <... unlinkat resumed>) = 0 executing program [pid 309] fstat(4 [pid 307] close(3 [pid 5177] <... write resumed>) = 18 [pid 5176] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5176] <... unlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... close resumed>) = 0 [pid 306] close(3 [pid 5177] mkdirat(AT_FDCWD, "./config", 0777 [pid 5176] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5176] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 307] rmdir("./956" [pid 306] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 309] rmdir("./983/config") = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] rmdir("./929" [pid 5176] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 307] mkdir("./957", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5176, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./983" [pid 307] <... mkdir resumed>) = 0 [pid 306] mkdir("./930", 0777 [pid 5177] <... mkdirat resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./984", 0777 [pid 5177] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... mkdir resumed>) = 0 [pid 5177] <... mount resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5177] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5178 attached [pid 5177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5178] set_robust_list(0x55556c898760, 24 [pid 5177] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5178 [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5177] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5178] <... set_robust_list resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5179 ci2-android-6-1/strace-static-x86_64: Process 5179 attached [pid 5179] set_robust_list(0x55556c898760, 24) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5180 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5177] <... mkdirat resumed>) = 0 [pid 5177] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5177] <... symlinkat resumed>) = 0 [pid 5178] rt_sigprocmask(SIG_SETMASK, [] [pid 5177] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-6-1/strace-static-x86_64: Process 5180 attached [pid 5178] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5179] rt_sigprocmask(SIG_SETMASK, [] [pid 5178] chdir("./984" [pid 5177] <... unlinkat resumed>) = 0 [pid 5180] set_robust_list(0x55556c898760, 24 [pid 5178] <... chdir resumed>) = 0 [pid 5177] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5180] <... set_robust_list resumed>) = 0 [pid 5178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5177] <... unlinkat resumed>) = 0 [pid 5178] setpgid(0, 0 [pid 5180] rt_sigprocmask(SIG_SETMASK, [] [pid 5178] <... setpgid resumed>) = 0 [pid 5177] exit_group(0) = ? [pid 5178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5179] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5179] chdir("./957") = 0 [pid 5179] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5177] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5177, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5179] <... prctl resumed>) = 0 [pid 5179] setpgid(0, 0) = 0 [pid 5179] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5180] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5179] <... openat resumed>) = 3 [pid 5178] <... openat resumed>) = 3 [pid 5180] chdir("./930" [pid 5178] write(3, "1000", 4 [pid 5180] <... chdir resumed>) = 0 [pid 5178] <... write resumed>) = 4 [pid 5180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5178] close(3 [pid 5180] <... prctl resumed>) = 0 [pid 5180] setpgid(0, 0 [pid 5178] <... close resumed>) = 0 [pid 5180] <... setpgid resumed>) = 0 [pid 5178] symlink("/dev/binderfs", "./binderfs" [pid 5179] write(3, "1000", 4) = 4 [pid 5179] close(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 5178] <... symlink resumed>) = 0 [pid 5180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5178] write(1, "executing program\n", 18 [pid 5180] <... openat resumed>) = 3 [pid 5178] <... write resumed>) = 18 [pid 5180] write(3, "1000", 4 [pid 310] umount2("./1004", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5178] mkdirat(AT_FDCWD, "./config", 0777 [pid 5180] <... write resumed>) = 4 [pid 310] openat(AT_FDCWD, "./1004", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 310] fstat(3 [pid 5179] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5180] close(3 [pid 5178] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 5180] <... close resumed>) = 0 [pid 5178] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5180] symlink("/dev/binderfs", "./binderfs" [pid 5178] <... mount resumed>) = 0 [pid 310] umount2("./1004/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5179] symlink("/dev/binderfs", "./binderfs" [pid 5178] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5180] <... symlink resumed>) = 0 [pid 5179] <... symlink resumed>) = 0 [pid 5178] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./1004/binderfs" [pid 5178] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5180] write(1, "executing program\n", 18 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5180] <... write resumed>) = 18 [pid 5178] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./1004/binderfs" executing program [pid 5178] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5179] write(1, "executing program\n", 18 [pid 310] <... unlink resumed>) = 0 [pid 5179] <... write resumed>) = 18 executing program [pid 310] umount2("./1004/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5180] mkdirat(AT_FDCWD, "./config", 0777 [pid 5178] <... mkdirat resumed>) = 0 [pid 5179] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 5180] <... mkdirat resumed>) = 0 [pid 5179] <... mkdirat resumed>) = 0 [pid 5178] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] umount2("./1004/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5180] mount(NULL, "./config", "configfs", 0, NULL [pid 5179] mount(NULL, "./config", "configfs", 0, NULL [pid 5178] <... symlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5180] <... mount resumed>) = 0 [pid 5179] <... mount resumed>) = 0 [pid 5178] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./1004/config" [pid 308] umount2("./989", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5178] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5180] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5179] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5178] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./1004/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./989", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5178] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 5180] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5179] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5178] exit_group(0 [pid 310] openat(AT_FDCWD, "./1004/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(3 [pid 5180] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5179] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5178] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] fstat(4 [pid 308] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] getdents64(4 [pid 308] umount2("./989/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5178] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5180] <... mkdirat resumed>) = 0 [pid 5179] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5178, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] newfstatat(AT_FDCWD, "./989/binderfs" [pid 5180] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5179] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5180] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5179] <... symlinkat resumed>) = 0 [pid 310] close(4 [pid 308] unlink("./989/binderfs" [pid 5180] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5179] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 5180] <... unlinkat resumed>) = 0 [pid 5179] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] rmdir("./1004/config" [pid 308] umount2("./989/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5179] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./989/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./989/config" [pid 310] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 308] umount2("./989/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5179] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 308] openat(AT_FDCWD, "./989/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5179] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 5179] <... exit_group resumed>) = ? [pid 310] rmdir("./1004" [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] close(4 [pid 310] mkdir("./1005", 0777 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./989/config") = 0 [pid 308] getdents64(3 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] rmdir("./989") = 0 [pid 308] mkdir("./990", 0777 [pid 5179] +++ exited with 0 +++ [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5181 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5180] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5179, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5182 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5180] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) ci2-android-6-1/strace-static-x86_64: Process 5181 attached [pid 5181] set_robust_list(0x55556c898760, 24) = 0 [pid 5181] rt_sigprocmask(SIG_SETMASK, [] [pid 5180] exit_group(0 [pid 5181] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5181] chdir("./1005") = 0 [pid 5181] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5181] setpgid(0, 0) = 0 [pid 5181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5180] <... exit_group resumed>) = ? [pid 5181] write(3, "1000", 4) = 4 [pid 5181] close(3) = 0 [pid 5181] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5181] write(1, "executing program\n", 18) = 18 [pid 5181] mkdirat(AT_FDCWD, "./config", 0777 [pid 5180] +++ exited with 0 +++ executing program [pid 5181] <... mkdirat resumed>) = 0 [pid 5181] mount(NULL, "./config", "configfs", 0, NULL [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5180, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5181] <... mount resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... restart_syscall resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5182 attached [pid 309] umount2("./984", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./984", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./984/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5182] set_robust_list(0x55556c898760, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./984/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./984/binderfs") = 0 [pid 309] umount2("./984/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] umount2("./984/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./984/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./984/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] umount2("./957", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./930", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./984/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 307] openat(AT_FDCWD, "./957", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./930", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(4 [pid 307] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 307] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 309] close(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./984/config" [pid 5182] <... set_robust_list resumed>) = 0 [pid 5181] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] rmdir("./984" [pid 307] umount2("./957/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5182] rt_sigprocmask(SIG_SETMASK, [] [pid 5181] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 306] umount2("./930/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./985", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5182] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5181] <... mkdirat resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./957/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./930/binderfs" [pid 5182] chdir("./990" [pid 5181] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] unlink("./957/binderfs" [pid 5182] <... chdir resumed>) = 0 [pid 5181] <... symlinkat resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5183 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] unlink("./930/binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5183 attached [pid 306] <... unlink resumed>) = 0 [pid 5182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5181] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5183] set_robust_list(0x55556c898760, 24 [pid 5182] <... prctl resumed>) = 0 [pid 5181] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 5183] <... set_robust_list resumed>) = 0 [pid 307] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5182] setpgid(0, 0 [pid 5181] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5183] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5183] chdir("./985") = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5182] <... setpgid resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./957/config" [pid 5183] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5183] setpgid(0, 0 [pid 5181] <... unlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./930/config" [pid 5182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5183] <... setpgid resumed>) = 0 [pid 5183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5182] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./930/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5181] exit_group(0 [pid 5183] <... openat resumed>) = 3 [pid 5182] write(3, "1000", 4 [pid 5181] <... exit_group resumed>) = ? [pid 307] openat(AT_FDCWD, "./957/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5183] write(3, "1000", 4 [pid 307] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./930/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5182] <... write resumed>) = 4 [pid 5183] <... write resumed>) = 4 [pid 5183] close(3) = 0 [pid 5183] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5183] write(1, "executing program\n", 18 [pid 5181] +++ exited with 0 +++ [pid 5183] <... write resumed>) = 18 [pid 5183] mkdirat(AT_FDCWD, "./config", 0777 [pid 5182] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5181, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] fstat(4 [pid 306] <... openat resumed>) = 4 [pid 5182] <... close resumed>) = 0 executing program [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] fstat(4 [pid 5183] <... mkdirat resumed>) = 0 [pid 5182] symlink("/dev/binderfs", "./binderfs" [pid 310] <... restart_syscall resumed>) = 0 [pid 5183] mount(NULL, "./config", "configfs", 0, NULL [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5183] <... mount resumed>) = 0 [pid 5182] <... symlink resumed>) = 0 [pid 5183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] getdents64(4 [pid 5183] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5182] write(1, "executing program\n", 18 [pid 310] umount2("./1005", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5182] <... write resumed>) = 18 executing program [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 310] openat(AT_FDCWD, "./1005", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5182] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] getdents64(4 [pid 310] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5183] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5182] <... mkdirat resumed>) = 0 [pid 310] fstat(3 [pid 307] close(4 [pid 306] close(4 [pid 5182] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5183] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5182] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 307] rmdir("./957/config" [pid 306] rmdir("./930/config" [pid 5183] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5183] <... unlinkat resumed>) = 0 [pid 5183] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] umount2("./1005/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 5183] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 5182] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./1005/binderfs" [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5183] <... exit_group resumed>) = ? [pid 5183] +++ exited with 0 +++ [pid 5182] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] unlink("./1005/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3 [pid 5182] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... unlink resumed>) = 0 [pid 5182] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5183, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(3 [pid 306] <... close resumed>) = 0 [pid 5182] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] umount2("./1005/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... close resumed>) = 0 [pid 306] rmdir("./930" [pid 310] <... umount2 resumed>) = 0 [pid 307] rmdir("./957" [pid 306] <... rmdir resumed>) = 0 [pid 5182] <... mkdirat resumed>) = 0 [pid 310] umount2("./1005/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5182] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... rmdir resumed>) = 0 [pid 306] mkdir("./931", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5182] <... symlinkat resumed>) = 0 [pid 5182] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] newfstatat(AT_FDCWD, "./1005/config" [pid 307] mkdir("./958", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 5182] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5182] <... unlinkat resumed>) = 0 [pid 5182] exit_group(0) = ? [pid 307] <... mkdir resumed>) = 0 [pid 5182] +++ exited with 0 +++ [pid 310] umount2("./1005/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5182, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] openat(AT_FDCWD, "./1005/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 5184 attached ci2-android-6-1/strace-static-x86_64: Process 5185 attached [pid 310] fstat(4 [pid 5185] set_robust_list(0x55556c898760, 24 [pid 5184] set_robust_list(0x55556c898760, 24 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5184 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5185 [pid 5184] <... set_robust_list resumed>) = 0 [pid 310] getdents64(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5184] rt_sigprocmask(SIG_SETMASK, [] [pid 5185] <... set_robust_list resumed>) = 0 [pid 310] close(4 [pid 5184] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] umount2("./985", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5185] rt_sigprocmask(SIG_SETMASK, [] [pid 5184] chdir("./958" [pid 310] rmdir("./1005/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5184] <... chdir resumed>) = 0 [pid 5185] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5185] chdir("./931") = 0 [pid 5185] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... rmdir resumed>) = 0 [pid 5184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] openat(AT_FDCWD, "./985", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 5184] <... prctl resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5184] setpgid(0, 0 [pid 309] fstat(3 [pid 310] close(3 [pid 5184] <... setpgid resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 5185] <... prctl resumed>) = 0 [pid 5184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] rmdir("./1005" [pid 309] getdents64(3 [pid 5185] setpgid(0, 0) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5185] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./985/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5184] <... openat resumed>) = 3 [pid 310] mkdir("./1006", 0777 [pid 5184] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5185] write(3, "1000", 4) = 4 [pid 5185] close(3) = 0 [pid 5185] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5184] <... write resumed>) = 4 [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./985/binderfs" [pid 5184] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5184] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5184] symlink("/dev/binderfs", "./binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./985/binderfs" [pid 5185] write(1, "executing program\n", 18) = 18 [pid 5185] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... unlink resumed>) = 0 [pid 5185] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] umount2("./985/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5184] <... symlink resumed>) = 0 [pid 5185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 executing program [pid 5184] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5186 [pid 309] <... umount2 resumed>) = 0 [pid 5184] <... write resumed>) = 18 [pid 5185] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./985/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 5185] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5184] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5185] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./985/config" [pid 5185] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5184] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./990", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5185] <... symlinkat resumed>) = 0 [pid 5184] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./985/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5185] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] openat(AT_FDCWD, "./990", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5185] <... unlinkat resumed>) = 0 [pid 5184] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 5185] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] openat(AT_FDCWD, "./985/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(3 [pid 5185] <... unlinkat resumed>) = 0 [pid 5184] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5185] exit_group(0 [pid 5184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] fstat(4 [pid 308] getdents64(3 [pid 5185] <... exit_group resumed>) = ? [pid 5184] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5185] +++ exited with 0 +++ [pid 5184] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(4 [pid 308] umount2("./990/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5186 attached [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5184] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./990/binderfs" [pid 5184] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5185, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5186] set_robust_list(0x55556c898760, 24 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] unlink("./990/binderfs" [pid 309] <... close resumed>) = 0 [pid 5186] <... set_robust_list resumed>) = 0 [pid 5186] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./985/config" [pid 308] <... unlink resumed>) = 0 [pid 5186] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5184] <... symlinkat resumed>) = 0 [pid 5184] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./990/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5186] chdir("./1006" [pid 5184] <... unlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... umount2 resumed>) = 0 [pid 5186] <... chdir resumed>) = 0 [pid 5184] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] umount2("./990/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5186] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5186] <... prctl resumed>) = 0 [pid 5184] <... unlinkat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./990/config" [pid 5186] setpgid(0, 0 [pid 5184] exit_group(0 [pid 309] rmdir("./985" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5186] <... setpgid resumed>) = 0 [pid 5184] <... exit_group resumed>) = ? [pid 308] umount2("./990/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./990/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 5184] +++ exited with 0 +++ [pid 308] <... close resumed>) = 0 [pid 309] mkdir("./986", 0777 [pid 308] rmdir("./990/config" [pid 5186] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 5186] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5184, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5186] write(3, "1000", 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5186] <... write resumed>) = 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] close(3) = 0 [pid 308] rmdir("./990") = 0 [pid 308] mkdir("./991", 0777 [pid 5186] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5186] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5187 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5188 [pid 5186] symlink("/dev/binderfs", "./binderfs" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./958", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./931", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./958", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./931", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5187 attached [pid 307] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 306] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5186] <... symlink resumed>) = 0 [pid 307] getdents64(3 [pid 5186] write(1, "executing program\n", 18 [pid 306] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5187] set_robust_list(0x55556c898760, 24 [pid 5186] <... write resumed>) = 18 [pid 307] umount2("./958/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./931/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 307] newfstatat(AT_FDCWD, "./958/binderfs" [pid 5186] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5188 attached [pid 5187] <... set_robust_list resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./931/binderfs" [pid 307] unlink("./958/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5187] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... unlink resumed>) = 0 [pid 306] unlink("./931/binderfs" [pid 307] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5187] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5187] chdir("./986" [pid 306] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5187] <... chdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 5186] <... mkdirat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./958/config" [pid 306] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5186] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./931/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./958/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./931/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5187] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... openat resumed>) = 4 [pid 5186] <... mount resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 5186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] openat(AT_FDCWD, "./931/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 [pid 307] getdents64(4 [pid 306] fstat(4 [pid 5186] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5187] <... prctl resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5187] setpgid(0, 0 [pid 307] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5186] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5187] <... setpgid resumed>) = 0 [pid 5187] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5186] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 307] rmdir("./958/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5187] <... openat resumed>) = 3 [pid 5187] write(3, "1000", 4) = 4 [pid 5187] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 307] getdents64(3 [pid 5187] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 307] close(3 [pid 306] rmdir("./931/config" [pid 307] <... close resumed>) = 0 [pid 5187] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] rmdir("./958" [pid 306] <... rmdir resumed>) = 0 [pid 5186] <... mkdirat resumed>) = 0 [pid 5187] write(1, "executing program\n", 18) = 18 [pid 5187] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 5186] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3 [pid 307] mkdir("./959", 0777 [pid 5187] <... mkdirat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(3 [pid 5186] <... symlinkat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5186] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 5187] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5187] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5187] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5187] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] rmdir("./931" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5189 [pid 5187] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5187] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5188] set_robust_list(0x55556c898760, 24 [pid 306] <... rmdir resumed>) = 0 [pid 5188] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5186] <... unlinkat resumed>) = 0 [pid 306] mkdir("./932", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5187] <... symlinkat resumed>) = 0 [pid 5187] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5187] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5186] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... mkdir resumed>) = 0 [pid 5187] exit_group(0 [pid 5186] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5187] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5186] exit_group(0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5187] +++ exited with 0 +++ [pid 5186] <... exit_group resumed>) = ? [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5190 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5187, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5188] rt_sigprocmask(SIG_SETMASK, [] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5188] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5188] chdir("./991") = 0 [pid 5188] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5188] setpgid(0, 0) = 0 [pid 5188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5188] write(3, "1000", 4) = 4 [pid 5186] +++ exited with 0 +++ [pid 5188] close(3) = 0 [pid 5188] symlink("/dev/binderfs", "./binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5186, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 5189 attached [pid 5188] <... symlink resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5188] write(1, "executing program\n", 18) = 18 executing program [pid 5188] mkdirat(AT_FDCWD, "./config", 0777 [pid 5189] set_robust_list(0x55556c898760, 24 [pid 5188] <... mkdirat resumed>) = 0 [pid 5188] mount(NULL, "./config", "configfs", 0, NULL [pid 5189] <... set_robust_list resumed>) = 0 [pid 5188] <... mount resumed>) = 0 [pid 5188] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5188] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5188] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5189] rt_sigprocmask(SIG_SETMASK, [] [pid 5188] <... mkdirat resumed>) = 0 [pid 5188] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5188] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5189] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5188] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5188] exit_group(0) = ? [pid 5189] chdir("./959") = 0 [pid 5188] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5188, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5190 attached [pid 5190] set_robust_list(0x55556c898760, 24) = 0 [pid 5190] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5190] chdir("./932" [pid 5189] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5190] <... chdir resumed>) = 0 [pid 5190] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5190] setpgid(0, 0) = 0 [pid 5190] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5189] <... prctl resumed>) = 0 [pid 5190] write(3, "1000", 4) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 5189] setpgid(0, 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] umount2("./991", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5189] <... setpgid resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./991", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5189] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 3 [pid 310] umount2("./1006", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./986", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 5189] <... openat resumed>) = 3 [pid 310] openat(AT_FDCWD, "./1006", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5189] write(3, "1000", 4 [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./986", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./991/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5189] <... write resumed>) = 4 [pid 310] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./991/binderfs" [pid 309] <... openat resumed>) = 3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5189] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 308] unlink("./991/binderfs" [pid 5189] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./991/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5189] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(3 [pid 308] umount2("./991/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1006/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./986/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./991/config" [pid 310] newfstatat(AT_FDCWD, "./1006/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5189] <... symlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./986/binderfs" [pid 308] umount2("./991/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5189] write(1, "executing program\n", 18 [pid 310] unlink("./1006/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5190] close(3 [pid 308] openat(AT_FDCWD, "./991/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5190] <... close resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] unlink("./986/binderfs" [pid 308] <... openat resumed>) = 4 [pid 5190] symlink("/dev/binderfs", "./binderfs" [pid 5189] <... write resumed>) = 18 [pid 310] umount2("./1006/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 308] fstat(4 [pid 5190] <... symlink resumed>) = 0 [pid 5189] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5190] write(1, "executing program\n", 18 [pid 310] umount2("./1006/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./986/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 5190] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5190] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./1006/config" [pid 309] umount2("./986/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 308] getdents64(4 [pid 5190] <... mkdirat resumed>) = 0 [pid 5189] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5190] mount(NULL, "./config", "configfs", 0, NULL [pid 5189] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./1006/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./986/config" [pid 308] close(4 [pid 5190] <... mount resumed>) = 0 [pid 5189] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 5190] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] openat(AT_FDCWD, "./1006/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./986/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./991/config" [pid 5190] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5189] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 5190] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(4 [pid 309] openat(AT_FDCWD, "./986/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 5190] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5189] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5190] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] close(3 [pid 5189] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(4 [pid 309] fstat(4 [pid 308] <... close resumed>) = 0 [pid 5190] <... mkdirat resumed>) = 0 [pid 5189] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./991" [pid 5190] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5189] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 308] <... rmdir resumed>) = 0 [pid 5190] <... symlinkat resumed>) = 0 [pid 5189] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] mkdir("./992", 0777 [pid 5190] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5189] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] close(4 [pid 309] getdents64(4 [pid 308] <... mkdir resumed>) = 0 [pid 5190] <... unlinkat resumed>) = 0 [pid 5189] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5190] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5189] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./1006/config" [pid 309] close(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5190] <... unlinkat resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5191 attached [pid 5190] exit_group(0 [pid 5189] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 5190] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 309] rmdir("./986/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5191 [pid 5191] set_robust_list(0x55556c898760, 24 [pid 5190] +++ exited with 0 +++ [pid 5189] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5189] <... exit_group resumed>) = ? [pid 310] close(3 [pid 309] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5191] <... set_robust_list resumed>) = 0 [pid 5191] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5191] chdir("./992") = 0 [pid 5191] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5189] +++ exited with 0 +++ [pid 5191] setpgid(0, 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5190, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5189, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./1006" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5191] <... setpgid resumed>) = 0 [pid 5191] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 310] mkdir("./1007", 0777 [pid 5191] write(3, "1000", 4 [pid 309] <... close resumed>) = 0 [pid 5191] <... write resumed>) = 4 [pid 5191] close(3) = 0 [pid 5191] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] rmdir("./986" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5191] write(1, "executing program\n", 18) = 18 [pid 5191] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./987", 0777 [pid 5191] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5191] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5191] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5192 [pid 309] <... mkdir resumed>) = 0 [pid 5191] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5191] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5191] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5191] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 5193 attached [pid 5191] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5191, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5192 attached [pid 5192] set_robust_list(0x55556c898760, 24 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5193 [pid 5192] <... set_robust_list resumed>) = 0 [pid 5192] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5192] chdir("./1007") = 0 [pid 5192] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5192] setpgid(0, 0) = 0 [pid 5192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5193] set_robust_list(0x55556c898760, 24 [pid 5192] write(3, "1000", 4) = 4 [pid 5192] close(3) = 0 [pid 5192] symlink("/dev/binderfs", "./binderfs" [pid 5193] <... set_robust_list resumed>) = 0 [pid 5192] <... symlink resumed>) = 0 [pid 5192] write(1, "executing program\n", 18) = 18 executing program [pid 5192] mkdirat(AT_FDCWD, "./config", 0777 [pid 5193] rt_sigprocmask(SIG_SETMASK, [] [pid 5192] <... mkdirat resumed>) = 0 [pid 5192] mount(NULL, "./config", "configfs", 0, NULL [pid 5193] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5192] <... mount resumed>) = 0 [pid 5192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5192] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5193] chdir("./987" [pid 5192] <... mkdirat resumed>) = 0 [pid 5192] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5192] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5193] <... chdir resumed>) = 0 [pid 5192] <... unlinkat resumed>) = 0 [pid 5192] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5192] exit_group(0) = ? [pid 307] <... restart_syscall resumed>) = 0 [pid 5193] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] umount2("./959", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5193] setpgid(0, 0 [pid 307] openat(AT_FDCWD, "./959", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5192] +++ exited with 0 +++ [pid 5193] <... setpgid resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5192, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(3 [pid 5193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 5193] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./932", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./959/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5193] write(3, "1000", 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./932", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./959/binderfs" [pid 306] <... openat resumed>) = 3 [pid 5193] <... write resumed>) = 4 [pid 5193] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(3 [pid 307] unlink("./959/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5193] <... close resumed>) = 0 [pid 5193] symlink("/dev/binderfs", "./binderfs" [pid 307] <... unlink resumed>) = 0 [pid 5193] <... symlink resumed>) = 0 [pid 307] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 5193] write(1, "executing program\n", 18) = 18 [pid 5193] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... umount2 resumed>) = 0 executing program [pid 306] umount2("./932/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./932/binderfs" [pid 307] newfstatat(AT_FDCWD, "./959/config" [pid 5193] <... mkdirat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./932/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./992", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./992", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./959/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... unlink resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./992/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 308] newfstatat(AT_FDCWD, "./992/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./992/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./932/config" [pid 307] getdents64(4 [pid 308] umount2("./992/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] close(4 [pid 308] umount2("./992/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./932/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./992/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./959/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./932/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./992/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./992/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4 [pid 307] <... rmdir resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 [pid 308] getdents64(4 [pid 307] getdents64(3 [pid 306] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 307] close(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 308] close(4 [pid 307] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./992/config" [pid 5193] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./959" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5193] <... mount resumed>) = 0 [pid 308] getdents64(3 [pid 5193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5193] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] close(3 [pid 5193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... close resumed>) = 0 [pid 5193] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rmdir("./992" [pid 307] <... rmdir resumed>) = 0 [pid 5193] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 5193] <... mkdirat resumed>) = 0 [pid 310] umount2("./1007", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./993", 0777 [pid 307] mkdir("./960", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5193] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... mkdir resumed>) = 0 [pid 5193] <... symlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5193] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 5193] <... unlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1007", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(4 [pid 5193] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... openat resumed>) = 3 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 5194 attached [pid 5193] <... unlinkat resumed>) = 0 [pid 310] fstat(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5194 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 5193] exit_group(0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rmdir("./932/config" [pid 5193] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5193] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 ci2-android-6-1/strace-static-x86_64: Process 5195 attached [pid 5195] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./1007/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5195 [pid 310] newfstatat(AT_FDCWD, "./1007/binderfs" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5193, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] unlink("./1007/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(3 [pid 5195] <... set_robust_list resumed>) = 0 [pid 5195] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... close resumed>) = 0 [pid 310] umount2("./1007/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5195] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./932" [pid 5195] chdir("./960" [pid 5194] set_robust_list(0x55556c898760, 24 [pid 5195] <... chdir resumed>) = 0 [pid 5194] <... set_robust_list resumed>) = 0 [pid 5194] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] umount2("./1007/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] mkdir("./933", 0777 [pid 310] newfstatat(AT_FDCWD, "./1007/config" [pid 5195] <... prctl resumed>) = 0 [pid 5195] setpgid(0, 0) = 0 [pid 5195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5194] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5194] chdir("./993" [pid 5195] <... openat resumed>) = 3 [pid 310] umount2("./1007/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] openat(AT_FDCWD, "./1007/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5194] <... chdir resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(4 [pid 5194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5194] <... prctl resumed>) = 0 [pid 5194] setpgid(0, 0 [pid 310] getdents64(4 [pid 5194] <... setpgid resumed>) = 0 [pid 5194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5195] write(3, "1000", 4) = 4 [pid 5195] close(3) = 0 [pid 5194] <... openat resumed>) = 3 [pid 5195] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5196 [pid 5194] write(3, "1000", 4 [pid 310] getdents64(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5194] <... write resumed>) = 4 [pid 310] close(4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5194] close(3 [pid 310] <... close resumed>) = 0 [pid 5194] <... close resumed>) = 0 [pid 310] rmdir("./1007/config" [pid 5194] symlink("/dev/binderfs", "./binderfs"ci2-android-6-1/strace-static-x86_64: Process 5196 attached [pid 5195] write(1, "executing program\n", 18 [pid 310] <... rmdir resumed>) = 0 executing program [pid 5195] <... write resumed>) = 18 [pid 5194] <... symlink resumed>) = 0 [pid 310] getdents64(3 [pid 5195] mkdirat(AT_FDCWD, "./config", 0777 [pid 5194] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5195] <... mkdirat resumed>) = 0 [pid 5194] <... write resumed>) = 18 executing program [pid 310] close(3 [pid 5195] mount(NULL, "./config", "configfs", 0, NULL [pid 5194] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... close resumed>) = 0 [pid 5195] <... mount resumed>) = 0 [pid 5194] <... mkdirat resumed>) = 0 [pid 310] rmdir("./1007" [pid 5195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5194] mount(NULL, "./config", "configfs", 0, NULL [pid 5195] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5194] <... mount resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] mkdir("./1008", 0777 [pid 5195] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5194] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5195] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5195] <... mkdirat resumed>) = 0 [pid 5194] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 5195] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5194] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5195] <... symlinkat resumed>) = 0 [pid 5194] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5195] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5194] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5195] <... unlinkat resumed>) = 0 [pid 5194] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5195] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5194] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5195] <... unlinkat resumed>) = 0 [pid 5194] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5195] exit_group(0 [pid 5194] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5195] <... exit_group resumed>) = ? [pid 5194] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5197 ci2-android-6-1/strace-static-x86_64: Process 5197 attached [pid 5195] +++ exited with 0 +++ [pid 5194] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5194] <... exit_group resumed>) = ? [pid 5197] set_robust_list(0x55556c898760, 24 [pid 5194] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5195, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5194, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5196] set_robust_list(0x55556c898760, 24) = 0 [pid 5196] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5197] <... set_robust_list resumed>) = 0 [pid 5196] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5196] chdir("./933") = 0 [pid 5196] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5196] setpgid(0, 0) = 0 [pid 5196] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5196] write(3, "1000", 4) = 4 [pid 5196] close(3) = 0 [pid 5196] symlink("/dev/binderfs", "./binderfs" [pid 5197] rt_sigprocmask(SIG_SETMASK, [] [pid 5196] <... symlink resumed>) = 0 [pid 5196] write(1, "executing program\n", 18) = 18 executing program [pid 5196] mkdirat(AT_FDCWD, "./config", 0777 [pid 5197] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5196] <... mkdirat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 308] umount2("./993", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./993", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 309] umount2("./987", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./987", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 309] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./993/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./993/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./993/binderfs" [pid 5197] chdir("./1008" [pid 309] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] umount2("./993/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5197] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./993/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./993/config" [pid 309] umount2("./987/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./993/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./960", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./987/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./993/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] unlink("./987/binderfs" [pid 308] getdents64(4 [pid 307] openat(AT_FDCWD, "./960", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5196] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(4 [pid 5196] <... mount resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 5196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./987/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 307] fstat(3 [pid 5196] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 5196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./987/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./993/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5196] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 5196] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] newfstatat(AT_FDCWD, "./987/config" [pid 308] getdents64(3 [pid 307] getdents64(3 [pid 5197] <... prctl resumed>) = 0 [pid 5196] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5196] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./987/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5197] setpgid(0, 0 [pid 5196] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] umount2("./960/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5196] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] openat(AT_FDCWD, "./987/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./993" [pid 5197] <... setpgid resumed>) = 0 [pid 5196] <... unlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5196] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] mkdir("./994", 0777 [pid 5197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5196] <... unlinkat resumed>) = 0 [pid 309] fstat(4 [pid 308] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./960/binderfs" [pid 5196] exit_group(0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5196] <... exit_group resumed>) = ? [pid 309] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5197] <... openat resumed>) = 3 [pid 5196] +++ exited with 0 +++ [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5197] write(3, "1000", 4 [pid 309] getdents64(4 [pid 307] unlink("./960/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5198 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5196, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] close(4 [pid 307] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... close resumed>) = 0 [pid 309] rmdir("./987/config" [pid 307] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5198 attached [pid 5198] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./960/config" [pid 309] close(3 [pid 5198] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 307] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./987" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5198] chdir("./994") = 0 [pid 5198] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5198] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./960/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] mkdir("./988", 0777 [pid 307] <... openat resumed>) = 4 [pid 5198] <... setpgid resumed>) = 0 [pid 5198] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5198] write(3, "1000", 4 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] fstat(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(4 [pid 5198] <... write resumed>) = 4 [pid 5198] close(3) = 0 [pid 5198] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5198] write(1, "executing program\n", 18) = 18 [pid 5198] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5199 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./960/config" [pid 5198] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5198] mount(NULL, "./config", "configfs", 0, NULL [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./960" [pid 5198] <... mount resumed>) = 0 [pid 5198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5198] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5198] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... rmdir resumed>) = 0 [pid 5198] <... symlinkat resumed>) = 0 [pid 5198] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] mkdir("./961", 0777 [pid 5198] <... unlinkat resumed>) = 0 [pid 5198] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5198] exit_group(0) = ? [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5198] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5198, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5200 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5199 attached [pid 5199] set_robust_list(0x55556c898760, 24) = 0 [pid 5199] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5199] chdir("./988" [pid 5197] <... write resumed>) = 4 [pid 5199] <... chdir resumed>) = 0 [pid 5199] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5199] setpgid(0, 0) = 0 [pid 5197] close(3 [pid 5199] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 5200 attached [pid 5197] <... close resumed>) = 0 [pid 5199] <... openat resumed>) = 3 [pid 5199] write(3, "1000", 4) = 4 [pid 5199] close(3) = 0 [pid 5199] symlink("/dev/binderfs", "./binderfs" [pid 5197] symlink("/dev/binderfs", "./binderfs" [pid 5199] <... symlink resumed>) = 0 [pid 5199] write(1, "executing program\n", 18) = 18 executing program [pid 5199] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5199] mount(NULL, "./config", "configfs", 0, NULL [pid 5197] <... symlink resumed>) = 0 [pid 5199] <... mount resumed>) = 0 [pid 5199] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5199] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5199] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5197] write(1, "executing program\n", 18 [pid 5200] set_robust_list(0x55556c898760, 24 [pid 5199] <... mkdirat resumed>) = 0 [pid 5199] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... restart_syscall resumed>) = 0 [pid 5197] <... write resumed>) = 18 [pid 306] umount2("./933", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5199] <... symlinkat resumed>) = 0 [pid 5199] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5197] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] openat(AT_FDCWD, "./933", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 306] fstat(3 [pid 5199] <... unlinkat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5199] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./933/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./933/binderfs" [pid 5199] <... unlinkat resumed>) = 0 [pid 5199] exit_group(0) = ? [pid 5199] +++ exited with 0 +++ [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 306] unlink("./933/binderfs" [pid 5197] <... mkdirat resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5199, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5200] <... set_robust_list resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... unlink resumed>) = 0 [pid 5197] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... restart_syscall resumed>) = 0 [pid 5197] <... mount resumed>) = 0 [pid 306] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./994", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] umount2("./988", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./994", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 306] <... umount2 resumed>) = 0 [pid 309] openat(AT_FDCWD, "./988", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] fstat(3 [pid 306] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5197] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] fstat(3 [pid 308] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5197] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5197] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] getdents64(3 [pid 308] umount2("./994/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./933/config" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./988/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./994/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5197] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5197] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] newfstatat(AT_FDCWD, "./988/binderfs" [pid 308] unlink("./994/binderfs" [pid 306] umount2("./933/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5197] <... symlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... unlink resumed>) = 0 [pid 5197] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] unlink("./988/binderfs" [pid 308] umount2("./994/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./994/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./933/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5197] <... unlinkat resumed>) = 0 [pid 309] umount2("./988/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5197] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... umount2 resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./994/config" [pid 306] <... openat resumed>) = 4 [pid 309] umount2("./988/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./994/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(4 [pid 5197] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./988/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5197] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] openat(AT_FDCWD, "./994/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5197] <... exit_group resumed>) = ? [pid 309] umount2("./988/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(4 [pid 306] getdents64(4 [pid 309] openat(AT_FDCWD, "./988/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 5197] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5197, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] close(4 [pid 306] close(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./994/config" [pid 306] <... close resumed>) = 0 [pid 5200] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(4 [pid 308] <... rmdir resumed>) = 0 [pid 5200] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 306] rmdir("./933/config" [pid 5200] chdir("./961" [pid 309] rmdir("./988/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5200] <... chdir resumed>) = 0 [pid 308] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 5200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... close resumed>) = 0 [pid 5200] <... prctl resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./994" [pid 306] getdents64(3 [pid 5200] setpgid(0, 0 [pid 309] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 5200] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] mkdir("./995", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 5200] <... openat resumed>) = 3 [pid 309] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] close(3 [pid 5200] write(3, "1000", 4 [pid 309] rmdir("./988" [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5200] <... write resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5201 attached [pid 5200] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 5201] set_robust_list(0x55556c898760, 24 [pid 5200] <... close resumed>) = 0 [pid 309] mkdir("./989", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5201 [pid 306] rmdir("./933" [pid 5201] <... set_robust_list resumed>) = 0 [pid 5200] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5200] <... symlink resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5201] rt_sigprocmask(SIG_SETMASK, [] [pid 5200] write(1, "executing program\n", 18 executing program [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 5201] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5200] <... write resumed>) = 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] mkdir("./934", 0777 [pid 5200] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] umount2("./1008", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 5200] mount(NULL, "./config", "configfs", 0, NULL [pid 5201] chdir("./995" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 5202 attached [pid 5201] <... chdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1008", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5202 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5202] set_robust_list(0x55556c898760, 24 [pid 5201] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5200] <... mount resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5202] <... set_robust_list resumed>) = 0 [pid 5201] <... prctl resumed>) = 0 [pid 310] fstat(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5201] setpgid(0, 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5203 [pid 5200] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 5200] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5202] rt_sigprocmask(SIG_SETMASK, [] [pid 5201] <... setpgid resumed>) = 0 [pid 5200] <... mkdirat resumed>) = 0 [pid 310] umount2("./1008/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5202] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5201] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5200] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./1008/binderfs" [pid 5201] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5201] write(3, "1000", 4 [pid 310] unlink("./1008/binderfs" [pid 5202] chdir("./989" [pid 5201] <... write resumed>) = 4 [pid 5202] <... chdir resumed>) = 0 [pid 5201] close(3 [pid 5200] <... symlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 5201] <... close resumed>) = 0 [pid 5202] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] umount2("./1008/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5201] symlink("/dev/binderfs", "./binderfs" [pid 5202] <... prctl resumed>) = 0 [pid 5200] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = 0 [pid 5202] setpgid(0, 0 [pid 5201] <... symlink resumed>) = 0 [pid 5200] <... unlinkat resumed>) = 0 executing program [pid 5202] <... setpgid resumed>) = 0 [pid 5201] write(1, "executing program\n", 18 [pid 5200] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./1008/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5202] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5201] <... write resumed>) = 18 [pid 5200] <... unlinkat resumed>) = 0 [pid 5200] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5202] <... openat resumed>) = 3 [pid 5201] mkdirat(AT_FDCWD, "./config", 0777 [pid 5200] <... exit_group resumed>) = ? [pid 5202] write(3, "1000", 4 [pid 5201] <... mkdirat resumed>) = 0 [pid 5200] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./1008/config" [pid 5202] <... write resumed>) = 4 [pid 5201] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5200, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5201] <... mount resumed>) = 0 [pid 5202] close(3 [pid 310] umount2("./1008/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5201] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5202] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5202] symlink("/dev/binderfs", "./binderfs" [pid 5201] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./1008/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5203 attached [pid 5202] <... symlink resumed>) = 0 [pid 5201] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 4 [pid 5203] set_robust_list(0x55556c898760, 24 [pid 5202] write(1, "executing program\n", 18 [pid 310] fstat(4 [pid 5203] <... set_robust_list resumed>) = 0 [pid 5202] <... write resumed>) = 18 [pid 5201] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 5202] mkdirat(AT_FDCWD, "./config", 0777 [pid 5201] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5203] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 5201] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5203] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5201] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] close(4) = 0 [pid 5201] <... symlinkat resumed>) = 0 [pid 310] rmdir("./1008/config" [pid 5203] chdir("./934" [pid 5202] <... mkdirat resumed>) = 0 [pid 5201] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5203] <... chdir resumed>) = 0 [pid 5203] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5201] <... unlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5202] mount(NULL, "./config", "configfs", 0, NULL [pid 5201] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 5203] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5201] <... unlinkat resumed>) = 0 [pid 310] close(3 [pid 5203] setpgid(0, 0 [pid 5201] exit_group(0 [pid 310] <... close resumed>) = 0 [pid 5203] <... setpgid resumed>) = 0 [pid 5202] <... mount resumed>) = 0 [pid 5201] <... exit_group resumed>) = ? [pid 310] rmdir("./1008" [pid 5203] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 5203] write(3, "1000", 4 [pid 310] mkdir("./1009", 0777 [pid 5203] <... write resumed>) = 4 [pid 5203] close(3) = 0 [pid 5203] symlink("/dev/binderfs", "./binderfs" [pid 310] <... mkdir resumed>) = 0 [pid 5203] <... symlink resumed>) = 0 [pid 5202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5201] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5203] write(1, "executing program\n", 18 [pid 5202] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5203] <... write resumed>) = 18 [pid 5202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5201, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5203] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] umount2("./995", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5204 attached [pid 5203] <... mkdirat resumed>) = 0 [pid 5202] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... restart_syscall resumed>) = 0 [pid 5204] set_robust_list(0x55556c898760, 24 [pid 5203] mount(NULL, "./config", "configfs", 0, NULL [pid 5202] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5204 [pid 308] openat(AT_FDCWD, "./995", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5204] <... set_robust_list resumed>) = 0 [pid 5203] <... mount resumed>) = 0 [pid 5202] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... openat resumed>) = 3 [pid 5204] rt_sigprocmask(SIG_SETMASK, [] [pid 5203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5202] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] fstat(3 [pid 5204] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5202] <... symlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5204] chdir("./1009" [pid 5203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5202] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] getdents64(3 [pid 5204] <... chdir resumed>) = 0 [pid 5203] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5202] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./961", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5203] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5202] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] umount2("./995/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5204] <... prctl resumed>) = 0 [pid 5203] <... mkdirat resumed>) = 0 [pid 5202] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5204] setpgid(0, 0 [pid 5203] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5202] exit_group(0 [pid 308] newfstatat(AT_FDCWD, "./995/binderfs" [pid 5204] <... setpgid resumed>) = 0 [pid 5203] <... symlinkat resumed>) = 0 [pid 5202] <... exit_group resumed>) = ? [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./961", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5203] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] unlink("./995/binderfs" [pid 5203] <... unlinkat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 5204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5203] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5202] +++ exited with 0 +++ [pid 308] umount2("./995/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 5204] <... openat resumed>) = 3 [pid 5203] <... unlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 5204] write(3, "1000", 4 [pid 5203] exit_group(0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5202, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./995/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5204] <... write resumed>) = 4 [pid 5203] <... exit_group resumed>) = ? [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5204] close(3 [pid 5203] +++ exited with 0 +++ [pid 308] newfstatat(AT_FDCWD, "./995/config" [pid 307] getdents64(3 [pid 5204] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5204] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./995/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5203, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5204] <... symlink resumed>) = 0 [pid 308] openat(AT_FDCWD, "./995/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./961/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5204] write(1, "executing program\n", 18 [pid 308] <... openat resumed>) = 4 executing program [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5204] <... write resumed>) = 18 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5204] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./961/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5204] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5204] mount(NULL, "./config", "configfs", 0, NULL [pid 308] close(4 [pid 307] unlink("./961/binderfs" [pid 5204] <... mount resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./995/config" [pid 5204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 5204] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(3 [pid 5204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5204] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] close(3 [pid 5204] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 308] rmdir("./995" [pid 5204] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5204] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] mkdir("./996", 0777 [pid 5204] <... symlinkat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5204] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5204] <... unlinkat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./961/config" [pid 5204] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5205 attached [pid 5204] <... unlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5205] set_robust_list(0x55556c898760, 24 [pid 5204] exit_group(0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5205 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5205] <... set_robust_list resumed>) = 0 [pid 5204] <... exit_group resumed>) = ? [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./961/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5205] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 5205] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] getdents64(4 [pid 5205] chdir("./996" [pid 5204] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./989", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5204, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(4 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 5205] <... chdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./989", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rmdir("./961/config" [pid 5205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... openat resumed>) = 3 [pid 5205] <... prctl resumed>) = 0 [pid 5205] setpgid(0, 0 [pid 309] fstat(3 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 5205] <... setpgid resumed>) = 0 [pid 309] getdents64(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] close(3 [pid 5205] <... openat resumed>) = 3 [pid 309] umount2("./989/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 5205] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./961" [pid 5205] <... write resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./989/binderfs" [pid 5205] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] mkdir("./962", 0777 [pid 309] unlink("./989/binderfs" [pid 5205] <... close resumed>) = 0 [pid 5205] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5205] write(1, "executing program\n", 18 [pid 309] umount2("./989/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5205] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5205] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./989/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./934", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5205] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./989/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./934", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5206 attached [pid 309] umount2("./989/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5206 [pid 306] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5206] set_robust_list(0x55556c898760, 24 [pid 5205] mount(NULL, "./config", "configfs", 0, NULL [pid 309] openat(AT_FDCWD, "./989/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(3 [pid 5206] <... set_robust_list resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 5206] rt_sigprocmask(SIG_SETMASK, [] [pid 5205] <... mount resumed>) = 0 [pid 309] getdents64(4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5206] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5206] chdir("./962" [pid 5205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 306] umount2("./934/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5206] <... chdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5206] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(4 [pid 306] newfstatat(AT_FDCWD, "./934/binderfs" [pid 5206] <... prctl resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 5206] setpgid(0, 0 [pid 5205] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./989/config" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5206] <... setpgid resumed>) = 0 [pid 5205] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] unlink("./934/binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 5205] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5205] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5206] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5205] <... unlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 5206] <... openat resumed>) = 3 [pid 5205] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5206] write(3, "1000", 4 [pid 5205] <... unlinkat resumed>) = 0 [pid 306] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5206] <... write resumed>) = 4 [pid 5205] exit_group(0 [pid 309] close(3 [pid 5206] close(3 [pid 5205] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = 0 [pid 5206] <... close resumed>) = 0 [pid 5205] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 306] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5206] symlink("/dev/binderfs", "./binderfs" [pid 309] rmdir("./989" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5205, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... rmdir resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./934/config" [pid 5206] <... symlink resumed>) = 0 [pid 309] mkdir("./990", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 5206] write(1, "executing program\n", 18 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5206] <... write resumed>) = 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 executing program [pid 5206] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./996", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./934/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./1009", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] openat(AT_FDCWD, "./996", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 310] openat(AT_FDCWD, "./1009", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] openat(AT_FDCWD, "./934/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5207 attached [pid 5206] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5207 [pid 308] getdents64(3 [pid 5207] set_robust_list(0x55556c898760, 24 [pid 5206] mount(NULL, "./config", "configfs", 0, NULL [pid 310] fstat(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... openat resumed>) = 4 [pid 5207] <... set_robust_list resumed>) = 0 [pid 5206] <... mount resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./996/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 5207] rt_sigprocmask(SIG_SETMASK, [] [pid 5206] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] newfstatat(AT_FDCWD, "./996/binderfs" [pid 5207] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./1009/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5207] chdir("./990" [pid 5206] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./996/binderfs" [pid 306] getdents64(4 [pid 5207] <... chdir resumed>) = 0 [pid 5206] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] newfstatat(AT_FDCWD, "./1009/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 5207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./996/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5206] <... mkdirat resumed>) = 0 [pid 5207] <... prctl resumed>) = 0 [pid 310] unlink("./1009/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 5207] setpgid(0, 0 [pid 5206] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./996/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 5207] <... setpgid resumed>) = 0 [pid 5206] <... symlinkat resumed>) = 0 [pid 310] umount2("./1009/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5206] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] newfstatat(AT_FDCWD, "./996/config" [pid 5206] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] close(4 [pid 5206] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./1009/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./996/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 5207] <... openat resumed>) = 3 [pid 5206] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1009/config" [pid 308] openat(AT_FDCWD, "./996/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rmdir("./934/config" [pid 5207] write(3, "1000", 4 [pid 5206] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 5206] <... exit_group resumed>) = ? [pid 310] umount2("./1009/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5207] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 310] openat(AT_FDCWD, "./1009/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(3 [pid 310] <... openat resumed>) = 4 [pid 308] getdents64(4 [pid 5206] +++ exited with 0 +++ [pid 310] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5207] close(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4) = 0 [pid 310] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5206, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] close(3 [pid 5207] <... close resumed>) = 0 [pid 308] rmdir("./996/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5207] symlink("/dev/binderfs", "./binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5207] <... symlink resumed>) = 0 [pid 310] getdents64(4 [pid 308] getdents64(3 [pid 306] rmdir("./934" [pid 5207] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 308] close(3 [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 executing program [pid 306] <... rmdir resumed>) = 0 [pid 5207] <... write resumed>) = 18 [pid 310] rmdir("./1009/config" [pid 308] rmdir("./996" [pid 306] mkdir("./935", 0777 [pid 5207] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./997", 0777 [pid 310] getdents64(3 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 5207] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5207] mount(NULL, "./config", "configfs", 0, NULL [pid 310] close(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5207] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5208 attached [pid 5207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rmdir("./1009" [pid 5207] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5208 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5208] set_robust_list(0x55556c898760, 24 [pid 5207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5208] <... set_robust_list resumed>) = 0 [pid 5208] rt_sigprocmask(SIG_SETMASK, [] [pid 310] mkdir("./1010", 0777 [pid 5207] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 5209 attached [pid 5208] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5208] chdir("./997" [pid 5209] set_robust_list(0x55556c898760, 24 [pid 5208] <... chdir resumed>) = 0 [pid 5207] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5209 [pid 5209] <... set_robust_list resumed>) = 0 [pid 5208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5207] <... mkdirat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5207] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5208] <... prctl resumed>) = 0 [pid 5207] <... symlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5209] rt_sigprocmask(SIG_SETMASK, [] [pid 5207] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5209] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5208] setpgid(0, 0 [pid 5207] <... unlinkat resumed>) = 0 [pid 5208] <... setpgid resumed>) = 0 [pid 5208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5207] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5209] chdir("./935" [pid 5208] write(3, "1000", 4 [pid 5207] <... unlinkat resumed>) = 0 [pid 5209] <... chdir resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5210 [pid 5209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5208] <... write resumed>) = 4 [pid 5207] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5209] <... prctl resumed>) = 0 [pid 5207] <... exit_group resumed>) = ? [pid 5209] setpgid(0, 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5208] close(3) = 0 [pid 5208] symlink("/dev/binderfs", "./binderfs" [pid 5209] <... setpgid resumed>) = 0 [pid 5208] <... symlink resumed>) = 0 [pid 5207] +++ exited with 0 +++ [pid 5209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5208] write(1, "executing program\n", 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5207, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5208] <... write resumed>) = 18 executing program [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5209] <... openat resumed>) = 3 [pid 5208] mkdirat(AT_FDCWD, "./config", 0777 [pid 5209] write(3, "1000", 4) = 4 [pid 5208] <... mkdirat resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5209] close(3) = 0 [pid 5208] mount(NULL, "./config", "configfs", 0, NULL [pid 5209] symlink("/dev/binderfs", "./binderfs" [pid 307] umount2("./962", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5208] <... mount resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5209] <... symlink resumed>) = 0 [pid 307] openat(AT_FDCWD, "./962", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5209] write(1, "executing program\n", 18) = 18 [pid 5208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... openat resumed>) = 3 executing program [pid 5209] mkdirat(AT_FDCWD, "./config", 0777 [pid 5208] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] fstat(3 [pid 5208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5208] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(3 [pid 5209] <... mkdirat resumed>) = 0 [pid 5209] mount(NULL, "./config", "configfs", 0, NULL [pid 5208] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5209] <... mount resumed>) = 0 [pid 5208] <... mkdirat resumed>) = 0 [pid 307] umount2("./962/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5208] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5209] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] newfstatat(AT_FDCWD, "./962/binderfs" [pid 5209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5209] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] unlink("./962/binderfs" [pid 5209] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 5208] <... symlinkat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 5209] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5209] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5208] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = 0 [pid 5209] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5209] <... unlinkat resumed>) = 0 [pid 5208] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5209] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] newfstatat(AT_FDCWD, "./962/config" [pid 5208] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5209] <... unlinkat resumed>) = 0 [pid 5208] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5209] exit_group(0 [pid 5208] exit_group(0 [pid 307] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5209] <... exit_group resumed>) = ? [pid 5208] <... exit_group resumed>) = ? [pid 5209] +++ exited with 0 +++ [pid 5208] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5208, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] openat(AT_FDCWD, "./962/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5209, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 5210 attached [pid 307] <... openat resumed>) = 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5210] set_robust_list(0x55556c898760, 24 [pid 308] <... restart_syscall resumed>) = 0 [pid 5210] <... set_robust_list resumed>) = 0 [pid 307] getdents64(4 [pid 5210] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] umount2("./997", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5210] chdir("./1010" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5210] <... chdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./997", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 5210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... openat resumed>) = 3 [pid 5210] <... prctl resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5210] setpgid(0, 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5210] <... setpgid resumed>) = 0 [pid 308] getdents64(3 [pid 307] close(4 [pid 5210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./990", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5210] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./997/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 5210] write(3, "1000", 4 [pid 309] openat(AT_FDCWD, "./990", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5210] <... write resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./997/binderfs" [pid 307] rmdir("./962/config" [pid 5210] close(3 [pid 309] fstat(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./935", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5210] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./997/binderfs" [pid 5210] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5210] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 308] umount2("./997/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5210] write(1, "executing program\n", 18 [pid 309] umount2("./990/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 307] getdents64(3 [pid 306] openat(AT_FDCWD, "./935", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5210] <... write resumed>) = 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./997/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5210] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] newfstatat(AT_FDCWD, "./990/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 5210] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./997/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5210] mount(NULL, "./config", "configfs", 0, NULL [pid 309] unlink("./990/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(3 [pid 5210] <... mount resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./997/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 5210] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./990/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5210] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 308] openat(AT_FDCWD, "./997/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 5210] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./990/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 306] getdents64(3 [pid 5210] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(4 [pid 307] rmdir("./962" [pid 5210] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] newfstatat(AT_FDCWD, "./990/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5210] <... mkdirat resumed>) = 0 [pid 308] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 5210] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./935/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5210] <... symlinkat resumed>) = 0 [pid 309] umount2("./990/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 307] mkdir("./963", 0777 [pid 5210] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5210] <... unlinkat resumed>) = 0 [pid 308] close(4 [pid 5210] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... close resumed>) = 0 [pid 5210] <... unlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./990/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./997/config" [pid 307] <... mkdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./935/binderfs" [pid 5210] exit_group(0 [pid 309] <... openat resumed>) = 4 [pid 308] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5210] <... exit_group resumed>) = ? [pid 309] fstat(4 [pid 308] getdents64(3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5210] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] unlink("./935/binderfs" [pid 309] getdents64(4 [pid 308] close(3) = 0 [pid 308] rmdir("./997") = 0 [pid 308] mkdir("./998", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5210, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5211 attached [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5211 [pid 306] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] close(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 309] rmdir("./990/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5212 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5211] set_robust_list(0x55556c898760, 24 [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./935/config" [pid 309] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 306] umount2("./935/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rmdir("./990"ci2-android-6-1/strace-static-x86_64: Process 5212 attached [pid 5211] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5211] rt_sigprocmask(SIG_SETMASK, [] [pid 5212] set_robust_list(0x55556c898760, 24 [pid 309] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./935/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5212] <... set_robust_list resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] mkdir("./991", 0777 [pid 306] fstat(4 [pid 5211] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5212] rt_sigprocmask(SIG_SETMASK, [] [pid 5211] chdir("./963") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 5211] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5212] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5212] chdir("./998" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(4 [pid 5211] <... prctl resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5211] setpgid(0, 0 [pid 306] close(4 [pid 5211] <... setpgid resumed>) = 0 [pid 5211] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5212] <... chdir resumed>) = 0 [pid 5212] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5212] setpgid(0, 0) = 0 [pid 5211] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 5212] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5213 [pid 306] rmdir("./935/config"ci2-android-6-1/strace-static-x86_64: Process 5213 attached [pid 5212] <... openat resumed>) = 3 [pid 5211] write(3, "1000", 4) = 4 [pid 5211] close(3) = 0 [pid 5212] write(3, "1000", 4 [pid 5211] symlink("/dev/binderfs", "./binderfs" [pid 5212] <... write resumed>) = 4 [pid 5211] <... symlink resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5212] close(3) = 0 [pid 5212] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 executing program [pid 5211] write(1, "executing program\n", 18) = 18 [pid 5211] mkdirat(AT_FDCWD, "./config", 0777 [pid 5212] write(1, "executing program\n", 18 [pid 5213] set_robust_list(0x55556c898760, 24 [pid 5212] <... write resumed>) = 18 [pid 5211] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 executing program [pid 306] getdents64(3 [pid 5212] mkdirat(AT_FDCWD, "./config", 0777 [pid 5213] <... set_robust_list resumed>) = 0 [pid 5212] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5211] mount(NULL, "./config", "configfs", 0, NULL [pid 5212] mount(NULL, "./config", "configfs", 0, NULL [pid 5211] <... mount resumed>) = 0 [pid 306] close(3 [pid 5212] <... mount resumed>) = 0 [pid 5211] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5211] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./1010", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 5212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5211] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5211] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./935" [pid 5212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5211] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5212] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5211] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1010", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5212] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5211] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5212] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5211] <... symlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 5212] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5211] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(3 [pid 306] mkdir("./936", 0777 [pid 5212] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5211] <... unlinkat resumed>) = 0 [pid 5212] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5211] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5212] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5211] <... unlinkat resumed>) = 0 [pid 5212] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5211] exit_group(0 [pid 310] getdents64(3 [pid 306] <... mkdir resumed>) = 0 [pid 5212] exit_group(0 [pid 5211] <... exit_group resumed>) = ? [pid 5213] rt_sigprocmask(SIG_SETMASK, [] [pid 5212] <... exit_group resumed>) = ? [pid 5211] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./1010/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5213] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5212] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5211, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./1010/binderfs" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5213] chdir("./991") = 0 [pid 5213] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5213] setpgid(0, 0) = 0 [pid 5213] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5212, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5214 [pid 310] unlink("./1010/binderfs" [pid 5213] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... unlink resumed>) = 0 [pid 5213] write(3, "1000", 4) = 4 [pid 5213] close(3) = 0 [pid 5213] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5213] write(1, "executing program\n", 18) = 18 [pid 5213] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./1010/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5213] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 5213] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./1010/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5213] <... mount resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] newfstatat(AT_FDCWD, "./1010/config" [pid 5213] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./1010/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5213] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5213] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] openat(AT_FDCWD, "./1010/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5213] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] fstat(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5213] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] getdents64(4 [pid 308] umount2("./998", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5213] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./963", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 5213] <... unlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./998", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./963", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... close resumed>) = 0 [pid 308] fstat(3 [pid 310] rmdir("./1010/config" [pid 307] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5213] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] getdents64(3 [pid 307] fstat(3ci2-android-6-1/strace-static-x86_64: Process 5214 attached [pid 5213] exit_group(0 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3 [pid 308] umount2("./998/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 5214] set_robust_list(0x55556c898760, 24 [pid 5213] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./1010" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] newfstatat(AT_FDCWD, "./998/binderfs" [pid 5214] <... set_robust_list resumed>) = 0 [pid 5213] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./963/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./1011", 0777 [pid 308] unlink("./998/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5214] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5214] chdir("./936" [pid 310] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5213, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./963/binderfs" [pid 5214] <... chdir resumed>) = 0 [pid 5214] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... unlink resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./998/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5214] <... prctl resumed>) = 0 [pid 307] unlink("./963/binderfs" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = 0 [pid 5214] setpgid(0, 0) = 0 [pid 307] <... unlink resumed>) = 0 [pid 5214] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./998/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5214] <... openat resumed>) = 3 [pid 5214] write(3, "1000", 4) = 4 [pid 5214] close(3) = 0 [pid 5214] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 5214] write(1, "executing program\n", 18 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./998/config" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5215 [pid 307] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5214] <... write resumed>) = 18 [pid 5214] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./991", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./998/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./963/config" [pid 309] openat(AT_FDCWD, "./991", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./998/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./963/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] getdents64(3 [pid 308] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 5214] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 309] umount2("./991/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] newfstatat(AT_FDCWD, "./991/binderfs" [pid 307] getdents64(4 [pid 5214] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5214] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] unlink("./991/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] close(4 [pid 5214] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 309] umount2("./991/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./998/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5214] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] close(4 [pid 5214] <... symlinkat resumed>) = 0 [pid 5214] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 309] umount2("./991/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./963/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(3 [pid 5214] <... unlinkat resumed>) = 0 [pid 5214] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] newfstatat(AT_FDCWD, "./991/config" [pid 308] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] rmdir("./998" [pid 307] getdents64(3 [pid 309] umount2("./991/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5214] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 5215 attached [pid 5214] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./991/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./999", 0777 [pid 307] close(3 [pid 5215] set_robust_list(0x55556c898760, 24 [pid 309] <... openat resumed>) = 4 [pid 307] <... close resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5214, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5215] <... set_robust_list resumed>) = 0 [pid 5215] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5215] chdir("./1011" [pid 309] fstat(4 [pid 308] <... mkdir resumed>) = 0 [pid 307] rmdir("./963" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5215] <... chdir resumed>) = 0 [pid 5215] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5215] setpgid(0, 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] mkdir("./964", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5215] <... setpgid resumed>) = 0 [pid 5215] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] getdents64(4 [pid 307] <... mkdir resumed>) = 0 [pid 5215] write(3, "1000", 4) = 4 [pid 5215] close(3) = 0 [pid 5215] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5215] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... restart_syscall resumed>) = 0 [pid 309] close(4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5216 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./991/config" [pid 5215] <... write resumed>) = 18 [pid 5215] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./936", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 5215] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5215] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5217 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 5215] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./936", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./991" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 5215] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5215] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 309] mkdir("./992", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5215] <... unlinkat resumed>) = 0 [pid 5215] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 5215] exit_group(0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./936/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5215] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5215] +++ exited with 0 +++ [pid 306] newfstatat(AT_FDCWD, "./936/binderfs" [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5218 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5215, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 5216 attached [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] unlink("./936/binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5216] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... unlink resumed>) = 0 [pid 306] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5216] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 5216] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5216] chdir("./999" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5216] <... chdir resumed>) = 0 [pid 5216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] newfstatat(AT_FDCWD, "./936/config" [pid 5216] <... prctl resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5216] setpgid(0, 0 [pid 306] umount2("./936/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5216] <... setpgid resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] openat(AT_FDCWD, "./936/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5216] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 5217 attached [pid 306] fstat(4 [pid 5216] write(3, "1000", 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5216] <... write resumed>) = 4 [pid 306] getdents64(4 [pid 5216] close(3) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5216] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(4 [pid 5217] set_robust_list(0x55556c898760, 24 [pid 5216] <... symlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 5216] write(1, "executing program\n", 18) = 18 [pid 306] <... close resumed>) = 0 [pid 310] umount2("./1011", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./936/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5216] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] openat(AT_FDCWD, "./1011", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rmdir resumed>) = 0 [pid 5216] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 3 [pid 306] getdents64(3 [pid 5217] <... set_robust_list resumed>) = 0 [pid 5216] <... mount resumed>) = 0 [pid 310] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(3 [pid 5216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 5216] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] rmdir("./936" [pid 310] umount2("./1011/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5216] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 5218 attached ) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1011/binderfs" [pid 306] mkdir("./937", 0777 [pid 5218] set_robust_list(0x55556c898760, 24 [pid 5216] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5218] <... set_robust_list resumed>) = 0 [pid 5216] <... symlinkat resumed>) = 0 [pid 5218] rt_sigprocmask(SIG_SETMASK, [] [pid 5216] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] unlink("./1011/binderfs" [pid 306] <... mkdir resumed>) = 0 [pid 5218] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5216] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./1011/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5218] chdir("./992" [pid 5216] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5218] <... chdir resumed>) = 0 [pid 5216] <... unlinkat resumed>) = 0 [pid 310] umount2("./1011/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5218] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5216] exit_group(0 [pid 5218] <... prctl resumed>) = 0 [pid 5216] <... exit_group resumed>) = ? [pid 5218] setpgid(0, 0 [pid 5217] rt_sigprocmask(SIG_SETMASK, [] [pid 5216] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./1011/config" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5219 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5216, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./1011/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5218] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./1011/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5218] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 4 [pid 5218] <... openat resumed>) = 3 [pid 5217] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(4 [pid 5218] write(3, "1000", 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 5219 attached [pid 5218] <... write resumed>) = 4 [pid 310] getdents64(4 [pid 5219] set_robust_list(0x55556c898760, 24 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5218] close(3 [pid 310] getdents64(4 [pid 5219] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5218] <... close resumed>) = 0 [pid 310] close(4 [pid 5219] rt_sigprocmask(SIG_SETMASK, [] [pid 5218] symlink("/dev/binderfs", "./binderfs" [pid 310] <... close resumed>) = 0 [pid 5217] chdir("./964" [pid 310] rmdir("./1011/config" [pid 5219] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5219] chdir("./937") = 0 [pid 5219] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5219] setpgid(0, 0 [pid 310] <... rmdir resumed>) = 0 [pid 5219] <... setpgid resumed>) = 0 [pid 310] getdents64(3 [pid 5219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5218] <... symlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5219] <... openat resumed>) = 3 [pid 5218] write(1, "executing program\n", 18 [pid 5217] <... chdir resumed>) = 0 [pid 310] close(3 [pid 5219] write(3, "1000", 4 [pid 5218] <... write resumed>) = 18 [pid 5217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... close resumed>) = 0 [pid 5219] <... write resumed>) = 4 [pid 310] rmdir("./1011" [pid 5218] mkdirat(AT_FDCWD, "./config", 0777 [pid 5217] <... prctl resumed>) = 0 [pid 5219] close(3) = 0 [pid 5219] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 310] mkdir("./1012", 0777 [pid 5219] write(1, "executing program\n", 18) = 18 [pid 5219] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 5219] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./999", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] openat(AT_FDCWD, "./999", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5219] <... mount resumed>) = 0 [pid 5219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5219] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... openat resumed>) = 3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5220 [pid 308] fstat(3 [pid 5219] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5218] <... mkdirat resumed>) = 0 [pid 5217] setpgid(0, 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5218] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(3 [pid 5217] <... setpgid resumed>) = 0 [pid 5219] <... symlinkat resumed>) = 0 [pid 5218] <... mount resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program executing program [pid 5217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] umount2("./999/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5219] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5218] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5219] <... unlinkat resumed>) = 0 [pid 5218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] newfstatat(AT_FDCWD, "./999/binderfs" [pid 5217] <... openat resumed>) = 3 [pid 5218] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5217] write(3, "1000", 4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5218] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5217] <... write resumed>) = 4 [pid 308] unlink("./999/binderfs" [pid 5219] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... unlink resumed>) = 0 [pid 5219] exit_group(0 [pid 308] umount2("./999/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5218] <... mkdirat resumed>) = 0 [pid 5217] close(3 [pid 5218] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5217] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 5219] <... exit_group resumed>) = ? [pid 308] umount2("./999/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5219] +++ exited with 0 +++ [pid 5218] <... symlinkat resumed>) = 0 [pid 5217] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5218] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] newfstatat(AT_FDCWD, "./999/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5219, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./999/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5218] <... unlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5220 attached [pid 5218] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5220] set_robust_list(0x55556c898760, 24 [pid 308] openat(AT_FDCWD, "./999/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5220] <... set_robust_list resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 5220] rt_sigprocmask(SIG_SETMASK, [] [pid 5218] <... unlinkat resumed>) = 0 [pid 308] fstat(4 [pid 5217] <... symlink resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5218] exit_group(0 [pid 5217] write(1, "executing program\n", 18 [pid 308] getdents64(4 [pid 5218] <... exit_group resumed>) = ? [pid 5220] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5220] chdir("./1012" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 5220] <... chdir resumed>) = 0 [pid 5220] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5220] setpgid(0, 0 [pid 308] close(4 [pid 5217] <... write resumed>) = 18 [pid 5220] <... setpgid resumed>) = 0 [pid 5220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... close resumed>) = 0 [pid 5217] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] rmdir("./999/config" [pid 5220] <... openat resumed>) = 3 executing program [pid 308] <... rmdir resumed>) = 0 [pid 5220] write(3, "1000", 4 [pid 308] getdents64(3 [pid 5220] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5220] close(3 [pid 308] close(3 [pid 5220] <... close resumed>) = 0 [pid 5220] symlink("/dev/binderfs", "./binderfs" [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./999" [pid 5220] <... symlink resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 5218] +++ exited with 0 +++ [pid 308] mkdir("./1000", 0777 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5218, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5220] write(1, "executing program\n", 18) = 18 executing program [pid 5220] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5217] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5217] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5220] <... mkdirat resumed>) = 0 [pid 5217] <... mount resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5220] mount(NULL, "./config", "configfs", 0, NULL) = 0 ci2-android-6-1/strace-static-x86_64: Process 5221 attached [pid 5217] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5220] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5217] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5221 [pid 5217] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5220] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5217] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5217] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... restart_syscall resumed>) = 0 [pid 5220] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5220] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) [pid 5217] <... mkdirat resumed>) = 0 [pid 306] umount2("./937", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5221] set_robust_list(0x55556c898760, 24 [pid 5217] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5221] <... set_robust_list resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5220] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] openat(AT_FDCWD, "./937", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5217] <... symlinkat resumed>) = 0 [pid 5220] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5217] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... openat resumed>) = 3 [pid 5221] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(3 [pid 5217] <... unlinkat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5217] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] getdents64(3 [pid 5220] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = -1 ENOENT (No such file or directory) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5220] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] umount2("./937/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5221] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5217] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5220] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5217] exit_group(0 [pid 306] newfstatat(AT_FDCWD, "./937/binderfs" [pid 5221] chdir("./1000" [pid 5217] <... exit_group resumed>) = ? [pid 5220] exit_group(0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5220] <... exit_group resumed>) = ? [pid 306] unlink("./937/binderfs" [pid 5220] +++ exited with 0 +++ [pid 5217] +++ exited with 0 +++ [pid 306] <... unlink resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5220, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5221] <... chdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5217, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5221] <... prctl resumed>) = 0 [pid 306] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5221] setpgid(0, 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5221] <... setpgid resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./937/config" [pid 5221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5221] <... openat resumed>) = 3 [pid 306] umount2("./937/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5221] write(3, "1000", 4) = 4 [pid 5221] close(3) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5221] symlink("/dev/binderfs", "./binderfs" [pid 306] openat(AT_FDCWD, "./937/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5221] <... symlink resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5221] write(1, "executing program\n", 18 [pid 306] getdents64(4 [pid 307] umount2("./964", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5221] <... write resumed>) = 18 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program [pid 5221] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(4 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] openat(AT_FDCWD, "./964", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5221] <... mkdirat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] close(4 [pid 5221] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./1012", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 306] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./1012", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... restart_syscall resumed>) = 0 [pid 306] rmdir("./937/config" [pid 310] <... openat resumed>) = 3 [pid 307] getdents64(3 [pid 5221] <... mount resumed>) = 0 [pid 5221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 5221] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./992", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 307] umount2("./964/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] openat(AT_FDCWD, "./992", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./964/binderfs" [pid 306] close(3 [pid 310] umount2("./1012/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5221] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5221] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 307] unlink("./964/binderfs" [pid 306] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1012/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5221] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 307] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./1012/binderfs" [pid 306] rmdir("./937" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5221] <... symlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 5221] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] umount2("./992/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 5221] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] umount2("./1012/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 306] mkdir("./938", 0777 [pid 5221] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./992/binderfs" [pid 307] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5221] <... exit_group resumed>) = ? [pid 5221] +++ exited with 0 +++ [pid 310] umount2("./1012/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./992/binderfs" [pid 307] newfstatat(AT_FDCWD, "./964/config" [pid 310] newfstatat(AT_FDCWD, "./1012/config" [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5221, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./1012/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./992/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] openat(AT_FDCWD, "./1012/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(4 [pid 307] openat(AT_FDCWD, "./964/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./992/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5222 attached [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 307] <... openat resumed>) = 4 [pid 5222] set_robust_list(0x55556c898760, 24 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5222 [pid 310] rmdir("./1012/config" [pid 309] newfstatat(AT_FDCWD, "./992/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5222] <... set_robust_list resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./992/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5222] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./992/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5222] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./1012" [pid 307] getdents64(4 [pid 5222] chdir("./938" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 310] mkdir("./1013", 0777 [pid 5222] <... chdir resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] fstat(4 [pid 308] umount2("./1000", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] close(4 [pid 5222] <... prctl resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(4 [pid 308] openat(AT_FDCWD, "./1000", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5222] setpgid(0, 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... openat resumed>) = 3 [pid 5222] <... setpgid resumed>) = 0 [pid 5222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5222] write(3, "1000", 4 [pid 309] getdents64(4 [pid 308] fstat(3 [pid 307] rmdir("./964/config"ci2-android-6-1/strace-static-x86_64: Process 5223 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5223 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5222] <... write resumed>) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] close(4 [pid 308] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 5223] set_robust_list(0x55556c898760, 24 [pid 5222] close(3 [pid 309] rmdir("./992/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5222] <... close resumed>) = 0 [pid 5222] symlink("/dev/binderfs", "./binderfs" [pid 5223] <... set_robust_list resumed>) = 0 [pid 5222] <... symlink resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] umount2("./1000/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3 [pid 309] getdents64(3 [pid 5222] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] newfstatat(AT_FDCWD, "./1000/binderfs" [pid 307] rmdir("./964" [pid 309] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5222] <... write resumed>) = 18 executing program [pid 5222] mkdirat(AT_FDCWD, "./config", 0777 [pid 5223] rt_sigprocmask(SIG_SETMASK, [] [pid 5222] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] unlink("./1000/binderfs" [pid 307] <... rmdir resumed>) = 0 [pid 309] rmdir("./992" [pid 5222] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... unlink resumed>) = 0 [pid 5222] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5222] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 5223] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./1000/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] mkdir("./993", 0777 [pid 307] mkdir("./965", 0777 [pid 5222] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = 0 [pid 5222] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] umount2("./1000/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... mkdir resumed>) = 0 [pid 5222] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5222] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5223] chdir("./1013" [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] newfstatat(AT_FDCWD, "./1000/config" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5222] <... unlinkat resumed>) = 0 [pid 5222] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5222] exit_group(0) = ? [pid 5222] +++ exited with 0 +++ [pid 308] umount2("./1000/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5223] <... chdir resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5224 ci2-android-6-1/strace-static-x86_64: Process 5225 attached ci2-android-6-1/strace-static-x86_64: Process 5224 attached [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5222, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5223] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] openat(AT_FDCWD, "./1000/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5225 [pid 5223] <... prctl resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5223] setpgid(0, 0 [pid 308] fstat(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5223] <... setpgid resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 5224] set_robust_list(0x55556c898760, 24) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5224] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(4 [pid 5223] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./938", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./938", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./1000/config" [pid 5224] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 5224] chdir("./993") = 0 [pid 5224] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5224] setpgid(0, 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] fstat(3 [pid 308] getdents64(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 308] close(3 [pid 5224] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5223] <... openat resumed>) = 3 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./938/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./1000" [pid 5223] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5224] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 5223] <... write resumed>) = 4 [pid 306] newfstatat(AT_FDCWD, "./938/binderfs" [pid 5223] close(3 [pid 308] mkdir("./1001", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5224] write(3, "1000", 4) = 4 [pid 5224] close(3) = 0 [pid 5224] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5223] <... close resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 306] unlink("./938/binderfs" [pid 5223] symlink("/dev/binderfs", "./binderfs" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5225] set_robust_list(0x55556c898760, 24 [pid 306] <... unlink resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5225] <... set_robust_list resumed>) = 0 [pid 5225] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 5224] write(1, "executing program\n", 18 [pid 5225] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5224] <... write resumed>) = 18 [pid 5225] chdir("./965" [pid 5224] mkdirat(AT_FDCWD, "./config", 0777 [pid 5225] <... chdir resumed>) = 0 executing program [pid 5225] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5224] <... mkdirat resumed>) = 0 [pid 5223] <... symlink resumed>) = 0 [pid 306] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5223] write(1, "executing program\n", 18 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5226 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] <... prctl resumed>) = 0 [pid 5225] setpgid(0, 0 [pid 5224] mount(NULL, "./config", "configfs", 0, NULL [pid 5225] <... setpgid resumed>) = 0 [pid 5224] <... mount resumed>) = 0 [pid 5223] <... write resumed>) = 18 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./938/config" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 306] umount2("./938/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5223] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5225] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] openat(AT_FDCWD, "./938/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5225] <... openat resumed>) = 3 [pid 5224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5223] <... mkdirat resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 5225] write(3, "1000", 4 [pid 5224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5223] mount(NULL, "./config", "configfs", 0, NULL [pid 306] fstat(4 [pid 5225] <... write resumed>) = 4 [pid 5224] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5223] <... mount resumed>) = 0 [pid 306] getdents64(4 [pid 5223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5225] close(3 [pid 5224] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] getdents64(4 [pid 5223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5225] <... close resumed>) = 0 [pid 5224] <... mkdirat resumed>) = 0 [pid 5223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] close(4 [pid 5225] symlink("/dev/binderfs", "./binderfs" [pid 5224] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... close resumed>) = 0 [pid 5223] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] rmdir("./938/config" [pid 5225] <... symlink resumed>) = 0 [pid 5224] <... symlinkat resumed>) = 0 [pid 5225] write(1, "executing program\n", 18 [pid 5224] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5223] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 executing program [pid 5225] <... write resumed>) = 18 [pid 5224] <... unlinkat resumed>) = 0 [pid 5223] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3 [pid 5225] mkdirat(AT_FDCWD, "./config", 0777 [pid 5224] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5225] <... mkdirat resumed>) = 0 [pid 5224] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 5223] <... symlinkat resumed>) = 0 [pid 306] close(3 [pid 5225] mount(NULL, "./config", "configfs", 0, NULL [pid 5224] exit_group(0 [pid 5223] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... close resumed>) = 0 [pid 5225] <... mount resumed>) = 0 [pid 5224] <... exit_group resumed>) = ? [pid 5223] <... unlinkat resumed>) = 0 [pid 306] rmdir("./938" [pid 5225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5224] +++ exited with 0 +++ [pid 5223] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5226 attached [pid 5225] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5224, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] mkdir("./939", 0777 [pid 5223] <... unlinkat resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5226] set_robust_list(0x55556c898760, 24 [pid 5225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5226] <... set_robust_list resumed>) = 0 [pid 5225] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5226] rt_sigprocmask(SIG_SETMASK, [] [pid 5225] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 5223] exit_group(0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5226] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5225] <... mkdirat resumed>) = 0 [pid 5223] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5226] chdir("./1001" [pid 5225] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5226] <... chdir resumed>) = 0 [pid 5225] <... symlinkat resumed>) = 0 [pid 5226] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5225] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5226] <... prctl resumed>) = 0 [pid 5225] <... unlinkat resumed>) = 0 [pid 5226] setpgid(0, 0 [pid 5225] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5226] <... setpgid resumed>) = 0 [pid 5225] <... unlinkat resumed>) = 0 [pid 5226] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5225] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5227 [pid 5226] <... openat resumed>) = 3 [pid 5225] <... exit_group resumed>) = ? [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 5227 attached [pid 5226] write(3, "1000", 4 [pid 5225] +++ exited with 0 +++ [pid 5223] +++ exited with 0 +++ [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5223, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5225, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5226] <... write resumed>) = 4 [pid 5226] close(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5226] <... close resumed>) = 0 [pid 310] umount2("./1013", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 309] umount2("./993", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./1013", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./993", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./965", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5227] set_robust_list(0x55556c898760, 24 [pid 310] fstat(3 [pid 5226] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] fstat(3 [pid 307] openat(AT_FDCWD, "./965", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 5226] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 307] fstat(3 executing program [pid 310] umount2("./1013/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./993/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./1013/binderfs" [pid 307] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] unlink("./1013/binderfs" [pid 309] newfstatat(AT_FDCWD, "./993/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5226] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./965/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1013/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./993/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] mount(NULL, "./config", "configfs", 0, NULL [pid 307] newfstatat(AT_FDCWD, "./965/binderfs" [pid 5227] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 310] umount2("./1013/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./993/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... mount resumed>) = 0 [pid 5226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1013/config" [pid 307] unlink("./965/binderfs" [pid 5226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./993/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... unlink resumed>) = 0 [pid 5226] <... mkdirat resumed>) = 0 [pid 310] umount2("./1013/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./993/config" [pid 5226] <... symlinkat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1013/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = 0 [pid 5226] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5226] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./993/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5226] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5226] <... unlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./965/config" [pid 5226] exit_group(0 [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./993/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5226] <... exit_group resumed>) = ? [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5227] rt_sigprocmask(SIG_SETMASK, [] [pid 5226] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 309] fstat(4 [pid 307] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5226, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 5227] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] openat(AT_FDCWD, "./965/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5227] chdir("./939" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... openat resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 307] fstat(4 [pid 310] rmdir("./1013/config" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5227] <... chdir resumed>) = 0 [pid 5227] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5227] setpgid(0, 0) = 0 [pid 5227] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 307] getdents64(4 [pid 309] close(4 [pid 310] getdents64(3 [pid 5227] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] close(3 [pid 309] rmdir("./993/config" [pid 307] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 5227] write(3, "1000", 4) = 4 [pid 5227] close(3) = 0 [pid 5227] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] rmdir("./1013" [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5227] write(1, "executing program\n", 18) = 18 executing program [pid 5227] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 307] close(4 [pid 5227] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5227] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5227] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... close resumed>) = 0 [pid 5227] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] mkdir("./1014", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./965/config" [pid 5227] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5227] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... mkdir resumed>) = 0 [pid 5227] <... symlinkat resumed>) = 0 [pid 5227] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./993" [pid 5227] <... unlinkat resumed>) = 0 [pid 5227] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5227] exit_group(0 [pid 307] close(3 [pid 5227] <... exit_group resumed>) = ? [pid 5227] +++ exited with 0 +++ [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5228 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5228 attached [pid 307] rmdir("./965" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5227, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] mkdir("./994", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5228] set_robust_list(0x55556c898760, 24) = 0 [pid 5228] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5228] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5228] chdir("./1014") = 0 [pid 5228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] mkdir("./966", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5228] setpgid(0, 0) = 0 [pid 5228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... mkdir resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5228] <... openat resumed>) = 3 [pid 5228] write(3, "1000", 4) = 4 [pid 5228] close(3) = 0 [pid 5228] symlink("/dev/binderfs", "./binderfs") = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5229 [pid 5228] write(1, "executing program\n", 18) = 18 [pid 5228] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5230 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5228] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5228] <... mount resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5228] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5228] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-6-1/strace-static-x86_64: Process 5230 attached [pid 5230] set_robust_list(0x55556c898760, 24 [pid 5228] <... symlinkat resumed>) = 0 [pid 5228] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5230] <... set_robust_list resumed>) = 0 [pid 5228] <... unlinkat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 5228] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5228] exit_group(0) = ? [pid 308] umount2("./1001", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5230] rt_sigprocmask(SIG_SETMASK, [] [pid 5228] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1001", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5228, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 5229 attached [pid 5229] set_robust_list(0x55556c898760, 24) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 5229] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5229] chdir("./994" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5229] <... chdir resumed>) = 0 [pid 308] umount2("./1001/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] <... prctl resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./1001/binderfs" [pid 5229] setpgid(0, 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./1001/binderfs" [pid 5229] <... setpgid resumed>) = 0 [pid 5229] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... unlink resumed>) = 0 [pid 5229] <... openat resumed>) = 3 [pid 308] umount2("./1001/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] write(3, "1000", 4) = 4 [pid 308] <... umount2 resumed>) = 0 [pid 5229] close(3 [pid 308] umount2("./1001/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5229] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5229] symlink("/dev/binderfs", "./binderfs" [pid 308] newfstatat(AT_FDCWD, "./1001/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./1001/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1001/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5229] <... symlink resumed>) = 0 [pid 5229] write(1, "executing program\n", 18 [pid 308] <... openat resumed>) = 4 executing program [pid 5229] <... write resumed>) = 18 [pid 308] fstat(4 [pid 5230] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5230] chdir("./966" [pid 310] umount2("./1014", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 5229] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./939", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5230] <... chdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5229] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1014", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... openat resumed>) = 3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] fstat(3 [pid 306] openat(AT_FDCWD, "./939", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 5230] <... prctl resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 306] fstat(3 [pid 308] <... close resumed>) = 0 [pid 5230] setpgid(0, 0) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./1001/config" [pid 310] umount2("./1014/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 5230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1014/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./939/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./1014/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5230] write(3, "1000", 4) = 4 [pid 310] <... unlink resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./939/binderfs" [pid 308] close(3 [pid 5230] close(3) = 0 [pid 310] umount2("./1014/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 5229] mount(NULL, "./config", "configfs", 0, NULL [pid 306] unlink("./939/binderfs" [pid 310] <... umount2 resumed>) = 0 [pid 308] rmdir("./1001" [pid 5230] symlink("/dev/binderfs", "./binderfs" [pid 5229] <... mount resumed>) = 0 [pid 310] umount2("./1014/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 5230] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./1014/config" [pid 308] mkdir("./1002", 0777 [pid 5229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 5229] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5229] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] umount2("./1014/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./1014/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./939/config" [pid 310] <... openat resumed>) = 4 [pid 5230] write(1, "executing program\n", 18 [pid 5229] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5230] <... write resumed>) = 18 [pid 5229] <... symlinkat resumed>) = 0 [pid 5230] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 5229] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0ci2-android-6-1/strace-static-x86_64: Process 5231 attached [pid 5230] <... mkdirat resumed>) = 0 [pid 5229] <... unlinkat resumed>) = 0 [pid 310] fstat(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5231 [pid 310] getdents64(4 [pid 306] umount2("./939/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5230] mount(NULL, "./config", "configfs", 0, NULL [pid 5229] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./939/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 4 [pid 310] close(4 [pid 5230] <... mount resumed>) = 0 [pid 5229] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] fstat(4 [pid 310] rmdir("./1014/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5229] exit_group(0 [pid 5230] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5229] <... exit_group resumed>) = ? [pid 310] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 5231] set_robust_list(0x55556c898760, 24 [pid 5230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5229] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 310] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5229, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] close(4 [pid 310] rmdir("./1014" [pid 5230] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... close resumed>) = 0 [pid 5230] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] rmdir("./939/config" [pid 310] mkdir("./1015", 0777 [pid 5230] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5230] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5230] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5230] exit_group(0 [pid 306] <... close resumed>) = 0 [pid 5230] <... exit_group resumed>) = ? [pid 5230] +++ exited with 0 +++ [pid 306] rmdir("./939" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5232 ci2-android-6-1/strace-static-x86_64: Process 5232 attached [pid 5232] set_robust_list(0x55556c898760, 24) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5230, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] mkdir("./940", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5232] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5232] chdir("./1015") = 0 [pid 5232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5232] setpgid(0, 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5232] <... setpgid resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5232] write(3, "1000", 4) = 4 [pid 5232] close(3) = 0 [pid 5232] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5232] write(1, "executing program\n", 18 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5233 [pid 5232] <... write resumed>) = 18 [pid 5232] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./994", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./966", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 309] openat(AT_FDCWD, "./994", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] openat(AT_FDCWD, "./966", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5232] <... mkdirat resumed>) = 0 [pid 5231] <... set_robust_list resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 5232] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] fstat(3 [pid 307] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 307] getdents64(3 [pid 5232] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5232] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5232] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./994/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5232] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./966/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./994/binderfs" [pid 5232] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./994/binderfs" [pid 307] newfstatat(AT_FDCWD, "./966/binderfs" [pid 5232] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5232] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./994/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./966/binderfs" [pid 5232] <... unlinkat resumed>) = 0 [pid 5232] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 307] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./994/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5232] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./994/config" [pid 307] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5232] exit_group(0 [pid 309] umount2("./994/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./966/config" [pid 5232] <... exit_group resumed>) = ? [pid 309] openat(AT_FDCWD, "./994/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(4 [pid 5232] +++ exited with 0 +++ [pid 5231] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] openat(AT_FDCWD, "./966/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5233 attached [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5233] set_robust_list(0x55556c898760, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5232, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 5233] <... set_robust_list resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5231] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] close(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5233] rt_sigprocmask(SIG_SETMASK, [] [pid 307] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 5233] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5231] chdir("./1002" [pid 309] rmdir("./994/config" [pid 307] getdents64(4 [pid 5233] chdir("./940") = 0 [pid 5233] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5233] setpgid(0, 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5231] <... chdir resumed>) = 0 [pid 309] getdents64(3 [pid 307] close(4 [pid 5233] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] close(3 [pid 307] <... close resumed>) = 0 [pid 5233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5231] <... prctl resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./966/config" [pid 5231] setpgid(0, 0 [pid 309] rmdir("./994" [pid 5233] <... openat resumed>) = 3 [pid 5233] write(3, "1000", 4) = 4 [pid 5233] close(3) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5233] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5231] <... setpgid resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 309] mkdir("./995", 0777 [pid 5233] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5233] <... write resumed>) = 18 [pid 5233] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 5231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rmdir("./966" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5233] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... rmdir resumed>) = 0 [pid 5233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5233] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5233] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 307] mkdir("./967", 0777 [pid 5231] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5234 [pid 5233] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5233] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 5231] write(3, "1000", 4 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5231] <... write resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5231] close(3 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5233] exit_group(0) = ? [pid 5233] +++ exited with 0 +++ [pid 5231] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5234 attached [pid 5231] symlink("/dev/binderfs", "./binderfs" [pid 310] umount2("./1015", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5235 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5233, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5234] set_robust_list(0x55556c898760, 24 [pid 310] openat(AT_FDCWD, "./1015", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5234] <... set_robust_list resumed>) = 0 [pid 310] getdents64(3 [pid 5234] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5231] <... symlink resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] umount2("./1015/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5231] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5234] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5234] chdir("./995" [pid 5231] <... write resumed>) = 18 executing program [pid 310] newfstatat(AT_FDCWD, "./1015/binderfs" [pid 5234] <... chdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./940", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./1015/binderfs" [pid 5231] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5234] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... unlink resumed>) = 0 [pid 306] openat(AT_FDCWD, "./940", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./1015/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 5234] setpgid(0, 0 [pid 310] <... umount2 resumed>) = 0 [pid 306] fstat(3 [pid 310] umount2("./1015/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./1015/config" [pid 5234] <... setpgid resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./940/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1015/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./940/binderfs" [pid 5231] <... mkdirat resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1015/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5231] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... openat resumed>) = 4 [pid 306] unlink("./940/binderfs" [pid 310] fstat(4 [pid 5234] <... openat resumed>) = 3 [pid 306] <... unlink resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5231] <... mount resumed>) = 0 [pid 306] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 5234] write(3, "1000", 4) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 310] getdents64(4 [pid 306] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(4 [pid 306] newfstatat(AT_FDCWD, "./940/config" [pid 5231] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] rmdir("./1015/config" [pid 306] umount2("./940/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5235 attached [pid 5234] close(3 [pid 5235] set_robust_list(0x55556c898760, 24 [pid 5234] <... close resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5231] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 306] openat(AT_FDCWD, "./940/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5231] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5235] <... set_robust_list resumed>) = 0 [pid 5234] symlink("/dev/binderfs", "./binderfs" [pid 310] close(3 [pid 306] <... openat resumed>) = 4 [pid 5235] rt_sigprocmask(SIG_SETMASK, [] [pid 5234] <... symlink resumed>) = 0 [pid 5231] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] fstat(4 [pid 5235] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5234] write(1, "executing program\n", 18 [pid 310] rmdir("./1015" [pid 5231] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5235] chdir("./967" [pid 5234] <... write resumed>) = 18 [pid 5235] <... chdir resumed>) = 0 executing program [pid 5234] mkdirat(AT_FDCWD, "./config", 0777 [pid 5235] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5234] <... mkdirat resumed>) = 0 [pid 5231] <... symlinkat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 5231] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] mkdir("./1016", 0777 [pid 5235] <... prctl resumed>) = 0 [pid 5234] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5235] setpgid(0, 0 [pid 5234] <... mount resumed>) = 0 [pid 5235] <... setpgid resumed>) = 0 [pid 5234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5235] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 5231] <... unlinkat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5231] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] close(4 [pid 5235] <... openat resumed>) = 3 [pid 5234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... close resumed>) = 0 [pid 5235] write(3, "1000", 4 [pid 5234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5235] <... write resumed>) = 4 [pid 5234] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5235] close(3 [pid 5234] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5235] <... close resumed>) = 0 [pid 5234] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] rmdir("./940/config" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5236 [pid 5235] symlink("/dev/binderfs", "./binderfs" [pid 5234] <... symlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5235] <... symlink resumed>) = 0 [pid 5234] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 5231] <... unlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5235] write(1, "executing program\n", 18 [pid 5234] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5231] exit_group(0 [pid 306] close(3 [pid 5235] <... write resumed>) = 18 [pid 5234] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... close resumed>) = 0 [pid 5231] <... exit_group resumed>) = ? [pid 306] rmdir("./940" [pid 5235] mkdirat(AT_FDCWD, "./config", 0777 [pid 5234] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5235] <... mkdirat resumed>) = 0 [pid 5234] exit_group(0 [pid 306] <... rmdir resumed>) = 0 [pid 5235] mount(NULL, "./config", "configfs", 0, NULL [pid 5234] <... exit_group resumed>) = ? executing program [pid 306] mkdir("./941", 0777 [pid 5235] <... mount resumed>) = 0 [pid 5234] +++ exited with 0 +++ [pid 5231] +++ exited with 0 +++ [pid 5235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5235] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5234, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5231, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5235] <... mkdirat resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5235] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5235] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5235] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 5235] exit_group(0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5237 [pid 5235] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 5237 attached [pid 5235] +++ exited with 0 +++ [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 5236 attached [pid 309] umount2("./995", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5235, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5236] set_robust_list(0x55556c898760, 24 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./995", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5236] <... set_robust_list resumed>) = 0 [pid 5236] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 3 [pid 5236] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5236] chdir("./1016" [pid 309] fstat(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5236] <... chdir resumed>) = 0 [pid 309] getdents64(3 [pid 5236] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./967", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./995/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5236] setpgid(0, 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./967", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] newfstatat(AT_FDCWD, "./995/binderfs" [pid 307] <... openat resumed>) = 3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(3 [pid 309] unlink("./995/binderfs" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5236] <... setpgid resumed>) = 0 [pid 5236] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 5236] write(3, "1000", 4 [pid 309] umount2("./995/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5236] <... write resumed>) = 4 [pid 307] umount2("./967/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5236] close(3 [pid 309] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./995/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./967/binderfs" [pid 5236] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./995/config" [pid 307] unlink("./967/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5236] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] umount2("./995/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./995/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5236] write(1, "executing program\n", 18 [pid 309] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = 0 [pid 309] fstat(4 [pid 307] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] newfstatat(AT_FDCWD, "./967/config" [pid 5237] set_robust_list(0x55556c898760, 24 [pid 5236] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 309] getdents64(4 [pid 307] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5237] <... set_robust_list resumed>) = 0 [pid 5236] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5237] rt_sigprocmask(SIG_SETMASK, [] [pid 5236] <... mkdirat resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./967/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./995/config" [pid 307] <... openat resumed>) = 4 [pid 5237] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5236] mount(NULL, "./config", "configfs", 0, NULL [pid 5237] chdir("./941" [pid 5236] <... mount resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] fstat(4 [pid 309] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 309] close(3 [pid 5237] <... chdir resumed>) = 0 [pid 5236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 309] rmdir("./995" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5237] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5237] <... prctl resumed>) = 0 [pid 5236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5237] setpgid(0, 0 [pid 5236] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 5237] <... setpgid resumed>) = 0 [pid 5236] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] mkdir("./996", 0777 [pid 307] <... close resumed>) = 0 [pid 5237] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5236] <... mkdirat resumed>) = 0 [pid 5237] <... openat resumed>) = 3 [pid 5236] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... mkdir resumed>) = 0 [pid 307] rmdir("./967/config" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5237] write(3, "1000", 4 [pid 5236] <... symlinkat resumed>) = 0 [pid 5237] <... write resumed>) = 4 [pid 5236] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 5237] close(3 [pid 5236] <... unlinkat resumed>) = 0 [pid 5237] <... close resumed>) = 0 [pid 5236] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5237] symlink("/dev/binderfs", "./binderfs" [pid 5236] <... unlinkat resumed>) = 0 [pid 5237] <... symlink resumed>) = 0 [pid 5236] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5237] write(1, "executing program\n", 18 [pid 5236] <... exit_group resumed>) = ? [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5238 ci2-android-6-1/strace-static-x86_64: Process 5238 attached [pid 5237] <... write resumed>) = 18 executing program [pid 5236] +++ exited with 0 +++ [pid 308] <... restart_syscall resumed>) = 0 [pid 307] close(3 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5236, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5237] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] rmdir("./967" [pid 308] umount2("./1002", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5237] <... mkdirat resumed>) = 0 [pid 310] umount2("./1016", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1002", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./1016", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./968", 0777 [pid 5238] set_robust_list(0x55556c898760, 24 [pid 5237] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... openat resumed>) = 3 [pid 5238] <... set_robust_list resumed>) = 0 [pid 5237] <... mount resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 5238] rt_sigprocmask(SIG_SETMASK, [] [pid 5237] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5238] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5237] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 5238] chdir("./996" [pid 5237] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(3 [pid 308] getdents64(3 [pid 5238] <... chdir resumed>) = 0 [pid 5237] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5238] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5237] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5238] <... prctl resumed>) = 0 [pid 5237] <... mkdirat resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5238] setpgid(0, 0 [pid 5237] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./1002/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] <... setpgid resumed>) = 0 [pid 5237] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5238] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5237] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./1016/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] <... openat resumed>) = 3 [pid 5237] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./1002/binderfs" [pid 5238] write(3, "1000", 4 [pid 5237] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./1016/binderfs" [pid 5238] <... write resumed>) = 4 [pid 5237] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5239 [pid 5238] close(3 [pid 5237] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./1002/binderfs" [pid 5238] <... close resumed>) = 0 [pid 5237] <... exit_group resumed>) = ? [pid 310] unlink("./1016/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5238] symlink("/dev/binderfs", "./binderfs" [pid 5237] +++ exited with 0 +++ [pid 308] <... unlink resumed>) = 0 [pid 5238] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] umount2("./1002/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./1016/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] write(1, "executing program\n", 18 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5237, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = 0 [pid 5238] <... write resumed>) = 18 executing program [pid 5238] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 308] umount2("./1002/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./941", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] <... mkdirat resumed>) = 0 [pid 310] umount2("./1016/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] mount(NULL, "./config", "configfs", 0, NULL [pid 308] newfstatat(AT_FDCWD, "./1002/config" [pid 306] openat(AT_FDCWD, "./941", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./1016/config" [pid 306] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./1002/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1016/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1002/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./1016/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 4 [pid 306] getdents64(3 [pid 310] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 5238] <... mount resumed>) = 0 [pid 310] fstat(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 306] umount2("./941/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5238] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] newfstatat(AT_FDCWD, "./941/binderfs" [pid 5238] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] getdents64(4 [pid 310] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] unlink("./941/binderfs" [pid 308] close(4 [pid 310] close(4 [pid 5238] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5238] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rmdir("./1016/config" [pid 308] rmdir("./1002/config" [pid 306] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5238] <... symlinkat resumed>) = 0 [pid 5238] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 5238] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 310] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 308] close(3 [pid 306] newfstatat(AT_FDCWD, "./941/config" [pid 310] rmdir("./1016" [pid 308] <... close resumed>) = 0 [pid 5238] exit_group(0 [pid 308] rmdir("./1002" [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5238] <... exit_group resumed>) = ? [pid 5238] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./941/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./1017", 0777 [pid 308] mkdir("./1003", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5238, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] openat(AT_FDCWD, "./941/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5239 attached [pid 5239] set_robust_list(0x55556c898760, 24) = 0 [pid 5239] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... mkdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5239] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... openat resumed>) = 4 [pid 5239] chdir("./968") = 0 [pid 5239] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5239] setpgid(0, 0 [pid 310] <... mkdir resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] fstat(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4 [pid 5239] <... setpgid resumed>) = 0 [pid 5239] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5239] write(3, "1000", 4) = 4 [pid 5239] close(3) = 0 [pid 5239] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5239] write(1, "executing program\n", 18) = 18 executing program [pid 5239] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5240 [pid 306] getdents64(4 [pid 5239] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5239] <... mount resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5241 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./996", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] openat(AT_FDCWD, "./996", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 5239] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 3 [pid 306] rmdir("./941/config" [pid 309] fstat(3 [pid 5239] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5239] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5239] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5239] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(3 [pid 5239] <... symlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 309] umount2("./996/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 309] newfstatat(AT_FDCWD, "./996/binderfs" [pid 5239] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rmdir("./941" [pid 309] unlink("./996/binderfs" [pid 5239] <... unlinkat resumed>) = 0 [pid 5239] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 306] mkdir("./942", 0777 [pid 309] umount2("./996/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5239] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 5241 attached [pid 5239] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] umount2("./996/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5239, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] newfstatat(AT_FDCWD, "./996/config" [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 5240 attached [pid 5240] set_robust_list(0x55556c898760, 24) = 0 [pid 5240] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5240] chdir("./1017") = 0 [pid 5240] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5240] setpgid(0, 0 [pid 309] umount2("./996/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5242 ci2-android-6-1/strace-static-x86_64: Process 5242 attached [pid 5240] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] openat(AT_FDCWD, "./996/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... restart_syscall resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5240] <... openat resumed>) = 3 [pid 309] <... openat resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5240] write(3, "1000", 4) = 4 [pid 309] fstat(4 [pid 5240] close(3) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5240] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(4 [pid 307] umount2("./968", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... symlink resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] openat(AT_FDCWD, "./968", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5240] write(1, "executing program\n", 18 [pid 307] <... openat resumed>) = 3 [pid 309] close(4 [pid 307] fstat(3 [pid 5240] <... write resumed>) = 18 [pid 309] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./996/config" [pid 307] getdents64(3 executing program [pid 5240] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] getdents64(3 [pid 307] umount2("./968/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(3 [pid 307] newfstatat(AT_FDCWD, "./968/binderfs" [pid 5240] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./996" [pid 307] unlink("./968/binderfs" [pid 5240] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5240] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5240] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 5240] <... mkdirat resumed>) = 0 [pid 309] mkdir("./997", 0777 [pid 307] <... unlink resumed>) = 0 [pid 5240] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5240] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5240] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] umount2("./968/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5240] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./968/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5240] <... exit_group resumed>) = ? [pid 5240] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5243 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5240, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./968/config" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./968/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5242] set_robust_list(0x55556c898760, 24 [pid 5241] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5242] <... set_robust_list resumed>) = 0 [pid 5241] <... set_robust_list resumed>) = 0 [pid 307] openat(AT_FDCWD, "./968/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5242] rt_sigprocmask(SIG_SETMASK, [] [pid 5241] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 4 [pid 5242] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5241] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(4 [pid 5242] chdir("./942" [pid 5241] chdir("./1003" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5242] <... chdir resumed>) = 0 [pid 5241] <... chdir resumed>) = 0 [pid 307] getdents64(4 [pid 5242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5241] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5242] <... prctl resumed>) = 0 [pid 5241] <... prctl resumed>) = 0 [pid 307] getdents64(4 [pid 5242] setpgid(0, 0 [pid 5241] setpgid(0, 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5242] <... setpgid resumed>) = 0 [pid 5241] <... setpgid resumed>) = 0 [pid 307] close(4 [pid 5242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5241] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5243 attached [pid 5242] <... openat resumed>) = 3 [pid 5241] <... openat resumed>) = 3 [pid 307] rmdir("./968/config" [pid 5242] write(3, "1000", 4 [pid 5241] write(3, "1000", 4 [pid 5242] <... write resumed>) = 4 [pid 5241] <... write resumed>) = 4 [pid 5242] close(3 [pid 5241] close(3 [pid 5242] <... close resumed>) = 0 [pid 5241] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5242] symlink("/dev/binderfs", "./binderfs" [pid 5241] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(3 [pid 5243] set_robust_list(0x55556c898760, 24 [pid 5242] <... symlink resumed>) = 0 [pid 5241] <... symlink resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5242] write(1, "executing program\n", 18 [pid 5241] write(1, "executing program\n", 18 [pid 307] close(3 [pid 310] umount2("./1017", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 5242] <... write resumed>) = 18 [pid 5241] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./968" [pid 310] openat(AT_FDCWD, "./1017", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5242] mkdirat(AT_FDCWD, "./config", 0777 executing program executing program [pid 5241] mkdirat(AT_FDCWD, "./config", 0777 [pid 5243] <... set_robust_list resumed>) = 0 [pid 5242] <... mkdirat resumed>) = 0 [pid 5241] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] <... rmdir resumed>) = 0 [pid 310] fstat(3 [pid 307] mkdir("./969", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5242] mount(NULL, "./config", "configfs", 0, NULL [pid 5241] mount(NULL, "./config", "configfs", 0, NULL [pid 5242] <... mount resumed>) = 0 [pid 5241] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... mkdir resumed>) = 0 [pid 5242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] umount2("./1017/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] newfstatat(AT_FDCWD, "./1017/binderfs" [pid 5242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5241] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5241] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5242] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5241] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5242] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5241] <... mkdirat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./1017/binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5244 [pid 5242] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5241] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5242] <... symlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5242] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5241] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./1017/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5242] <... unlinkat resumed>) = 0 [pid 5241] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5242] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5241] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... umount2 resumed>) = 0 [pid 5242] <... unlinkat resumed>) = 0 [pid 5241] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./1017/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5242] exit_group(0 [pid 5241] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5242] <... exit_group resumed>) = ? [pid 5241] exit_group(0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5243] rt_sigprocmask(SIG_SETMASK, [] [pid 5242] +++ exited with 0 +++ [pid 5241] <... exit_group resumed>) = ? [pid 5243] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5241] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./1017/config" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5242, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5241, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./1017/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5244 attached [pid 310] openat(AT_FDCWD, "./1017/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5244] set_robust_list(0x55556c898760, 24 [pid 310] <... openat resumed>) = 4 [pid 306] umount2("./942", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 5244] <... set_robust_list resumed>) = 0 [pid 5244] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 306] openat(AT_FDCWD, "./942", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5244] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 3 [pid 310] getdents64(4 [pid 5244] chdir("./969" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 310] close(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 310] rmdir("./1017/config" [pid 5244] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5244] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5244] setpgid(0, 0) = 0 [pid 5244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 306] umount2("./942/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5244] <... openat resumed>) = 3 [pid 310] close(3 [pid 306] newfstatat(AT_FDCWD, "./942/binderfs" [pid 5244] write(3, "1000", 4) = 4 [pid 5244] close(3 [pid 310] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./1017" [pid 5244] <... close resumed>) = 0 [pid 306] unlink("./942/binderfs" [pid 5244] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5244] write(1, "executing program\n", 18 [pid 306] <... unlink resumed>) = 0 [pid 310] mkdir("./1018", 0777 [pid 306] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5244] <... write resumed>) = 18 [pid 5244] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 executing program [pid 306] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./942/config" [pid 5244] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5244] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5245 [pid 5244] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./942/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] openat(AT_FDCWD, "./942/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5244] <... symlinkat resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 5244] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] fstat(4 [pid 5244] <... unlinkat resumed>) = 0 [pid 5244] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5244] <... unlinkat resumed>) = 0 [pid 306] getdents64(4 [pid 5244] exit_group(0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5244] <... exit_group resumed>) = ? [pid 306] getdents64(4 [pid 5244] +++ exited with 0 +++ [pid 5243] chdir("./997" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5244, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./942/config"ci2-android-6-1/strace-static-x86_64: Process 5245 attached [pid 5245] set_robust_list(0x55556c898760, 24) = 0 [pid 5245] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3 [pid 5243] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5245] chdir("./1018" [pid 5243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] close(3 [pid 5245] <... chdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5243] <... prctl resumed>) = 0 [pid 306] rmdir("./942" [pid 5243] setpgid(0, 0 [pid 5245] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5245] setpgid(0, 0) = 0 [pid 5245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5243] <... setpgid resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./943", 0777 [pid 5245] write(3, "1000", 4) = 4 [pid 5245] close(3) = 0 [pid 5245] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] umount2("./1003", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 5243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] openat(AT_FDCWD, "./1003", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5243] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 5245] write(1, "executing program\n", 18) = 18 [pid 5245] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5243] write(3, "1000", 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 5245] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(3 [pid 5243] <... write resumed>) = 4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5246 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5245] <... mount resumed>) = 0 [pid 5243] close(3 [pid 308] umount2("./1003/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5243] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./1003/binderfs" [pid 5245] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5243] symlink("/dev/binderfs", "./binderfs" [pid 308] unlink("./1003/binderfs" [pid 5245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5245] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... unlink resumed>) = 0 [pid 5245] <... mkdirat resumed>) = 0 [pid 5243] <... symlink resumed>) = 0 [pid 308] umount2("./1003/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5245] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5243] write(1, "executing program\n", 18 [pid 308] <... umount2 resumed>) = 0 executing program [pid 5245] <... symlinkat resumed>) = 0 [pid 5243] <... write resumed>) = 18 [pid 308] umount2("./1003/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5245] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./1003/config" [pid 5245] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5243] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] umount2("./969", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./1003/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./969", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./1003/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5245] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... openat resumed>) = 3 [pid 5245] <... unlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] fstat(3 [pid 308] fstat(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3 [pid 308] getdents64(4 [pid 5245] exit_group(0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5243] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./969/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5243] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./969/binderfs" [pid 308] close(4 [pid 5245] <... exit_group resumed>) = ? [pid 5245] +++ exited with 0 +++ [pid 5243] <... mount resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 5246 attached [pid 5243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] rmdir("./1003/config" [pid 307] unlink("./969/binderfs" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5245, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5246] set_robust_list(0x55556c898760, 24) = 0 [pid 5246] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... rmdir resumed>) = 0 [pid 5246] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5246] chdir("./943" [pid 5243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] getdents64(3 [pid 307] <... unlink resumed>) = 0 [pid 5246] <... chdir resumed>) = 0 [pid 5243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] umount2("./969/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 5246] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 308] <... close resumed>) = 0 [pid 5243] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = 0 [pid 308] rmdir("./1003" [pid 5243] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] umount2("./969/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5246] setpgid(0, 0) = 0 [pid 5246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./1004", 0777 [pid 307] newfstatat(AT_FDCWD, "./969/config" [pid 5246] write(3, "1000", 4) = 4 [pid 5246] close(3) = 0 [pid 5246] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5243] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5243] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./969/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5246] write(1, "executing program\n", 18 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] openat(AT_FDCWD, "./969/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5246] <... write resumed>) = 18 [pid 5246] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... openat resumed>) = 4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5247 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] fstat(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5246] mount(NULL, "./config", "configfs", 0, NULL [pid 307] getdents64(4 [pid 310] umount2("./1018", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5246] <... mount resumed>) = 0 executing program [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5243] <... symlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5243] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./1018", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 5246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5243] <... unlinkat resumed>) = 0 [pid 310] fstat(3 [pid 5243] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] close(4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5246] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 307] rmdir("./969/config" [pid 5246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5246] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5246] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 5247 attached [pid 5247] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./1018/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 5247] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 5247] rt_sigprocmask(SIG_SETMASK, [] [pid 310] newfstatat(AT_FDCWD, "./1018/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5243] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(3 [pid 310] unlink("./1018/binderfs" [pid 5246] <... mkdirat resumed>) = 0 [pid 5243] exit_group(0 [pid 307] <... close resumed>) = 0 [pid 5246] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5246] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5246] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5243] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 307] rmdir("./969" [pid 310] umount2("./1018/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5246] exit_group(0) = ? [pid 5246] +++ exited with 0 +++ [pid 5243] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 310] umount2("./1018/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./970", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5243, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5246, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5247] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5247] chdir("./1004") = 0 [pid 5247] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1018/config" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] umount2("./1018/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 5247] setpgid(0, 0) = 0 [pid 5247] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5247] write(3, "1000", 4 [pid 310] openat(AT_FDCWD, "./1018/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5248 [pid 5247] <... write resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 306] umount2("./943", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 306] openat(AT_FDCWD, "./943", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5247] close(3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... openat resumed>) = 3 [pid 5247] <... close resumed>) = 0 [pid 310] getdents64(4 [pid 306] fstat(3 executing program [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(4 [pid 5247] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(3 [pid 5247] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] rmdir("./1018/config" [pid 306] umount2("./943/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5247] write(1, "executing program\n", 18) = 18 [pid 5247] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./943/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] close(3 [pid 306] unlink("./943/binderfs" [pid 5247] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5247] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] rmdir("./1018" [pid 306] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5247] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5247] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 5247] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] mkdir("./1019", 0777 [pid 306] <... umount2 resumed>) = 0 [pid 5247] <... mkdirat resumed>) = 0 [pid 5247] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5247] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] newfstatat(AT_FDCWD, "./943/config" [pid 5247] <... unlinkat resumed>) = 0 [pid 5247] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5247] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 5249 attached [pid 5247] +++ exited with 0 +++ [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ci2-android-6-1/strace-static-x86_64: Process 5248 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5249 [pid 306] umount2("./943/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5248] set_robust_list(0x55556c898760, 24 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5247, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] openat(AT_FDCWD, "./943/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5248] <... set_robust_list resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 5248] rt_sigprocmask(SIG_SETMASK, [] [pid 306] fstat(4 [pid 5248] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5248] chdir("./970" [pid 306] getdents64(4 [pid 5248] <... chdir resumed>) = 0 [pid 5248] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5248] setpgid(0, 0) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5248] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] getdents64(4 [pid 5249] set_robust_list(0x55556c898760, 24 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5248] <... openat resumed>) = 3 [pid 306] close(4 [pid 5249] <... set_robust_list resumed>) = 0 [pid 5248] write(3, "1000", 4 [pid 306] <... close resumed>) = 0 [pid 5249] rt_sigprocmask(SIG_SETMASK, [] [pid 5248] <... write resumed>) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 5249] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5248] close(3 [pid 306] rmdir("./943/config" [pid 5248] <... close resumed>) = 0 [pid 5248] symlink("/dev/binderfs", "./binderfs" [pid 306] <... rmdir resumed>) = 0 [pid 5249] chdir("./1019" [pid 5248] <... symlink resumed>) = 0 [pid 306] getdents64(3 [pid 5248] write(1, "executing program\n", 18 [pid 309] umount2("./997", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5249] <... chdir resumed>) = 0 [pid 308] umount2("./1004", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5249] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] close(3 [pid 5249] <... prctl resumed>) = 0 [pid 309] openat(AT_FDCWD, "./997", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./1004", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5249] setpgid(0, 0 [pid 306] <... close resumed>) = 0 [pid 5249] <... setpgid resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 306] rmdir("./943" [pid 309] fstat(3 [pid 308] fstat(3 [pid 5248] <... write resumed>) = 18 executing program [pid 5249] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5249] <... openat resumed>) = 3 [pid 5248] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 5249] write(3, "1000", 4 [pid 306] mkdir("./944", 0777 [pid 5249] <... write resumed>) = 4 [pid 5248] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... mkdir resumed>) = 0 [pid 5249] close(3 [pid 309] umount2("./997/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./1004/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5249] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5249] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./997/binderfs" [pid 308] newfstatat(AT_FDCWD, "./1004/binderfs" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5248] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] unlink("./997/binderfs" [pid 308] unlink("./1004/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5250 attached executing program [pid 5249] <... symlink resumed>) = 0 [pid 5248] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5250 [pid 5249] write(1, "executing program\n", 18 [pid 309] umount2("./997/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./1004/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5249] <... write resumed>) = 18 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5250] set_robust_list(0x55556c898760, 24 [pid 5248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 5250] <... set_robust_list resumed>) = 0 [pid 5249] mkdirat(AT_FDCWD, "./config", 0777 [pid 5248] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5250] rt_sigprocmask(SIG_SETMASK, [] [pid 5248] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./997/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./1004/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5250] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5249] <... mkdirat resumed>) = 0 [pid 5248] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5250] chdir("./944" [pid 5249] mount(NULL, "./config", "configfs", 0, NULL [pid 5248] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5250] <... chdir resumed>) = 0 [pid 5249] <... mount resumed>) = 0 [pid 5248] <... symlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./997/config" [pid 5250] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5249] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5248] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] newfstatat(AT_FDCWD, "./1004/config" [pid 5250] <... prctl resumed>) = 0 [pid 5249] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5248] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5250] setpgid(0, 0 [pid 5249] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5248] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5250] <... setpgid resumed>) = 0 [pid 5249] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5248] <... unlinkat resumed>) = 0 [pid 309] umount2("./997/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5250] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5249] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5248] exit_group(0 [pid 308] umount2("./1004/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5250] <... openat resumed>) = 3 [pid 5249] <... mkdirat resumed>) = 0 [pid 5248] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5250] write(3, "1000", 4 [pid 5249] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5248] +++ exited with 0 +++ [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5250] <... write resumed>) = 4 [pid 309] openat(AT_FDCWD, "./997/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./1004/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 4 [pid 308] <... openat resumed>) = 4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5248, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5250] close(3 [pid 5249] <... symlinkat resumed>) = 0 [pid 309] fstat(4 [pid 308] fstat(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5250] <... close resumed>) = 0 [pid 5249] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5250] symlink("/dev/binderfs", "./binderfs" [pid 5249] <... unlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 5249] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5249] <... unlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5250] <... symlink resumed>) = 0 [pid 5249] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5250] write(1, "executing program\n", 18 [pid 5249] <... exit_group resumed>) = ? [pid 308] getdents64(4 [pid 5250] <... write resumed>) = 18 executing program [pid 309] close(4) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./997/config" [pid 308] close(4 [pid 5250] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 5250] <... mkdirat resumed>) = 0 [pid 5249] +++ exited with 0 +++ [pid 309] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 5250] mount(NULL, "./config", "configfs", 0, NULL [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5249, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./1004/config" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5250] <... mount resumed>) = 0 [pid 309] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 5250] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... close resumed>) = 0 [pid 308] getdents64(3 [pid 5250] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] rmdir("./997" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5250] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5250] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] close(3 [pid 5250] <... mkdirat resumed>) = 0 [pid 309] mkdir("./998", 0777 [pid 308] <... close resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5250] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] rmdir("./1004" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5250] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... rmdir resumed>) = 0 [pid 5250] <... unlinkat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] mkdir("./1005", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./970", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5250] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5250] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 5251 attached [pid 5250] +++ exited with 0 +++ [pid 310] <... restart_syscall resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] openat(AT_FDCWD, "./970", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5251] set_robust_list(0x55556c898760, 24 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5251 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... openat resumed>) = 3 [pid 5251] <... set_robust_list resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5250, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] umount2("./1019", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5251] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 5252 attached , NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5252] set_robust_list(0x55556c898760, 24 [pid 310] openat(AT_FDCWD, "./1019", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5252 [pid 307] getdents64(3 [pid 5252] <... set_robust_list resumed>) = 0 [pid 5251] chdir("./998" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5251] <... chdir resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5252] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5251] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] fstat(3 [pid 307] umount2("./970/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5251] <... prctl resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5252] chdir("./1005" [pid 5251] setpgid(0, 0 [pid 307] newfstatat(AT_FDCWD, "./970/binderfs" [pid 5252] <... chdir resumed>) = 0 [pid 5251] <... setpgid resumed>) = 0 [pid 310] getdents64(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5251] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5252] <... prctl resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] unlink("./970/binderfs" [pid 310] umount2("./1019/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5252] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 [pid 5251] <... openat resumed>) = 3 [pid 310] newfstatat(AT_FDCWD, "./1019/binderfs" [pid 5251] write(3, "1000", 4 [pid 307] umount2("./970/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5251] <... write resumed>) = 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5252] <... setpgid resumed>) = 0 [pid 5251] close(3 [pid 310] unlink("./1019/binderfs" [pid 307] <... umount2 resumed>) = 0 [pid 5252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5251] <... close resumed>) = 0 [pid 5252] <... openat resumed>) = 3 [pid 5251] symlink("/dev/binderfs", "./binderfs" [pid 310] <... unlink resumed>) = 0 [pid 307] umount2("./970/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5252] write(3, "1000", 4 [pid 310] umount2("./1019/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5252] <... write resumed>) = 4 executing program [pid 5251] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./970/config" [pid 310] umount2("./1019/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5251] write(1, "executing program\n", 18 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5251] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./970/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5252] close(3 [pid 5251] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] newfstatat(AT_FDCWD, "./1019/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5252] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] openat(AT_FDCWD, "./970/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./1019/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 310] openat(AT_FDCWD, "./1019/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5252] symlink("/dev/binderfs", "./binderfs" [pid 310] <... openat resumed>) = 4 [pid 307] getdents64(4 [pid 5252] <... symlink resumed>) = 0 [pid 5251] <... mkdirat resumed>) = 0 [pid 310] fstat(4 [pid 5252] write(1, "executing program\n", 18 [pid 5251] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5252] <... write resumed>) = 18 [pid 5251] <... mount resumed>) = 0 [pid 310] getdents64(4 executing program [pid 307] getdents64(4 [pid 5252] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5251] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(4 [pid 307] close(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 5251] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] close(4 [pid 5251] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rmdir("./970/config" [pid 5251] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 5252] <... mkdirat resumed>) = 0 [pid 5251] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rmdir("./1019/config" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5252] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 307] getdents64(3 [pid 5252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] umount2("./944", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5252] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5251] <... mkdirat resumed>) = 0 [pid 307] close(3 [pid 5252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] close(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5252] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5251] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... close resumed>) = 0 [pid 5252] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... close resumed>) = 0 [pid 306] openat(AT_FDCWD, "./944", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rmdir("./970" [pid 5252] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5251] <... symlinkat resumed>) = 0 [pid 5252] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... openat resumed>) = 3 [pid 5252] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5251] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rmdir("./1019" [pid 307] <... rmdir resumed>) = 0 [pid 5252] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] fstat(3 [pid 5252] <... unlinkat resumed>) = 0 [pid 5252] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5251] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... rmdir resumed>) = 0 [pid 307] mkdir("./971", 0777 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5252] <... unlinkat resumed>) = 0 [pid 5251] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] mkdir("./1020", 0777 [pid 5252] exit_group(0) = ? [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(3 [pid 5252] +++ exited with 0 +++ [pid 5251] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5251] exit_group(0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5252, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] umount2("./944/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5251] <... exit_group resumed>) = ? [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5253 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5254 [pid 306] newfstatat(AT_FDCWD, "./944/binderfs" [pid 5251] +++ exited with 0 +++ [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 5253 attached [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5253] set_robust_list(0x55556c898760, 24 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5251, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5253] <... set_robust_list resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] unlink("./944/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5254 attached ) = 0 [pid 5253] rt_sigprocmask(SIG_SETMASK, [] [pid 306] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5253] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 5253] chdir("./1020" [pid 306] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5253] <... chdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] newfstatat(AT_FDCWD, "./944/config" [pid 5253] <... prctl resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5253] setpgid(0, 0 [pid 306] umount2("./944/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5253] <... setpgid resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] openat(AT_FDCWD, "./944/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5253] <... openat resumed>) = 3 [pid 306] fstat(4 [pid 5253] write(3, "1000", 4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5253] <... write resumed>) = 4 [pid 306] getdents64(4 [pid 5253] close(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5253] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 5253] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4) = 0 [pid 5253] <... symlink resumed>) = 0 [pid 306] rmdir("./944/config" [pid 5253] write(1, "executing program\n", 18 [pid 5254] set_robust_list(0x55556c898760, 24 [pid 306] <... rmdir resumed>) = 0 [pid 5253] <... write resumed>) = 18 [pid 306] getdents64(3 [pid 5253] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 306] close(3) = 0 [pid 306] rmdir("./944" [pid 5254] <... set_robust_list resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 308] umount2("./1005", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./945", 0777 [pid 5253] <... mkdirat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1005", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5253] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... openat resumed>) = 3 [pid 306] <... mkdir resumed>) = 0 [pid 5253] <... mount resumed>) = 0 [pid 308] fstat(3 [pid 5253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] umount2("./998", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5253] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 5253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] openat(AT_FDCWD, "./998", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5253] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 308] umount2("./1005/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5253] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./1005/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./1005/binderfs" [pid 309] getdents64(3 [pid 308] <... unlink resumed>) = 0 [pid 5253] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./1005/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5255 ci2-android-6-1/strace-static-x86_64: Process 5255 attached [pid 5253] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./998/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 5253] <... symlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./1005/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5255] set_robust_list(0x55556c898760, 24 [pid 5254] rt_sigprocmask(SIG_SETMASK, [] [pid 5253] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] newfstatat(AT_FDCWD, "./998/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5255] <... set_robust_list resumed>) = 0 [pid 5254] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5253] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./1005/config" [pid 5255] rt_sigprocmask(SIG_SETMASK, [] [pid 5254] chdir("./971" [pid 5253] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] unlink("./998/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5255] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5254] <... chdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./1005/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5255] chdir("./945" [pid 5254] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5253] <... unlinkat resumed>) = 0 [pid 309] umount2("./998/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5255] <... chdir resumed>) = 0 [pid 5254] <... prctl resumed>) = 0 [pid 5253] exit_group(0 [pid 309] <... umount2 resumed>) = 0 [pid 308] openat(AT_FDCWD, "./1005/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5254] setpgid(0, 0 [pid 5253] <... exit_group resumed>) = ? [pid 309] umount2("./998/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 5255] <... prctl resumed>) = 0 [pid 5254] <... setpgid resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(4 [pid 5255] setpgid(0, 0 [pid 5254] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5253] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./998/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5255] <... setpgid resumed>) = 0 [pid 5254] <... openat resumed>) = 3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5253, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 5255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5254] write(3, "1000", 4 [pid 309] umount2("./998/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5254] <... write resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 5255] <... openat resumed>) = 3 [pid 5254] close(3 [pid 309] openat(AT_FDCWD, "./998/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5255] write(3, "1000", 4 [pid 5254] <... close resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] close(4 [pid 5255] <... write resumed>) = 4 [pid 5254] symlink("/dev/binderfs", "./binderfs" [pid 309] fstat(4 [pid 308] <... close resumed>) = 0 [pid 5255] close(3 [pid 5254] <... symlink resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./1005/config" [pid 5255] <... close resumed>) = 0 [pid 5254] write(1, "executing program\n", 18 [pid 309] getdents64(4 [pid 308] <... rmdir resumed>) = 0 executing program [pid 5255] symlink("/dev/binderfs", "./binderfs" [pid 5254] <... write resumed>) = 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(3 [pid 5255] <... symlink resumed>) = 0 [pid 5254] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5255] write(1, "executing program\n", 18 [pid 5254] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 5255] <... write resumed>) = 18 [pid 5254] mount(NULL, "./config", "configfs", 0, NULL [pid 309] close(4 [pid 308] <... close resumed>) = 0 [pid 5255] mkdirat(AT_FDCWD, "./config", 0777 [pid 5254] <... mount resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./1005" [pid 5255] <... mkdirat resumed>) = 0 [pid 5254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rmdir("./998/config" [pid 308] <... rmdir resumed>) = 0 [pid 5255] mount(NULL, "./config", "configfs", 0, NULL [pid 5254] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] mkdir("./1006", 0777 [pid 5255] <... mount resumed>) = 0 [pid 5254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 5255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5254] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5254] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5254] <... mkdirat resumed>) = 0 [pid 309] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5256 attached [pid 5255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5254] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... close resumed>) = 0 [pid 5256] set_robust_list(0x55556c898760, 24 [pid 5255] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5254] <... symlinkat resumed>) = 0 [pid 309] rmdir("./998" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5256 [pid 5256] <... set_robust_list resumed>) = 0 [pid 5255] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5254] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5255] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5254] <... unlinkat resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5256] rt_sigprocmask(SIG_SETMASK, [] [pid 5255] <... symlinkat resumed>) = 0 [pid 5254] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] mkdir("./999", 0777 [pid 5256] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5255] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5254] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 5254] exit_group(0) = ? [pid 5256] chdir("./1006" [pid 5255] <... unlinkat resumed>) = 0 [pid 5254] +++ exited with 0 +++ [pid 309] <... mkdir resumed>) = 0 [pid 5256] <... chdir resumed>) = 0 [pid 5255] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5254, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5256] <... prctl resumed>) = 0 [pid 5255] <... unlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5256] setpgid(0, 0 [pid 5255] exit_group(0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5255] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 5257 attached [pid 5256] <... setpgid resumed>) = 0 [pid 5255] +++ exited with 0 +++ [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5257 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] umount2("./971", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5257] set_robust_list(0x55556c898760, 24 [pid 5256] <... openat resumed>) = 3 [pid 310] umount2("./1020", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5255, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5257] <... set_robust_list resumed>) = 0 [pid 5256] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./971", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5257] rt_sigprocmask(SIG_SETMASK, [] [pid 5256] <... write resumed>) = 4 [pid 310] openat(AT_FDCWD, "./1020", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... openat resumed>) = 3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5257] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5256] close(3 [pid 310] <... openat resumed>) = 3 [pid 307] fstat(3 [pid 5257] chdir("./999" [pid 5256] <... close resumed>) = 0 [pid 310] fstat(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5257] <... chdir resumed>) = 0 [pid 5256] symlink("/dev/binderfs", "./binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./971/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] getdents64(3 [pid 307] newfstatat(AT_FDCWD, "./971/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5256] <... symlink resumed>) = 0 [pid 310] umount2("./1020/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] unlink("./971/binderfs" [pid 5257] <... prctl resumed>) = 0 [pid 5256] write(1, "executing program\n", 18 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... unlink resumed>) = 0 executing program [pid 5257] setpgid(0, 0 [pid 5256] <... write resumed>) = 18 [pid 310] newfstatat(AT_FDCWD, "./1020/binderfs" [pid 307] umount2("./971/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5257] <... setpgid resumed>) = 0 [pid 5256] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 310] unlink("./1020/binderfs" [pid 307] umount2("./971/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5256] <... mkdirat resumed>) = 0 [pid 310] umount2("./1020/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./971/config" [pid 5257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5256] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5256] <... mount resumed>) = 0 [pid 310] umount2("./1020/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./971/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5257] <... openat resumed>) = 3 [pid 5256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5257] write(3, "1000", 4 [pid 5256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./1020/config" [pid 307] openat(AT_FDCWD, "./971/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5257] <... write resumed>) = 4 [pid 5256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... openat resumed>) = 4 [pid 5257] close(3 [pid 5256] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./1020/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(4 [pid 5257] <... close resumed>) = 0 [pid 5256] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] openat(AT_FDCWD, "./1020/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] getdents64(4 [pid 5257] symlink("/dev/binderfs", "./binderfs" [pid 5256] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5256] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(4 [pid 307] getdents64(4 [pid 5257] <... symlink resumed>) = 0 [pid 5256] <... symlinkat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5257] write(1, "executing program\n", 18 [pid 5256] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] getdents64(4 executing program [pid 307] close(4) = 0 [pid 5256] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] rmdir("./971/config" [pid 5257] <... write resumed>) = 18 [pid 5256] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(4 [pid 307] <... rmdir resumed>) = 0 [pid 5256] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 5257] mkdirat(AT_FDCWD, "./config", 0777 [pid 5256] exit_group(0 [pid 310] close(4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5256] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 307] close(3 [pid 310] rmdir("./1020/config" [pid 307] <... close resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] rmdir("./971" [pid 310] <... rmdir resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5256] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 307] mkdir("./972", 0777 [pid 5257] <... mkdirat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5256, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... mkdir resumed>) = 0 [pid 5257] mount(NULL, "./config", "configfs", 0, NULL [pid 310] close(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5257] <... mount resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./945", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rmdir("./1020" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5258 attached [pid 5257] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5258] set_robust_list(0x55556c898760, 24 [pid 5257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] mkdir("./1021", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5258 [pid 5258] <... set_robust_list resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] openat(AT_FDCWD, "./945", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5257] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5257] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 3 [pid 5258] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] fstat(3 [pid 5258] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5258] chdir("./972") = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5257] <... mkdirat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5259 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5259 [pid 306] getdents64(3 [pid 5257] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5259] set_robust_list(0x55556c898760, 24 [pid 5257] <... symlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5259] <... set_robust_list resumed>) = 0 [pid 5257] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./945/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5258] <... prctl resumed>) = 0 [pid 5257] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5257] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5259] rt_sigprocmask(SIG_SETMASK, [] [pid 306] newfstatat(AT_FDCWD, "./945/binderfs" [pid 5258] setpgid(0, 0 [pid 5257] <... unlinkat resumed>) = 0 [pid 5259] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5259] chdir("./1021" [pid 5258] <... setpgid resumed>) = 0 [pid 5257] exit_group(0 [pid 306] unlink("./945/binderfs" [pid 5257] <... exit_group resumed>) = ? [pid 5258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... unlink resumed>) = 0 [pid 5258] <... openat resumed>) = 3 [pid 5258] write(3, "1000", 4 [pid 5259] <... chdir resumed>) = 0 [pid 5258] <... write resumed>) = 4 [pid 5257] +++ exited with 0 +++ [pid 306] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5259] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5258] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5257, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... umount2 resumed>) = 0 [pid 5259] setpgid(0, 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5259] <... setpgid resumed>) = 0 [pid 306] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5258] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5259] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5258] symlink("/dev/binderfs", "./binderfs" [pid 306] newfstatat(AT_FDCWD, "./945/config" [pid 5259] <... openat resumed>) = 3 [pid 5258] <... symlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5259] write(3, "1000", 4 [pid 306] umount2("./945/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5259] <... write resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5259] close(3 [pid 306] openat(AT_FDCWD, "./945/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5259] <... close resumed>) = 0 [pid 5258] write(1, "executing program\n", 18 [pid 306] <... openat resumed>) = 4 [pid 5259] symlink("/dev/binderfs", "./binderfs" [pid 306] fstat(4 [pid 5258] <... write resumed>) = 18 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5259] <... symlink resumed>) = 0 executing program [pid 5259] write(1, "executing program\n", 18 [pid 5258] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] getdents64(4 [pid 5259] <... write resumed>) = 18 executing program [pid 5259] mkdirat(AT_FDCWD, "./config", 0777 [pid 5258] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5258] mount(NULL, "./config", "configfs", 0, NULL [pid 306] getdents64(4 [pid 5259] <... mkdirat resumed>) = 0 [pid 5258] <... mount resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5259] mount(NULL, "./config", "configfs", 0, NULL [pid 5258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] close(4 [pid 5259] <... mount resumed>) = 0 [pid 5258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5259] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] <... close resumed>) = 0 [pid 5259] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5258] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./999", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./1006", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5259] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5258] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./945/config" [pid 5259] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5258] <... mkdirat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./999", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./1006", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5258] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... openat resumed>) = 3 [pid 5259] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5258] <... symlinkat resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 306] <... rmdir resumed>) = 0 [pid 5259] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5258] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5259] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5258] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 306] getdents64(3 [pid 5259] <... symlinkat resumed>) = 0 [pid 5258] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5259] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5258] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./1006/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5259] <... unlinkat resumed>) = 0 [pid 5258] exit_group(0 [pid 309] umount2("./999/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5259] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5258] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./1006/binderfs" [pid 306] close(3 [pid 5259] <... unlinkat resumed>) = 0 [pid 5258] +++ exited with 0 +++ [pid 309] newfstatat(AT_FDCWD, "./999/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5259] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./1006/binderfs" [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5258, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 5259] <... exit_group resumed>) = ? [pid 309] unlink("./999/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./1006/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rmdir("./945" [pid 309] umount2("./999/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./1006/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./1006/config" [pid 309] umount2("./999/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] mkdir("./946", 0777 [pid 5259] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./1006/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1006/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5259, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./999/config" [pid 308] fstat(4 [pid 306] <... mkdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./999/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] openat(AT_FDCWD, "./999/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] fstat(4 [pid 308] close(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 308] rmdir("./1006/config") = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(3ci2-android-6-1/strace-static-x86_64: Process 5260 attached [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5260] set_robust_list(0x55556c898760, 24 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5260 [pid 5260] <... set_robust_list resumed>) = 0 [pid 309] close(4 [pid 308] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./1006" [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5260] rt_sigprocmask(SIG_SETMASK, [] [pid 309] rmdir("./999/config" [pid 308] <... rmdir resumed>) = 0 [pid 5260] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] mkdir("./1007", 0777 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5260] chdir("./946" [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5260] <... chdir resumed>) = 0 [pid 309] getdents64(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5260] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5260] <... prctl resumed>) = 0 [pid 310] umount2("./1021", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./972", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5261 attached [pid 5260] setpgid(0, 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5261] set_robust_list(0x55556c898760, 24 [pid 5260] <... setpgid resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1021", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./999" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5261 [pid 307] openat(AT_FDCWD, "./972", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 3 [pid 5261] <... set_robust_list resumed>) = 0 [pid 5260] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(3 [pid 5260] <... openat resumed>) = 3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./1000", 0777 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 307] getdents64(3 [pid 5260] write(3, "1000", 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... mkdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5261] rt_sigprocmask(SIG_SETMASK, [] [pid 5260] <... write resumed>) = 4 [pid 310] umount2("./1021/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] umount2("./972/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5261] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5260] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5261] chdir("./1007" [pid 5260] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1021/binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] newfstatat(AT_FDCWD, "./972/binderfs" [pid 5260] symlink("/dev/binderfs", "./binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./972/binderfs" [pid 310] unlink("./1021/binderfs" [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./972/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5261] <... chdir resumed>) = 0 [pid 5260] <... symlink resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5262 [pid 307] <... umount2 resumed>) = 0 executing program [pid 5261] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5260] write(1, "executing program\n", 18 [pid 310] umount2("./1021/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./972/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5261] <... prctl resumed>) = 0 [pid 5260] <... write resumed>) = 18 [pid 310] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5261] setpgid(0, 0 [pid 5260] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./1021/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./972/config" [pid 5261] <... setpgid resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5260] <... mkdirat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1021/config" [pid 307] umount2("./972/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5261] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5260] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5260] <... mount resumed>) = 0 [pid 310] umount2("./1021/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./972/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5261] <... openat resumed>) = 3 [pid 5260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 5261] write(3, "1000", 4 [pid 5260] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] openat(AT_FDCWD, "./1021/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(4 [pid 5261] <... write resumed>) = 4 [pid 5260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... openat resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5261] close(3 [pid 5260] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] fstat(4 [pid 307] getdents64(4 [pid 5261] <... close resumed>) = 0 [pid 5260] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 307] getdents64(4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5260] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 5261] symlink("/dev/binderfs", "./binderfs" [pid 307] close(4 [pid 5260] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 5261] <... symlink resumed>) = 0 [pid 5260] <... symlinkat resumed>) = 0 [pid 310] close(4 [pid 307] rmdir("./972/config" [pid 5261] write(1, "executing program\n", 18 [pid 5260] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... close resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5261] <... write resumed>) = 18 [pid 5260] <... unlinkat resumed>) = 0 [pid 310] rmdir("./1021/config" executing program [pid 307] getdents64(3 [pid 5260] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 5260] <... unlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 307] rmdir("./972" [pid 5261] mkdirat(AT_FDCWD, "./config", 0777 [pid 5260] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5262 attached [pid 310] close(3 [pid 307] mkdir("./973", 0777 [pid 5262] set_robust_list(0x55556c898760, 24 [pid 5261] <... mkdirat resumed>) = 0 [pid 5260] <... exit_group resumed>) = ? [pid 310] <... close resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 5262] <... set_robust_list resumed>) = 0 [pid 310] rmdir("./1021" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5262] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5262] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5263 attached [pid 5262] chdir("./1000" [pid 5261] mount(NULL, "./config", "configfs", 0, NULL [pid 5260] +++ exited with 0 +++ [pid 310] mkdir("./1022", 0777 [pid 5263] set_robust_list(0x55556c898760, 24 [pid 5262] <... chdir resumed>) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5263 [pid 5262] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5261] <... mount resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5263] <... set_robust_list resumed>) = 0 [pid 5262] <... prctl resumed>) = 0 [pid 5261] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5263] rt_sigprocmask(SIG_SETMASK, [] [pid 5262] setpgid(0, 0 [pid 5261] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5260, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5263] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5262] <... setpgid resumed>) = 0 [pid 5261] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5262] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5261] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 5264 attached [pid 5263] chdir("./973" [pid 5261] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5264 [pid 5264] set_robust_list(0x55556c898760, 24 [pid 5263] <... chdir resumed>) = 0 [pid 5262] <... openat resumed>) = 3 [pid 5261] <... mkdirat resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5264] <... set_robust_list resumed>) = 0 [pid 5263] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5261] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5263] <... prctl resumed>) = 0 [pid 5263] setpgid(0, 0 [pid 5264] rt_sigprocmask(SIG_SETMASK, [] [pid 5262] write(3, "1000", 4 [pid 5261] <... symlinkat resumed>) = 0 [pid 5264] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5263] <... setpgid resumed>) = 0 [pid 5261] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5264] chdir("./1022" [pid 5263] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5262] <... write resumed>) = 4 [pid 5261] <... unlinkat resumed>) = 0 [pid 5264] <... chdir resumed>) = 0 [pid 5261] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5262] close(3 [pid 5261] <... unlinkat resumed>) = 0 [pid 5264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5263] <... openat resumed>) = 3 [pid 5262] <... close resumed>) = 0 [pid 5263] write(3, "1000", 4 [pid 5261] exit_group(0 [pid 5264] <... prctl resumed>) = 0 [pid 5263] <... write resumed>) = 4 [pid 5264] setpgid(0, 0 [pid 5261] <... exit_group resumed>) = ? [pid 5262] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5264] <... setpgid resumed>) = 0 [pid 5263] close(3 [pid 5261] +++ exited with 0 +++ [pid 5262] write(1, "executing program\n", 18 [pid 5264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5263] <... close resumed>) = 0 [pid 5262] <... write resumed>) = 18 executing program [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5261, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5264] <... openat resumed>) = 3 [pid 5263] symlink("/dev/binderfs", "./binderfs" [pid 5262] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5264] write(3, "1000", 4 [pid 5263] <... symlink resumed>) = 0 [pid 5262] <... mkdirat resumed>) = 0 [pid 5263] write(1, "executing program\n", 18 [pid 5264] <... write resumed>) = 4 executing program [pid 5264] close(3 [pid 5263] <... write resumed>) = 18 [pid 5262] mount(NULL, "./config", "configfs", 0, NULL [pid 5264] <... close resumed>) = 0 [pid 5263] mkdirat(AT_FDCWD, "./config", 0777 [pid 5262] <... mount resumed>) = 0 [pid 5264] symlink("/dev/binderfs", "./binderfs" [pid 5262] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5263] <... mkdirat resumed>) = 0 [pid 5262] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5264] <... symlink resumed>) = 0 [pid 5263] mount(NULL, "./config", "configfs", 0, NULL [pid 5262] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5262] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5264] write(1, "executing program\n", 18 [pid 5263] <... mount resumed>) = 0 [pid 5262] <... mkdirat resumed>) = 0 executing program [pid 5264] <... write resumed>) = 18 [pid 5263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5262] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5264] mkdirat(AT_FDCWD, "./config", 0777 [pid 5263] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5262] <... symlinkat resumed>) = 0 [pid 5263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5262] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5263] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5262] <... unlinkat resumed>) = 0 [pid 5263] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5262] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5264] <... mkdirat resumed>) = 0 [pid 5263] <... mkdirat resumed>) = 0 [pid 5262] exit_group(0 [pid 5264] mount(NULL, "./config", "configfs", 0, NULL [pid 5263] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5262] <... exit_group resumed>) = ? [pid 5264] <... mount resumed>) = 0 [pid 5263] <... symlinkat resumed>) = 0 [pid 5262] +++ exited with 0 +++ [pid 5264] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5263] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5264] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5262, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5264] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5263] <... unlinkat resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5263] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5264] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5264] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5263] <... unlinkat resumed>) = 0 [pid 5264] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... restart_syscall resumed>) = 0 [pid 5263] exit_group(0) = ? [pid 5264] <... symlinkat resumed>) = 0 [pid 5264] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./946", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5264] <... unlinkat resumed>) = 0 [pid 5263] +++ exited with 0 +++ [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5264] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5263, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5264] <... unlinkat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] openat(AT_FDCWD, "./946", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5264] exit_group(0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5264] <... exit_group resumed>) = ? [pid 306] <... openat resumed>) = 3 [pid 5264] +++ exited with 0 +++ [pid 308] umount2("./1007", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] umount2("./973", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] fstat(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5264, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] openat(AT_FDCWD, "./1007", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./973", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] fstat(3 [pid 307] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(3 [pid 306] getdents64(3 [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./1022", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./1007/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] openat(AT_FDCWD, "./1022", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./973/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./946/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./1007/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] fstat(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./973/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./1000", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./1007/binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] getdents64(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... unlink resumed>) = 0 [pid 307] unlink("./973/binderfs" [pid 306] newfstatat(AT_FDCWD, "./946/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] openat(AT_FDCWD, "./1000", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./1007/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] umount2("./1022/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./973/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./946/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 308] umount2("./1007/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./973/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./1007/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./1022/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./973/config" [pid 306] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 308] umount2("./1007/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] unlink("./1022/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./973/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] openat(AT_FDCWD, "./1007/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./1000/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./973/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = 0 [pid 310] umount2("./1022/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(4 [pid 307] <... openat resumed>) = 4 [pid 306] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(4 [pid 310] <... umount2 resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./1000/binderfs" [pid 308] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./1022/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./946/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./1000/binderfs" [pid 308] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] newfstatat(AT_FDCWD, "./1022/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] umount2("./1022/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./1000/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] close(4 [pid 306] umount2("./946/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = 0 [pid 308] rmdir("./1007/config" [pid 307] <... close resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1022/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./1000/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./973/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 307] <... rmdir resumed>) = 0 [pid 310] fstat(4 [pid 309] newfstatat(AT_FDCWD, "./1000/config" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 306] openat(AT_FDCWD, "./946/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 307] close(3 [pid 306] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] umount2("./1000/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./1007" [pid 307] <... close resumed>) = 0 [pid 306] fstat(4 [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rmdir resumed>) = 0 [pid 307] rmdir("./973" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] openat(AT_FDCWD, "./1000/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] mkdir("./1008", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 310] close(4 [pid 309] <... openat resumed>) = 4 [pid 308] <... mkdir resumed>) = 0 [pid 307] mkdir("./974", 0777 [pid 306] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 309] fstat(4 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 310] rmdir("./1022/config" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 5265 attached [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5265 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5266 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5266 attached [pid 5266] set_robust_list(0x55556c898760, 24) = 0 [pid 5266] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 5266] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5266] chdir("./974" [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 5266] <... chdir resumed>) = 0 [pid 5266] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5266] setpgid(0, 0) = 0 [pid 5266] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5265] set_robust_list(0x55556c898760, 24 [pid 310] <... close resumed>) = 0 [pid 309] close(4 [pid 306] <... close resumed>) = 0 [pid 5266] write(3, "1000", 4) = 4 [pid 5266] close(3) = 0 [pid 5266] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5265] <... set_robust_list resumed>) = 0 [pid 310] rmdir("./1022" [pid 309] <... close resumed>) = 0 [pid 306] rmdir("./946/config" [pid 5266] write(1, "executing program\n", 18) = 18 executing program [pid 5266] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] rmdir("./1000/config" [pid 306] <... rmdir resumed>) = 0 [pid 5266] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 310] mkdir("./1023", 0777 [pid 306] getdents64(3 [pid 5266] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5266] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] getdents64(3 [pid 306] close(3 [pid 5266] <... symlinkat resumed>) = 0 [pid 5266] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5266] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 5266] exit_group(0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] close(3 [pid 306] rmdir("./946" [pid 5266] <... exit_group resumed>) = ? [pid 5266] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5265] rt_sigprocmask(SIG_SETMASK, [] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5266, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5265] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./1000" [pid 306] mkdir("./947", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5267 [pid 310] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5267 attached [pid 5267] set_robust_list(0x55556c898760, 24 [pid 5265] chdir("./1008" [pid 5267] <... set_robust_list resumed>) = 0 [pid 5267] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5267] chdir("./1023") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 5267] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5267] setpgid(0, 0) = 0 [pid 5267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... mkdir resumed>) = 0 [pid 5265] <... chdir resumed>) = 0 [pid 5267] <... openat resumed>) = 3 [pid 5265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] mkdir("./1001", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5267] write(3, "1000", 4) = 4 [pid 5267] close(3 [pid 5265] <... prctl resumed>) = 0 [pid 5267] <... close resumed>) = 0 [pid 5267] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5265] setpgid(0, 0 [pid 309] <... mkdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5267] write(1, "executing program\n", 18) = 18 executing program [pid 5267] mkdirat(AT_FDCWD, "./config", 0777 [pid 5265] <... setpgid resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5267] <... mkdirat resumed>) = 0 [pid 5265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5267] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5265] <... openat resumed>) = 3 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5267] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5265] write(3, "1000", 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5268 ci2-android-6-1/strace-static-x86_64: Process 5268 attached [pid 5268] set_robust_list(0x55556c898760, 24) = 0 [pid 5265] <... write resumed>) = 4 [pid 5268] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5268] chdir("./947") = 0 [pid 5268] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5268] setpgid(0, 0) = 0 [pid 5268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5265] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5268] <... openat resumed>) = 3 [pid 5265] <... close resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5269 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5267] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5268] write(3, "1000", 4 [pid 5265] symlink("/dev/binderfs", "./binderfs" [pid 5268] <... write resumed>) = 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5268] close(3) = 0 [pid 5268] symlink("/dev/binderfs", "./binderfs" [pid 5265] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5268] <... symlink resumed>) = 0 [pid 5265] write(1, "executing program\n", 18 [pid 307] <... restart_syscall resumed>) = 0 [pid 5265] <... write resumed>) = 18 executing program [pid 307] umount2("./974", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./974", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5265] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./974/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./974/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./974/binderfs" [pid 5265] <... mkdirat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 307] umount2("./974/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5265] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./974/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./974/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./974/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./974/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 5265] <... mount resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./974/config" [pid 5267] <... symlinkat resumed>) = 0 [pid 5265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./974") = 0 [pid 307] mkdir("./975", 0777 [pid 5267] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5265] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 5265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5265] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5268] write(1, "executing program\n", 18 [pid 5265] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5270 attached [pid 5268] <... write resumed>) = 18 [pid 5267] <... unlinkat resumed>) = 0 [pid 5265] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5268] mkdirat(AT_FDCWD, "./config", 0777 [pid 5265] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5270 [pid 5270] set_robust_list(0x55556c898760, 24 [pid 5268] <... mkdirat resumed>) = 0 [pid 5267] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5265] <... symlinkat resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5268] mount(NULL, "./config", "configfs", 0, NULL [pid 5265] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5268] <... mount resumed>) = 0 [pid 5267] <... unlinkat resumed>) = -1 EBUSY (Device or resource busy) [pid 5265] <... unlinkat resumed>) = 0 [pid 5268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5265] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5267] exit_group(0 [pid 5268] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5265] <... unlinkat resumed>) = 0 [pid 5267] <... exit_group resumed>) = ? [pid 5268] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5265] exit_group(0 [pid 5268] <... mkdirat resumed>) = 0 [pid 5265] <... exit_group resumed>) = ? [pid 5268] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5268] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5268] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5265] +++ exited with 0 +++ [pid 5268] <... unlinkat resumed>) = 0 [pid 5268] exit_group(0 [pid 5267] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5265, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5268] <... exit_group resumed>) = ? [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5267, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5270] <... set_robust_list resumed>) = 0 [pid 5268] +++ exited with 0 +++ [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5269 attached executing program [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5268, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5269] set_robust_list(0x55556c898760, 24 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5269] <... set_robust_list resumed>) = 0 [pid 5269] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5269] chdir("./1001") = 0 [pid 5270] rt_sigprocmask(SIG_SETMASK, [] [pid 5269] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5269] setpgid(0, 0) = 0 [pid 5269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5270] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5269] <... openat resumed>) = 3 [pid 5269] write(3, "1000", 4) = 4 [pid 5269] close(3) = 0 [pid 5269] symlink("/dev/binderfs", "./binderfs" [pid 5270] chdir("./975" [pid 5269] <... symlink resumed>) = 0 [pid 5269] write(1, "executing program\n", 18) = 18 [pid 5269] mkdirat(AT_FDCWD, "./config", 0777 [pid 5270] <... chdir resumed>) = 0 [pid 5270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5269] <... mkdirat resumed>) = 0 [pid 5269] mount(NULL, "./config", "configfs", 0, NULL [pid 5270] <... prctl resumed>) = 0 [pid 5269] <... mount resumed>) = 0 [pid 5269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5270] setpgid(0, 0 [pid 5269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5270] <... setpgid resumed>) = 0 [pid 5269] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5269] <... mkdirat resumed>) = 0 [pid 5269] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5269] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5269] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 306] umount2("./947", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5269] exit_group(0 [pid 308] umount2("./1008", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./947", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5269] <... exit_group resumed>) = ? [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5270] <... openat resumed>) = 3 [pid 5269] +++ exited with 0 +++ [pid 308] openat(AT_FDCWD, "./1008", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 5270] write(3, "1000", 4 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5269, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 5270] <... write resumed>) = 4 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(3 [pid 5270] close(3 [pid 308] umount2("./1008/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5270] <... close resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./1008/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./947/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./1008/binderfs" [pid 5270] symlink("/dev/binderfs", "./binderfs" [pid 308] <... unlink resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./1008/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./947/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 5270] <... symlink resumed>) = 0 [pid 308] umount2("./1008/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5270] write(1, "executing program\n", 18 [pid 308] newfstatat(AT_FDCWD, "./1008/config" [pid 306] unlink("./947/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./1008/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1008/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5270] <... write resumed>) = 18 [pid 308] <... openat resumed>) = 4 [pid 306] <... unlink resumed>) = 0 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 306] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5270] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = 0 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5270] <... mkdirat resumed>) = 0 [pid 308] rmdir("./1008/config" [pid 306] newfstatat(AT_FDCWD, "./947/config" [pid 5270] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... rmdir resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5270] <... mount resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./1008" [pid 306] umount2("./947/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 308] mkdir("./1009", 0777 [pid 5270] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... mkdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] openat(AT_FDCWD, "./947/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5271 attached [pid 5270] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 5270] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5271 [pid 306] fstat(4 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5271] set_robust_list(0x55556c898760, 24 [pid 5270] <... mkdirat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./1023", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5270] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5271] <... set_robust_list resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] openat(AT_FDCWD, "./1023", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5271] rt_sigprocmask(SIG_SETMASK, [] [pid 5270] <... symlinkat resumed>) = 0 [pid 306] getdents64(4 [pid 310] <... openat resumed>) = 3 [pid 5270] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] close(4 [pid 5271] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5270] <... unlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5270] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 306] rmdir("./947/config" [pid 5271] chdir("./1009" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5271] <... chdir resumed>) = 0 [pid 5271] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5271] setpgid(0, 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] umount2("./1023/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5271] <... setpgid resumed>) = 0 [pid 5271] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5270] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 5271] <... openat resumed>) = 3 [pid 5270] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./1023/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5271] write(3, "1000", 4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] close(3 [pid 5270] <... exit_group resumed>) = ? [pid 310] unlink("./1023/binderfs" [pid 306] <... close resumed>) = 0 [pid 5271] <... write resumed>) = 4 [pid 5271] close(3) = 0 [pid 5271] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5271] write(1, "executing program\n", 18) = 18 [pid 5270] +++ exited with 0 +++ [pid 5271] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5270, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 5271] <... mkdirat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./947" [pid 310] umount2("./1023/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5271] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5271] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 306] mkdir("./948", 0777 [pid 310] umount2("./1023/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5271] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5271] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5271] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... mkdir resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1023/config" [pid 5271] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5271] <... symlinkat resumed>) = 0 [pid 310] umount2("./1023/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5271] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] openat(AT_FDCWD, "./1023/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5271] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5271] exit_group(0) = ? [pid 5271] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 4 [pid 309] <... restart_syscall resumed>) = 0 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5272 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5271, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(4 [pid 309] umount2("./1001", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 5272 attached [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4 [pid 309] openat(AT_FDCWD, "./1001", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] close(4 [pid 309] fstat(3 [pid 5272] set_robust_list(0x55556c898760, 24 [pid 310] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./1023/config" [pid 309] getdents64(3 [pid 5272] <... set_robust_list resumed>) = 0 [pid 5272] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5272] chdir("./948" [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] umount2("./1001/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(3 [pid 5272] <... chdir resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... close resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./1001/binderfs" [pid 310] rmdir("./1023" [pid 5272] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5272] <... prctl resumed>) = 0 [pid 5272] setpgid(0, 0) = 0 [pid 5272] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... rmdir resumed>) = 0 [pid 309] unlink("./1001/binderfs" [pid 310] mkdir("./1024", 0777 [pid 5272] write(3, "1000", 4) = 4 [pid 309] <... unlink resumed>) = 0 [pid 5272] close(3) = 0 [pid 5272] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5272] write(1, "executing program\n", 18) = 18 [pid 310] <... mkdir resumed>) = 0 executing program [pid 309] umount2("./1001/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5272] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... umount2 resumed>) = 0 [pid 5272] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./1001/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5272] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] newfstatat(AT_FDCWD, "./1001/config" [pid 5272] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5272] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5272] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] umount2("./1001/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5273 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5272] <... symlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./1001/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5273 attached [pid 5272] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5272] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5272] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4) = 0 [pid 5272] <... unlinkat resumed>) = 0 [pid 309] rmdir("./1001/config" [pid 5273] set_robust_list(0x55556c898760, 24 [pid 5272] exit_group(0 [pid 309] <... rmdir resumed>) = 0 [pid 5273] <... set_robust_list resumed>) = 0 [pid 5272] <... exit_group resumed>) = ? [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./1001" [pid 307] umount2("./975", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./975", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] mkdir("./1002", 0777 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] umount2("./975/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./975/binderfs" [pid 309] <... mkdir resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] unlink("./975/binderfs" [pid 5272] +++ exited with 0 +++ [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] umount2("./1009", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./975/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5273] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./1009", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5272, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./975/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./975/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... openat resumed>) = 3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5274 [pid 307] umount2("./975/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] fstat(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./975/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(4 [pid 308] umount2("./1009/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 308] newfstatat(AT_FDCWD, "./1009/binderfs" [pid 307] rmdir("./975/config" [pid 5273] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 308] unlink("./1009/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 308] <... unlink resumed>) = 0 [pid 307] rmdir("./975" [pid 5273] chdir("./1024" [pid 308] umount2("./1009/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./976", 0777 [pid 5273] <... chdir resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./1009/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5273] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] newfstatat(AT_FDCWD, "./1009/config"ci2-android-6-1/strace-static-x86_64: Process 5275 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5275 [pid 308] umount2("./1009/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./1009/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5274 attached ) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5274] set_robust_list(0x55556c898760, 24 [pid 308] getdents64(4 [pid 5274] <... set_robust_list resumed>) = 0 [pid 5274] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 5274] chdir("./1002" [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./1009/config" [pid 5274] <... chdir resumed>) = 0 [pid 5274] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5274] setpgid(0, 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5274] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] close(3 [pid 306] umount2("./948", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] rmdir("./1009" [pid 306] openat(AT_FDCWD, "./948", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5274] <... openat resumed>) = 3 [pid 5274] write(3, "1000", 4 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 308] mkdir("./1010", 0777 [pid 306] fstat(3 [pid 5274] <... write resumed>) = 4 [pid 5274] close(3 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5274] <... close resumed>) = 0 [pid 5274] symlink("/dev/binderfs", "./binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5273] <... prctl resumed>) = 0 [pid 306] umount2("./948/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5274] <... symlink resumed>) = 0 [pid 5274] write(1, "executing program\n", 18) = 18 [pid 5274] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5276 [pid 5273] setpgid(0, 0 [pid 306] newfstatat(AT_FDCWD, "./948/binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5273] <... setpgid resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./948/binderfs") = 0 executing program [pid 5273] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 306] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./948/config" [pid 5273] <... openat resumed>) = 3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5273] write(3, "1000", 4 [pid 5275] set_robust_list(0x55556c898760, 24 [pid 306] umount2("./948/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5275] <... set_robust_list resumed>) = 0 [pid 5273] <... write resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5273] close(3 [pid 306] openat(AT_FDCWD, "./948/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5273] <... close resumed>) = 0 [pid 5275] rt_sigprocmask(SIG_SETMASK, [] [pid 5273] symlink("/dev/binderfs", "./binderfs" [pid 306] <... openat resumed>) = 4 [pid 5275] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] fstat(4 [pid 5274] <... mkdirat resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5274] mount(NULL, "./config", "configfs", 0, NULL [pid 5275] chdir("./976" [pid 5274] <... mount resumed>) = 0 [pid 5273] <... symlink resumed>) = 0 [pid 306] getdents64(4 [pid 5273] write(1, "executing program\n", 18 [pid 5274] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5275] <... chdir resumed>) = 0 [pid 5273] <... write resumed>) = 18 [pid 306] getdents64(4 [pid 5274] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 5273] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] close(4 [pid 5275] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... close resumed>) = 0 [pid 306] rmdir("./948/config" [pid 5274] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5274] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5274] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] getdents64(3 [pid 5275] <... prctl resumed>) = 0 [pid 5273] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5273] mount(NULL, "./config", "configfs", 0, NULL [pid 5275] setpgid(0, 0 [pid 306] close(3 [pid 5274] <... symlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5274] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5273] <... mount resumed>) = 0 [pid 306] rmdir("./948" [pid 5275] <... setpgid resumed>) = 0 [pid 5273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5274] <... unlinkat resumed>) = 0 [pid 5274] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5273] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 5275] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] mkdir("./949", 0777 [pid 5274] exit_group(0) = ? [pid 5275] <... openat resumed>) = 3 [pid 5274] +++ exited with 0 +++ [pid 5273] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... mkdir resumed>) = 0 [pid 5275] write(3, "1000", 4 [pid 5273] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[]ci2-android-6-1/strace-static-x86_64: Process 5276 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5274, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5276] set_robust_list(0x55556c898760, 24) = 0 [pid 5276] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5276] chdir("./1010") = 0 [pid 5276] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5276] setpgid(0, 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 5276] <... setpgid resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5277 [pid 5276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5273] <... mkdirat resumed>) = 0 [pid 309] umount2("./1002", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5275] <... write resumed>) = 4 [pid 5273] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5276] <... openat resumed>) = 3 [pid 5275] close(3 [pid 5273] <... symlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./1002", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5273] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... openat resumed>) = 3 [pid 5276] write(3, "1000", 4 [pid 309] fstat(3 [pid 5275] <... close resumed>) = 0 [pid 5273] <... unlinkat resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5273] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5275] symlink("/dev/binderfs", "./binderfs" [pid 309] getdents64(3 [pid 5276] <... write resumed>) = 4 [pid 5276] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5276] <... close resumed>) = 0 [pid 309] umount2("./1002/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5273] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5276] symlink("/dev/binderfs", "./binderfs" [pid 309] newfstatat(AT_FDCWD, "./1002/binderfs" [pid 5273] exit_group(0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5273] <... exit_group resumed>) = ? [pid 309] unlink("./1002/binderfs" [pid 5276] <... symlink resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 5276] write(1, "executing program\n", 18 [pid 309] umount2("./1002/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5276] <... write resumed>) = 18 [pid 5276] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = 0 [pid 5276] <... mkdirat resumed>) = 0 [pid 5273] +++ exited with 0 +++ [pid 309] umount2("./1002/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5275] <... symlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5275] write(1, "executing program\n", 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5273, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] newfstatat(AT_FDCWD, "./1002/config" [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5276] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5275] <... write resumed>) = 18 [pid 309] umount2("./1002/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5276] <... mount resumed>) = 0 executing program [pid 5275] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./1002/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 4 [pid 5276] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] fstat(4 [pid 5276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5276] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] getdents64(4 [pid 5276] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5276] <... mkdirat resumed>) = 0 [pid 5275] <... mkdirat resumed>) = 0 [pid 309] getdents64(4 [pid 5276] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5275] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5276] <... symlinkat resumed>) = 0 [pid 309] close(4 [pid 5276] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... close resumed>) = 0 [pid 5275] <... mount resumed>) = 0 [pid 309] rmdir("./1002/config" [pid 5276] <... unlinkat resumed>) = 0 [pid 5276] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 5276] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5276] <... exit_group resumed>) = ? [pid 5276] +++ exited with 0 +++ [pid 5275] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] close(3ci2-android-6-1/strace-static-x86_64: Process 5277 attached [pid 5275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... close resumed>) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5276, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5277] set_robust_list(0x55556c898760, 24 [pid 309] rmdir("./1002" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5277] <... set_robust_list resumed>) = 0 [pid 5277] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5277] chdir("./949" [pid 5275] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 5277] <... chdir resumed>) = 0 [pid 5275] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] mkdir("./1003", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 5277] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5277] setpgid(0, 0) = 0 [pid 5277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5277] write(3, "1000", 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] umount2("./1010", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5277] <... write resumed>) = 4 [pid 5277] close(3) = 0 [pid 5277] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5277] write(1, "executing program\n", 18 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5278 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5275] <... mkdirat resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5275] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] openat(AT_FDCWD, "./1010", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5277] <... write resumed>) = 18 [pid 308] <... openat resumed>) = 3 [pid 5277] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] fstat(3 [pid 5275] <... symlinkat resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5275] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 executing program [pid 308] getdents64(3 [pid 5277] <... mkdirat resumed>) = 0 [pid 5275] <... unlinkat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5277] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5275] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... restart_syscall resumed>) = 0 [pid 308] umount2("./1010/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./1010/binderfs" [pid 310] umount2("./1024", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] unlink("./1010/binderfs" [pid 310] openat(AT_FDCWD, "./1024", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5277] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... unlink resumed>) = 0 [pid 5277] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 308] umount2("./1010/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 5277] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5278 attached [pid 310] getdents64(3 [pid 308] umount2("./1010/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5277] <... mkdirat resumed>) = 0 [pid 5275] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./1024/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./1010/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5275] exit_group(0 [pid 310] newfstatat(AT_FDCWD, "./1024/binderfs" [pid 308] umount2("./1010/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5275] <... exit_group resumed>) = ? [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] unlink("./1024/binderfs" [pid 308] openat(AT_FDCWD, "./1010/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5277] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5277] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... unlink resumed>) = 0 [pid 5277] <... unlinkat resumed>) = 0 [pid 310] umount2("./1024/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 5277] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] fstat(4 [pid 310] <... umount2 resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./1024/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5277] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1024/config" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 310] umount2("./1024/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] close(4 [pid 310] openat(AT_FDCWD, "./1024/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... close resumed>) = 0 [pid 5277] exit_group(0 [pid 5275] +++ exited with 0 +++ [pid 310] <... openat resumed>) = 4 [pid 308] rmdir("./1010/config" [pid 5277] <... exit_group resumed>) = ? [pid 310] fstat(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5275, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5277] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5278] set_robust_list(0x55556c898760, 24 [pid 310] getdents64(4 [pid 308] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5277, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5278] <... set_robust_list resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5278] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 310] close(4 [pid 5278] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] umount2("./949", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./1010" [pid 310] rmdir("./1024/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5278] chdir("./1003") = 0 [pid 5278] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./949", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5278] <... prctl resumed>) = 0 [pid 5278] setpgid(0, 0) = 0 [pid 5278] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 308] mkdir("./1011", 0777 [pid 306] fstat(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5278] <... openat resumed>) = 3 [pid 5278] write(3, "1000", 4) = 4 [pid 5278] close(3) = 0 [pid 5278] symlink("/dev/binderfs", "./binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5278] <... symlink resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] getdents64(3 [pid 310] rmdir("./1024" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5278] write(1, "executing program\n", 18) = 18 [pid 5278] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] umount2("./949/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 5278] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] mkdir("./1025", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5278] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./976", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5278] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5278] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] openat(AT_FDCWD, "./976", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5278] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... mkdir resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5279 [pid 307] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./949/binderfs" [pid 5278] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(3ci2-android-6-1/strace-static-x86_64: Process 5279 attached [pid 5278] <... mkdirat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5278] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 306] unlink("./949/binderfs" [pid 5278] <... symlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5278] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./976/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5278] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5278] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] newfstatat(AT_FDCWD, "./976/binderfs" [pid 5278] <... unlinkat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5280 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5278] exit_group(0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] unlink("./976/binderfs" [pid 5278] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5279] set_robust_list(0x55556c898760, 24 [pid 5278] +++ exited with 0 +++ [pid 307] umount2("./976/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5278, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./976/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./976/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... restart_syscall resumed>) = 0 [pid 307] umount2("./976/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./949/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./976/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] fstat(4 [pid 309] umount2("./1003", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./949/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 309] openat(AT_FDCWD, "./1003", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 3 [pid 307] getdents64(4 [pid 306] openat(AT_FDCWD, "./949/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 306] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... close resumed>) = 0 [pid 306] fstat(4 [pid 309] getdents64(3 [pid 307] rmdir("./976/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rmdir resumed>) = 0 [pid 309] umount2("./1003/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./1003/binderfs" [pid 307] rmdir("./976" [pid 306] getdents64(4ci2-android-6-1/strace-static-x86_64: Process 5280 attached [pid 5279] <... set_robust_list resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5280] set_robust_list(0x55556c898760, 24 [pid 309] unlink("./1003/binderfs" [pid 307] mkdir("./977", 0777 [pid 306] close(4 [pid 5280] <... set_robust_list resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 5280] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./1003/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... close resumed>) = 0 [pid 5280] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rmdir("./949/config" [pid 5280] chdir("./1025" [pid 309] <... umount2 resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5281 attached [pid 5280] <... chdir resumed>) = 0 [pid 5279] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./1003/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rmdir resumed>) = 0 [pid 5280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5279] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5281 [pid 306] getdents64(3 [pid 5280] <... prctl resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./1003/config" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5280] setpgid(0, 0 [pid 5279] chdir("./1011" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5280] <... setpgid resumed>) = 0 [pid 5279] <... chdir resumed>) = 0 [pid 309] umount2("./1003/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 5280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5279] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5280] <... openat resumed>) = 3 [pid 5279] <... prctl resumed>) = 0 [pid 309] openat(AT_FDCWD, "./1003/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... close resumed>) = 0 [pid 5280] write(3, "1000", 4 [pid 5279] setpgid(0, 0 [pid 309] <... openat resumed>) = 4 [pid 306] rmdir("./949" [pid 5279] <... setpgid resumed>) = 0 [pid 309] fstat(4 [pid 5280] <... write resumed>) = 4 [pid 5280] close(3) = 0 [pid 5280] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5279] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] getdents64(4 [pid 306] mkdir("./950", 0777 [pid 5280] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5280] <... write resumed>) = 18 [pid 5280] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 309] getdents64(4 [pid 306] <... mkdir resumed>) = 0 [pid 5279] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] executing program [pid 5279] write(3, "1000", 4 [pid 309] close(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5280] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... close resumed>) = 0 [pid 5279] <... write resumed>) = 4 [pid 309] rmdir("./1003/config" [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5280] <... mount resumed>) = 0 [pid 5280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 5280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5280] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5280] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] getdents64(3 [pid 5279] close(3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5282 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5280] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] close(3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5279] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./1003" [pid 5279] symlink("/dev/binderfs", "./binderfs" [pid 5280] <... unlinkat resumed>) = 0 [pid 5280] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 5280] exit_group(0) = ? [pid 5280] +++ exited with 0 +++ [pid 5279] <... symlink resumed>) = 0 [pid 309] mkdir("./1004", 0777 [pid 5281] set_robust_list(0x55556c898760, 24 [pid 5279] write(1, "executing program\n", 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5280, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 5282 attached [pid 5282] set_robust_list(0x55556c898760, 24) = 0 [pid 5282] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5282] chdir("./950" [pid 5279] <... write resumed>) = 18 executing program [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5279] mkdirat(AT_FDCWD, "./config", 0777 [pid 5282] <... chdir resumed>) = 0 [pid 5282] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5282] setpgid(0, 0) = 0 [pid 5282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5282] write(3, "1000", 4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5283 [pid 5282] <... write resumed>) = 4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5282] close(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5282] <... close resumed>) = 0 executing program [pid 5282] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5279] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 5282] write(1, "executing program\n", 18) = 18 [pid 5282] mkdirat(AT_FDCWD, "./config", 0777 [pid 5279] mount(NULL, "./config", "configfs", 0, NULL [pid 5282] <... mkdirat resumed>) = 0 [pid 5279] <... mount resumed>) = 0 [pid 310] umount2("./1025", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5281] <... set_robust_list resumed>) = 0 [pid 5282] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5282] <... mount resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1025", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5282] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 3 [pid 5279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] fstat(3 [pid 5282] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5282] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5279] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] getdents64(3 [pid 5282] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5282] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5282] <... mkdirat resumed>) = 0 [pid 5279] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./1025/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5282] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5279] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5282] <... symlinkat resumed>) = 0 [pid 5279] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./1025/binderfs" [pid 5282] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5279] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5282] <... unlinkat resumed>) = 0 [pid 5279] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] unlink("./1025/binderfs" [pid 5282] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5279] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 5282] exit_group(0 [pid 5279] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] umount2("./1025/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5282] <... exit_group resumed>) = ? [pid 5282] +++ exited with 0 +++ [pid 5279] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./1025/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5279] <... exit_group resumed>) = ? [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5282, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] newfstatat(AT_FDCWD, "./1025/config"ci2-android-6-1/strace-static-x86_64: Process 5283 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5283] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./1025/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5283] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5283] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./1025/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5283] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... openat resumed>) = 4 [pid 5283] chdir("./1004" [pid 310] fstat(4 [pid 5279] +++ exited with 0 +++ [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5283] <... chdir resumed>) = 0 [pid 310] getdents64(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5279, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5283] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5283] setpgid(0, 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(4 [pid 5283] <... setpgid resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5283] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5281] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(4 [pid 5283] <... openat resumed>) = 3 [pid 5281] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... close resumed>) = 0 [pid 5283] write(3, "1000", 4 [pid 310] rmdir("./1025/config" [pid 5281] chdir("./977" [pid 5283] <... write resumed>) = 4 [pid 5283] close(3) = 0 [pid 5283] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5281] <... chdir resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] getdents64(3 [pid 5283] write(1, "executing program\n", 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5281] <... prctl resumed>) = 0 [pid 310] close(3 [pid 5283] <... write resumed>) = 18 executing program [pid 5281] setpgid(0, 0 [pid 310] <... close resumed>) = 0 [pid 5283] mkdirat(AT_FDCWD, "./config", 0777 [pid 5281] <... setpgid resumed>) = 0 [pid 310] rmdir("./1025" [pid 5283] <... mkdirat resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5283] mount(NULL, "./config", "configfs", 0, NULL [pid 310] mkdir("./1026", 0777 [pid 5281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5283] <... mount resumed>) = 0 [pid 5283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 5283] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5281] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5283] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5281] write(3, "1000", 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5283] <... mkdirat resumed>) = 0 [pid 5283] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5283] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5281] <... write resumed>) = 4 [pid 5283] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5284 [pid 5281] close(3 [pid 5283] <... unlinkat resumed>) = 0 [pid 5281] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5283] exit_group(0 [pid 5281] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5283] <... exit_group resumed>) = ? [pid 5281] <... symlink resumed>) = 0 [pid 5283] +++ exited with 0 +++ [pid 5281] write(1, "executing program\n", 18 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5283, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5281] <... write resumed>) = 18 executing program [pid 306] umount2("./950", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5284 attached ) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./950", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5281] mkdirat(AT_FDCWD, "./config", 0777 [pid 5284] set_robust_list(0x55556c898760, 24 [pid 306] <... openat resumed>) = 3 [pid 5284] <... set_robust_list resumed>) = 0 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(3 [pid 5284] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5284] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./950/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./950/binderfs" [pid 5284] chdir("./1026" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5281] <... mkdirat resumed>) = 0 [pid 306] unlink("./950/binderfs" [pid 5284] <... chdir resumed>) = 0 [pid 5284] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5281] mount(NULL, "./config", "configfs", 0, NULL [pid 306] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5284] setpgid(0, 0) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 306] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5281] <... mount resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] umount2("./1011", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5281] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] newfstatat(AT_FDCWD, "./950/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5281] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./1011", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5284] <... openat resumed>) = 3 [pid 5281] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./1004", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 3 [pid 306] umount2("./950/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(3 [pid 309] openat(AT_FDCWD, "./1004", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5281] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./950/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5281] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] fstat(3 [pid 308] getdents64(3 [pid 306] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5284] write(3, "1000", 4 [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] fstat(4 [pid 5284] <... write resumed>) = 4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./1011/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./1004/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./1004/binderfs" [pid 308] newfstatat(AT_FDCWD, "./1011/binderfs" [pid 306] getdents64(4 [pid 5281] <... mkdirat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5281] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] unlink("./1004/binderfs" [pid 308] unlink("./1011/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5284] close(3) = 0 [pid 5284] symlink("/dev/binderfs", "./binderfs" [pid 309] <... unlink resumed>) = 0 [pid 5284] <... symlink resumed>) = 0 [pid 309] umount2("./1004/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 306] getdents64(4 [pid 5281] <... symlinkat resumed>) = 0 [pid 5284] write(1, "executing program\n", 18 [pid 308] umount2("./1011/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5281] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./1004/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 306] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./1011/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./1004/config" [pid 306] <... close resumed>) = 0 [pid 5281] <... unlinkat resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./950/config" [pid 5281] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./1004/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./1011/config" [pid 5284] <... write resumed>) = 18 [pid 5284] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 309] openat(AT_FDCWD, "./1004/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./1011/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... openat resumed>) = 4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 306] close(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] openat(AT_FDCWD, "./1011/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5281] <... unlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 306] <... close resumed>) = 0 [pid 308] <... openat resumed>) = 4 executing program [pid 5284] <... mkdirat resumed>) = 0 [pid 5281] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] fstat(4 [pid 306] rmdir("./950" [pid 5284] mount(NULL, "./config", "configfs", 0, NULL [pid 309] getdents64(4 [pid 5284] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 306] <... rmdir resumed>) = 0 [pid 309] close(4 [pid 308] getdents64(4 [pid 5281] <... exit_group resumed>) = ? [pid 306] mkdir("./951", 0777 [pid 309] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5284] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] rmdir("./1004/config" [pid 308] getdents64(4 [pid 306] <... mkdir resumed>) = 0 [pid 5284] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5284] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] getdents64(3 [pid 308] close(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5284] <... unlinkat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5284] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] close(3 [pid 308] rmdir("./1011/config" [pid 5284] <... unlinkat resumed>) = 0 [pid 5284] exit_group(0) = ? [pid 5284] +++ exited with 0 +++ [pid 5281] +++ exited with 0 +++ [pid 309] <... close resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5284, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] rmdir("./1004" [pid 308] getdents64(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5281, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5285 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5285 attached [pid 5285] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] mkdir("./1005", 0777 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] close(3 [pid 5285] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5285] chdir("./951" [pid 309] <... mkdir resumed>) = 0 [pid 5285] <... chdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... close resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] rmdir("./1011" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5285] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5285] setpgid(0, 0) = 0 [pid 5285] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... rmdir resumed>) = 0 [pid 5285] <... openat resumed>) = 3 [pid 5285] write(3, "1000", 4) = 4 [pid 5285] close(3) = 0 [pid 308] mkdir("./1012", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5286 [pid 5285] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5285] write(1, "executing program\n", 18) = 18 [pid 5285] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5285] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 310] umount2("./1026", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5285] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5285] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5285] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5285] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] openat(AT_FDCWD, "./1026", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5287 [pid 5285] <... unlinkat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] fstat(3 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5285] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] getdents64(3 [pid 5285] <... unlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5285] exit_group(0 [pid 310] umount2("./1026/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5285] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 5287 attached [pid 5285] +++ exited with 0 +++ [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./1026/binderfs" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5285, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] unlink("./1026/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5286 attached [pid 5286] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./1026/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5286] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = 0 [pid 5286] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./1026/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./1026/config" [pid 5286] chdir("./1005" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5286] <... chdir resumed>) = 0 [pid 310] umount2("./1026/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5286] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5286] <... prctl resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1026/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5286] setpgid(0, 0) = 0 [pid 5286] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... openat resumed>) = 4 [pid 5286] <... openat resumed>) = 3 [pid 310] fstat(4 [pid 5286] write(3, "1000", 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5286] <... write resumed>) = 4 [pid 5286] close(3) = 0 [pid 310] getdents64(4 [pid 5286] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5286] write(1, "executing program\n", 18 [pid 310] getdents64(4 [pid 5286] <... write resumed>) = 18 [pid 5286] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 executing program [pid 5287] set_robust_list(0x55556c898760, 24 [pid 5286] <... mkdirat resumed>) = 0 [pid 310] close(4 [pid 5286] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... close resumed>) = 0 [pid 5286] <... mount resumed>) = 0 [pid 310] rmdir("./1026/config" [pid 5286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5286] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5286] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 5286] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5286] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] close(3 [pid 5286] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 5286] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./1026" [pid 5286] <... unlinkat resumed>) = 0 [pid 5286] exit_group(0) = ? [pid 5287] <... set_robust_list resumed>) = 0 [pid 5286] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5286, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] mkdir("./1027", 0777 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5287] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5287] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5287] chdir("./1012" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5287] <... chdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5287] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... restart_syscall resumed>) = 0 [pid 307] umount2("./977", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./977", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5288 [pid 307] umount2("./977/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./977/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./977/binderfs") = 0 [pid 307] umount2("./977/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5288 attached ) = 0 [pid 307] umount2("./977/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./977/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./977/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./977/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] close(4) = 0 [pid 307] rmdir("./977/config" [pid 5288] set_robust_list(0x55556c898760, 24 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./977" [pid 5288] <... set_robust_list resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./978", 0777 [pid 306] umount2("./951", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5288] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 5287] <... prctl resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5287] setpgid(0, 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5287] <... setpgid resumed>) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] openat(AT_FDCWD, "./951", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5289 attached [pid 5288] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5287] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... restart_syscall resumed>) = 0 [pid 5287] <... openat resumed>) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5289 [pid 306] <... openat resumed>) = 3 [pid 5287] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5287] <... write resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5287] close(3) = 0 [pid 5287] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5287] write(1, "executing program\n", 18) = 18 executing program [pid 5287] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] fstat(3 [pid 5289] set_robust_list(0x55556c898760, 24 [pid 5288] chdir("./1027" [pid 5287] <... mkdirat resumed>) = 0 [pid 309] umount2("./1005", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5287] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5287] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5287] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] getdents64(3 [pid 5287] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5287] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5287] exit_group(0) = ? [pid 5289] <... set_robust_list resumed>) = 0 [pid 5288] <... chdir resumed>) = 0 [pid 5287] +++ exited with 0 +++ [pid 309] openat(AT_FDCWD, "./1005", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... openat resumed>) = 3 [pid 306] umount2("./951/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5287, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] fstat(3 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] newfstatat(AT_FDCWD, "./951/binderfs" [pid 309] getdents64(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5289] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] unlink("./951/binderfs" [pid 309] umount2("./1005/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5289] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5289] chdir("./978" [pid 306] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5289] <... chdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./1005/binderfs" [pid 306] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5289] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] unlink("./1005/binderfs" [pid 306] <... umount2 resumed>) = 0 [pid 5289] setpgid(0, 0) = 0 [pid 5289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... unlink resumed>) = 0 [pid 306] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./1005/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5289] <... openat resumed>) = 3 [pid 309] <... umount2 resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./951/config" [pid 309] umount2("./1005/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./951/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./1005/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5289] write(3, "1000", 4) = 4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./951/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] umount2("./1005/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5289] close(3 [pid 306] <... openat resumed>) = 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(4 [pid 309] openat(AT_FDCWD, "./1005/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 4 [pid 306] getdents64(4 [pid 309] fstat(4 [pid 5289] <... close resumed>) = 0 [pid 5289] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5288] prctl(PR_SET_PDEATHSIG, SIGKILL executing program [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 5288] <... prctl resumed>) = 0 [pid 306] getdents64(4 [pid 5289] write(1, "executing program\n", 18 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5288] setpgid(0, 0 [pid 309] getdents64(4 [pid 306] close(4 [pid 5288] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 5289] <... write resumed>) = 18 [pid 5289] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] close(4 [pid 306] rmdir("./951/config" [pid 5289] <... mkdirat resumed>) = 0 [pid 5288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 309] rmdir("./1005/config" [pid 306] getdents64(3 [pid 5289] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 306] close(3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(3 [pid 306] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 306] rmdir("./951" [pid 309] rmdir("./1005" [pid 5289] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5289] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5289] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5288] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 306] mkdir("./952", 0777 [pid 5289] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5289] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5289] exit_group(0 [pid 309] mkdir("./1006", 0777 [pid 306] <... mkdir resumed>) = 0 [pid 5288] write(3, "1000", 4 [pid 5289] <... exit_group resumed>) = ? [pid 5289] +++ exited with 0 +++ [pid 5288] <... write resumed>) = 4 [pid 309] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5288] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5289, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5288] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5290 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5290 attached [pid 5288] symlink("/dev/binderfs", "./binderfs" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5290] set_robust_list(0x55556c898760, 24) = 0 [pid 5290] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5290] chdir("./952") = 0 [pid 5290] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5290] setpgid(0, 0) = 0 [pid 5290] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5288] <... symlink resumed>) = 0 [pid 5290] write(3, "1000", 4) = 4 [pid 5290] close(3) = 0 [pid 5290] symlink("/dev/binderfs", "./binderfs" [pid 5288] write(1, "executing program\n", 18 [pid 307] <... restart_syscall resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5291 [pid 5290] <... symlink resumed>) = 0 [pid 5288] <... write resumed>) = 18 executing program [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5290] write(1, "executing program\n", 18) = 18 executing program [pid 5290] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5288] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5290] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] umount2("./978", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5290] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5288] <... mkdirat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 5288] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5290] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5290] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] openat(AT_FDCWD, "./978", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5290] <... unlinkat resumed>) = 0 [pid 308] umount2("./1012", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 3 [pid 5290] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5288] <... mount resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(3 [pid 5288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5290] <... unlinkat resumed>) = 0 [pid 5288] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./1012", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5290] exit_group(0) = ? [pid 5290] +++ exited with 0 +++ [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5290, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5291 attached [pid 5291] set_robust_list(0x55556c898760, 24) = 0 [pid 5291] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5291] chdir("./1006") = 0 [pid 5291] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5291] setpgid(0, 0) = 0 [pid 5291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 3 [pid 5291] <... openat resumed>) = 3 [pid 5288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] fstat(3 [pid 307] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5288] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5291] write(3, "1000", 4 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5288] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] getdents64(3 [pid 307] umount2("./978/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5291] <... write resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5291] close(3) = 0 [pid 308] umount2("./1012/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5291] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5288] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./978/binderfs" [pid 5288] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] newfstatat(AT_FDCWD, "./1012/binderfs" [pid 5291] write(1, "executing program\n", 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5291] <... write resumed>) = 18 [pid 5288] <... symlinkat resumed>) = 0 executing program [pid 308] unlink("./1012/binderfs" [pid 307] unlink("./978/binderfs" [pid 5288] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5291] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... unlink resumed>) = 0 [pid 5291] <... mkdirat resumed>) = 0 [pid 5288] <... unlinkat resumed>) = 0 [pid 308] umount2("./1012/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 5291] mount(NULL, "./config", "configfs", 0, NULL [pid 5288] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5291] <... mount resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./978/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5291] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5291] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5288] <... unlinkat resumed>) = 0 [pid 308] umount2("./1012/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 5291] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5288] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./978/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5288] <... exit_group resumed>) = ? [pid 308] newfstatat(AT_FDCWD, "./1012/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5291] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5291] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5288] +++ exited with 0 +++ [pid 5291] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./978/config" [pid 308] umount2("./1012/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5288, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./978/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./1012/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5291] <... unlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 307] openat(AT_FDCWD, "./978/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... restart_syscall resumed>) = 0 [pid 308] fstat(4 [pid 307] <... openat resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(4 [pid 5291] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./1027", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(4 [pid 308] getdents64(4 [pid 310] openat(AT_FDCWD, "./1027", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... openat resumed>) = 3 [pid 308] close(4 [pid 307] getdents64(4 [pid 5291] exit_group(0 [pid 310] fstat(3 [pid 308] <... close resumed>) = 0 [pid 5291] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./1012/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 5291] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 310] umount2("./1027/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5291, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1027/binderfs" [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./978/config" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] unlink("./1027/binderfs" [pid 308] close(3 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./952", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... unlink resumed>) = 0 [pid 307] getdents64(3 [pid 306] openat(AT_FDCWD, "./952", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] umount2("./1027/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 307] close(3 [pid 310] <... umount2 resumed>) = 0 [pid 308] rmdir("./1012" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./1027/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./952/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] mkdir("./1013", 0777 [pid 307] rmdir("./978" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./1027/config" [pid 306] newfstatat(AT_FDCWD, "./952/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./952/binderfs" [pid 308] <... mkdir resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1027/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] mkdir("./979", 0777 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./952/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./952/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./952/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./1027/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... openat resumed>) = 4 [pid 310] <... openat resumed>) = 4 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] close(4 [pid 310] fstat(4 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5292 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] rmdir("./952/config" [pid 310] getdents64(4 [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./952" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 310] getdents64(4 [pid 306] mkdir("./953", 0777ci2-android-6-1/strace-static-x86_64: Process 5293 attached [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5293 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] close(4 [pid 309] umount2("./1006", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5293] set_robust_list(0x55556c898760, 24 [pid 310] rmdir("./1027/config" [pid 309] openat(AT_FDCWD, "./1006", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5294 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] close(3ci2-android-6-1/strace-static-x86_64: Process 5292 attached ) = 0 [pid 309] getdents64(3 [pid 310] rmdir("./1027" [pid 5292] set_robust_list(0x55556c898760, 24 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5292] <... set_robust_list resumed>) = 0 [pid 5292] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5292] chdir("./1013" [pid 310] <... rmdir resumed>) = 0 [pid 309] umount2("./1006/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./1028", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5292] <... chdir resumed>) = 0 [pid 5292] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5292] setpgid(0, 0) = 0 [pid 5292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./1006/binderfs" [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5292] <... openat resumed>) = 3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] unlink("./1006/binderfs" [pid 5292] write(3, "1000", 4) = 4 [pid 5292] close(3) = 0 [pid 5292] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5292] write(1, "executing program\n", 18) = 18 [pid 5292] mkdirat(AT_FDCWD, "./config", 0777 [pid 5293] <... set_robust_list resumed>) = 0 [pid 5292] <... mkdirat resumed>) = 0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5295 [pid 309] <... unlink resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5294 attached [pid 5292] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./1006/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5292] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5292] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) executing program [pid 5292] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5292] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5292] <... symlinkat resumed>) = 0 [pid 5292] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 5292] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5293] rt_sigprocmask(SIG_SETMASK, [] [pid 5292] <... unlinkat resumed>) = 0 [pid 309] umount2("./1006/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5294] set_robust_list(0x55556c898760, 24 [pid 5292] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 5295 attached [pid 5294] <... set_robust_list resumed>) = 0 [pid 5293] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5292] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5292, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5295] set_robust_list(0x55556c898760, 24) = 0 [pid 5295] rt_sigprocmask(SIG_SETMASK, [] [pid 309] newfstatat(AT_FDCWD, "./1006/config" [pid 5295] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5295] chdir("./1028" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5295] <... chdir resumed>) = 0 [pid 5295] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5295] setpgid(0, 0) = 0 [pid 5295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./1006/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5295] <... openat resumed>) = 3 [pid 5293] chdir("./979" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5295] write(3, "1000", 4) = 4 [pid 5295] close(3) = 0 [pid 5295] symlink("/dev/binderfs", "./binderfs" [pid 309] openat(AT_FDCWD, "./1006/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5295] <... symlink resumed>) = 0 [pid 5293] <... chdir resumed>) = 0 [pid 309] <... openat resumed>) = 4 [pid 5295] write(1, "executing program\n", 18) = 18 executing program [pid 5295] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5294] rt_sigprocmask(SIG_SETMASK, [] [pid 5293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] fstat(4 [pid 5295] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5295] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5293] <... prctl resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5294] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] getdents64(4 [pid 5295] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5295] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5293] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5295] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] getdents64(4 [pid 5293] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5295] <... unlinkat resumed>) = 0 [pid 309] close(4 [pid 5295] exit_group(0 [pid 5293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... close resumed>) = 0 [pid 5295] <... exit_group resumed>) = ? [pid 309] rmdir("./1006/config" [pid 5295] +++ exited with 0 +++ [pid 5293] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 5294] chdir("./953" [pid 5293] write(3, "1000", 4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5295, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5293] <... write resumed>) = 4 [pid 309] close(3 [pid 5294] <... chdir resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 5294] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5293] close(3 [pid 309] <... close resumed>) = 0 [pid 5294] <... prctl resumed>) = 0 [pid 5293] <... close resumed>) = 0 [pid 309] rmdir("./1006" [pid 5294] setpgid(0, 0 [pid 308] umount2("./1013", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5294] <... setpgid resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5294] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] openat(AT_FDCWD, "./1013", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5294] <... openat resumed>) = 3 [pid 5293] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 5294] write(3, "1000", 4 [pid 309] mkdir("./1007", 0777 [pid 308] fstat(3 [pid 5294] <... write resumed>) = 4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5294] close(3 [pid 308] getdents64(3 [pid 5294] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5294] symlink("/dev/binderfs", "./binderfs" [pid 308] umount2("./1013/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5294] <... symlink resumed>) = 0 [pid 5293] <... symlink resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5294] write(1, "executing program\n", 18 [pid 5293] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] newfstatat(AT_FDCWD, "./1013/binderfs" [pid 5294] <... write resumed>) = 18 executing program executing program [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5293] <... write resumed>) = 18 [pid 5294] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] unlink("./1013/binderfs" [pid 5294] <... mkdirat resumed>) = 0 [pid 308] <... unlink resumed>) = 0 [pid 5294] mount(NULL, "./config", "configfs", 0, NULL [pid 308] umount2("./1013/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5294] <... mount resumed>) = 0 [pid 5293] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 5294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5296 [pid 308] umount2("./1013/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5294] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] newfstatat(AT_FDCWD, "./1013/config" [pid 5294] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5293] <... mkdirat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5294] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 308] umount2("./1013/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5294] <... mkdirat resumed>) = 0 [pid 5293] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5294] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] openat(AT_FDCWD, "./1013/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5294] <... symlinkat resumed>) = 0 [pid 5293] <... mount resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 5294] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] fstat(4 [pid 5294] <... unlinkat resumed>) = 0 [pid 5293] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5294] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./1028", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 5294] <... unlinkat resumed>) = 0 [pid 5293] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5294] exit_group(0 [pid 5293] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] openat(AT_FDCWD, "./1028", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 5294] <... exit_group resumed>) = ? [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5294] +++ exited with 0 +++ [pid 5293] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 308] close(4 [pid 5293] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(3 [pid 308] <... close resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./1013/config" [pid 5293] <... symlinkat resumed>) = 0 [pid 310] getdents64(3 [pid 308] <... rmdir resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5294, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] close(3 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5293] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5296 attached [pid 5293] <... unlinkat resumed>) = 0 [pid 310] umount2("./1028/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./1013" [pid 5293] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5293] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1028/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 5293] exit_group(0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5293] <... exit_group resumed>) = ? [pid 310] unlink("./1028/binderfs" [pid 308] mkdir("./1014", 0777 [pid 5296] set_robust_list(0x55556c898760, 24 [pid 310] <... unlink resumed>) = 0 [pid 310] umount2("./1028/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 310] umount2("./1028/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./1028/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 310] umount2("./1028/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] openat(AT_FDCWD, "./1028/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5293] +++ exited with 0 +++ [pid 5296] <... set_robust_list resumed>) = 0 [pid 310] <... openat resumed>) = 4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] fstat(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5293, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5296] rt_sigprocmask(SIG_SETMASK, [] [pid 310] close(4 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5297 [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./1028/config"ci2-android-6-1/strace-static-x86_64: Process 5297 attached [pid 5296] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 5297] set_robust_list(0x55556c898760, 24 [pid 5296] chdir("./1007" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 5297] <... set_robust_list resumed>) = 0 [pid 5296] <... chdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5296] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(3 [pid 5297] rt_sigprocmask(SIG_SETMASK, [] [pid 5296] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 5297] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5296] setpgid(0, 0 [pid 310] rmdir("./1028" [pid 5297] chdir("./1014") = 0 [pid 5297] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5297] setpgid(0, 0) = 0 [pid 5297] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5296] <... setpgid resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] mkdir("./1029", 0777 [pid 5297] <... openat resumed>) = 3 [pid 5297] write(3, "1000", 4) = 4 [pid 5297] close(3) = 0 [pid 5297] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5296] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] umount2("./953", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5297] write(1, "executing program\n", 18) = 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] openat(AT_FDCWD, "./953", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./979", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 5297] mkdirat(AT_FDCWD, "./config", 0777 [pid 5296] <... openat resumed>) = 3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 5297] <... mkdirat resumed>) = 0 [pid 5297] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5296] write(3, "1000", 4 [pid 307] openat(AT_FDCWD, "./979", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 5296] <... write resumed>) = 4 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5298 [pid 307] <... openat resumed>) = 3 ci2-android-6-1/strace-static-x86_64: Process 5298 attached [pid 5297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] fstat(3 [pid 306] getdents64(3 [pid 5297] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5296] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5296] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5297] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5296] symlink("/dev/binderfs", "./binderfs" [pid 307] getdents64(3 [pid 5297] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5296] <... symlink resumed>) = 0 [pid 306] umount2("./953/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5296] write(1, "executing program\n", 18 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 executing program [pid 5297] <... mkdirat resumed>) = 0 [pid 5296] <... write resumed>) = 18 [pid 307] umount2("./979/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./953/binderfs" [pid 307] newfstatat(AT_FDCWD, "./979/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5296] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] unlink("./979/binderfs" [pid 306] unlink("./953/binderfs" [pid 5297] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... unlink resumed>) = 0 [pid 5297] <... symlinkat resumed>) = 0 [pid 307] umount2("./979/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 5297] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = 0 [pid 5297] <... unlinkat resumed>) = 0 [pid 5296] <... mkdirat resumed>) = 0 [pid 307] umount2("./979/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 5297] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5297] exit_group(0 [pid 5296] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./979/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./953/config" [pid 5296] <... mount resumed>) = 0 [pid 307] umount2("./979/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./953/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./979/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5296] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5298] set_robust_list(0x55556c898760, 24 [pid 5297] <... exit_group resumed>) = ? [pid 5296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./953/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] fstat(4 [pid 5298] <... set_robust_list resumed>) = 0 [pid 5297] +++ exited with 0 +++ [pid 5296] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 [pid 5298] rt_sigprocmask(SIG_SETMASK, [] [pid 5296] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5297, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(4 [pid 306] fstat(4 [pid 5298] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5296] <... mkdirat resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5298] chdir("./1029" [pid 5296] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] getdents64(4 [pid 306] getdents64(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5298] <... chdir resumed>) = 0 [pid 5296] <... symlinkat resumed>) = 0 [pid 307] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5298] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5296] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 307] rmdir("./979/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5298] <... prctl resumed>) = 0 [pid 5298] setpgid(0, 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 5298] <... setpgid resumed>) = 0 [pid 307] getdents64(3 [pid 5296] <... unlinkat resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5296] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5298] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5296] <... unlinkat resumed>) = 0 [pid 307] close(3 [pid 306] rmdir("./953/config" [pid 5298] <... openat resumed>) = 3 [pid 307] <... close resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] rmdir("./979" [pid 306] getdents64(3 [pid 5298] write(3, "1000", 4 [pid 307] <... rmdir resumed>) = 0 [pid 5298] <... write resumed>) = 4 [pid 5296] exit_group(0 [pid 307] mkdir("./980", 0777 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5296] <... exit_group resumed>) = ? [pid 5298] close(3) = 0 [pid 5298] symlink("/dev/binderfs", "./binderfs" [pid 307] <... mkdir resumed>) = 0 [pid 306] close(3 [pid 5298] <... symlink resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rmdir("./953" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 5298] write(1, "executing program\n", 18) = 18 [pid 306] <... rmdir resumed>) = 0 [pid 5298] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 5299 attached ) = 0 [pid 5296] +++ exited with 0 +++ [pid 306] mkdir("./954", 0777 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5299 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5296, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5298] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... mkdir resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5299] set_robust_list(0x55556c898760, 24 [pid 5298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5299] <... set_robust_list resumed>) = 0 [pid 5298] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 5299] rt_sigprocmask(SIG_SETMASK, [] [pid 5298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5299] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5298] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5298] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./1014", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5300 attached [pid 5299] chdir("./980" [pid 5298] <... mkdirat resumed>) = 0 [pid 309] umount2("./1007", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5300] set_robust_list(0x55556c898760, 24 [pid 5299] <... chdir resumed>) = 0 [pid 5298] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1014", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5300] <... set_robust_list resumed>) = 0 [pid 5299] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5298] <... symlinkat resumed>) = 0 [pid 309] openat(AT_FDCWD, "./1007", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 3 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5300 [pid 5300] rt_sigprocmask(SIG_SETMASK, [] [pid 5299] <... prctl resumed>) = 0 [pid 5298] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... openat resumed>) = 3 [pid 308] fstat(3 [pid 5300] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5299] setpgid(0, 0 [pid 5298] <... unlinkat resumed>) = 0 [pid 309] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5300] chdir("./954" [pid 5299] <... setpgid resumed>) = 0 [pid 5298] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 5300] <... chdir resumed>) = 0 [pid 5299] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5298] <... unlinkat resumed>) = 0 [pid 309] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5298] exit_group(0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./1014/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5300] <... prctl resumed>) = 0 [pid 5299] <... openat resumed>) = 3 [pid 5298] <... exit_group resumed>) = ? [pid 309] umount2("./1007/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5300] setpgid(0, 0 [pid 5299] write(3, "1000", 4 [pid 5298] +++ exited with 0 +++ [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./1014/binderfs" [pid 5300] <... setpgid resumed>) = 0 [pid 5299] <... write resumed>) = 4 [pid 309] newfstatat(AT_FDCWD, "./1007/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5299] close(3 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5298, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./1014/binderfs" [pid 5300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5299] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] unlink("./1007/binderfs" [pid 308] <... unlink resumed>) = 0 [pid 5299] symlink("/dev/binderfs", "./binderfs" [pid 309] <... unlink resumed>) = 0 [pid 308] umount2("./1014/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5299] <... symlink resumed>) = 0 [pid 309] umount2("./1007/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 executing program [pid 5300] <... openat resumed>) = 3 [pid 5299] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./1014/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5300] write(3, "1000", 4 [pid 5299] <... write resumed>) = 18 [pid 309] umount2("./1007/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./1014/config" [pid 5300] <... write resumed>) = 4 [pid 5299] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] newfstatat(AT_FDCWD, "./1007/config" [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5300] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./1014/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5300] <... close resumed>) = 0 [pid 5299] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./1007/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5300] symlink("/dev/binderfs", "./binderfs" [pid 5299] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1014/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5300] <... symlink resumed>) = 0 [pid 5299] <... mount resumed>) = 0 [pid 309] openat(AT_FDCWD, "./1007/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 4 [pid 5300] write(1, "executing program\n", 18 executing program [pid 5299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./1029", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... openat resumed>) = 4 [pid 308] fstat(4 [pid 5300] <... write resumed>) = 18 [pid 5299] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5300] mkdirat(AT_FDCWD, "./config", 0777 [pid 5299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./1029", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 5300] <... mkdirat resumed>) = 0 [pid 5299] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5300] mount(NULL, "./config", "configfs", 0, NULL [pid 5299] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 5300] <... mount resumed>) = 0 [pid 5299] <... mkdirat resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5299] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 5300] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5299] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] close(4 [pid 308] <... close resumed>) = 0 [pid 5300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5299] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./1029/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] rmdir("./1014/config" [pid 5300] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5299] <... unlinkat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./1007/config" [pid 308] <... rmdir resumed>) = 0 [pid 5300] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5299] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./1029/binderfs" [pid 308] getdents64(3 [pid 5300] <... mkdirat resumed>) = 0 [pid 5299] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5300] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5299] exit_group(0 [pid 310] unlink("./1029/binderfs" [pid 309] getdents64(3 [pid 308] close(3 [pid 5299] <... exit_group resumed>) = ? [pid 310] <... unlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 5300] <... symlinkat resumed>) = 0 [pid 5299] +++ exited with 0 +++ [pid 310] umount2("./1029/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./1014" [pid 5300] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 5300] <... unlinkat resumed>) = 0 [pid 310] umount2("./1029/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 308] mkdir("./1015", 0777 [pid 5300] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./1007" [pid 308] <... mkdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5299, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] newfstatat(AT_FDCWD, "./1029/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5301 attached [pid 5300] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] mkdir("./1008", 0777 [pid 310] umount2("./1029/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5301 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5301] set_robust_list(0x55556c898760, 24 [pid 5300] exit_group(0 [pid 310] openat(AT_FDCWD, "./1029/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5301] <... set_robust_list resumed>) = 0 [pid 5300] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(4 [pid 5301] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5301] chdir("./1015") = 0 [pid 5301] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5302 [pid 5301] <... prctl resumed>) = 0 [pid 310] getdents64(4 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] close(4 [pid 5301] setpgid(0, 0 [pid 310] <... close resumed>) = 0 [pid 5301] <... setpgid resumed>) = 0 [pid 310] rmdir("./1029/config" [pid 5301] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECci2-android-6-1/strace-static-x86_64: Process 5302 attached ) = 3 [pid 5300] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 5302] set_robust_list(0x55556c898760, 24 [pid 5301] write(3, "1000", 4 [pid 310] getdents64(3 [pid 307] <... restart_syscall resumed>) = 0 [pid 5302] <... set_robust_list resumed>) = 0 [pid 5301] <... write resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5300, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5301] close(3 [pid 310] close(3 [pid 5302] rt_sigprocmask(SIG_SETMASK, [] [pid 5301] <... close resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5302] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5301] symlink("/dev/binderfs", "./binderfs" [pid 310] rmdir("./1029" [pid 307] umount2("./980", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 5302] chdir("./1008" [pid 310] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./980", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] mkdir("./1030", 0777 [pid 5302] <... chdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 5302] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5302] setpgid(0, 0) = 0 [pid 5302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5301] <... symlink resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 307] fstat(3 [pid 306] umount2("./954", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5301] write(1, "executing program\n", 18 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5301] <... write resumed>) = 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 5301] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 306] openat(AT_FDCWD, "./954", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5302] write(3, "1000", 4) = 4 [pid 5302] close(3 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5303 [pid 306] <... openat resumed>) = 3 [pid 307] umount2("./980/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5302] <... close resumed>) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./980/binderfs" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5302] symlink("/dev/binderfs", "./binderfs" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 307] unlink("./980/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5303 attached [pid 5302] <... symlink resumed>) = 0 [pid 5301] <... mkdirat resumed>) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5301] mount(NULL, "./config", "configfs", 0, NULL [pid 307] umount2("./980/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./954/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5303] set_robust_list(0x55556c898760, 24 [pid 5302] write(1, "executing program\n", 18 [pid 5301] <... mount resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5303] <... set_robust_list resumed>) = 0 [pid 5301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] umount2("./980/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./954/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5301] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] newfstatat(AT_FDCWD, "./980/config" [pid 5301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] unlink("./954/binderfs" [pid 5301] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5303] rt_sigprocmask(SIG_SETMASK, [] [pid 5302] <... write resumed>) = 18 [pid 5301] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 executing program [pid 307] umount2("./980/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 5303] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5302] mkdirat(AT_FDCWD, "./config", 0777 [pid 5301] <... mkdirat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5303] chdir("./1030" [pid 5302] <... mkdirat resumed>) = 0 [pid 5301] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] openat(AT_FDCWD, "./980/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5303] <... chdir resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 5303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5302] mount(NULL, "./config", "configfs", 0, NULL [pid 5301] <... symlinkat resumed>) = 0 [pid 307] fstat(4 [pid 306] <... umount2 resumed>) = 0 [pid 5303] <... prctl resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5303] setpgid(0, 0 [pid 5301] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5303] <... setpgid resumed>) = 0 [pid 5302] <... mount resumed>) = 0 [pid 307] getdents64(4 [pid 5303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5301] <... unlinkat resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5303] <... openat resumed>) = 3 [pid 5302] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5301] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5303] write(3, "1000", 4 [pid 5302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./954/config" [pid 5303] <... write resumed>) = 4 [pid 5302] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5301] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5303] close(3 [pid 5302] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5303] <... close resumed>) = 0 [pid 5302] <... mkdirat resumed>) = 0 [pid 5301] exit_group(0 [pid 307] close(4 [pid 5303] symlink("/dev/binderfs", "./binderfs" [pid 5302] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] umount2("./954/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5302] <... symlinkat resumed>) = 0 [pid 5301] <... exit_group resumed>) = ? [pid 307] <... close resumed>) = 0 [pid 5303] <... symlink resumed>) = 0 [pid 5302] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5302] <... unlinkat resumed>) = 0 [pid 307] rmdir("./980/config" [pid 306] openat(AT_FDCWD, "./954/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5302] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 5302] exit_group(0 [pid 307] getdents64(3 [pid 306] fstat(4 [pid 5303] write(1, "executing program\n", 18 [pid 5302] <... exit_group resumed>) = ? executing program [pid 5301] +++ exited with 0 +++ [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5303] <... write resumed>) = 18 [pid 5302] +++ exited with 0 +++ [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5301, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] close(3 [pid 306] getdents64(4 [pid 5303] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5302, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] rmdir("./980" [pid 306] getdents64(4 [pid 5303] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5303] mount(NULL, "./config", "configfs", 0, NULL [pid 307] mkdir("./981", 0777 [pid 306] close(4 [pid 5303] <... mount resumed>) = 0 [pid 5303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... mkdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5303] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] rmdir("./954/config" [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... rmdir resumed>) = 0 [pid 5303] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 306] getdents64(3 [pid 5303] <... mkdirat resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5304 [pid 306] close(3ci2-android-6-1/strace-static-x86_64: Process 5304 attached [pid 5303] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 5304] set_robust_list(0x55556c898760, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5304] <... set_robust_list resumed>) = 0 [pid 306] rmdir("./954" [pid 5303] <... symlinkat resumed>) = 0 [pid 5303] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... rmdir resumed>) = 0 [pid 5304] rt_sigprocmask(SIG_SETMASK, [] [pid 306] mkdir("./955", 0777 [pid 5304] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5303] <... unlinkat resumed>) = 0 [pid 5303] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... mkdir resumed>) = 0 [pid 5304] chdir("./981" [pid 5303] <... unlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5304] <... chdir resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5304] <... prctl resumed>) = 0 [pid 5303] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 5305 attached [pid 5304] setpgid(0, 0 [pid 5303] +++ exited with 0 +++ [pid 5304] <... setpgid resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5305 [pid 5305] set_robust_list(0x55556c898760, 24 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5303, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5305] <... set_robust_list resumed>) = 0 [pid 5304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5304] <... openat resumed>) = 3 [pid 5305] rt_sigprocmask(SIG_SETMASK, [] [pid 5304] write(3, "1000", 4 [pid 5305] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5304] <... write resumed>) = 4 [pid 5305] chdir("./955" [pid 5304] close(3 [pid 5305] <... chdir resumed>) = 0 [pid 5304] <... close resumed>) = 0 [pid 5305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5304] symlink("/dev/binderfs", "./binderfs" [pid 5305] <... prctl resumed>) = 0 [pid 5305] setpgid(0, 0) = 0 [pid 5305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5304] <... symlink resumed>) = 0 [pid 5305] <... openat resumed>) = 3 [pid 5304] write(1, "executing program\n", 18 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 executing program [pid 5305] write(3, "1000", 4 [pid 5304] <... write resumed>) = 18 [pid 5305] <... write resumed>) = 4 [pid 5305] close(3 [pid 310] umount2("./1030", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./1015", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5305] <... close resumed>) = 0 [pid 5304] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./1008", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5305] symlink("/dev/binderfs", "./binderfs" [pid 310] openat(AT_FDCWD, "./1030", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1015", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5305] <... symlink resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./1008", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 3 [pid 5305] write(1, "executing program\n", 18 [pid 5304] <... mkdirat resumed>) = 0 [pid 310] fstat(3 [pid 308] fstat(3 [pid 5305] <... write resumed>) = 18 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5305] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 5304] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 5305] <... mkdirat resumed>) = 0 [pid 5304] <... mount resumed>) = 0 [pid 310] getdents64(3 [pid 309] fstat(3 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5305] mount(NULL, "./config", "configfs", 0, NULL [pid 308] umount2("./1015/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5305] <... mount resumed>) = 0 [pid 5304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5304] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./1030/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./1015/binderfs" [pid 5305] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5304] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] newfstatat(AT_FDCWD, "./1030/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] unlink("./1015/binderfs" [pid 5305] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5304] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./1008/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 5305] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] unlink("./1030/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./1015/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./1008/binderfs" [pid 308] umount2("./1015/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5305] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5304] <... mkdirat resumed>) = 0 [pid 310] umount2("./1030/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5305] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5304] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... umount2 resumed>) = 0 [pid 309] unlink("./1008/binderfs" [pid 308] newfstatat(AT_FDCWD, "./1015/config" [pid 5305] <... symlinkat resumed>) = 0 [pid 310] umount2("./1030/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... unlink resumed>) = 0 [pid 5305] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5304] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./1008/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./1015/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5305] <... unlinkat resumed>) = 0 [pid 5304] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] newfstatat(AT_FDCWD, "./1030/config" [pid 309] <... umount2 resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5305] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5304] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./1008/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] openat(AT_FDCWD, "./1015/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5305] <... unlinkat resumed>) = 0 [pid 5304] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./1030/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... openat resumed>) = 4 [pid 5305] exit_group(0 [pid 5304] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./1008/config" [pid 308] fstat(4 [pid 5305] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./1030/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5304] exit_group(0 [pid 5305] +++ exited with 0 +++ [pid 5304] <... exit_group resumed>) = ? [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./1008/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] openat(AT_FDCWD, "./1008/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5305, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] getdents64(4 [pid 309] <... openat resumed>) = 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] close(4 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] fstat(4 [pid 310] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./1015/config" [pid 309] getdents64(4 [pid 5304] +++ exited with 0 +++ [pid 310] close(4 [pid 308] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(3 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5304, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rmdir("./1030/config" [pid 308] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 308] rmdir("./1015" [pid 310] <... rmdir resumed>) = 0 [pid 309] close(4 [pid 308] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 308] mkdir("./1016", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] rmdir("./1008/config" [pid 308] <... mkdir resumed>) = 0 [pid 310] close(3 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... close resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5306 attached [pid 310] rmdir("./1030" [pid 309] getdents64(3 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5306 [pid 308] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5306] set_robust_list(0x55556c898760, 24 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 309] close(3 [pid 310] mkdir("./1031", 0777 [pid 309] <... close resumed>) = 0 [pid 5306] <... set_robust_list resumed>) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] rmdir("./1008" [pid 5306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 5306] chdir("./1016" [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] umount2("./955", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5306] <... chdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] mkdir("./1009", 0777 [pid 5306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5306] <... prctl resumed>) = 0 [pid 5306] setpgid(0, 0) = 0 [pid 309] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5307 attached [pid 5306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5307 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] openat(AT_FDCWD, "./955", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5307] set_robust_list(0x55556c898760, 24 [pid 5306] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5307] <... set_robust_list resumed>) = 0 [pid 5306] write(3, "1000", 4 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 3 [pid 5307] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5307] chdir("./1031") = 0 [pid 5307] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5307] setpgid(0, 0) = 0 [pid 306] fstat(3 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5308 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5307] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5307] <... openat resumed>) = 3 [pid 306] umount2("./955/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5307] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5307] <... write resumed>) = 4 [pid 5307] close(3) = 0 [pid 306] newfstatat(AT_FDCWD, "./955/binderfs" [pid 5307] symlink("/dev/binderfs", "./binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5307] <... symlink resumed>) = 0 [pid 5306] <... write resumed>) = 4 [pid 306] unlink("./955/binderfs"ci2-android-6-1/strace-static-x86_64: Process 5308 attached [pid 5308] set_robust_list(0x55556c898760, 24 [pid 306] <... unlink resumed>) = 0 [pid 5308] <... set_robust_list resumed>) = 0 [pid 306] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = 0 [pid 5308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5308] chdir("./1009" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5308] <... chdir resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./955/config" [pid 5308] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5308] <... prctl resumed>) = 0 [pid 5308] setpgid(0, 0) = 0 [pid 306] umount2("./955/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5308] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5308] <... openat resumed>) = 3 [pid 5307] write(1, "executing program\n", 18 [pid 5306] close(3 [pid 306] openat(AT_FDCWD, "./955/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5308] write(3, "1000", 4) = 4 [pid 5308] close(3) = 0 [pid 306] <... openat resumed>) = 4 [pid 5308] symlink("/dev/binderfs", "./binderfs" executing program [pid 306] fstat(4 [pid 5308] <... symlink resumed>) = 0 [pid 5307] <... write resumed>) = 18 [pid 5306] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5308] write(1, "executing program\n", 18) = 18 executing program [pid 306] getdents64(4 [pid 5308] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5308] <... mkdirat resumed>) = 0 [pid 5307] mkdirat(AT_FDCWD, "./config", 0777 [pid 5306] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(4 [pid 5308] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5308] <... mount resumed>) = 0 [pid 306] close(4 [pid 5308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] <... close resumed>) = 0 [pid 5308] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 306] rmdir("./955/config" [pid 5308] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5308] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] <... rmdir resumed>) = 0 [pid 307] umount2("./981", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./981", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3 [pid 5308] <... symlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] <... close resumed>) = 0 [pid 307] fstat(3 [pid 306] rmdir("./955" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5308] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5308] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] mkdir("./956", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5308] <... unlinkat resumed>) = 0 [pid 307] umount2("./981/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... mkdir resumed>) = 0 [pid 5308] exit_group(0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] newfstatat(AT_FDCWD, "./981/binderfs" [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] unlink("./981/binderfs" [pid 5306] <... symlink resumed>) = 0 [pid 5308] <... exit_group resumed>) = ? [pid 5308] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 5309 attached [pid 307] <... unlink resumed>) = 0 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5309 [pid 5306] write(1, "executing program\n", 18 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5308, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] umount2("./981/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5306] <... write resumed>) = 18 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5309] set_robust_list(0x55556c898760, 24 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./981/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5306] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5309] <... set_robust_list resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./981/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./981/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./981/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... openat resumed>) = 4 [pid 5309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] fstat(4 [pid 5309] chdir("./956" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5309] <... chdir resumed>) = 0 [pid 307] getdents64(4 [pid 5309] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5309] setpgid(0, 0 [pid 307] getdents64(4 [pid 5309] <... setpgid resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5309] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] close(4 [pid 5309] write(3, "1000", 4 [pid 307] <... close resumed>) = 0 [pid 5309] <... write resumed>) = 4 [pid 307] rmdir("./981/config" [pid 5309] close(3) = 0 [pid 5309] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5307] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5306] <... mkdirat resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] getdents64(3 [pid 5307] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 309] umount2("./1009", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... close resumed>) = 0 [pid 5309] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rmdir("./981" [pid 5307] <... mount resumed>) = 0 [pid 309] openat(AT_FDCWD, "./1009", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5306] mount(NULL, "./config", "configfs", 0, NULL [pid 5309] <... write resumed>) = 18 [pid 5306] <... mount resumed>) = 0 [pid 5309] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... rmdir resumed>) = 0 executing program [pid 5307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 3 [pid 307] mkdir("./982", 0777 [pid 309] fstat(3 [pid 5307] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5309] <... mkdirat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 5307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] getdents64(3 [pid 5307] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5307] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5306] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] umount2("./1009/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5306] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5306] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5306] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5309] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5310 [pid 5307] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] newfstatat(AT_FDCWD, "./1009/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5307] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] unlink("./1009/binderfs" [pid 5309] <... mount resumed>) = 0 [pid 5309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... unlink resumed>) = 0 [pid 5307] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./1009/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5309] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5307] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = 0 [pid 5306] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./1009/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5307] <... unlinkat resumed>) = 0 [pid 5307] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5306] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] newfstatat(AT_FDCWD, "./1009/config" [pid 5309] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5306] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5307] <... unlinkat resumed>) = 0 [pid 5309] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5306] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 309] umount2("./1009/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5307] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5310 attached [pid 5309] <... mkdirat resumed>) = 0 [pid 5307] <... exit_group resumed>) = ? [pid 5306] exit_group(0 [pid 309] openat(AT_FDCWD, "./1009/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5309] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5306] <... exit_group resumed>) = ? [pid 309] <... openat resumed>) = 4 [pid 5309] <... symlinkat resumed>) = 0 [pid 5307] +++ exited with 0 +++ [pid 5306] +++ exited with 0 +++ [pid 309] fstat(4 [pid 5309] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5307, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5306, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5309] <... unlinkat resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] getdents64(4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5309] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5309] <... unlinkat resumed>) = 0 [pid 309] getdents64(4 [pid 5310] set_robust_list(0x55556c898760, 24 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 5309] exit_group(0 [pid 309] <... close resumed>) = 0 [pid 5309] <... exit_group resumed>) = ? [pid 309] rmdir("./1009/config" [pid 5310] <... set_robust_list resumed>) = 0 [pid 5309] +++ exited with 0 +++ [pid 309] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5309, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] close(3 [pid 5310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 5310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./1009" [pid 5310] chdir("./982") = 0 [pid 5310] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... rmdir resumed>) = 0 [pid 5310] <... prctl resumed>) = 0 [pid 309] mkdir("./1010", 0777 [pid 5310] setpgid(0, 0) = 0 [pid 5310] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5310] write(3, "1000", 4) = 4 [pid 5310] close(3) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 5310] symlink("/dev/binderfs", "./binderfs" [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5310] <... symlink resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5310] write(1, "executing program\n", 18 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5310] <... write resumed>) = 18 [pid 5310] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 5310] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5311 [pid 5310] <... mount resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5310] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5310] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5310] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5310] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5310] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5310] exit_group(0) = ? [pid 5310] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 5311 attached [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5310, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5311] set_robust_list(0x55556c898760, 24 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5311] <... set_robust_list resumed>) = 0 [pid 310] umount2("./1031", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./1016", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./1031", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./1016", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 306] umount2("./956", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(3 [pid 308] fstat(3 [pid 5311] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5311] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(3 [pid 308] getdents64(3 [pid 307] umount2("./982", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5311] chdir("./1010" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] openat(AT_FDCWD, "./956", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5311] <... chdir resumed>) = 0 [pid 310] umount2("./1031/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./1016/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5311] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./982", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 5311] <... prctl resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1031/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 5311] setpgid(0, 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./1016/binderfs" [pid 307] fstat(3 [pid 306] fstat(3 [pid 5311] <... setpgid resumed>) = 0 [pid 310] unlink("./1031/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5311] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... unlink resumed>) = 0 [pid 308] unlink("./1016/binderfs" [pid 307] getdents64(3 [pid 306] getdents64(3 [pid 310] umount2("./1031/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./1016/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./956/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./982/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./1031/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./982/binderfs" [pid 306] newfstatat(AT_FDCWD, "./956/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./1016/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./1031/config" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5311] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] newfstatat(AT_FDCWD, "./1016/config" [pid 307] unlink("./982/binderfs" [pid 306] unlink("./956/binderfs" [pid 5311] write(3, "1000", 4 [pid 310] umount2("./1031/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... unlink resumed>) = 0 [pid 5311] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./1016/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./982/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... unlink resumed>) = 0 [pid 5311] close(3 [pid 310] openat(AT_FDCWD, "./1031/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 306] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 308] openat(AT_FDCWD, "./1016/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./982/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5311] <... close resumed>) = 0 [pid 310] fstat(4 [pid 308] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 5311] symlink("/dev/binderfs", "./binderfs" [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(4 [pid 307] newfstatat(AT_FDCWD, "./982/config" [pid 306] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./982/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 310] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./956/config" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] openat(AT_FDCWD, "./982/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(4 [pid 308] getdents64(4 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 4 [pid 310] rmdir("./1031/config" [pid 308] close(4 [pid 307] fstat(4 [pid 306] umount2("./956/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5311] <... symlink resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5311] write(1, "executing program\n", 18 [pid 310] getdents64(3 [pid 308] rmdir("./1016/config" [pid 307] getdents64(4 [pid 306] openat(AT_FDCWD, "./956/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5311] <... write resumed>) = 18 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 executing program [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] close(3 [pid 308] getdents64(3 [pid 307] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 310] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./1031" [pid 306] fstat(4 [pid 5311] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 310] <... rmdir resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] mkdir("./1032", 0777 [pid 308] close(3 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... mkdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 307] rmdir("./982/config" [pid 306] getdents64(4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] rmdir("./1016" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] close(4) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] rmdir("./956/config" [pid 5311] <... mkdirat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] mkdir("./1017", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3 [pid 306] <... rmdir resumed>) = 0 [pid 5311] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 5311] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] rmdir("./982" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 5312 attached [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5312 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5311] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5311] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 ci2-android-6-1/strace-static-x86_64: Process 5313 attached [pid 5312] set_robust_list(0x55556c898760, 24 [pid 5311] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5313 [pid 307] mkdir("./983", 0777 [pid 306] <... close resumed>) = 0 [pid 5311] <... symlinkat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5311] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5311] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5312] <... set_robust_list resumed>) = 0 [pid 5311] <... unlinkat resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] rmdir("./956" [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5311] exit_group(0) = ? [pid 5313] set_robust_list(0x55556c898760, 24 [pid 5312] rt_sigprocmask(SIG_SETMASK, [] [pid 5311] +++ exited with 0 +++ [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5313] <... set_robust_list resumed>) = 0 [pid 5312] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5311, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] mkdir("./957", 0777 [pid 5313] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5313] chdir("./1017") = 0 [pid 5313] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5313] setpgid(0, 0) = 0 [pid 306] <... mkdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5314 attached [pid 5312] chdir("./1032" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5314 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5312] <... chdir resumed>) = 0 [pid 5314] set_robust_list(0x55556c898760, 24 [pid 5313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5312] <... prctl resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5314] <... set_robust_list resumed>) = 0 [pid 5312] setpgid(0, 0 [pid 5313] <... openat resumed>) = 3 [pid 5313] write(3, "1000", 4) = 4 [pid 5313] close(3) = 0 [pid 5313] symlink("/dev/binderfs", "./binderfs" [pid 5314] rt_sigprocmask(SIG_SETMASK, [] [pid 5313] <... symlink resumed>) = 0 [pid 5312] <... setpgid resumed>) = 0 [pid 5313] write(1, "executing program\n", 18 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5315 [pid 5314] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5313] <... write resumed>) = 18 [pid 5313] mkdirat(AT_FDCWD, "./config", 0777 [pid 5312] <... openat resumed>) = 3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 5314] chdir("./983" [pid 5312] write(3, "1000", 4 [pid 5314] <... chdir resumed>) = 0 [pid 5313] <... mkdirat resumed>) = 0 [pid 5312] <... write resumed>) = 4 [pid 5313] mount(NULL, "./config", "configfs", 0, NULL [pid 5314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5312] close(3 [pid 5313] <... mount resumed>) = 0 [pid 5312] <... close resumed>) = 0 [pid 5314] <... prctl resumed>) = 0 [pid 5312] symlink("/dev/binderfs", "./binderfs" [pid 5313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5312] <... symlink resumed>) = 0 [pid 5314] setpgid(0, 0) = 0 [pid 5313] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5312] write(1, "executing program\n", 18 [pid 5313] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5312] <... write resumed>) = 18 executing program [pid 5314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5313] <... mkdirat resumed>) = 0 [pid 5312] mkdirat(AT_FDCWD, "./config", 0777 [pid 5313] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5313] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5313] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5312] <... mkdirat resumed>) = 0 [pid 5314] <... openat resumed>) = 3 [pid 5312] mount(NULL, "./config", "configfs", 0, NULL [pid 5313] exit_group(0 [pid 5312] <... mount resumed>) = 0 [pid 5314] write(3, "1000", 4 [pid 5312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5313] <... exit_group resumed>) = ? [pid 5312] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5314] <... write resumed>) = 4 [pid 5312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5314] close(3 [pid 5313] +++ exited with 0 +++ [pid 5312] <... mkdirat resumed>) = -1 EEXIST (File exists) ci2-android-6-1/strace-static-x86_64: Process 5315 attached [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5313, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5314] <... close resumed>) = 0 [pid 5312] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5314] symlink("/dev/binderfs", "./binderfs" [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5315] set_robust_list(0x55556c898760, 24) = 0 [pid 5315] rt_sigprocmask(SIG_SETMASK, [] [pid 5312] <... mkdirat resumed>) = 0 [pid 5315] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5312] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5315] chdir("./957" [pid 5312] <... symlinkat resumed>) = 0 [pid 5315] <... chdir resumed>) = 0 [pid 5314] <... symlink resumed>) = 0 [pid 5312] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5315] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5312] <... unlinkat resumed>) = 0 [pid 5314] write(1, "executing program\n", 18 [pid 5312] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5315] setpgid(0, 0) = 0 [pid 5315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5314] <... write resumed>) = 18 [pid 5312] <... unlinkat resumed>) = 0 [pid 5315] <... openat resumed>) = 3 [pid 5312] exit_group(0 [pid 5315] write(3, "1000", 4 [pid 5312] <... exit_group resumed>) = ? [pid 5314] mkdirat(AT_FDCWD, "./config", 0777 [pid 5315] <... write resumed>) = 4 [pid 5315] close(3) = 0 [pid 5315] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5312] +++ exited with 0 +++ [pid 5315] write(1, "executing program\n", 18) = 18 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5312, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5315] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5315] <... mkdirat resumed>) = 0 [pid 5314] <... mkdirat resumed>) = 0 [pid 5315] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5314] mount(NULL, "./config", "configfs", 0, NULL executing program [pid 5315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5315] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5315] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5314] <... mount resumed>) = 0 [pid 5315] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 5315] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5315] <... unlinkat resumed>) = 0 [pid 5314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... restart_syscall resumed>) = 0 [pid 5315] exit_group(0 [pid 5314] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] umount2("./1032", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5315] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5315] +++ exited with 0 +++ [pid 5314] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] openat(AT_FDCWD, "./1032", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 308] umount2("./1017", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5315, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5314] <... mkdirat resumed>) = 0 [pid 310] fstat(3 [pid 5314] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 308] openat(AT_FDCWD, "./1017", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5314] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... openat resumed>) = 3 [pid 5314] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./1032/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5314] <... unlinkat resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1032/binderfs" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5314] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./1032/binderfs" [pid 309] umount2("./1010", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(3 [pid 5314] <... unlinkat resumed>) = 0 [pid 5314] exit_group(0) = ? [pid 5314] +++ exited with 0 +++ [pid 310] <... unlink resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] openat(AT_FDCWD, "./1010", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] umount2("./1017/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1032/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... openat resumed>) = 3 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = 0 [pid 309] fstat(3 [pid 310] umount2("./1032/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] newfstatat(AT_FDCWD, "./1017/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] getdents64(3 [pid 307] umount2("./983", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] unlink("./1017/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] umount2("./1010/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./957", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./1017/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./983", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./1032/config" [pid 309] newfstatat(AT_FDCWD, "./1010/binderfs" [pid 308] <... umount2 resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] openat(AT_FDCWD, "./957", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./1017/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] fstat(3 [pid 310] umount2("./1032/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] unlink("./1010/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./1032/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./1017/config" [pid 307] getdents64(3 [pid 306] fstat(3 [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./1010/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./983/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = 0 [pid 308] umount2("./1017/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./1010/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./983/binderfs" [pid 306] umount2("./957/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1017/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] newfstatat(AT_FDCWD, "./1010/config" [pid 308] <... openat resumed>) = 4 [pid 307] unlink("./983/binderfs" [pid 306] newfstatat(AT_FDCWD, "./957/binderfs" [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(4 [pid 310] close(4 [pid 309] umount2("./1010/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] umount2("./983/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./957/binderfs" [pid 310] rmdir("./1032/config" [pid 309] openat(AT_FDCWD, "./1010/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... openat resumed>) = 4 [pid 308] getdents64(4 [pid 306] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./983/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./983/config" [pid 306] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 308] <... close resumed>) = 0 [pid 307] umount2("./983/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = 0 [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] rmdir("./1017/config" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 307] openat(AT_FDCWD, "./983/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 307] fstat(4 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rmdir("./1032" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] getdents64(3 [pid 307] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./957/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 309] close(4 [pid 310] mkdir("./1033", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./983/config" [pid 310] <... mkdir resumed>) = 0 [pid 309] rmdir("./1010/config" [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./957/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(3 [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(3 [pid 308] <... close resumed>) = 0 [pid 307] close(3 [pid 306] openat(AT_FDCWD, "./957/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] rmdir("./1017" [pid 307] <... close resumed>) = 0 [pid 307] rmdir("./983" [pid 306] <... openat resumed>) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./984", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5316 [pid 309] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] fstat(4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... close resumed>) = 0 [pid 308] mkdir("./1018", 0777 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rmdir("./1010" [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5317 [pid 309] <... rmdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] mkdir("./1011", 0777 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 ci2-android-6-1/strace-static-x86_64: Process 5316 attached [pid 5316] set_robust_list(0x55556c898760, 24 [pid 309] <... mkdir resumed>) = 0 [pid 306] getdents64(4 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(4 [pid 5316] <... set_robust_list resumed>) = 0 [pid 5316] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5316] chdir("./1033") = 0 [pid 5316] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5318 [pid 5316] setpgid(0, 0) = 0 [pid 5316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5316] write(3, "1000", 4) = 4 [pid 306] rmdir("./957/config" [pid 5316] close(3 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5316] <... close resumed>) = 0 [pid 5316] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5319 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5316] write(1, "executing program\n", 18 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] getdents64(3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5316] <... write resumed>) = 18 executing program [pid 5316] mkdirat(AT_FDCWD, "./config", 0777ci2-android-6-1/strace-static-x86_64: Process 5319 attached ci2-android-6-1/strace-static-x86_64: Process 5317 attached ) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5316] mount(NULL, "./config", "configfs", 0, NULL [pid 306] close(3 [pid 5316] <... mount resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 5316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 306] rmdir("./957" [pid 5316] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5316] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5316] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] mkdir("./958", 0777 [pid 5316] <... symlinkat resumed>) = 0 [pid 5316] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5316] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... mkdir resumed>) = 0 [pid 5316] <... unlinkat resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5316] exit_group(0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5319] set_robust_list(0x55556c898760, 24 [pid 5316] <... exit_group resumed>) = ? [pid 5319] <... set_robust_list resumed>) = 0 [pid 5317] set_robust_list(0x55556c898760, 24 [pid 5316] +++ exited with 0 +++ [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5318 attached [pid 5318] set_robust_list(0x55556c898760, 24) = 0 [pid 5318] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5318] chdir("./1018" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5316, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5320 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5318] <... chdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5318] <... prctl resumed>) = 0 [pid 5318] setpgid(0, 0) = 0 [pid 5318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5318] write(3, "1000", 4 [pid 5319] rt_sigprocmask(SIG_SETMASK, [] [pid 5318] <... write resumed>) = 4 [pid 5318] close(3) = 0 [pid 5318] symlink("/dev/binderfs", "./binderfs" [pid 5319] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5318] <... symlink resumed>) = 0 [pid 5317] <... set_robust_list resumed>) = 0 [pid 5318] write(1, "executing program\n", 18) = 18 executing program [pid 5318] mkdirat(AT_FDCWD, "./config", 0777 [pid 5319] chdir("./1011" [pid 5318] <... mkdirat resumed>) = 0 [pid 5318] mount(NULL, "./config", "configfs", 0, NULL [pid 5317] rt_sigprocmask(SIG_SETMASK, [] [pid 5318] <... mount resumed>) = 0 [pid 5319] <... chdir resumed>) = 0 [pid 5318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5318] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5317] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5319] <... prctl resumed>) = 0 [pid 5318] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5318] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5319] setpgid(0, 0 [pid 5318] <... mkdirat resumed>) = 0 [pid 5317] chdir("./984" [pid 5318] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5319] <... setpgid resumed>) = 0 [pid 5318] <... symlinkat resumed>) = 0 [pid 5317] <... chdir resumed>) = 0 [pid 5318] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5318] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5318] <... unlinkat resumed>) = 0 [pid 5317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5318] exit_group(0) = ? [pid 5319] <... openat resumed>) = 3 [pid 5318] +++ exited with 0 +++ [pid 5317] <... prctl resumed>) = 0 [pid 5319] write(3, "1000", 4ci2-android-6-1/strace-static-x86_64: Process 5320 attached ) = 4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5320] set_robust_list(0x55556c898760, 24 [pid 5319] close(3 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5320] <... set_robust_list resumed>) = 0 [pid 5319] <... close resumed>) = 0 [pid 5317] setpgid(0, 0 [pid 5320] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5320] chdir("./958" [pid 5319] symlink("/dev/binderfs", "./binderfs" [pid 5317] <... setpgid resumed>) = 0 [pid 5320] <... chdir resumed>) = 0 [pid 5320] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5320] setpgid(0, 0) = 0 [pid 5320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5320] write(3, "1000", 4) = 4 [pid 5319] <... symlink resumed>) = 0 [pid 5320] close(3 [pid 5317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5319] write(1, "executing program\n", 18 [pid 5320] <... close resumed>) = 0 executing program [pid 5320] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5319] <... write resumed>) = 18 [pid 5317] <... openat resumed>) = 3 [pid 5320] write(1, "executing program\n", 18) = 18 executing program [pid 5320] mkdirat(AT_FDCWD, "./config", 0777 [pid 5319] mkdirat(AT_FDCWD, "./config", 0777 [pid 5317] write(3, "1000", 4 [pid 310] <... restart_syscall resumed>) = 0 [pid 5320] <... mkdirat resumed>) = 0 [pid 310] umount2("./1033", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5319] <... mkdirat resumed>) = 0 [pid 5317] <... write resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5319] mount(NULL, "./config", "configfs", 0, NULL [pid 5317] close(3 [pid 310] openat(AT_FDCWD, "./1033", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5320] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 3 [pid 5320] <... mount resumed>) = 0 [pid 5319] <... mount resumed>) = 0 [pid 5317] <... close resumed>) = 0 [pid 310] fstat(3 [pid 5320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5317] symlink("/dev/binderfs", "./binderfs" [pid 5319] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(3 [pid 5320] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] umount2("./1033/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5319] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5320] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5319] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5317] <... symlink resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1033/binderfs" [pid 5320] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5320] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5319] <... mkdirat resumed>) = 0 [pid 5317] write(1, "executing program\n", 18 [pid 310] unlink("./1033/binderfs" [pid 5319] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5317] <... write resumed>) = 18 [pid 308] <... restart_syscall resumed>) = 0 [pid 5320] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5319] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] <... unlink resumed>) = 0 [pid 5319] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5317] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] umount2("./1033/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5320] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] umount2("./1018", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1033/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1018", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] newfstatat(AT_FDCWD, "./1033/config" [pid 5319] <... unlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] fstat(3 [pid 5319] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] umount2("./1033/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 310] openat(AT_FDCWD, "./1033/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5320] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... openat resumed>) = 4 [pid 308] umount2("./1018/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] fstat(4 [pid 5320] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] newfstatat(AT_FDCWD, "./1018/binderfs" [pid 5319] <... unlinkat resumed>) = 0 [pid 310] getdents64(4 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5320] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] unlink("./1018/binderfs" [pid 5319] exit_group(0 [pid 310] getdents64(4 [pid 5320] exit_group(0 [pid 308] <... unlink resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5319] <... exit_group resumed>) = ? [pid 308] umount2("./1018/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] close(4 [pid 5320] <... exit_group resumed>) = ? [pid 5320] +++ exited with 0 +++ [pid 5319] +++ exited with 0 +++ [pid 5317] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 5317] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rmdir("./1033/config" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./1018/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5320, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- executing program [pid 310] <... rmdir resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] getdents64(3 [pid 308] newfstatat(AT_FDCWD, "./1018/config" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5317] <... mount resumed>) = 0 [pid 310] close(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 308] umount2("./1018/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] rmdir("./1033" [pid 5317] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... restart_syscall resumed>) = 0 [pid 5317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... rmdir resumed>) = 0 [pid 308] openat(AT_FDCWD, "./1018/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5317] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] umount2("./958", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] mkdir("./1034", 0777 [pid 308] fstat(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5317] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./958", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5317] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] <... openat resumed>) = 3 [pid 5317] <... unlinkat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] getdents64(4 [pid 306] fstat(3 [pid 5317] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5317] exit_group(0) = ? ci2-android-6-1/strace-static-x86_64: Process 5321 attached [pid 5317] +++ exited with 0 +++ [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5321] set_robust_list(0x55556c898760, 24 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5321 [pid 308] getdents64(4 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5317, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(3 [pid 5321] <... set_robust_list resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] close(4 [pid 5321] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5321] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] rmdir("./1018/config" [pid 306] umount2("./958/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5321] chdir("./1034" [pid 308] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./958/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5321] <... chdir resumed>) = 0 [pid 308] close(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... close resumed>) = 0 [pid 306] unlink("./958/binderfs" [pid 308] rmdir("./1018" [pid 5321] <... prctl resumed>) = 0 [pid 5321] setpgid(0, 0) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... rmdir resumed>) = 0 [pid 306] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./1019", 0777 [pid 5321] write(3, "1000", 4 [pid 306] <... umount2 resumed>) = 0 [pid 5321] <... write resumed>) = 4 [pid 5321] close(3) = 0 [pid 5321] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... mkdir resumed>) = 0 executing program [pid 306] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./958/config" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5321] write(1, "executing program\n", 18 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5321] <... write resumed>) = 18 [pid 5321] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] umount2("./958/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5321] mount(NULL, "./config", "configfs", 0, NULL [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5322 [pid 5321] <... mount resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./984", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./958/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5321] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] openat(AT_FDCWD, "./984", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 4 [pid 5321] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... openat resumed>) = 3 [pid 306] fstat(4 [pid 5321] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] fstat(3ci2-android-6-1/strace-static-x86_64: Process 5322 attached [pid 5321] <... mkdirat resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5321] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] getdents64(3 [pid 5321] <... symlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] getdents64(4 [pid 5322] set_robust_list(0x55556c898760, 24 [pid 5321] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] umount2("./984/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5321] <... unlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5321] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] newfstatat(AT_FDCWD, "./984/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5322] <... set_robust_list resumed>) = 0 [pid 5321] <... unlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5321] exit_group(0 [pid 309] <... restart_syscall resumed>) = 0 [pid 307] unlink("./984/binderfs" [pid 306] getdents64(4 [pid 5321] <... exit_group resumed>) = ? [pid 307] <... unlink resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5322] rt_sigprocmask(SIG_SETMASK, [] [pid 5321] +++ exited with 0 +++ [pid 307] umount2("./984/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./1011", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(4 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5321, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./984/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... close resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] openat(AT_FDCWD, "./1011", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rmdir("./958/config" [pid 309] <... openat resumed>) = 3 [pid 307] newfstatat(AT_FDCWD, "./984/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./984/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./984/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(3 [pid 307] <... openat resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] fstat(4 [pid 306] getdents64(3 [pid 309] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] close(3 [pid 309] umount2("./1011/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... close resumed>) = 0 [pid 307] close(4) = 0 [pid 309] newfstatat(AT_FDCWD, "./1011/binderfs" [pid 307] rmdir("./984/config" [pid 306] rmdir("./958" [pid 5322] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(3) = 0 [pid 307] rmdir("./984" [pid 309] unlink("./1011/binderfs" [pid 5322] chdir("./1019" [pid 307] <... rmdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 307] mkdir("./985", 0777 [pid 5322] <... chdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 306] mkdir("./959", 0777 [pid 309] umount2("./1011/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 309] umount2("./1011/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5323 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] newfstatat(AT_FDCWD, "./1011/config" [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./1011/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5323 attached [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] set_robust_list(0x55556c898760, 24) = 0 [pid 5323] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5323] chdir("./985") = 0 [pid 5323] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] openat(AT_FDCWD, "./1011/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5324 [pid 5323] setpgid(0, 0 [pid 309] <... openat resumed>) = 4 [pid 5323] <... setpgid resumed>) = 0 [pid 309] fstat(4 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] umount2("./1034", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 310] openat(AT_FDCWD, "./1034", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... openat resumed>) = 3 [pid 309] getdents64(4 [pid 310] fstat(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(4 [pid 310] getdents64(3 [pid 309] <... close resumed>) = 0 [pid 5323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] rmdir("./1011/config" [pid 310] umount2("./1034/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5323] <... openat resumed>) = 3 [pid 5323] write(3, "1000", 4 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(3 [pid 310] newfstatat(AT_FDCWD, "./1034/binderfs" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] close(3 [pid 310] unlink("./1034/binderfs" [pid 309] <... close resumed>) = 0 [pid 5323] <... write resumed>) = 4 [pid 5323] close(3 [pid 310] <... unlink resumed>) = 0 [pid 309] rmdir("./1011" [pid 310] umount2("./1034/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5323] <... close resumed>) = 0 [pid 5323] symlink("/dev/binderfs", "./binderfs" [pid 309] <... rmdir resumed>) = 0 [pid 309] mkdir("./1012", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 5323] <... symlink resumed>) = 0 [pid 5323] write(1, "executing program\n", 18) = 18 [pid 5323] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... mkdir resumed>) = 0 [pid 310] umount2("./1034/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 executing program [pid 310] newfstatat(AT_FDCWD, "./1034/config" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5323] <... mkdirat resumed>) = 0 [pid 5323] mount(NULL, "./config", "configfs", 0, NULL [pid 310] umount2("./1034/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5325 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5323] <... mount resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] openat(AT_FDCWD, "./1034/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... openat resumed>) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5323] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 5323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5323] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 5323] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 ci2-android-6-1/strace-static-x86_64: Process 5325 attached [pid 5323] <... mkdirat resumed>) = 0 [pid 5322] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(4 [pid 5323] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5322] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 5323] <... symlinkat resumed>) = 0 [pid 5322] setpgid(0, 0 [pid 310] rmdir("./1034/config" [pid 5323] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5323] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5323] exit_group(0 [pid 5322] <... setpgid resumed>) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5323] <... exit_group resumed>) = ? [pid 310] getdents64(3 [pid 5325] set_robust_list(0x55556c898760, 24 [pid 5323] +++ exited with 0 +++ [pid 5322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5323, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... close resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rmdir("./1034"ci2-android-6-1/strace-static-x86_64: Process 5324 attached [pid 5324] set_robust_list(0x55556c898760, 24) = 0 [pid 5324] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./1035", 0777 [pid 5324] chdir("./959") = 0 [pid 5324] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5324] setpgid(0, 0) = 0 [pid 5324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... mkdir resumed>) = 0 [pid 5322] <... openat resumed>) = 3 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5322] write(3, "1000", 4 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5324] <... openat resumed>) = 3 [pid 5324] write(3, "1000", 4) = 4 [pid 5324] close(3) = 0 [pid 5324] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5322] <... write resumed>) = 4 [pid 5324] write(1, "executing program\n", 18 [pid 5322] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5326 [pid 5324] <... write resumed>) = 18 [pid 5324] mkdirat(AT_FDCWD, "./config", 0777 [pid 5322] <... close resumed>) = 0 executing program [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5325] <... set_robust_list resumed>) = 0 [pid 5324] <... mkdirat resumed>) = 0 [pid 5322] symlink("/dev/binderfs", "./binderfs" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5324] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5322] <... symlink resumed>) = 0 [pid 5324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5324] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5324] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5324] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5322] write(1, "executing program\n", 18 [pid 5324] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5322] <... write resumed>) = 18 executing program [pid 5324] <... unlinkat resumed>) = 0 [pid 5324] exit_group(0) = ? [pid 5322] mkdirat(AT_FDCWD, "./config", 0777 [pid 5324] +++ exited with 0 +++ [pid 5322] <... mkdirat resumed>) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5324, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5322] mount(NULL, "./config", "configfs", 0, NULL [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5326 attached [pid 5326] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5322] <... mount resumed>) = 0 [pid 5326] rt_sigprocmask(SIG_SETMASK, [] [pid 5322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5326] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./985", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5322] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] openat(AT_FDCWD, "./985", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... openat resumed>) = 3 [pid 5322] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5322] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5326] chdir("./1035" [pid 307] getdents64(3 [pid 5326] <... chdir resumed>) = 0 [pid 5326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5326] <... prctl resumed>) = 0 [pid 307] umount2("./985/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5326] setpgid(0, 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5322] <... mkdirat resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./985/binderfs" [pid 5326] <... setpgid resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5322] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] unlink("./985/binderfs" [pid 5326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... unlink resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 307] umount2("./985/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5326] <... openat resumed>) = 3 [pid 5325] rt_sigprocmask(SIG_SETMASK, [] [pid 5322] <... symlinkat resumed>) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./985/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5322] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] umount2("./959", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5326] write(3, "1000", 4 [pid 307] newfstatat(AT_FDCWD, "./985/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5322] <... unlinkat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./959", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5322] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] umount2("./985/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] fstat(3 [pid 307] openat(AT_FDCWD, "./985/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 4 [pid 306] getdents64(3 [pid 307] fstat(4 [pid 5326] <... write resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] umount2("./959/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5326] close(3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5322] <... unlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./959/binderfs" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(4 [pid 5322] exit_group(0 [pid 306] unlink("./959/binderfs" [pid 5326] <... close resumed>) = 0 [pid 5325] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... close resumed>) = 0 [pid 5326] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5325] chdir("./1012" [pid 5322] <... exit_group resumed>) = ? [pid 307] rmdir("./985/config" [pid 306] <... unlink resumed>) = 0 [pid 5326] write(1, "executing program\n", 18 [pid 307] <... rmdir resumed>) = 0 [pid 306] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 5326] <... write resumed>) = 18 [pid 5326] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 307] close(3 [pid 306] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5326] <... mkdirat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5322] +++ exited with 0 +++ [pid 307] rmdir("./985" [pid 306] newfstatat(AT_FDCWD, "./959/config" [pid 5325] <... chdir resumed>) = 0 executing program [pid 5326] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... rmdir resumed>) = 0 [pid 5325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5322, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] mkdir("./986", 0777 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] umount2("./959/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5326] <... mount resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 5325] <... prctl resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5325] setpgid(0, 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5325] <... setpgid resumed>) = 0 [pid 306] openat(AT_FDCWD, "./959/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... openat resumed>) = 4 [pid 5326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5326] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 306] fstat(4 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5327 [pid 5325] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5325] write(3, "1000", 4 [pid 307] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 5327 attached [pid 5325] <... write resumed>) = 4 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(4 [pid 5327] set_robust_list(0x55556c898760, 24 [pid 5325] close(3 [pid 5327] <... set_robust_list resumed>) = 0 [pid 5325] <... close resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5325] symlink("/dev/binderfs", "./binderfs" [pid 306] getdents64(4 [pid 5326] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5325] <... symlink resumed>) = 0 [pid 306] close(4 executing program [pid 5325] write(1, "executing program\n", 18 [pid 5327] rt_sigprocmask(SIG_SETMASK, [] [pid 5326] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5325] <... write resumed>) = 18 [pid 306] <... close resumed>) = 0 [pid 5327] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./959/config" [pid 5325] mkdirat(AT_FDCWD, "./config", 0777 [pid 5327] chdir("./986" [pid 5326] <... unlinkat resumed>) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5327] <... chdir resumed>) = 0 [pid 5326] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5325] <... mkdirat resumed>) = 0 [pid 306] getdents64(3 [pid 5327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5326] <... unlinkat resumed>) = 0 [pid 5325] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5327] <... prctl resumed>) = 0 [pid 5326] exit_group(0 [pid 5325] <... mount resumed>) = 0 [pid 308] umount2("./1019", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] close(3 [pid 5327] setpgid(0, 0 [pid 5326] <... exit_group resumed>) = ? [pid 5325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 5327] <... setpgid resumed>) = 0 [pid 5326] +++ exited with 0 +++ [pid 5325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] openat(AT_FDCWD, "./1019", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rmdir("./959" [pid 5327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... openat resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 5327] <... openat resumed>) = 3 [pid 5325] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5326, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] fstat(3 [pid 306] mkdir("./960", 0777 [pid 5327] write(3, "1000", 4 [pid 5325] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 5327] <... write resumed>) = 4 [pid 308] getdents64(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5327] close(3 [pid 5325] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5327] <... close resumed>) = 0 [pid 5325] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./1019/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5328 attached [pid 5327] symlink("/dev/binderfs", "./binderfs" [pid 5325] <... symlinkat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5328] set_robust_list(0x55556c898760, 24 [pid 5327] <... symlink resumed>) = 0 [pid 5325] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] newfstatat(AT_FDCWD, "./1019/binderfs" [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5328 [pid 5328] <... set_robust_list resumed>) = 0 [pid 5327] write(1, "executing program\n", 18 [pid 5325] <... unlinkat resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5328] rt_sigprocmask(SIG_SETMASK, [] [pid 5327] <... write resumed>) = 18 [pid 5325] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] unlink("./1019/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5328] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5327] mkdirat(AT_FDCWD, "./config", 0777 [pid 5325] <... unlinkat resumed>) = 0 [pid 5328] chdir("./960" [pid 5327] <... mkdirat resumed>) = 0 [pid 5325] exit_group(0 [pid 308] <... unlink resumed>) = 0 [pid 5325] <... exit_group resumed>) = ? [pid 308] umount2("./1019/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5327] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5325] +++ exited with 0 +++ [pid 5327] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... umount2 resumed>) = 0 [pid 5328] <... chdir resumed>) = 0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5325, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] umount2("./1019/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5328] <... prctl resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5328] setpgid(0, 0 [pid 308] newfstatat(AT_FDCWD, "./1019/config" [pid 5328] <... setpgid resumed>) = 0 [pid 5328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5327] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] umount2("./1019/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5328] <... openat resumed>) = 3 [pid 5327] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5328] write(3, "1000", 4 [pid 5327] <... mkdirat resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5328] <... write resumed>) = 4 [pid 5327] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5328] close(3 [pid 5327] <... symlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./1019/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5328] <... close resumed>) = 0 [pid 5327] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5328] symlink("/dev/binderfs", "./binderfs" [pid 5327] <... unlinkat resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 5327] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5328] <... symlink resumed>) = 0 [pid 5327] <... unlinkat resumed>) = 0 [pid 308] fstat(4 [pid 5328] write(1, "executing program\n", 18 executing program [pid 5327] exit_group(0 [pid 5328] <... write resumed>) = 18 [pid 5327] <... exit_group resumed>) = ? [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5328] mkdirat(AT_FDCWD, "./config", 0777 [pid 5327] +++ exited with 0 +++ [pid 308] getdents64(4 [pid 5328] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5327, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5328] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(4 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5328] <... mount resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 5328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] close(4) = 0 [pid 5328] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] umount2("./1012", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./1019/config" [pid 310] umount2("./1035", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./1012", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./986", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5328] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] openat(AT_FDCWD, "./1035", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 5328] <... mkdirat resumed>) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./986", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] fstat(3 [pid 309] getdents64(3 [pid 308] close(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... openat resumed>) = 3 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] getdents64(3 [pid 307] fstat(3 [pid 309] umount2("./1012/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./1035/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./1019" [pid 307] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./1012/binderfs" [pid 5328] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] newfstatat(AT_FDCWD, "./1035/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] mkdir("./1020", 0777 [pid 307] umount2("./986/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5328] <... symlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] unlink("./1012/binderfs" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5328] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./986/binderfs" [pid 310] unlink("./1035/binderfs" [pid 309] <... unlink resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5328] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] umount2("./1012/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] unlink("./986/binderfs" [pid 5328] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] umount2("./1035/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... unlink resumed>) = 0 [pid 309] umount2("./1012/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5328] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./986/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5328] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 5329 attached [pid 5328] +++ exited with 0 +++ [pid 310] umount2("./1035/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./1012/config" [pid 307] <... umount2 resumed>) = 0 [pid 5329] set_robust_list(0x55556c898760, 24 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5329 [pid 307] umount2("./986/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5328, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5329] <... set_robust_list resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1035/config" [pid 309] umount2("./1012/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./986/config" [pid 5329] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] umount2("./1035/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./1012/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./960", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5329] chdir("./1020" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 307] umount2("./986/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] <... chdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1035/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./960", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... openat resumed>) = 4 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] openat(AT_FDCWD, "./986/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 5329] <... prctl resumed>) = 0 [pid 310] fstat(4 [pid 309] getdents64(4 [pid 307] <... openat resumed>) = 4 [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5329] setpgid(0, 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] fstat(4 [pid 306] getdents64(3 [pid 5329] <... setpgid resumed>) = 0 [pid 310] getdents64(4 [pid 309] getdents64(4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 306] umount2("./960/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] getdents64(4 [pid 309] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] <... openat resumed>) = 3 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 306] newfstatat(AT_FDCWD, "./960/binderfs" [pid 5329] write(3, "1000", 4 [pid 310] close(4 [pid 309] rmdir("./1012/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] <... close resumed>) = 0 [pid 306] unlink("./960/binderfs" [pid 5329] <... write resumed>) = 4 [pid 310] rmdir("./1035/config" [pid 309] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 306] <... unlink resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 306] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5329] close(3 [pid 310] <... rmdir resumed>) = 0 [pid 309] getdents64(3 [pid 307] rmdir("./986/config" [pid 306] <... umount2 resumed>) = 0 [pid 310] getdents64(3 [pid 306] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5329] <... close resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5329] symlink("/dev/binderfs", "./binderfs" [pid 310] close(3 [pid 309] close(3 [pid 307] getdents64(3 [pid 306] newfstatat(AT_FDCWD, "./960/config" [pid 310] <... close resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5329] <... symlink resumed>) = 0 [pid 310] rmdir("./1035" [pid 309] rmdir("./1012" [pid 307] close(3 [pid 306] umount2("./960/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5329] write(1, "executing program\n", 18 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./960/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 4 [pid 306] fstat(4 [pid 5329] <... write resumed>) = 18 [pid 310] mkdir("./1036", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 307] rmdir("./986" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 executing program [pid 306] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] getdents64(4 [pid 310] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 5329] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] mkdir("./1013", 0777 [pid 307] mkdir("./987", 0777 [pid 306] <... close resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rmdir("./960/config" [pid 309] <... mkdir resumed>) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... mkdir resumed>) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 306] rmdir("./960" [pid 5329] <... mkdirat resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 5329] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5330 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] mkdir("./961", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5333 attached ci2-android-6-1/strace-static-x86_64: Process 5331 attached [pid 5329] <... mount resumed>) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5331 [pid 5333] set_robust_list(0x55556c898760, 24 [pid 5331] set_robust_list(0x55556c898760, 24 [pid 5329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5332 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5333 [pid 5333] <... set_robust_list resumed>) = 0 [pid 5331] <... set_robust_list resumed>) = 0 [pid 5329] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5333] rt_sigprocmask(SIG_SETMASK, [] [pid 5329] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5329] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5333] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5331] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 5330 attached [pid 5329] <... mkdirat resumed>) = 0 [pid 5333] chdir("./961" [pid 5331] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5329] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5333] <... chdir resumed>) = 0 [pid 5333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5329] <... symlinkat resumed>) = 0 [pid 5331] chdir("./1013" [pid 5329] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5333] <... prctl resumed>) = 0 [pid 5331] <... chdir resumed>) = 0 [pid 5333] setpgid(0, 0 [pid 5331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5329] <... unlinkat resumed>) = 0 [pid 5333] <... setpgid resumed>) = 0 [pid 5331] <... prctl resumed>) = 0 [pid 5329] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5331] setpgid(0, 0 [pid 5329] <... unlinkat resumed>) = 0 [pid 5330] set_robust_list(0x55556c898760, 24 [pid 5329] exit_group(0 [pid 5333] <... openat resumed>) = 3 [pid 5331] <... setpgid resumed>) = 0 [pid 5333] write(3, "1000", 4 [pid 5329] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 5332 attached [pid 5330] <... set_robust_list resumed>) = 0 [pid 5332] set_robust_list(0x55556c898760, 24 [pid 5329] +++ exited with 0 +++ [pid 5333] <... write resumed>) = 4 [pid 5332] <... set_robust_list resumed>) = 0 [pid 5331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5330] rt_sigprocmask(SIG_SETMASK, [] [pid 5333] close(3) = 0 [pid 5332] rt_sigprocmask(SIG_SETMASK, [] [pid 5331] <... openat resumed>) = 3 [pid 5330] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5329, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5333] symlink("/dev/binderfs", "./binderfs" [pid 5331] write(3, "1000", 4 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5333] <... symlink resumed>) = 0 [pid 5332] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5331] <... write resumed>) = 4 [pid 5330] chdir("./1036" [pid 5333] write(1, "executing program\n", 18 [pid 5332] chdir("./987" [pid 5331] close(3 [pid 5333] <... write resumed>) = 18 executing program [pid 5333] mkdirat(AT_FDCWD, "./config", 0777 [pid 5332] <... chdir resumed>) = 0 [pid 5331] <... close resumed>) = 0 [pid 5330] <... chdir resumed>) = 0 [pid 5332] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5333] <... mkdirat resumed>) = 0 [pid 5331] symlink("/dev/binderfs", "./binderfs" [pid 5330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5333] mount(NULL, "./config", "configfs", 0, NULL [pid 5332] <... prctl resumed>) = 0 [pid 5332] setpgid(0, 0 [pid 5331] <... symlink resumed>) = 0 [pid 5330] <... prctl resumed>) = 0 [pid 5333] <... mount resumed>) = 0 [pid 5332] <... setpgid resumed>) = 0 [pid 5331] write(1, "executing program\n", 18 [pid 5330] setpgid(0, 0 [pid 5333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5331] <... write resumed>) = 18 [pid 5330] <... setpgid resumed>) = 0 executing program [pid 5333] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5332] <... openat resumed>) = 3 [pid 5331] mkdirat(AT_FDCWD, "./config", 0777 [pid 5330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5332] write(3, "1000", 4 [pid 5331] <... mkdirat resumed>) = 0 [pid 5330] <... openat resumed>) = 3 [pid 5333] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5332] <... write resumed>) = 4 [pid 5331] mount(NULL, "./config", "configfs", 0, NULL [pid 5330] write(3, "1000", 4 [pid 5333] <... mkdirat resumed>) = 0 [pid 5332] close(3 [pid 5330] <... write resumed>) = 4 [pid 308] <... restart_syscall resumed>) = 0 [pid 5333] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5332] <... close resumed>) = 0 [pid 5331] <... mount resumed>) = 0 [pid 5330] close(3 [pid 5333] <... symlinkat resumed>) = 0 [pid 5332] symlink("/dev/binderfs", "./binderfs" [pid 5331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5330] <... close resumed>) = 0 [pid 5333] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5332] <... symlink resumed>) = 0 [pid 5331] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5330] symlink("/dev/binderfs", "./binderfs" [pid 5333] <... unlinkat resumed>) = 0 [pid 5332] write(1, "executing program\n", 18 [pid 5331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5330] <... symlink resumed>) = 0 executing program [pid 5333] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5332] <... write resumed>) = 18 [pid 5331] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 5330] write(1, "executing program\n", 18 [pid 308] umount2("./1020", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5333] <... unlinkat resumed>) = 0 [pid 5332] mkdirat(AT_FDCWD, "./config", 0777 [pid 5331] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5330] <... write resumed>) = 18 [pid 5333] exit_group(0 [pid 5332] <... mkdirat resumed>) = 0 [pid 5330] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5333] <... exit_group resumed>) = ? [pid 5332] mount(NULL, "./config", "configfs", 0, NULL [pid 5331] <... mkdirat resumed>) = 0 [pid 5330] <... mkdirat resumed>) = 0 [pid 5332] <... mount resumed>) = 0 [pid 5330] mount(NULL, "./config", "configfs", 0, NULL [pid 308] openat(AT_FDCWD, "./1020", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5333] +++ exited with 0 +++ [pid 5332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5331] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5330] <... mount resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 5332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5331] <... symlinkat resumed>) = 0 [pid 5330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] fstat(3 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5333, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5331] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5330] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5331] <... unlinkat resumed>) = 0 [pid 5330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] getdents64(3 [pid 5332] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5331] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5330] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5332] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5330] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5332] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5331] <... unlinkat resumed>) = 0 [pid 5330] <... mkdirat resumed>) = 0 [pid 5332] <... symlinkat resumed>) = 0 [pid 5331] exit_group(0 [pid 5330] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] umount2("./1020/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5332] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5331] <... exit_group resumed>) = ? [pid 5330] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 5332] <... unlinkat resumed>) = 0 [pid 5330] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5332] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5330] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] newfstatat(AT_FDCWD, "./1020/binderfs" [pid 5332] <... unlinkat resumed>) = 0 [pid 5331] +++ exited with 0 +++ [pid 5330] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5332] exit_group(0 [pid 5330] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5332] <... exit_group resumed>) = ? [pid 5330] exit_group(0 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5331, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] unlink("./1020/binderfs" [pid 5332] +++ exited with 0 +++ [pid 5330] <... exit_group resumed>) = ? [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5330] +++ exited with 0 +++ [pid 308] <... unlink resumed>) = 0 [pid 308] umount2("./1020/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5330, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5332, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... umount2 resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] umount2("./1020/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./1020/config" [pid 310] <... restart_syscall resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./1020/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1036", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1020/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] openat(AT_FDCWD, "./1036", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... openat resumed>) = 4 [pid 310] <... openat resumed>) = 3 [pid 308] fstat(4 [pid 310] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(4 [pid 310] getdents64(3 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... restart_syscall resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] umount2("./1036/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... restart_syscall resumed>) = 0 [pid 308] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./961", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] newfstatat(AT_FDCWD, "./1036/binderfs" [pid 308] close(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./1013", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] openat(AT_FDCWD, "./961", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] unlink("./1036/binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 309] openat(AT_FDCWD, "./1013", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] rmdir("./1020/config" [pid 307] umount2("./987", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 310] umount2("./1036/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] fstat(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./961/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = 0 [pid 309] getdents64(3 [pid 308] getdents64(3 [pid 307] openat(AT_FDCWD, "./987", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./1036/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] newfstatat(AT_FDCWD, "./961/binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] umount2("./1013/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(3 [pid 307] fstat(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] newfstatat(AT_FDCWD, "./1036/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... close resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] unlink("./961/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] newfstatat(AT_FDCWD, "./1013/binderfs" [pid 308] rmdir("./1020" [pid 307] getdents64(3 [pid 306] <... unlink resumed>) = 0 [pid 310] umount2("./1036/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] unlink("./1013/binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1036/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... unlink resumed>) = 0 [pid 308] mkdir("./1021", 0777 [pid 307] umount2("./987/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 309] umount2("./1013/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./961/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] fstat(4 [pid 309] <... umount2 resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./961/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./1013/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] newfstatat(AT_FDCWD, "./987/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] getdents64(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] openat(AT_FDCWD, "./961/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] newfstatat(AT_FDCWD, "./1013/config" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] unlink("./987/binderfs" [pid 306] <... openat resumed>) = 4 [pid 310] getdents64(4 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 5334 attached [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] umount2("./1013/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... unlink resumed>) = 0 [pid 306] getdents64(4 [pid 5334] set_robust_list(0x55556c898760, 24 [pid 310] close(4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5334 [pid 307] umount2("./987/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5334] <... set_robust_list resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./1013/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = 0 [pid 306] getdents64(4 [pid 5334] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./1036/config" [pid 309] <... openat resumed>) = 4 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] umount2("./987/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5334] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] close(4 [pid 5334] chdir("./1021" [pid 310] <... rmdir resumed>) = 0 [pid 309] fstat(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... close resumed>) = 0 [pid 5334] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] newfstatat(AT_FDCWD, "./987/config" [pid 306] rmdir("./961/config" [pid 5334] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 5334] <... prctl resumed>) = 0 [pid 310] close(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] umount2("./987/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(3 [pid 5334] setpgid(0, 0 [pid 310] <... close resumed>) = 0 [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5334] <... setpgid resumed>) = 0 [pid 310] rmdir("./1036" [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] openat(AT_FDCWD, "./987/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] close(3) = 0 [pid 306] rmdir("./961" [pid 5334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 309] close(4 [pid 307] <... openat resumed>) = 4 [pid 306] <... rmdir resumed>) = 0 [pid 5334] <... openat resumed>) = 3 [pid 310] mkdir("./1037", 0777 [pid 309] <... close resumed>) = 0 [pid 307] fstat(4 [pid 306] mkdir("./962", 0777 [pid 5334] write(3, "1000", 4 [pid 310] <... mkdir resumed>) = 0 [pid 309] rmdir("./1013/config" [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] getdents64(4 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5335 attached [pid 5334] <... write resumed>) = 4 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5335] set_robust_list(0x55556c898760, 24 [pid 5334] close(3 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] getdents64(3 [pid 307] getdents64(4 [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5335 [pid 5335] <... set_robust_list resumed>) = 0 [pid 5334] <... close resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5335] rt_sigprocmask(SIG_SETMASK, [] executing program executing program [pid 307] close(4 [pid 5335] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5334] symlink("/dev/binderfs", "./binderfs" [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5336 [pid 309] close(3 [pid 307] <... close resumed>) = 0 [pid 5335] chdir("./962" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... close resumed>) = 0 [pid 307] rmdir("./987/config" [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./1013" [pid 5335] <... chdir resumed>) = 0 [pid 5335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... rmdir resumed>) = 0 [pid 5335] <... prctl resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 309] mkdir("./1014", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5335] setpgid(0, 0) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5334] <... symlink resumed>) = 0 [pid 307] rmdir("./987" [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5334] write(1, "executing program\n", 18 [pid 5335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 5335] <... openat resumed>) = 3 [pid 5335] write(3, "1000", 4 [pid 5334] <... write resumed>) = 18 [pid 307] mkdir("./988", 0777 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5337 [pid 5335] <... write resumed>) = 4 [pid 5335] close(3) = 0 [pid 5335] symlink("/dev/binderfs", "./binderfs") = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... mkdir resumed>) = 0 [pid 5334] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5335] write(1, "executing program\n", 18 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5335] <... write resumed>) = 18 [pid 5335] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5335] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5338 [pid 5335] <... mount resumed>) = 0 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5334] <... mkdirat resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5334] mount(NULL, "./config", "configfs", 0, NULL [pid 5335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5334] <... mount resumed>) = 0 [pid 5335] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5335] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777ci2-android-6-1/strace-static-x86_64: Process 5337 attached ) = 0 [pid 5334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5335] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5335] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5335] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5335] exit_group(0 [pid 5334] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5335] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 5336 attached [pid 5337] set_robust_list(0x55556c898760, 24 [pid 5335] +++ exited with 0 +++ [pid 5334] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5336] set_robust_list(0x55556c898760, 24 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5335, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5336] <... set_robust_list resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5336] rt_sigprocmask(SIG_SETMASK, [] [pid 5334] <... mkdirat resumed>) = 0 [pid 5334] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5336] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5336] chdir("./1037" [pid 5334] <... symlinkat resumed>) = 0 [pid 5334] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5336] <... chdir resumed>) = 0 [pid 5334] <... unlinkat resumed>) = 0 [pid 5336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5334] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5336] <... prctl resumed>) = 0 [pid 5336] setpgid(0, 0) = 0 [pid 5334] <... unlinkat resumed>) = 0 [pid 5336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5334] exit_group(0 [pid 5336] write(3, "1000", 4 [pid 5334] <... exit_group resumed>) = ? [pid 5336] <... write resumed>) = 4 [pid 5336] close(3) = 0 [pid 5336] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5336] write(1, "executing program\n", 18) = 18 [pid 5336] mkdirat(AT_FDCWD, "./config", 0777 [pid 5334] +++ exited with 0 +++ executing program [pid 5337] <... set_robust_list resumed>) = 0 [pid 5336] <... mkdirat resumed>) = 0 [pid 5336] mount(NULL, "./config", "configfs", 0, NULL [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5336] <... mount resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5337] rt_sigprocmask(SIG_SETMASK, [] [pid 5336] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5337] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5336] <... mkdirat resumed>) = 0 [pid 5336] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0"ci2-android-6-1/strace-static-x86_64: Process 5338 attached ) = 0 [pid 5338] set_robust_list(0x55556c898760, 24 [pid 5336] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5337] chdir("./1014" [pid 5338] <... set_robust_list resumed>) = 0 [pid 5336] <... unlinkat resumed>) = 0 [pid 5338] rt_sigprocmask(SIG_SETMASK, [] [pid 5336] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5338] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5336] <... unlinkat resumed>) = 0 [pid 5337] <... chdir resumed>) = 0 [pid 5338] chdir("./988" [pid 5336] exit_group(0 [pid 5338] <... chdir resumed>) = 0 [pid 5336] <... exit_group resumed>) = ? [pid 5338] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5336] +++ exited with 0 +++ [pid 5338] <... prctl resumed>) = 0 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5336, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5338] setpgid(0, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5338] <... setpgid resumed>) = 0 [pid 5338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5337] <... prctl resumed>) = 0 [pid 5338] <... openat resumed>) = 3 [pid 5337] setpgid(0, 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5338] write(3, "1000", 4) = 4 [pid 5338] close(3 [pid 306] umount2("./962", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5338] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5338] symlink("/dev/binderfs", "./binderfs" [pid 306] openat(AT_FDCWD, "./962", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5338] <... symlink resumed>) = 0 [pid 5337] <... setpgid resumed>) = 0 [pid 306] <... openat resumed>) = 3 [pid 5338] write(1, "executing program\n", 18 [pid 306] fstat(3 [pid 5338] <... write resumed>) = 18 executing program [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5338] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] getdents64(3 [pid 5338] <... mkdirat resumed>) = 0 [pid 5337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5338] mount(NULL, "./config", "configfs", 0, NULL [pid 306] umount2("./962/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5338] <... mount resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] umount2("./1037", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./962/binderfs" [pid 5338] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] openat(AT_FDCWD, "./1037", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] unlink("./962/binderfs" [pid 5338] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5337] <... openat resumed>) = 3 [pid 310] <... openat resumed>) = 3 [pid 306] <... unlink resumed>) = 0 [pid 5338] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5337] write(3, "1000", 4 [pid 310] fstat(3 [pid 306] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5338] <... mkdirat resumed>) = 0 [pid 5337] <... write resumed>) = 4 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 5338] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 306] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5338] <... symlinkat resumed>) = 0 [pid 5337] close(3 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5338] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5337] <... close resumed>) = 0 [pid 310] umount2("./1037/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./962/config" [pid 5338] <... unlinkat resumed>) = 0 [pid 5337] symlink("/dev/binderfs", "./binderfs" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5338] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] newfstatat(AT_FDCWD, "./1037/binderfs" [pid 306] umount2("./962/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5338] <... unlinkat resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5338] exit_group(0 [pid 5337] <... symlink resumed>) = 0 [pid 310] unlink("./1037/binderfs" [pid 306] openat(AT_FDCWD, "./962/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5338] <... exit_group resumed>) = ? [pid 306] <... openat resumed>) = 4 [pid 5338] +++ exited with 0 +++ [pid 5337] write(1, "executing program\n", 18 [pid 310] <... unlink resumed>) = 0 [pid 306] fstat(4 [pid 5337] <... write resumed>) = 18 [pid 310] umount2("./1037/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5338, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] getdents64(4 [pid 5337] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... umount2 resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./1037/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] newfstatat(AT_FDCWD, "./1037/config" [pid 306] close(4 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... close resumed>) = 0 [pid 310] umount2("./1037/config", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 306] rmdir("./962/config" [pid 5337] <... mkdirat resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rmdir resumed>) = 0 [pid 5337] mount(NULL, "./config", "configfs", 0, NULL [pid 310] openat(AT_FDCWD, "./1037/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] getdents64(3 [pid 310] <... openat resumed>) = 4 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] close(3) = 0 [pid 310] fstat(4 [pid 306] rmdir("./962" [pid 5337] <... mount resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 306] mkdir("./963", 0777 [pid 5337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] getdents64(4 [pid 308] <... restart_syscall resumed>) = 0 [pid 306] <... mkdir resumed>) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] getdents64(4 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 308] umount2("./1021", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5339 [pid 5337] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] <... close resumed>) = 0 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] rmdir("./1037/config" [pid 5337] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] openat(AT_FDCWD, "./1021", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5339 attached [pid 5339] set_robust_list(0x55556c898760, 24) = 0 [pid 5339] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 5339] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5339] chdir("./963" [pid 5337] <... mkdirat resumed>) = 0 [pid 5339] <... chdir resumed>) = 0 [pid 310] getdents64(3 [pid 308] fstat(3 [pid 5339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5339] <... prctl resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5339] setpgid(0, 0 [pid 310] close(3 [pid 308] getdents64(3 [pid 5339] <... setpgid resumed>) = 0 [pid 5337] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] <... close resumed>) = 0 [pid 307] umount2("./988", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5337] <... symlinkat resumed>) = 0 [pid 310] rmdir("./1037" [pid 308] umount2("./1021/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5339] <... openat resumed>) = 3 [pid 5339] write(3, "1000", 4) = 4 [pid 5339] close(3) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 307] openat(AT_FDCWD, "./988", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5337] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] mkdir("./1038", 0777 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./1021/binderfs" [pid 5339] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5339] write(1, "executing program\n", 18 [pid 310] <... mkdir resumed>) = 0 [pid 307] fstat(3 [pid 5339] <... write resumed>) = 18 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5337] <... unlinkat resumed>) = 0 executing program [pid 5339] mkdirat(AT_FDCWD, "./config", 0777 [pid 5337] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] unlink("./1021/binderfs" [pid 307] getdents64(3 [pid 5339] <... mkdirat resumed>) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5337] <... unlinkat resumed>) = 0 [pid 308] umount2("./1021/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5339] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 307] umount2("./988/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5339] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5339] <... mkdirat resumed>) = 0 [pid 5337] exit_group(0 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5340 [pid 308] umount2("./1021/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] newfstatat(AT_FDCWD, "./988/binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5339] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] newfstatat(AT_FDCWD, "./1021/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5339] <... symlinkat resumed>) = 0 [pid 5337] <... exit_group resumed>) = ? [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] unlink("./988/binderfs" [pid 308] umount2("./1021/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5339] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... unlink resumed>) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5339] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5339] exit_group(0) = ? [pid 5339] +++ exited with 0 +++ [pid 5337] +++ exited with 0 +++ [pid 308] openat(AT_FDCWD, "./1021/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] umount2("./988/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5340 attached [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... openat resumed>) = 4 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5339, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] fstat(4 [pid 307] <... umount2 resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./988/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5340] set_robust_list(0x55556c898760, 24 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] newfstatat(AT_FDCWD, "./988/config" [pid 308] getdents64(4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./988/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 5340] <... set_robust_list resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5340] rt_sigprocmask(SIG_SETMASK, [] [pid 308] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./988/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] rmdir("./1021/config" [pid 5340] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5340] chdir("./1038" [pid 307] <... openat resumed>) = 4 [pid 5340] <... chdir resumed>) = 0 [pid 5340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5340] setpgid(0, 0) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] fstat(4 [pid 5340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] getdents64(4 [pid 308] close(3 [pid 5340] <... openat resumed>) = 3 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 308] rmdir("./1021" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5340] write(3, "1000", 4) = 4 [pid 5340] close(3) = 0 [pid 5340] symlink("/dev/binderfs", "./binderfs" [pid 308] <... rmdir resumed>) = 0 [pid 307] close(4 [pid 308] mkdir("./1022", 0777 [pid 307] <... close resumed>) = 0 [pid 5340] <... symlink resumed>) = 0 [pid 5340] write(1, "executing program\n", 18) = 18 [pid 308] <... mkdir resumed>) = 0 [pid 307] rmdir("./988/config" [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5340] mkdirat(AT_FDCWD, "./config", 0777) = 0 executing program [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] getdents64(3 [pid 5340] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5340] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5341 [pid 307] close(3 [pid 5340] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... close resumed>) = 0 [pid 5340] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] rmdir("./988" [pid 5340] <... symlinkat resumed>) = 0 [pid 5340] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5340] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... rmdir resumed>) = 0 [pid 5340] <... unlinkat resumed>) = 0 [pid 307] mkdir("./989", 0777 [pid 5340] exit_group(0) = ? [pid 5340] +++ exited with 0 +++ [pid 307] <... mkdir resumed>) = 0 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5340, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDci2-android-6-1/strace-static-x86_64: Process 5341 attached [pid 5341] set_robust_list(0x55556c898760, 24) = 0 [pid 5341] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5341] chdir("./1022" [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5341] <... chdir resumed>) = 0 [pid 5341] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] umount2("./1014", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./963", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./1014", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] openat(AT_FDCWD, "./963", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5341] setpgid(0, 0 [pid 309] <... openat resumed>) = 3 [pid 306] <... openat resumed>) = 3 [pid 309] fstat(3 [pid 306] fstat(3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(3 [pid 306] getdents64(3 [pid 5341] <... setpgid resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] umount2("./1014/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5342 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./963/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./1014/binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] newfstatat(AT_FDCWD, "./963/binderfs" [pid 309] unlink("./1014/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5341] <... openat resumed>) = 3 [pid 309] <... unlink resumed>) = 0 [pid 306] unlink("./963/binderfs" [pid 5341] write(3, "1000", 4) = 4 [pid 5341] close(3 [pid 306] <... unlink resumed>) = 0 [pid 309] umount2("./1014/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5341] <... close resumed>) = 0 [pid 5341] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 309] umount2("./1014/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] <... symlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./1014/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./963/config" [pid 309] umount2("./1014/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./963/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./1014/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5341] <... write resumed>) = 18 [pid 309] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./963/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(4 [pid 5341] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... openat resumed>) = 4 [pid 309] getdents64(4 executing program [pid 306] fstat(4 [pid 5341] <... mkdirat resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5341] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... restart_syscall resumed>) = 0 [pid 309] getdents64(4 [pid 306] getdents64(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5341] <... mount resumed>) = 0 [pid 309] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] umount2("./1038", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./1014/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] openat(AT_FDCWD, "./1038", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5341] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... openat resumed>) = 3 [pid 309] <... rmdir resumed>) = 0 [pid 306] close(4 [pid 310] fstat(3 [pid 309] getdents64(3 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] getdents64(3 [pid 309] close(3 [pid 306] rmdir("./963/config" [pid 5341] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5341] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5341] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 306] <... rmdir resumed>) = 0 [pid 5341] <... unlinkat resumed>) = 0 [pid 310] umount2("./1038/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... close resumed>) = 0 [pid 306] getdents64(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rmdir("./1014" [pid 310] newfstatat(AT_FDCWD, "./1038/binderfs" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5341] exit_group(0) = ? [pid 5341] +++ exited with 0 +++ [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 310] unlink("./1038/binderfs" [pid 309] mkdir("./1015", 0777 [pid 306] <... close resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5342 attached [pid 310] <... unlink resumed>) = 0 [pid 306] rmdir("./963" [pid 5342] set_robust_list(0x55556c898760, 24) = 0 [pid 5342] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 5342] chdir("./989") = 0 [pid 5342] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 310] umount2("./1038/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] mkdir("./964", 0777 [pid 5342] setpgid(0, 0) = 0 [pid 5342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5342] write(3, "1000", 4 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... mkdir resumed>) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5342] <... write resumed>) = 4 [pid 5342] close(3) = 0 [pid 5342] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5342] write(1, "executing program\n", 18 [pid 310] umount2("./1038/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5343 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] newfstatat(AT_FDCWD, "./1038/config" [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5342] <... write resumed>) = 18 [pid 5342] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] umount2("./1038/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5344 [pid 310] openat(AT_FDCWD, "./1038/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 5342] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... openat resumed>) = 4 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 executing program [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./1022", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] getdents64(4 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5342] <... mount resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] openat(AT_FDCWD, "./1022", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 5342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5342] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... openat resumed>) = 3 [pid 310] close(4 [pid 308] fstat(3 [pid 5342] <... mkdirat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] rmdir("./1038/config" [pid 308] getdents64(3 [pid 5342] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5342] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 310] getdents64(3 [pid 308] umount2("./1022/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] close(3 [pid 308] newfstatat(AT_FDCWD, "./1022/binderfs" [pid 310] <... close resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rmdir("./1038" [pid 308] unlink("./1022/binderfs" [pid 5342] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5342] exit_group(0 [pid 310] <... rmdir resumed>) = 0 [pid 5342] <... exit_group resumed>) = ? [pid 308] <... unlink resumed>) = 0 [pid 310] mkdir("./1039", 0777 [pid 308] umount2("./1022/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5342] +++ exited with 0 +++ [pid 310] <... mkdir resumed>) = 0 [pid 308] <... umount2 resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] umount2("./1022/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5342, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] newfstatat(AT_FDCWD, "./1022/config"ci2-android-6-1/strace-static-x86_64: Process 5343 attached [pid 5343] set_robust_list(0x55556c898760, 24) = 0 [pid 5343] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5343] chdir("./1015") = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5345 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./1022/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5343] <... prctl resumed>) = 0 [pid 308] openat(AT_FDCWD, "./1022/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5343] setpgid(0, 0) = 0 [pid 5343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 4 [pid 307] umount2("./989", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] fstat(4 [pid 5343] <... openat resumed>) = 3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5344 attached [pid 308] getdents64(4 [pid 307] openat(AT_FDCWD, "./989", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5343] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... openat resumed>) = 3 [pid 308] getdents64(4 [pid 307] fstat(3 [pid 5343] <... write resumed>) = 4 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] getdents64(3 [pid 308] close(4 [pid 5343] close(3) = 0 [pid 5343] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... close resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5344] set_robust_list(0x55556c898760, 24 [pid 308] rmdir("./1022/config" [pid 307] umount2("./989/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5343] write(1, "executing program\n", 18) = 18 [pid 5343] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 308] getdents64(3 [pid 5344] <... set_robust_list resumed>) = 0 [pid 5343] <... mkdirat resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] newfstatat(AT_FDCWD, "./989/binderfs" [pid 5343] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... close resumed>) = 0 [pid 307] unlink("./989/binderfs" [pid 308] rmdir("./1022" [pid 5343] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5343] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... unlink resumed>) = 0 [pid 5343] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] umount2("./989/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] mkdir("./1023", 0777 [pid 5343] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = 0 [pid 5343] <... symlinkat resumed>) = 0 [pid 5343] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./989/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5343] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] newfstatat(AT_FDCWD, "./989/config" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5343] <... unlinkat resumed>) = 0 [pid 5343] exit_group(0) = ? [pid 5344] rt_sigprocmask(SIG_SETMASK, [] [pid 5343] +++ exited with 0 +++ [pid 307] umount2("./989/config", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5345 attached [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5346 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5343, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5345] set_robust_list(0x55556c898760, 24 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] openat(AT_FDCWD, "./989/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5345] <... set_robust_list resumed>) = 0 [pid 307] <... openat resumed>) = 4 [pid 307] fstat(4 [pid 5345] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5344] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] getdents64(4 [pid 5345] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5345] chdir("./1039" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5345] <... chdir resumed>) = 0 [pid 307] getdents64(4 [pid 5345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5345] <... prctl resumed>) = 0 [pid 307] close(4 [pid 5345] setpgid(0, 0 [pid 307] <... close resumed>) = 0 [pid 5345] <... setpgid resumed>) = 0 [pid 307] rmdir("./989/config" [pid 5345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5345] write(3, "1000", 4) = 4 [pid 307] <... rmdir resumed>) = 0 [pid 5345] close(3 [pid 307] getdents64(3 [pid 5344] chdir("./964" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5345] <... close resumed>) = 0 [pid 307] close(3 [pid 5344] <... chdir resumed>) = 0 [pid 5345] symlink("/dev/binderfs", "./binderfs" [pid 307] <... close resumed>) = 0 [pid 5345] <... symlink resumed>) = 0 [pid 5344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... restart_syscall resumed>) = 0 [pid 307] rmdir("./989" [pid 5344] <... prctl resumed>) = 0 [pid 5345] write(1, "executing program\n", 18) = 18 [pid 5345] mkdirat(AT_FDCWD, "./config", 0777 [pid 5344] setpgid(0, 0 [pid 307] <... rmdir resumed>) = 0 [pid 309] umount2("./1015", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5344] <... setpgid resumed>) = 0 [pid 307] mkdir("./990", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5345] <... mkdirat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./1015", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5345] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... openat resumed>) = 3 [pid 5344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5345] <... mount resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5345] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] getdents64(3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5347 [pid 5345] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 309] umount2("./1015/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./1015/binderfs" [pid 5344] <... openat resumed>) = 3 executing program [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5345] <... symlinkat resumed>) = 0 [pid 5344] write(3, "1000", 4 [pid 309] unlink("./1015/binderfs" [pid 5345] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 309] <... unlink resumed>) = 0 [pid 5344] <... write resumed>) = 4 ci2-android-6-1/strace-static-x86_64: Process 5347 attached ci2-android-6-1/strace-static-x86_64: Process 5346 attached [pid 5345] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] umount2("./1015/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5344] close(3 [pid 5346] set_robust_list(0x55556c898760, 24 [pid 5345] <... unlinkat resumed>) = 0 [pid 5344] <... close resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 309] umount2("./1015/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5344] symlink("/dev/binderfs", "./binderfs" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5346] <... set_robust_list resumed>) = 0 [pid 5345] exit_group(0 [pid 309] newfstatat(AT_FDCWD, "./1015/config" [pid 5346] rt_sigprocmask(SIG_SETMASK, [] [pid 5345] <... exit_group resumed>) = ? [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5344] <... symlink resumed>) = 0 [pid 309] umount2("./1015/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5344] write(1, "executing program\n", 18 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5346] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5345] +++ exited with 0 +++ [pid 5344] <... write resumed>) = 18 [pid 309] openat(AT_FDCWD, "./1015/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5346] chdir("./1023" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5345, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... openat resumed>) = 4 [pid 5344] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] fstat(4 [pid 5346] <... chdir resumed>) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5346] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] getdents64(4 [pid 5346] <... prctl resumed>) = 0 [pid 5346] setpgid(0, 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5346] <... setpgid resumed>) = 0 [pid 309] getdents64(4 [pid 5346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5346] <... openat resumed>) = 3 [pid 5344] <... mkdirat resumed>) = 0 [pid 309] close(4 [pid 5346] write(3, "1000", 4 [pid 309] <... close resumed>) = 0 [pid 5344] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rmdir("./1015/config" [pid 5346] <... write resumed>) = 4 [pid 5346] close(3) = 0 [pid 5346] symlink("/dev/binderfs", "./binderfs" [pid 5347] set_robust_list(0x55556c898760, 24 [pid 5346] <... symlink resumed>) = 0 [pid 5344] <... mount resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 5347] <... set_robust_list resumed>) = 0 [pid 5346] write(1, "executing program\n", 18 [pid 5344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 executing program [pid 309] getdents64(3 [pid 5347] rt_sigprocmask(SIG_SETMASK, [] [pid 5346] <... write resumed>) = 18 [pid 5344] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5347] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5346] mkdirat(AT_FDCWD, "./config", 0777 [pid 5344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] close(3 [pid 5347] chdir("./990" [pid 5346] <... mkdirat resumed>) = 0 [pid 5344] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... close resumed>) = 0 [pid 5347] <... chdir resumed>) = 0 [pid 5346] mount(NULL, "./config", "configfs", 0, NULL [pid 5344] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] rmdir("./1015" [pid 5347] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5346] <... mount resumed>) = 0 [pid 5347] <... prctl resumed>) = 0 [pid 5346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5347] setpgid(0, 0 [pid 5346] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5347] <... setpgid resumed>) = 0 [pid 5346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] <... rmdir resumed>) = 0 [pid 5347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5346] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] mkdir("./1016", 0777 [pid 5344] <... mkdirat resumed>) = 0 [pid 5347] <... openat resumed>) = 3 [pid 5346] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5347] write(3, "1000", 4 [pid 5346] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5347] <... write resumed>) = 4 [pid 5346] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 309] <... mkdir resumed>) = 0 [pid 5344] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5347] close(3 [pid 5346] <... symlinkat resumed>) = 0 [pid 5344] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5347] <... close resumed>) = 0 [pid 5346] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5344] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5347] symlink("/dev/binderfs", "./binderfs" [pid 5346] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5344] <... unlinkat resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5347] <... symlink resumed>) = 0 [pid 5346] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5347] write(1, "executing program\n", 18 [pid 5346] <... unlinkat resumed>) = 0 [pid 5347] <... write resumed>) = 18 [pid 5346] exit_group(0 executing program [pid 5344] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5347] mkdirat(AT_FDCWD, "./config", 0777 [pid 5346] <... exit_group resumed>) = ? [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5348 [pid 5347] <... mkdirat resumed>) = 0 [pid 5346] +++ exited with 0 +++ [pid 5344] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5347] mount(NULL, "./config", "configfs", 0, NULL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5344] exit_group(0 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5346, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5344] <... exit_group resumed>) = ? [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5347] <... mount resumed>) = 0 [pid 5347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5347] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5344] +++ exited with 0 +++ [pid 5347] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5344, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5347] <... symlinkat resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5347] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5347] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5347] exit_group(0) = ? [pid 5347] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 5348 attached [pid 5348] set_robust_list(0x55556c898760, 24 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5347, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5348] <... set_robust_list resumed>) = 0 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5348] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5348] chdir("./1016") = 0 [pid 5348] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5348] setpgid(0, 0) = 0 [pid 5348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5348] write(3, "1000", 4) = 4 [pid 5348] close(3) = 0 [pid 5348] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5348] write(1, "executing program\n", 18) = 18 executing program [pid 5348] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 5348] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 307] <... restart_syscall resumed>) = 0 [pid 306] <... restart_syscall resumed>) = 0 [pid 5348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 306] umount2("./964", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./1023", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1039", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./990", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./1039", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./1023", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] openat(AT_FDCWD, "./964", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./990", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... openat resumed>) = 3 [pid 308] <... openat resumed>) = 3 [pid 307] <... openat resumed>) = 3 [pid 306] fstat(3 [pid 308] fstat(3 [pid 310] fstat(3 [pid 307] fstat(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] getdents64(3 [pid 306] getdents64(3 [pid 5348] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] getdents64(3 [pid 5348] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./1023/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./964/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] umount2("./1039/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] umount2("./990/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./1023/binderfs" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./1039/binderfs" [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./964/binderfs" [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./1023/binderfs" [pid 307] newfstatat(AT_FDCWD, "./990/binderfs" [pid 310] unlink("./1039/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5348] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 308] <... unlink resumed>) = 0 [pid 5348] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5348] <... unlinkat resumed>) = 0 [pid 310] <... unlink resumed>) = 0 [pid 307] unlink("./990/binderfs" [pid 308] umount2("./1023/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] unlink("./964/binderfs" [pid 310] umount2("./1039/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5348] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5348] exit_group(0 [pid 308] <... umount2 resumed>) = 0 [pid 307] umount2("./990/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5348] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = 0 [pid 308] umount2("./1023/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5348] +++ exited with 0 +++ [pid 310] umount2("./1039/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 310] newfstatat(AT_FDCWD, "./1039/config" [pid 308] newfstatat(AT_FDCWD, "./1023/config" [pid 307] umount2("./990/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] newfstatat(AT_FDCWD, "./990/config" [pid 310] umount2("./1039/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./1016", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./1023/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] newfstatat(AT_FDCWD, "./964/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] openat(AT_FDCWD, "./1039/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] openat(AT_FDCWD, "./1016", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] openat(AT_FDCWD, "./1023/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./990/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... openat resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 310] fstat(4 [pid 308] <... openat resumed>) = 4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] fstat(3 [pid 306] umount2("./964/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] fstat(4 [pid 307] openat(AT_FDCWD, "./990/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 309] getdents64(3 [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... openat resumed>) = 4 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] getdents64(4 [pid 307] fstat(4 [pid 306] openat(AT_FDCWD, "./964/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] getdents64(4 [pid 309] umount2("./1016/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 307] getdents64(4 [pid 306] <... openat resumed>) = 4 [pid 310] close(4 [pid 309] newfstatat(AT_FDCWD, "./1016/binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... close resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] close(4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] fstat(4 [pid 310] rmdir("./1039/config" [pid 309] unlink("./1016/binderfs" [pid 308] <... close resumed>) = 0 [pid 307] getdents64(4 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 309] <... unlink resumed>) = 0 [pid 308] rmdir("./1023/config" [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 310] getdents64(3 [pid 309] umount2("./1016/config", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 309] umount2("./1016/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 309] newfstatat(AT_FDCWD, "./1016/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./1016/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] close(4 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./1016/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] close(3 [pid 309] <... openat resumed>) = 4 [pid 308] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 306] getdents64(4 [pid 310] <... close resumed>) = 0 [pid 309] fstat(4 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] rmdir("./990/config" [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] rmdir("./1039" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] close(3 [pid 309] getdents64(4, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] close(4 [pid 307] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] close(4 [pid 309] rmdir("./1016/config" [pid 310] <... rmdir resumed>) = 0 [pid 309] <... rmdir resumed>) = 0 [pid 308] rmdir("./1023" [pid 307] getdents64(3 [pid 306] <... close resumed>) = 0 [pid 310] mkdir("./1040", 0777 [pid 309] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] close(3) = 0 [pid 309] rmdir("./1016") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] rmdir("./964/config" [pid 309] mkdir("./1017", 0777 [pid 310] <... mkdir resumed>) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] close(3 [pid 308] mkdir("./1024", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... close resumed>) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 307] rmdir("./990" [pid 306] getdents64(3 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5349 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 309] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5349 attached [pid 5349] set_robust_list(0x55556c898760, 24) = 0 [pid 5349] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5349] chdir("./1017") = 0 [pid 5349] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5349] setpgid(0, 0) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5349] write(3, "1000", 4) = 4 [pid 5349] close(3) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(3 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5350 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] mkdir("./991", 0777 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... close resumed>) = 0 [pid 5349] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5349] write(1, "executing program\n", 18) = 18 [pid 5349] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] rmdir("./964" [pid 5349] <... mkdirat resumed>) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 5349] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5351 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... rmdir resumed>) = 0 [pid 5349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) executing program [pid 5349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5349] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5349] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 306] mkdir("./965", 0777 [pid 5349] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5349] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5349] exit_group(0 [pid 306] <... mkdir resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5349] <... exit_group resumed>) = ? [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5349] +++ exited with 0 +++ [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5349, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...>ci2-android-6-1/strace-static-x86_64: Process 5350 attached [pid 5350] set_robust_list(0x55556c898760, 24) = 0 [pid 5350] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5352 [pid 5350] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5350] chdir("./1040") = 0 [pid 5350] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5350] setpgid(0, 0) = 0 [pid 5350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5353 [pid 306] rt_sigprocmask(SIG_SETMASK, []ci2-android-6-1/strace-static-x86_64: Process 5351 attached [pid 5350] write(3, "1000", 4) = 4 [pid 5350] close(3) = 0 [pid 5350] symlink("/dev/binderfs", "./binderfs" [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5352 attached [pid 5351] set_robust_list(0x55556c898760, 24 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5350] <... symlink resumed>) = 0 [pid 5351] <... set_robust_list resumed>) = 0 executing program [pid 5350] write(1, "executing program\n", 18) = 18 [pid 5350] mkdirat(AT_FDCWD, "./config", 0777 [pid 5352] set_robust_list(0x55556c898760, 24 [pid 5351] rt_sigprocmask(SIG_SETMASK, [] [pid 5350] <... mkdirat resumed>) = 0 [pid 5350] mount(NULL, "./config", "configfs", 0, NULL [pid 5352] <... set_robust_list resumed>) = 0 [pid 5351] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5350] <... mount resumed>) = 0 [pid 5350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5350] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5351] chdir("./1024" [pid 5350] <... mkdirat resumed>) = 0 [pid 5350] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5350] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5351] <... chdir resumed>) = 0 [pid 5350] <... unlinkat resumed>) = 0 [pid 5350] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5351] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5350] exit_group(0 [pid 5352] rt_sigprocmask(SIG_SETMASK, [] [pid 5350] <... exit_group resumed>) = ? [pid 5352] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5351] <... prctl resumed>) = 0 [pid 5350] +++ exited with 0 +++ ci2-android-6-1/strace-static-x86_64: Process 5353 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5350, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5353] set_robust_list(0x55556c898760, 24 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5353] <... set_robust_list resumed>) = 0 [pid 5353] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5353] chdir("./991" [pid 5351] setpgid(0, 0 [pid 5353] <... chdir resumed>) = 0 [pid 5353] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5353] setpgid(0, 0) = 0 [pid 5353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5351] <... setpgid resumed>) = 0 [pid 5353] write(3, "1000", 4) = 4 [pid 5353] close(3) = 0 [pid 5353] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5352] chdir("./965" [pid 5351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC executing program [pid 5353] write(1, "executing program\n", 18 [pid 5352] <... chdir resumed>) = 0 [pid 5351] <... openat resumed>) = 3 [pid 309] <... restart_syscall resumed>) = 0 [pid 5353] <... write resumed>) = 18 [pid 5352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5353] mkdirat(AT_FDCWD, "./config", 0777 [pid 5351] write(3, "1000", 4) = 4 [pid 309] umount2("./1017", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5351] close(3 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5351] <... close resumed>) = 0 [pid 309] openat(AT_FDCWD, "./1017", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5351] symlink("/dev/binderfs", "./binderfs" [pid 309] <... openat resumed>) = 3 [pid 5352] <... prctl resumed>) = 0 [pid 5351] <... symlink resumed>) = 0 [pid 309] fstat(3 [pid 5351] write(1, "executing program\n", 18 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5351] <... write resumed>) = 18 executing program [pid 309] getdents64(3 [pid 5351] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5352] setpgid(0, 0 [pid 5351] <... mkdirat resumed>) = 0 [pid 309] umount2("./1017/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5351] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5351] <... mount resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./1017/binderfs" [pid 5352] <... setpgid resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] unlink("./1017/binderfs" [pid 5351] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 309] <... unlink resumed>) = 0 [pid 5351] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] umount2("./1017/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5351] <... mkdirat resumed>) = 0 [pid 309] <... umount2 resumed>) = 0 [pid 5351] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] umount2("./1017/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5351] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5351] <... unlinkat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./1017/config" [pid 5351] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] umount2("./1017/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5351] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] umount2("./1040", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./1017/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... openat resumed>) = 4 [pid 310] openat(AT_FDCWD, "./1040", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] fstat(4 [pid 5351] exit_group(0 [pid 310] <... openat resumed>) = 3 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] fstat(3 [pid 5351] <... exit_group resumed>) = ? [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] getdents64(4 [pid 5351] +++ exited with 0 +++ [pid 310] getdents64(3 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5351, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] getdents64(4 [pid 310] umount2("./1040/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] close(4 [pid 310] newfstatat(AT_FDCWD, "./1040/binderfs" [pid 309] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./1017/config" [pid 310] unlink("./1040/binderfs" [pid 5353] <... mkdirat resumed>) = 0 [pid 5353] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 309] <... rmdir resumed>) = 0 [pid 5353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5352] <... openat resumed>) = 3 [pid 5353] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... unlink resumed>) = 0 [pid 309] getdents64(3 [pid 310] umount2("./1040/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5353] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5352] write(3, "1000", 4 [pid 310] <... umount2 resumed>) = 0 [pid 5353] <... symlinkat resumed>) = 0 [pid 5352] <... write resumed>) = 4 [pid 310] umount2("./1040/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(3 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5353] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5352] close(3 [pid 310] newfstatat(AT_FDCWD, "./1040/config" [pid 309] <... close resumed>) = 0 [pid 5353] <... unlinkat resumed>) = 0 [pid 5352] <... close resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] rmdir("./1017" [pid 310] umount2("./1040/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5353] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 5352] symlink("/dev/binderfs", "./binderfs" [pid 5353] <... unlinkat resumed>) = 0 [pid 5352] <... symlink resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... rmdir resumed>) = 0 [pid 310] openat(AT_FDCWD, "./1040/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] mkdir("./1018", 0777 [pid 5353] exit_group(0 [pid 5352] write(1, "executing program\n", 18 [pid 310] <... openat resumed>) = 4 [pid 5353] <... exit_group resumed>) = ? [pid 5352] <... write resumed>) = 18 executing program [pid 5353] +++ exited with 0 +++ [pid 5352] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] fstat(4 [pid 309] <... mkdir resumed>) = 0 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5352] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5353, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5352] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] getdents64(4 [pid 5352] <... mount resumed>) = 0 [pid 5352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5352] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5352] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] close(4 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5354 [pid 5352] <... symlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./1040/config" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5352] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5352] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 310] getdents64(3 [pid 5352] exit_group(0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5352] <... exit_group resumed>) = ? [pid 310] close(3 [pid 5352] +++ exited with 0 +++ [pid 310] <... close resumed>) = 0 [pid 310] rmdir("./1040"ci2-android-6-1/strace-static-x86_64: Process 5354 attached [pid 5354] set_robust_list(0x55556c898760, 24 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5352, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5354] <... set_robust_list resumed>) = 0 [pid 5354] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] mkdir("./1041", 0777 [pid 5354] chdir("./1018") = 0 [pid 5354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5354] setpgid(0, 0) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5354] write(3, "1000", 4) = 4 [pid 5354] close(3) = 0 [pid 5354] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5354] write(1, "executing program\n", 18 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5355 [pid 5354] <... write resumed>) = 18 executing program [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5354] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5355 attached [pid 5354] <... mkdirat resumed>) = 0 [pid 5354] mount(NULL, "./config", "configfs", 0, NULL [pid 5355] set_robust_list(0x55556c898760, 24 [pid 5354] <... mount resumed>) = 0 [pid 5355] <... set_robust_list resumed>) = 0 [pid 5354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5355] rt_sigprocmask(SIG_SETMASK, [] [pid 5354] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 5355] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5354] <... mkdirat resumed>) = 0 [pid 5354] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5355] chdir("./1041" [pid 5354] <... symlinkat resumed>) = 0 [pid 5354] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 5355] <... chdir resumed>) = 0 [pid 5355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5354] <... unlinkat resumed>) = 0 [pid 5355] <... prctl resumed>) = 0 [pid 5354] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... restart_syscall resumed>) = 0 [pid 5354] <... unlinkat resumed>) = 0 [pid 5355] setpgid(0, 0 [pid 308] umount2("./1024", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5355] <... setpgid resumed>) = 0 [pid 5354] exit_group(0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5354] <... exit_group resumed>) = ? [pid 308] openat(AT_FDCWD, "./1024", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... openat resumed>) = 3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5354] +++ exited with 0 +++ [pid 308] umount2("./1024/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5354, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5355] <... openat resumed>) = 3 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 308] newfstatat(AT_FDCWD, "./1024/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] unlink("./1024/binderfs") = 0 [pid 5355] write(3, "1000", 4 [pid 308] umount2("./1024/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5355] <... write resumed>) = 4 [pid 308] <... umount2 resumed>) = 0 [pid 308] umount2("./1024/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./1024/config", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5355] close(3 [pid 308] umount2("./1024/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 308] openat(AT_FDCWD, "./1024/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 308] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5355] <... close resumed>) = 0 [pid 308] getdents64(4 [pid 306] <... restart_syscall resumed>) = 0 [pid 5355] symlink("/dev/binderfs", "./binderfs" [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] getdents64(4 [pid 307] <... restart_syscall resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] umount2("./965", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] close(4 [pid 5355] <... symlink resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5355] write(1, "executing program\n", 18 [pid 308] rmdir("./1024/config" [pid 307] umount2("./991", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 306] openat(AT_FDCWD, "./965", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5355] <... write resumed>) = 18 [pid 5355] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... rmdir resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(3 [pid 306] <... openat resumed>) = 3 [pid 307] openat(AT_FDCWD, "./991", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] fstat(3 [pid 308] close(3 [pid 307] <... openat resumed>) = 3 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] <... close resumed>) = 0 [pid 307] fstat(3 [pid 308] rmdir("./1024" [pid 306] getdents64(3 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5355] <... mkdirat resumed>) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] getdents64(3 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] mkdir("./1025", 0777 [pid 5355] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] umount2("./965/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5355] <... mount resumed>) = 0 [pid 5355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 308] <... mkdir resumed>) = 0 [pid 307] umount2("./991/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] newfstatat(AT_FDCWD, "./965/binderfs" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] newfstatat(AT_FDCWD, "./991/binderfs" [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5355] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5355] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] unlink("./965/binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5356 [pid 307] unlink("./991/binderfs" [pid 5355] <... symlinkat resumed>) = 0 [pid 306] <... unlink resumed>) = 0 [pid 5355] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 307] <... unlink resumed>) = 0 [pid 306] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./991/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 5355] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 306] <... umount2 resumed>) = 0 [pid 5355] exit_group(0 [pid 309] umount2("./1018", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] umount2("./991/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5355] <... exit_group resumed>) = ? [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5355] +++ exited with 0 +++ [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./1018", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./991/config" [pid 306] newfstatat(AT_FDCWD, "./965/config" [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5355, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] <... openat resumed>) = 3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 309] fstat(3 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] umount2("./991/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 306] umount2("./965/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ci2-android-6-1/strace-static-x86_64: Process 5356 attached [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] openat(AT_FDCWD, "./991/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] <... restart_syscall resumed>) = 0 [pid 309] umount2("./1018/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] <... openat resumed>) = 4 [pid 306] openat(AT_FDCWD, "./965/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] fstat(4 [pid 5356] set_robust_list(0x55556c898760, 24 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] umount2("./1041", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] newfstatat(AT_FDCWD, "./1018/binderfs" [pid 306] <... openat resumed>) = 4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] getdents64(4 [pid 306] fstat(4 [pid 310] openat(AT_FDCWD, "./1041", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] unlink("./1018/binderfs" [pid 5356] <... set_robust_list resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 310] <... openat resumed>) = 3 [pid 307] getdents64(4 [pid 310] fstat(3 [pid 306] getdents64(4 [pid 5356] rt_sigprocmask(SIG_SETMASK, [] [pid 309] <... unlink resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] umount2("./1018/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(4 [pid 306] getdents64(4 [pid 310] getdents64(3 [pid 5356] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... close resumed>) = 0 [pid 5356] chdir("./1025" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] <... umount2 resumed>) = 0 [pid 307] rmdir("./991/config" [pid 306] close(4 [pid 310] umount2("./1041/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./1018/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5356] <... chdir resumed>) = 0 [pid 5356] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5356] setpgid(0, 0) = 0 [pid 5356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... rmdir resumed>) = 0 [pid 306] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] getdents64(3 [pid 306] rmdir("./965/config" [pid 310] newfstatat(AT_FDCWD, "./1041/binderfs" [pid 309] newfstatat(AT_FDCWD, "./1018/config" [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5356] <... openat resumed>) = 3 [pid 306] <... rmdir resumed>) = 0 [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] close(3 [pid 310] unlink("./1041/binderfs" [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] getdents64(3 [pid 307] <... close resumed>) = 0 [pid 5356] write(3, "1000", 4 [pid 310] <... unlink resumed>) = 0 [pid 307] rmdir("./991" [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5356] <... write resumed>) = 4 [pid 310] umount2("./1041/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./1018/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5356] close(3) = 0 [pid 5356] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... umount2 resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rmdir resumed>) = 0 [pid 306] close(3 [pid 310] umount2("./1041/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] openat(AT_FDCWD, "./1018/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] mkdir("./992", 0777 [pid 306] <... close resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5356] write(1, "executing program\n", 18) = 18 executing program [pid 5356] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] newfstatat(AT_FDCWD, "./1041/config" [pid 309] <... openat resumed>) = 4 [pid 307] <... mkdir resumed>) = 0 [pid 306] rmdir("./965" [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5356] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 306] <... rmdir resumed>) = 0 [pid 310] umount2("./1041/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] getdents64(4 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] mkdir("./966", 0777 [pid 310] openat(AT_FDCWD, "./1041/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5356] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... openat resumed>) = 4 [pid 309] getdents64(4 [pid 306] <... mkdir resumed>) = 0 [pid 5356] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5356] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 310] fstat(4 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5357 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] close(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] getdents64(4 [pid 309] <... close resumed>) = 0 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] rmdir("./1018/config" [pid 5356] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5356] exit_group(0) = ? [pid 5356] +++ exited with 0 +++ [pid 310] getdents64(4 [pid 309] <... rmdir resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 310] close(4 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5356, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5358 [pid 310] <... close resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 310] rmdir("./1041/config" [pid 309] close(3ci2-android-6-1/strace-static-x86_64: Process 5357 attached [pid 5357] set_robust_list(0x55556c898760, 24) = 0 [pid 5357] rt_sigprocmask(SIG_SETMASK, [] [pid 310] <... rmdir resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 310] getdents64(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] rmdir("./1018" [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5357] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5357] chdir("./992") = 0 [pid 5357] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 310] close(3 [pid 309] <... rmdir resumed>) = 0 [pid 5357] <... prctl resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 309] mkdir("./1019", 0777 [pid 310] rmdir("./1041" [pid 5357] setpgid(0, 0) = 0 [pid 5357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... mkdir resumed>) = 0 [pid 5357] write(3, "1000", 4) = 4 [pid 310] <... rmdir resumed>) = 0 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] mkdir("./1042", 0777 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 ci2-android-6-1/strace-static-x86_64: Process 5358 attached [pid 5357] close(3) = 0 [pid 5357] symlink("/dev/binderfs", "./binderfs") = 0 [pid 310] <... mkdir resumed>) = 0 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 308] <... restart_syscall resumed>) = 0 [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5358] set_robust_list(0x55556c898760, 24) = 0 [pid 5358] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5358] chdir("./966") = 0 [pid 5357] write(1, "executing program\n", 18 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5359 ci2-android-6-1/strace-static-x86_64: Process 5359 attached [pid 5357] <... write resumed>) = 18 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD executing program [pid 5358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5358] <... prctl resumed>) = 0 [pid 5358] setpgid(0, 0) = 0 [pid 5358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] umount2("./1025", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5357] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5360 [pid 5359] set_robust_list(0x55556c898760, 24 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./1025", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... openat resumed>) = 3 [pid 5358] write(3, "1000", 4 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5358] <... write resumed>) = 4 [pid 5358] close(3 [pid 308] getdents64(3 [pid 5358] <... close resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5359] <... set_robust_list resumed>) = 0 [pid 5357] <... mkdirat resumed>) = 0 [pid 5357] mount(NULL, "./config", "configfs", 0, NULL [pid 308] umount2("./1025/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5358] symlink("/dev/binderfs", "./binderfs" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] rt_sigprocmask(SIG_SETMASK, [] [pid 5358] <... symlink resumed>) = 0 [pid 5357] <... mount resumed>) = 0 [pid 308] newfstatat(AT_FDCWD, "./1025/binderfs" [pid 5359] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] unlink("./1025/binderfs" [pid 5359] chdir("./1019" [pid 5357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 5359] <... chdir resumed>) = 0 executing program [pid 5357] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] <... unlink resumed>) = 0 [pid 5359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5357] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] umount2("./1025/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5358] write(1, "executing program\n", 18) = 18 [pid 5358] mkdirat(AT_FDCWD, "./config", 0777 [pid 308] <... umount2 resumed>) = 0 [pid 5359] <... prctl resumed>) = 0 [pid 5357] <... mkdirat resumed>) = 0 [pid 308] umount2("./1025/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5357] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] setpgid(0, 0 [pid 5358] <... mkdirat resumed>) = 0 [pid 5357] <... symlinkat resumed>) = 0 executing program [pid 308] newfstatat(AT_FDCWD, "./1025/config" [pid 5359] <... setpgid resumed>) = 0 [pid 5357] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] umount2("./1025/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5357] <... unlinkat resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5360 attached [pid 5360] set_robust_list(0x55556c898760, 24) = 0 [pid 5360] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5360] chdir("./1042") = 0 [pid 5357] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5357] <... unlinkat resumed>) = 0 [pid 308] openat(AT_FDCWD, "./1025/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5360] <... prctl resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 5357] exit_group(0 [pid 308] fstat(4 [pid 5357] <... exit_group resumed>) = ? [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5360] setpgid(0, 0 [pid 308] getdents64(4 [pid 5360] <... setpgid resumed>) = 0 [pid 5360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5360] <... openat resumed>) = 3 [pid 308] getdents64(4 [pid 5360] write(3, "1000", 4 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5360] <... write resumed>) = 4 [pid 308] close(4 [pid 5360] close(3 [pid 308] <... close resumed>) = 0 [pid 5357] +++ exited with 0 +++ [pid 308] rmdir("./1025/config" [pid 5360] <... close resumed>) = 0 [pid 5360] symlink("/dev/binderfs", "./binderfs") = 0 [pid 308] <... rmdir resumed>) = 0 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5359] <... openat resumed>) = 3 [pid 308] getdents64(3 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5360] write(1, "executing program\n", 18 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5359] write(3, "1000", 4 [pid 308] close(3 [pid 5360] <... write resumed>) = 18 [pid 308] <... close resumed>) = 0 [pid 5359] <... write resumed>) = 4 [pid 308] rmdir("./1025" [pid 5360] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5359] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 5358] mount(NULL, "./config", "configfs", 0, NULL [pid 308] mkdir("./1026", 0777 [pid 5360] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5360] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 308] <... mkdir resumed>) = 0 [pid 5359] <... close resumed>) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5360] <... mkdirat resumed>) = 0 [pid 5359] symlink("/dev/binderfs", "./binderfs" [pid 5358] <... mount resumed>) = 0 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5360] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... restart_syscall resumed>) = 0 [pid 5360] <... symlinkat resumed>) = 0 [pid 5360] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5360] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5361 [pid 5360] exit_group(0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] umount2("./992", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5360] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5360] +++ exited with 0 +++ [pid 5359] <... symlink resumed>) = 0 [pid 5358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] openat(AT_FDCWD, "./992", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYci2-android-6-1/strace-static-x86_64: Process 5361 attached [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5360, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... openat resumed>) = 3 [pid 5359] write(1, "executing program\n", 18 [pid 5358] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5359] <... write resumed>) = 18 [pid 5358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] getdents64(3 [pid 5361] set_robust_list(0x55556c898760, 24) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5359] mkdirat(AT_FDCWD, "./config", 0777 [pid 5358] <... mkdirat resumed>) = -1 EEXIST (File exists) executing program [pid 307] umount2("./992/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5361] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5361] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] newfstatat(AT_FDCWD, "./992/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5358] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] unlink("./992/binderfs" [pid 5361] chdir("./1026") = 0 [pid 5361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 307] <... unlink resumed>) = 0 [pid 5361] <... prctl resumed>) = 0 [pid 307] umount2("./992/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5361] setpgid(0, 0) = 0 [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./992/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 307] newfstatat(AT_FDCWD, "./992/config" [pid 5358] <... mkdirat resumed>) = 0 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./992/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5359] <... mkdirat resumed>) = 0 [pid 5358] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5359] mount(NULL, "./config", "configfs", 0, NULL [pid 307] openat(AT_FDCWD, "./992/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... openat resumed>) = 4 [pid 5361] <... openat resumed>) = 3 [pid 5359] <... mount resumed>) = 0 [pid 5358] <... symlinkat resumed>) = 0 [pid 307] fstat(4 [pid 5361] write(3, "1000", 4 [pid 5358] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] getdents64(4 [pid 5361] <... write resumed>) = 4 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5358] <... unlinkat resumed>) = 0 [pid 307] getdents64(4 [pid 5359] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5358] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5361] close(3 [pid 5359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] close(4 [pid 5361] <... close resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 5359] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] rmdir("./992/config" [pid 5361] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5361] write(1, "executing program\n", 18 [pid 5359] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... rmdir resumed>) = 0 [pid 5358] <... unlinkat resumed>) = 0 [pid 307] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5361] <... write resumed>) = 18 [pid 307] close(3 [pid 5361] mkdirat(AT_FDCWD, "./config", 0777 [pid 310] <... restart_syscall resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 5359] <... mkdirat resumed>) = 0 [pid 307] rmdir("./992" [pid 5361] <... mkdirat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5359] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5358] exit_group(0 [pid 310] umount2("./1042", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] mkdir("./993", 0777 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5361] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 5361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 307] <... mkdir resumed>) = 0 [pid 5358] <... exit_group resumed>) = ? [pid 310] openat(AT_FDCWD, "./1042", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... openat resumed>) = 3 [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] fstat(3 [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5361] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = -1 EEXIST (File exists) executing program [pid 5361] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 5359] <... symlinkat resumed>) = 0 [pid 5361] <... symlinkat resumed>) = -1 EEXIST (File exists) [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5362 [pid 5359] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] umount2("./1042/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5361] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5359] <... unlinkat resumed>) = 0 [pid 5358] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./1042/binderfs" [pid 5359] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5358, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] unlink("./1042/binderfs" [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5361] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5361] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] <... unlink resumed>) = 0 [pid 5361] <... unlinkat resumed>) = -1 ENOENT (No such file or directory) [pid 5359] <... unlinkat resumed>) = 0 [pid 310] umount2("./1042/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5359] exit_group(0 [pid 5361] exit_group(0 [pid 310] <... umount2 resumed>) = 0 [pid 310] umount2("./1042/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5361] <... exit_group resumed>) = ? [pid 5359] <... exit_group resumed>) = ? [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] newfstatat(AT_FDCWD, "./1042/config"ci2-android-6-1/strace-static-x86_64: Process 5362 attached , {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5362] set_robust_list(0x55556c898760, 24 [pid 310] umount2("./1042/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5362] <... set_robust_list resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] openat(AT_FDCWD, "./1042/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5362] rt_sigprocmask(SIG_SETMASK, [] [pid 310] getdents64(4 [pid 5362] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 310] close(4 [pid 5362] chdir("./993" [pid 310] <... close resumed>) = 0 [pid 5362] <... chdir resumed>) = 0 [pid 310] rmdir("./1042/config" [pid 5362] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5362] setpgid(0, 0) = 0 [pid 5362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 310] <... rmdir resumed>) = 0 [pid 5362] <... openat resumed>) = 3 [pid 310] getdents64(3 [pid 5359] +++ exited with 0 +++ [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] close(3 [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5359, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5362] write(3, "1000", 4 [pid 310] <... close resumed>) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5362] <... write resumed>) = 4 [pid 310] rmdir("./1042" [pid 5362] close(3) = 0 [pid 5362] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 310] <... rmdir resumed>) = 0 [pid 5362] write(1, "executing program\n", 18 [pid 310] mkdir("./1043", 0777 [pid 5362] <... write resumed>) = 18 [pid 5362] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 5362] mount(NULL, "./config", "configfs", 0, NULL [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5362] <... mount resumed>) = 0 [pid 5361] +++ exited with 0 +++ [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5362] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5362] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5363 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5362] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 5362] <... symlinkat resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5362] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 308] <... restart_syscall resumed>) = 0 [pid 5362] <... unlinkat resumed>) = 0 [pid 5362] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5362] exit_group(0 [pid 308] umount2("./1026", MNT_FORCE|UMOUNT_NOFOLLOWci2-android-6-1/strace-static-x86_64: Process 5363 attached [pid 5363] set_robust_list(0x55556c898760, 24 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5362] <... exit_group resumed>) = ? [pid 308] openat(AT_FDCWD, "./1026", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5363] <... set_robust_list resumed>) = 0 [pid 308] <... openat resumed>) = 3 [pid 306] <... restart_syscall resumed>) = 0 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5363] rt_sigprocmask(SIG_SETMASK, [] [pid 308] getdents64(3 [pid 306] umount2("./966", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5363] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] umount2("./1026/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] openat(AT_FDCWD, "./966", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... openat resumed>) = 3 [pid 308] newfstatat(AT_FDCWD, "./1026/binderfs" [pid 306] fstat(3 [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] unlink("./1026/binderfs" [pid 306] getdents64(3 [pid 5363] chdir("./1043" [pid 308] <... unlink resumed>) = 0 [pid 5363] <... chdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./1026/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./966/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... umount2 resumed>) = 0 [pid 306] newfstatat(AT_FDCWD, "./966/binderfs" [pid 308] umount2("./1026/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./966/binderfs" [pid 308] newfstatat(AT_FDCWD, "./1026/config" [pid 5363] setpgid(0, 0) = 0 [pid 306] <... unlink resumed>) = 0 [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] umount2("./1026/config", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = 0 [pid 308] openat(AT_FDCWD, "./1026/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 306] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... openat resumed>) = 4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] fstat(4 [pid 306] newfstatat(AT_FDCWD, "./966/config" [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] getdents64(4 [pid 306] umount2("./966/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] getdents64(4 [pid 306] openat(AT_FDCWD, "./966/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 308] close(4 [pid 306] <... openat resumed>) = 4 [pid 308] <... close resumed>) = 0 [pid 306] fstat(4 [pid 308] rmdir("./1026/config" [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5363] <... openat resumed>) = 3 [pid 5363] write(3, "1000", 4) = 4 [pid 5363] close(3 [pid 308] <... rmdir resumed>) = 0 [pid 306] getdents64(4 [pid 308] getdents64(3 [pid 5363] <... close resumed>) = 0 executing program [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] getdents64(4 [pid 308] close(3 [pid 5363] symlink("/dev/binderfs", "./binderfs" [pid 309] <... restart_syscall resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] <... close resumed>) = 0 [pid 306] close(4) = 0 [pid 309] umount2("./1019", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./1026" [pid 306] rmdir("./966/config" [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5363] <... symlink resumed>) = 0 [pid 5363] write(1, "executing program\n", 18) = 18 [pid 308] <... rmdir resumed>) = 0 [pid 309] openat(AT_FDCWD, "./1019", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5363] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] <... rmdir resumed>) = 0 [pid 309] <... openat resumed>) = 3 [pid 308] mkdir("./1027", 0777 [pid 306] getdents64(3 [pid 309] fstat(3 [pid 5363] <... mkdirat resumed>) = 0 [pid 308] <... mkdir resumed>) = 0 [pid 5362] +++ exited with 0 +++ [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[] [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 309] getdents64(3 [pid 308] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 306] close(3 [pid 5363] mount(NULL, "./config", "configfs", 0, NULL [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5362, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] <... close resumed>) = 0 [pid 309] umount2("./1019/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5363] <... mount resumed>) = 0 [pid 5363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5363] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5363] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5363] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5363] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5363] exit_group(0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5364 [pid 307] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 306] rmdir("./966" [pid 309] newfstatat(AT_FDCWD, "./1019/binderfs" [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 307] <... restart_syscall resumed>) = 0 [pid 5363] <... exit_group resumed>) = ? [pid 5363] +++ exited with 0 +++ [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5364 attached [pid 309] unlink("./1019/binderfs" [pid 307] umount2("./993", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] mkdir("./967", 0777 [pid 5364] set_robust_list(0x55556c898760, 24) = 0 [pid 309] <... unlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 309] umount2("./1019/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] openat(AT_FDCWD, "./993", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5364] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5364] chdir("./1027" [pid 306] <... mkdir resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 5364] <... chdir resumed>) = 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] fstat(3 [pid 306] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 309] <... umount2 resumed>) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 306] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 309] umount2("./1019/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] getdents64(3 [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5364] <... prctl resumed>) = 0 [pid 5364] setpgid(0, 0) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 309] newfstatat(AT_FDCWD, "./1019/config" [pid 5364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5364] write(3, "1000", 4) = 4 [pid 5364] close(3 [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] umount2("./993/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] umount2("./1019/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5365 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 309] openat(AT_FDCWD, "./1019/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] newfstatat(AT_FDCWD, "./993/binderfs" [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] <... openat resumed>) = 4 [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] fstat(4 [pid 307] unlink("./993/binderfs" [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5364] <... close resumed>) = 0 [pid 5364] symlink("/dev/binderfs", "./binderfs" [pid 307] <... unlink resumed>) = 0 [pid 309] getdents64(4 [pid 307] umount2("./993/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 309] getdents64(4 [pid 307] <... umount2 resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 307] umount2("./993/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] close(4 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] <... close resumed>) = 0 [pid 307] newfstatat(AT_FDCWD, "./993/config" [pid 309] rmdir("./1019/config" [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5364] <... symlink resumed>) = 0 [pid 5364] write(1, "executing program\n", 18) = 18 [pid 309] <... rmdir resumed>) = 0 [pid 307] umount2("./993/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] getdents64(3 [pid 5364] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 309] close(3 [pid 5364] <... mkdirat resumed>) = 0 [pid 310] <... restart_syscall resumed>) = 0 [pid 309] <... close resumed>) = 0 [pid 307] openat(AT_FDCWD, "./993/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 309] rmdir("./1019" [pid 5364] mount(NULL, "./config", "configfs", 0, NULL) = 0 [pid 307] <... openat resumed>) = 4 [pid 5364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777) = -1 EEXIST (File exists) [pid 5364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 310] umount2("./1043", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... rmdir resumed>) = 0 [pid 307] fstat(4 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] mkdir("./1020", 0777 [pid 310] openat(AT_FDCWD, "./1043", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5364] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 309] <... mkdir resumed>) = 0 [pid 307] getdents64(4 [pid 310] <... openat resumed>) = 3 [pid 5364] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] fstat(3 [pid 309] rt_sigprocmask(SIG_BLOCK, ~[] [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 310] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 309] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 307] getdents64(4 [pid 310] getdents64(3 [pid 309] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5364] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] close(4 [pid 5364] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0) = 0 [pid 5364] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5364] exit_group(0 [pid 307] <... close resumed>) = 0 [pid 310] umount2("./1043/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 309] <... clone resumed>, child_tidptr=0x55556c898750) = 5366 [pid 307] rmdir("./993/config" [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] rt_sigprocmask(SIG_SETMASK, [] [pid 5364] <... exit_group resumed>) = ? ci2-android-6-1/strace-static-x86_64: Process 5366 attached [pid 5364] +++ exited with 0 +++ [pid 310] newfstatat(AT_FDCWD, "./1043/binderfs" [pid 309] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5365 attached [pid 310] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 310] unlink("./1043/binderfs" [pid 308] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5364, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] getdents64(3 [pid 5365] set_robust_list(0x55556c898760, 24) = 0 [pid 310] <... unlink resumed>) = 0 [pid 308] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 310] umount2("./1043/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] close(3) = 0 [pid 310] <... umount2 resumed>) = 0 [pid 307] rmdir("./993" [pid 310] umount2("./1043/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5365] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5365] chdir("./967" [pid 307] <... rmdir resumed>) = 0 [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] mkdir("./994", 0777 [pid 310] newfstatat(AT_FDCWD, "./1043/config" [pid 5365] <... chdir resumed>) = 0 [pid 5365] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5365] setpgid(0, 0) = 0 [pid 5365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 310] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 307] <... mkdir resumed>) = 0 [pid 310] umount2("./1043/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 310] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] openat(AT_FDCWD, "./1043/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5365] write(3, "1000", 4 [pid 310] <... openat resumed>) = 4 [pid 5365] <... write resumed>) = 4 [pid 5365] close(3) = 0 [pid 5365] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5365] write(1, "executing program\n", 18) = 18 [pid 5365] mkdirat(AT_FDCWD, "./config", 0777 executing program [pid 310] fstat(4, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5367 [pid 5365] <... mkdirat resumed>) = 0 [pid 310] getdents64(4 [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5365] mount(NULL, "./config", "configfs", 0, NULL [pid 310] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 310] getdents64(4, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5365] <... mount resumed>) = 0 [pid 310] close(4 [pid 5365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 310] <... close resumed>) = 0 [pid 5365] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 310] rmdir("./1043/config" [pid 5365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777) = -1 EEXIST (File exists) [pid 5365] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 310] <... rmdir resumed>) = 0 [pid 5365] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 310] getdents64(3 [pid 5365] <... symlinkat resumed>) = 0 [pid 310] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5365] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 310] close(3 [pid 5365] <... unlinkat resumed>) = 0 [pid 310] <... close resumed>) = 0 [pid 5365] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 310] rmdir("./1043" [pid 5365] <... unlinkat resumed>) = 0 [pid 5365] exit_group(0) = ? [pid 5366] set_robust_list(0x55556c898760, 24 [pid 5365] +++ exited with 0 +++ [pid 310] <... rmdir resumed>) = 0 [pid 310] mkdir("./1044", 0777 [pid 306] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- ci2-android-6-1/strace-static-x86_64: Process 5367 attached [pid 5367] set_robust_list(0x55556c898760, 24) = 0 [pid 5367] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 310] <... mkdir resumed>) = 0 [pid 306] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 310] rt_sigprocmask(SIG_BLOCK, ~[] [pid 308] <... restart_syscall resumed>) = 0 [pid 310] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 310] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5367] chdir("./994") = 0 [pid 5367] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5367] setpgid(0, 0) = 0 [pid 5367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] umount2("./1027", MNT_FORCE|UMOUNT_NOFOLLOW [pid 310] <... clone resumed>, child_tidptr=0x55556c898750) = 5368 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5367] write(3, "1000", 4 [pid 310] rt_sigprocmask(SIG_SETMASK, [] [pid 308] openat(AT_FDCWD, "./1027", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 310] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5367] <... write resumed>) = 4 [pid 308] <... openat resumed>) = 3 [pid 5367] close(3 [pid 308] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5367] <... close resumed>) = 0 [pid 5367] symlink("/dev/binderfs", "./binderfs" [pid 306] <... restart_syscall resumed>) = 0 [pid 308] getdents64(3, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] umount2("./1027/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] umount2("./967", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] newfstatat(AT_FDCWD, "./1027/binderfs" [pid 306] openat(AT_FDCWD, "./967", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] <... openat resumed>) = 3 [pid 308] unlink("./1027/binderfs" [pid 5367] <... symlink resumed>) = 0 [pid 306] fstat(3 [pid 308] <... unlink resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] umount2("./1027/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5367] write(1, "executing program\n", 18 [pid 306] getdents64(3 [pid 308] <... umount2 resumed>) = 0 [pid 5367] <... write resumed>) = 18 [pid 308] umount2("./1027/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] umount2("./967/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 308] newfstatat(AT_FDCWD, "./1027/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 306] newfstatat(AT_FDCWD, "./967/binderfs" [pid 308] umount2("./1027/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 306] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] unlink("./967/binderfs" [pid 308] openat(AT_FDCWD, "./1027/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5367] mkdirat(AT_FDCWD, "./config", 0777) = 0 [pid 5366] <... set_robust_list resumed>) = 0 [pid 308] <... openat resumed>) = 4 [pid 306] <... unlink resumed>) = 0 [pid 308] fstat(4 [pid 306] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5367] mount(NULL, "./config", "configfs", 0, NULL [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = 0 [pid 5367] <... mount resumed>) = 0 [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 306] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] getdents64(4 [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 308] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 306] newfstatat(AT_FDCWD, "./967/config" [pid 308] close(4 [pid 5366] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 308] <... close resumed>) = 0 [pid 306] umount2("./967/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 308] rmdir("./1027/config" [pid 306] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5366] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5367] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5366] chdir("./1020" [pid 308] <... rmdir resumed>) = 0 [pid 306] openat(AT_FDCWD, "./967/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 308] getdents64(3 [pid 5367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 308] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 306] <... openat resumed>) = 4 [pid 5367] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 308] close(3 [pid 306] fstat(4 [pid 5366] <... chdir resumed>) = 0 [pid 308] <... close resumed>) = 0 [pid 306] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 308] rmdir("./1027" [pid 306] getdents64(4 [pid 5367] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 308] <... rmdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 308] mkdir("./1028", 0777 [pid 306] getdents64(4 [pid 5366] <... prctl resumed>) = 0 [pid 5366] setpgid(0, 0) = 0 [pid 5366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 308] <... mkdir resumed>) = 0 [pid 306] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 308] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 306] close(4 [pid 308] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 306] <... close resumed>) = 0 [pid 5366] write(3, "1000", 4) = 4 [pid 5366] close(3) = 0 [pid 5366] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5366] write(1, "executing program\n", 18) = 18 executing program [pid 5366] mkdirat(AT_FDCWD, "./config", 0777 [pid 306] rmdir("./967/config" [pid 308] <... clone resumed>, child_tidptr=0x55556c898750) = 5369 [pid 5366] <... mkdirat resumed>) = 0 [pid 308] rt_sigprocmask(SIG_SETMASK, [] [pid 306] <... rmdir resumed>) = 0 [pid 5367] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 308] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 306] getdents64(3, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5367] <... symlinkat resumed>) = 0 [pid 306] close(3 [pid 5367] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 306] <... close resumed>) = 0 [pid 5367] <... unlinkat resumed>) = 0 [pid 306] rmdir("./967" [pid 5367] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR) = 0 [pid 5366] mount(NULL, "./config", "configfs", 0, NULL [pid 306] <... rmdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5369 attached [pid 306] mkdir("./968", 0777 [pid 5367] exit_group(0 [pid 5366] <... mount resumed>) = 0 [pid 5367] <... exit_group resumed>) = ? [pid 5366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 5369] set_robust_list(0x55556c898760, 24 [pid 5367] +++ exited with 0 +++ [pid 5366] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] <... mkdir resumed>) = 0 [pid 5366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 306] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5366] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 306] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 307] umount2("./994", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5366] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777) = 0 [pid 5366] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 5366] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 306] <... clone resumed>, child_tidptr=0x55556c898750) = 5370 [pid 307] openat(AT_FDCWD, "./994", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5366] <... unlinkat resumed>) = 0 [pid 307] <... openat resumed>) = 3 [pid 306] rt_sigprocmask(SIG_SETMASK, [] [pid 307] fstat(3 [pid 306] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ci2-android-6-1/strace-static-x86_64: Process 5368 attached [pid 5366] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] getdents64(3 [pid 5369] <... set_robust_list resumed>) = 0 [pid 5368] set_robust_list(0x55556c898760, 24 [pid 5366] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 5368] <... set_robust_list resumed>) = 0 [pid 5366] exit_group(0 [pid 307] umount2("./994/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5368] rt_sigprocmask(SIG_SETMASK, [] [pid 5366] <... exit_group resumed>) = ? [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5369] rt_sigprocmask(SIG_SETMASK, [] [pid 5368] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5366] +++ exited with 0 +++ [pid 307] newfstatat(AT_FDCWD, "./994/binderfs" [pid 5368] chdir("./1044" [pid 309] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5366, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 307] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 309] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 307] unlink("./994/binderfs" [pid 5368] <... chdir resumed>) = 0 [pid 5368] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 307] <... unlink resumed>) = 0 [pid 5368] setpgid(0, 0 [pid 307] umount2("./994/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5368] <... setpgid resumed>) = 0 [pid 5368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 307] <... umount2 resumed>) = 0 [pid 307] umount2("./994/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5368] <... openat resumed>) = 3 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5368] write(3, "1000", 4) = 4 [pid 307] newfstatat(AT_FDCWD, "./994/config" [pid 5368] close(3 [pid 307] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5368] <... close resumed>) = 0 [pid 5368] symlink("/dev/binderfs", "./binderfs" [pid 307] umount2("./994/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5369] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5368] <... symlink resumed>) = 0 [pid 307] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5368] write(1, "executing program\n", 18) = 18 [pid 307] openat(AT_FDCWD, "./994/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5368] mkdirat(AT_FDCWD, "./config", 0777 [pid 307] <... openat resumed>) = 4 executing program [pid 5369] chdir("./1028" [pid 5368] <... mkdirat resumed>) = 0 [pid 307] fstat(4 [pid 5368] mount(NULL, "./config", "configfs", 0, NULL [pid 307] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5368] <... mount resumed>) = 0 [pid 307] getdents64(4 [pid 5368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 [pid 5368] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] getdents64(4 [pid 5368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 307] <... getdents64 resumed>, 0x55556c8a1850 /* 0 entries */, 32768) = 0 [pid 5368] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 307] close(4 [pid 5368] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 307] <... close resumed>) = 0 [pid 5368] <... mkdirat resumed>) = 0 [pid 307] rmdir("./994/config" [pid 5369] <... chdir resumed>) = 0 ci2-android-6-1/strace-static-x86_64: Process 5370 attached [pid 5368] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0" [pid 5370] set_robust_list(0x55556c898760, 24 [pid 5369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5368] <... symlinkat resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 5370] <... set_robust_list resumed>) = 0 [pid 5369] <... prctl resumed>) = 0 [pid 5368] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 307] getdents64(3 [pid 5370] rt_sigprocmask(SIG_SETMASK, [] [pid 5369] setpgid(0, 0 [pid 5368] <... unlinkat resumed>) = 0 [pid 307] <... getdents64 resumed>, 0x55556c899810 /* 0 entries */, 32768) = 0 [pid 5370] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 5369] <... setpgid resumed>) = 0 [pid 5368] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 307] close(3 [pid 5370] chdir("./968" [pid 5369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5368] <... unlinkat resumed>) = 0 [pid 307] <... close resumed>) = 0 [pid 5370] <... chdir resumed>) = 0 [pid 5368] exit_group(0 [pid 307] rmdir("./994" [pid 5369] <... openat resumed>) = 3 [pid 5370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5368] <... exit_group resumed>) = ? [pid 5370] <... prctl resumed>) = 0 [pid 5369] write(3, "1000", 4 [pid 5368] +++ exited with 0 +++ [pid 309] <... restart_syscall resumed>) = 0 [pid 307] <... rmdir resumed>) = 0 [pid 307] mkdir("./995", 0777 [pid 310] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5368, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5370] setpgid(0, 0 [pid 310] restart_syscall(<... resuming interrupted rt_sigprocmask ...> [pid 5370] <... setpgid resumed>) = 0 [pid 5370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 307] <... mkdir resumed>) = 0 [pid 5369] <... write resumed>) = 4 [pid 309] umount2("./1020", MNT_FORCE|UMOUNT_NOFOLLOW [pid 307] rt_sigprocmask(SIG_BLOCK, ~[] [pid 5370] write(3, "1000", 4 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 307] <... rt_sigprocmask resumed>, [], 8) = 0 [pid 5369] close(3 [pid 309] openat(AT_FDCWD, "./1020", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 307] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5370] <... write resumed>) = 4 [pid 309] <... openat resumed>) = 3 [pid 5370] close(3) = 0 [pid 5370] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5370] write(1, "executing program\n", 18) = 18 [pid 5370] mkdirat(AT_FDCWD, "./config", 0777 [pid 5369] <... close resumed>) = 0 [pid 309] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5369] symlink("/dev/binderfs", "./binderfs" [pid 307] <... clone resumed>, child_tidptr=0x55556c898750) = 5371 [pid 5370] <... mkdirat resumed>) = 0 [pid 309] getdents64(3 [pid 5370] mount(NULL, "./config", "configfs", 0, NULL [pid 307] rt_sigprocmask(SIG_SETMASK, [] [pid 5370] <... mount resumed>) = 0 [pid 309] <... getdents64 resumed>, 0x55556c899810 /* 4 entries */, 32768) = 112 [pid 307] <... rt_sigprocmask resumed>, NULL, 8) = 0 [pid 309] umount2("./1020/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5369] <... symlink resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./1020/binderfs" [pid 5370] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5369] write(1, "executing program\n", 18 [pid 309] <... newfstatat resumed>, {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] unlink("./1020/binderfs" [pid 5369] <... write resumed>) = 18 [pid 5370] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 5370] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", 0777 [pid 309] <... unlink resumed>) = 0 [pid 5370] <... mkdirat resumed>) = 0 [pid 5369] mkdirat(AT_FDCWD, "./config", 0777 [pid 309] umount2("./1020/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5370] symlinkat("./config/usb_gadget/g1/functions/uac2.usb0", AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0") = 0 [pid 309] <... umount2 resumed>) = 0 [pid 5370] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1/uac2.usb0", 0 [pid 309] umount2("./1020/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5370] <... unlinkat resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5369] <... mkdirat resumed>) = 0 [pid 309] newfstatat(AT_FDCWD, "./1020/config" [pid 5370] unlinkat(AT_FDCWD, "./config/usb_gadget/g1/functions/uac2.usb0", AT_REMOVEDIR [pid 309] <... newfstatat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5369] mount(NULL, "./config", "configfs", 0, NULL [pid 309] umount2("./1020/config", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5370] <... unlinkat resumed>) = 0 [pid 5369] <... mount resumed>) = 0 [pid 309] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 309] openat(AT_FDCWD, "./1020/config", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1", 0777 [pid 309] <... openat resumed>) = 4 [pid 309] fstat(4 [pid 5369] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... fstat resumed>, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 5370] exit_group(0 [pid 5369] mkdirat(AT_FDCWD, "./config/usb_gadget/g1/configs/c.1", 0777 [pid 309] getdents64(4 [pid 5370] <... exit_group resumed>) = ? [pid 5370] +++ exited with 0 +++ [pid 5369] <... mkdirat resumed>) = -1 EEXIST (File exists) [pid 309] <... getdents64 resumed>, 0x55556c8a1850 /* 2 entries */, 32768) = 48 executing program executing program